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International Journals (SCI)

  Sum of the Times Cited: 8739     Average Citations per Article: 53.73     h-index: 44

2017

171. Hyunah Kwon, Jun-Sik, Yuna Lee, Dong Yeong Kim, Chang-Ki Baek* and Jong Kyu Kim*, "An array of metal oxides nanoscale hetero p-n junctions toward designable and highly-selective gas sensors", accepted for publication in Sensors and actuators B: Chemical

170. Jun Hyuk Park, Jaehee Cho*, E. Fred Schubert and Jong Kyu Kim*, "The Effect of Imbalanced Carrier Transport on the Efficiency Droop in GaInN-Based Blue and Green Light-Emitting Diodes", Energies , 10(9), 1277 (2017) [Link]

169. Gabisa Bekele Fayisa, Jong Won Lee, Jung sub Kim, Yong-II Kim, Youngsoo Park, and Jong Kyu Kim, "Enhanced light extraction efficiency of micro-ring array AIGaN deep ultraviolet light-emitting diodes" Japanese Journal of Applied Physics 56, 092101 (2017) [Link]

168. Sunyong Hwang, Nam Han, Hokyeong Jeong, Jun-Hyuk Park, Seung-Hyuk Lim, Jong-Hoi Cho, Yong-Hoon Cho, Hyeon Jun Jeong, Mun Seok Jeong, and Jong Kyu Kim, "Optical and facet dependent carrier recombination properties of hendeca-facet InGaN/GaN micro light emitters" Crystal Growth & Design 17(7), 3649-3655 (2017) [Link]

167. Donghyun Lee§, Jong Won Lee§, Jeonghwan Jang, In-Su Shin, Lu Jin, Jun Hyuk Park, Jungsub Kim, Jinsub Lee, Hye-Seok Noh, Yong-Il Kim, Youngsoo Park, Gun-Do Lee, Yongjo Park, Jong Kyu Kim, and Euijoon Yoon, "Improved performance of AlGaN-based deep ultraviolet light-emitting diodes with nano-patterned AlN/sapphire substrates" Applied Physics Letters 110, 191103 (2017) [Link]

166. Dong Yeong Kim, Nam Han, Hokyeong Jeong, Jaewon Kim, Sunyong Hwang, and Jong Kyu Kim "Role of hydrogen carrier gas on the growth of few layer hexagonal boron nitrides by metal-organic chemical vapor deposition" AIP Advances 7, 045116 (2017) [Link]

165. Dong Yeong Kim, Nam Han, Hokyeong Jeong, Jaewon Kim, Sunyong Hwang, Kyung Song, Si-Young Choi, and Jong Kyu Kim "Pressure dependent growth of wafer-scale few-layer h-BN by metal-organic chemical vapor deposition" Crystal Growth & Design 17, 2569-2575 (2017) [Link]

164. Jaehee Cho, Jun Hyuk Park, E. F. Schubert and Jong Kyu Kim "White light-emitting diodes: History, progress, and future" Laser & Photonics Reviews 11(2), 1600147 (2017) [Link]

163. Gunchul Shin,Adrian M. Gomez, Ream Al-Hasani, Yu Ra Jeong, Jeonghyun Kim, Zhaoqian Xie, Anthony Banks, Seung Min Lee, Sang Youn Han, Chul Jong Yoo, Jong-Lam Lee, Seung Hee Lee, Jonas Kurniawan, Jacob Tureb, Zhongzhu Guo, Jangyeol Yoon, Sung-Il Park, Sang Yun Bang, Yoonho Nam, Marie C. Walicki, Vijay K. Samineni, Aaron D. Mickle, Kunhyuk Lee, Seung Yun Heo, Jordan G. McCall, Taisong Pan, Liang Wang, Xue Feng, Tae-il Kim, Jong Kyu Kim, Yuhang Li, Yonggang Huang, Robert W. Gereau IV, Jeong Sook Ha, Michael R. Bruchas, and John A. Rogers "Flexible Near-Field Wireless Optoelectronics as Subdermal Implants for Broad Applications in Optogenetics" Neuron 93, 509-521 (2017) [Link]

162. Jae-Seong Park, Jong Kyu Kim, Jaehee Cho and Tae-Yeon Seong "Review—Group III-Nitride-Based Ultraviolet Light-Emitting Diodes: Ways of Increasing External Quantum Efficiency" ECS Journal of Solid State Science and Technology 6(4), Q42-Q52 (2017) [Link]

161. Hyunah Kwon, Yuna Lee, Sunyoung Hwang and Jong Kyu Kim "Highly-sensitive H2 sensor operating at room temperature using Pt/TiO2 nanoscale Schottky contacts" Sensors and Actuators B: Chemical 241, 985-992 (2017) [Link]

2016

160. Jong Won Lee, Jun Hyuk Park, Dong Yeong Kim, E. Fred Schubert, Jungsub Kim, Jinsub Lee, Yong-ll Kim, Youngsoo Park and Jong Kyu Kim "Arrays of Truncated Cone AlGaN Deep-Ultraviolet Light-Emitting Diodes Facilitating Efficient Outcoupling of in-Plane Emission" ACS Photonics 3 (11), 2030-2034 (2016) [Link]

159. Junseok Jeong, Ji Eun Choi, Yong-Jin Kim, Sunyong Hwang, Sung Kyu Kim, Jong Kyu Kim, Hu Young Jeong and Young Joon Hong "Reverse-bias-driven dichromatic electroluminescence of n-ZnO wire arrays/p-GaN film heterojunction light-emitting diodes" Applied Physics Letters 109, 101103 (2016) [Link]

158. Hyojin Yoon§, Minseok Choi§, Tae-Won Lim, Hyunah Kwon, Kyuwook Ihm, Jong Kyu Kim, Si-Young Choi and Junwoo Son*, "Reversible phase modulation and hydrogen storage in multivalent VO2 epitaxial thin films" ([§] These authors contributed equally to this work.) Nature Materials, 15 1113-1119 (2016) [Link]

157. Dinsefa M. Andoshe, Seokhoon Choi, Young-Seok Shim, Seung Hee Lee, Yoonkoo Kim, Cheon Woo Moon, Do Hong Kim, Seon Yong Lee, Taemin Kim, Hoon Kee Park, Mi Gyoung Lee, JongMyeong Jeon, Ki Tae Nam, Miyoung Kim, Jong Kyu Kim, Jihun Oh*, Ho Won Jang*, "Wafer-scale antireflective protection layer of solution-processed TiO2 nanorods for high performance silicon-based water splitting photocathodes" Journal of Materials chemistry A 4, 9477-9485 (2016) [Link]

156. Xinjian Shi§, Hokyeong Jeong§, Seung Jae Oh, Ming Ma, Kan Zhang, Jeong Kwon, In Taek Choi, Il Yong Choi, Hwan Kyu Kim, Jong Kyu Kim*, and Jong Hyeok Park*, "Unassisted photoelectrochemical water splitting exceeding 7% solar to hydrogen conversion efficiency using photon recycling", ([§] These authors contributed equally to this work.) Nature Communications 7, 11943 (2016) [Link]

155. Min Han, Nam Han, Eun Jin Jung, Beo Deul Ryu, Kang Bok Ko, TranViet Cuong, Hyunsoo Kim, Jong Kyu Kim and Chang-Hee Hong "Effect of curved graphene oxide in GaN light-emitting-diode for improving heat dissipation with patterned sapphire substrate" Semiconductor Science and Technology 31, 085010 (2016) [Link]

154. Jong Won Lee, Dong Yeong Kim, Jun Hyuk Park, E. Fred Schubert, Jungsub Kim, Jinsub Lee, Yong-Il Kim, Youngsoo Park and Jong Kyu Kim "An elegant route to overcome fundamentally-limited light extraction in AlGaN deep-ultraviolet light-emitting diodes: Preferential outcoupling of strong in-plane emission" Scientific Reports 6, 22537 (2016) [Link]

153. Kyurin Kim, Jun Hyuk Park, Hyunsoo Kim, Jong Kyu Kim, E.Fred Schubert and Jaehee Cho "Energy bandgap variation in oblique angle-deposited indium tin oxide" Applied Physics Letters 108, 041910 (2016) [Link]

152. Dan Zhao, Illhwan Lee, Jae Yong Park, Sang-Hwan Cho, Chung Sock Choi, Seung-Yong Song, Jong Kyu Kim and Jong-Lam Lee "Haze-Free Highly Transparent Glass Substrates with Nanostructured Surface by Using Self-Assembled Ag Etch Masks" ECS Journal of Solid State Science and Technology 5 (2) R6-R11 (2016) [Link]

151. Jun Hyuk Park, Jong Won Lee, Dong-Yeong Kim, Jaehee Cho, E. Schubert, Jungsub Kim, Jinsub Lee, Y.-I. Kim, YoungSoo Park, and Jong Kyu Kim "Variation of the external quantum efficiency with temperature and current density in red, blue, and deep ultraviolet light-emitting diodes" Journal of Applied Physics 119, 023101 (2016) [Link]

150. Seung Hee Lee, Dhruv Pratap Singh, Ji Ho Sung, Moon-Ho Jo, Ki Chang Kwon, SooYoungKim, Ho Won Jang and Jong Kyu Kim "Highly photoresponsive and wavelength-selective circularly-polarized-light detector based on metal-oxides hetero-chiral thin film" Scientific Reports 6, 19580 (2016) [Link]

 

2015

149. Ji-hyun Kim, Byeong Uk Ye, Joon mo Park, Chul Jong Yoo, Buem Joon Kim, Hu Young Jeong, Jin-Hoe Hur, Jong Kyu Kim, Jong-Lam Lee, Jeong Min Baik "Visible Color Tunable Emission in Three-dimensional Light Emitting Diodes by MgO Passivation of Pyramid Tip" ACS Applied Materials & Interfaces 7 (50) 27743–27748 (2015) [Link]

148. Kyurin Kim, David S. Meyaard, Guan-Bo Lin, E. Fred Schubert, Jong Kyu Kim, and Jaehee Cho "Temperature dependence of efficiency in GaInN/GaN light-emitting diodes with a GaInN underlayer" International Journal of Applied Ceramic Technology 1-5 (2015) [Link]

147. Sunyong Hwang, Dong Yeong Kim, Junhyuk Park, Han-Youl Ryu, and Jong Kyu Kim, "Modulation of hole-injection in GaInN-light emitting triodes and its effect on carrier recombination behavior" AIP Advances 5, 107104 (2015) [Link]

146. Hyunah Kwon§ , Seung Hee Lee§ and Jong Kyu Kim "Three-Dimensional Metal-Oxides Nanohelix Arrays fabricated by Oblique-Angle Deposition: Fabrication, Properties, and Applications" Nanoscale Research Letters 10, 369 (2015) [Link]

145. Guan-Bo Lin, Bhishma Pandit, Yongjo Park, Jong Kyu Kim, Y. R. Ryu, E. Fred Schubert, and Jaehee Cho, "The effect of a p-type ZnO insertion layer on the external quantum efficiency of GaInN light-emitting diodes" Applied Physics Express 8, 092102 (2015) [Link]

144. Guan-Bo Lin, Xiaoguang Zhang , Soo Min Lee, George Papasouliotis, Jong Kyu Kim, E. Fred Schubert, Jaehee Cho "The beneficial effects of a p-type GaInN spacer layer on the efficiency of GaInN/GaN light-emitting diodes" Current Applied Physics 15, 1222-1225 (2015) [Link]

143. Guan-Bo Lin E. Fred Schubert, Jaehee Cho, Jun Hyuk Park, and Jong Kyu Kim "Onset of the efficiency droop in GaInN quantum well light-emitting diodes under photoluminescence and electroluminescence excitation" ACS Photonics 2, 1013-1018 (2015) [Link]

142. Dhruv Pratap Singh, Seung Hee Lee, Il Yong Choi, and Jong Kyu Kim, "Spatially graded TiO2-SiO2 Bragg reflector with rainbow-colored photonic band gap" Opt. Express 23, 17568-17575 (2015) [Link]

141. Jun Hyuk Park, Guan-Bo Lin, Dong Yeong Kim, Jong Won Lee, Jaehee Cho, Jungsub Kim, Jinsub Yi, Yong-Il Kim, Youngsoo Park, E. Fred Schubert, and Jong Kyu Kim, "Distinct U-shape efficiency-versus-current curves in AlGaN-based deep-ultraviolet light-emitting diodes" Opt. Express 23, 15398-15404 (2015) [Link]

140. Dong Yeong Kim§, Jun Hyuk Park§, Jong Won Lee, Sunyong Hwang, Seung Jae Oh, Jungsub Kim, Cheolsoo Sone, E. Fred Schubert, and Jong Kyu Kim ([§] These authors contributed equally to this work.), "Overcoming the Fundamental Limitation in Light-Extraction Efficiency of Deep-Ultraviolet Light-Emitting Diodes by Utilizing Transverse-Magnetic-Dominant Emission" Light: Science & Applications by NPG 4, e263 (2015)[Link]

139. Dong Yeong Kim, Guan-bo Lin, Sunyong Hwang, Jun Hyuk Park, David Meyaard, E. Fred Schubert, Han Youl Ryu, and Jong Kyu Kim, "Polarization-engineered high efficiency GaInN light-emitting diodes optimized by genetic algorithm", IEEE Photonics Journal 7, 1300209 (2015) [Link]

138. Jin-Wook Lee§, Seung Hee Lee§, Hyun-Suk Ko, Jeong Kwon, Jong Hyeok Park, Seong Min Kang, Namyoung Ahn, Mansoo Choi, Jong Kyu Kim*, and Nam-Gyu Park* ([§] These authors contributed equally to this work.), "Optoelectronic Property of TiO2 Nanohelices-embedded HC(NH2)2PbI3 Perovskite Solar Cells", Journal of Materials Chemistry A 3, 9179-9186 (2015) [Link]

137. Seung Hee Lee§, Jeong Kwon§, Dong Yeong Kim, Kyung Song, Sang Ho Oh, Jaehee Cho, E. Fred Schubert, Jong Hyeok Park*, Jong Kyu Kim* ([§] These authors contributed equally to this work.), "Enhanced power conversion efficiency of dye-sensitized solar cells with multifunctional photoanodes based on a three-dimensional TiO2 nanohelix array", Solar Energy Materials & Solar Cells 132, 47-55 (2015) [Link]

136. Kyung Song, Christoph T. Koch, Ja Kyung Lee, Dong-Yeong Kim, Jong Kyu Kim, Amin Parvizi, Woo Young Jeong, Chan Gyung Park, Ye Cao, Tiannan Yang, Long-Qing Chen, and Sang Ho Oh, "Correlative High Resolution Mapping of Strain and Charge Density in a Strained Piezoelectric Multilayer", Advanced Materials Interfaces 2, 1400281 (2015) [Link]

 

2014

135. Xinjian Shi§, Il Yong Choi§, Kan Zhang, Jeong Kwon, Dong Yeong Kim, Ja Kyung Lee, Sang Ho Oh, Jong Kyu Kim*, Jong Hyeok Park* ([§] These authors contributed equally to this work.), "Efficient Photoelectrochemical Hydrogen Production from BiVO4-Decorated WO3 Helix Nanostructures", Nature Communications 5, 4775 (2014) [Link]

134. Jaehee Cho, E. Fred Schubert, Joong Kon Son, Dong-yeong Kim, Jong Kyu Kim, "Strong Correlation between capacitance and breakdown voltage of GaInN/GaN light-emitting diodes", Electronic Materials Letters 10, 1155-1157 (2014) [Link]

133. Dong Youn Yoo, Nguyen Tu, Su Jin Lee, Eunji Lee, Seong-Ran Jeon, Sunyong Hwang, Ho SunLim, Jong Kyu Kim, Byeong-Kwon Ju, Heesuk Kim, Jung Ah Lim, "Graphene oxide nanosheet wrapped white-emissive conjugated-polymer nanoparticles", ACS Nano 8, 4248-4256 (2014) [Link]

132. Seung Hee Lee, Ho Jin, Dong Yeong Kim, Kyung Song, Sang Ho Oh, Sungjee Kim, E. F. Schubert, and Jong Kyu Kim, "Enhanced power conversion efficiency of quantum dot sensitized solar cells with near single-crystalline TiO2 nanohelixes used as photoanodes", Optics Express 22, A867-A879 (2014) [Link]

131. Jae-Won Lee, Byeong Uk Ye, Dong-Yeong Kim, Jong Kyu Kim, Jong Heo, Hu Young Jeong, Myung Hwa Kim, Won Jun Choi, and Jeong Min Baik, "ZnO Nanowires-based Antireflective Coatings with Double-Nanotextured Surfaces", ACS Applied Materials and Interfaces 6, 1375-1379 (2014) [Link]

130. Byeong Uk Ye, Buem Joon Kim, Joonmo Park, Hu Young Jeong, Gyeong Min Go, Jong Kyu Kim, Jin-Hoe Hur, Myung Hwa Kim, Jong-Lam Lee, and Jeong Min Baik, "Three-dimensional Branched Nanowire Heterostructures as Efficient Light-Extraction Layer in Light-Emitting Diodes", Advanced Functional Materials 24, 3384-3391 (2014) [Link]

129. Hyunah Kwon, Juyoung Ham, Dong Yeong Kim, Seung Jae Oh, Subin Lee, Sang Ho Oh, E. Fred Schubert, Kyung-Geun Lim, Tae-Woo Lee, Sungjun Kim, Jong-Lam Lee*, and Jong Kyu Kim*, "Three-Dimensional Nanostructured Indium-Tin-Oxide Electrodes for Enhanced Performance of Bulk Heterojunction Organic Solar Cells", Advanced Energy Materials 4, 1301566 (2014) [Front Cover] [Link]

128. Won Ji Park, Seung Jae Oh, Jong Kyu Kim, Jong Heo, Tomas Wagner, and Lucas Strizik, "Down-conversion in Tm3+/Yb3+ doped glasses for multicrystalline silicon photo-voltaic module efficiency enhancement", Journal of Non-Crystalline Solids 383, 181-183 (2014) [Link]

 

2013

127. Guan-Bo Lin, Dong-Yeong Kim, Qifeng Shan, David S. Meyaard, Jaehee Cho, E. Fred Schubert, Hyunwook Shim, Min-Ho Kim, Cheolsoo Sone, and Jong Kyu Kim, "Effect of quantum barrier thickness in the multiple-quantum-well active region of GaInN/GaN light-emitting diodes", IEEE Photonics Journal, 5, 1600207 (2013) [Link]

126. Jun Hyuk Park, Dong Yeong Kim, Sunyong Hwang, David Meyaard, E. Fred Schubert, Yu Dae Han, Joo Won Choi, Jaehee Cho, and Jong Kyu Kim, "Enhanced overall efficiency of GaInN-based light-emitting diodes with reduced efficiency droop by Al-composition-graded AlGaN/GaN superlattice electron blocking layer", Applied Physics Letters, 103, 061104 (2013) [Link]

125. Seung Jae Oh, Gyeongmin Go, Jong-Lam Lee, E. Fred Schubert, Jaehee Cho, and Jong Kyu Kim, "Enhanced Phosphor conversion efficiency of GaN-based white light-emitting diodes having dichroic-filtering contacts", Journal of Materials Chemistry C 1 (36), 5733-5740 (2013) [Link]

124. Seung Cheol Han, Jae-Kwan Kim, Jun Young Kim, Dong Min Lee, Jae-Sik Yoon, Jong Kyu Kim, E. Fred Schubert, and Ji-Myon Lee, "Ohmic contacts to n-face p-GaN using Ni/Au for the fabrication of polarization inverted light-emitting diodes", Journal of Nanoscience and Nanotechnology 13, 5715-5718 (2013) [Link]

123. Woosung Kwon, Sungan Do, Jinuk Lee, Sunyong Hwang, Jong Kyu Kim, and Shi-Woo Rhee, "Freestanding Luminescent Films of Nitrogen-Rich Carbon Nanodots toward Large-Scale Phosphor-Based White-Llight-Emitting devices", Chemistry of Materials 25, 1893-1899 (2013) [Link]

122. Jaehee Cho, E. Fred Schubert, and Jong Kyu Kim, "Efficiency droop in light-emitting diodes: Challenges and Countermeasures", Laser and Photonics Reviews 7, No.3, 408-421, (2013). [Front Cover] [Link]

121. Sunyong Hwang, Hyunah Kwon, Sameer Chhajed, Ji Won Byon, Jeong Min Baik, Jiseong Im, Sang Ho Oh, Ho Won Jang, Seok Jin Yoon, and Jong Kyu Kim, "A near single crystalline TiO2 nanohelix array: enhanced gas sensing performance and its application as a monolithically integrated electronic nose", Analyst 138, 443-450 (2013). [Inside Front Cover] [Link]

120. Seung Jae Oh, Sameer Chhajed, David J. Poxson, Jaehee Cho, E. Fred Schubert, Sung Ju Tark, Donghwan Kim, and Jong Kyu Kim, "Enhanced broadband and omni-directional performance of polycrystalline Si solar cells by using discrete multilayer antireflection coatings" Optics Express 21, A157-A166 (2013). [Link]

119. Xing Yan, David J. Poxson, Jaehee Cho, Roger E. Welser, Ashok K. Sood, Jong Kyu Kim, and E. Fred Schubert, "Enhanced Omnidirectional Photovoltaic Performance of Solar Cells Using Multiple-Discrete-Layer Tailored- and Low-Refractive Index Anti-Reflection Coatings" Advanced Functional Materials 23, 583-590 (2013). [Link]

118. Kyung Song, Ga Young Shin, Jong Kyu Kim, Sang Ho Oh, Christoph T. Koch, "Strain mapping of LED devices by dark-field inline electron holography: Comparison between deterministic and iterative phase retrieval approaches", Ultramicroscopy 127, 119-125 (2013). [Link]

 

2012

117. Hi Gyu Moon, Young-Soek Shim, Do Hong Kim, Hu Young Jeong, Myoungho Jeong, Ju Young Jung, Seung Min Han, Jong-Kyu Kim, Jin-Sang Kim, Hyung-Ho Park, Jong-Heun Lee, Seok-Jin Yoon, Ho Won Jang, "Self-activated ultrahigh chemosensitivity of oxide thin film nanostructures for transparent sensors", Scientific Reports 2, 588 (2012). [Link]

116. Woo Jin Ha, Sameer Chhajed, Seung Jae Oh, Sunyong Hwang, Jong Kyu Kim, Jae-Hoon Lee and Ki-Se Kim, "Analysis of the reverse leakage current in AlGaN/GaN Schottky barrier diodes treated with fluorine plasma" Applied Physics Letters 100, 132104 (2012). [Link]

115. An Mao, Jaehee Cho, E. Fred Schubert, Joong Kon Son, Cheolsoo Sone, Woo Jin Ha, Sunyong Hwang, and Jong Kyu Kim, "Reduction of efficiency droop in GaInN/GaN Light-emitting diodes with thick AlGaN cladding layers" Electron. Mater. Lett. 8, 1~4 (2012). [Link]

114. David S. Meyaard, Qifeng Shan, Jaehee Cho, E. Fred Schubert, Sang-Heon Han, Min-Ho Kim, Cheolsoo Sone, Seung Jae Oh, and Jong Kyu Kim, "Temperature dependent efficiency droop in GaInN light-emitting diodes with different current densities" Applied Physics Letters 100, 081106 (2012). [Link]

113.Woo Jin Ha, Sameer Chhajed, Ashonita Chavan, Jae-Hoon Lee, Ki-Se Kim, and Jong Kyu Kim, "Carrier transport mechanism of AlGaN/GaN Schottky barrier diodes with various Al mole fractions" Physica Status Solidi C 9, 851~854 (2012). [Link]

 

2011

112. Sunyong Hwang, Woo Jin Ha, Jong Kyu Kim, Jiuru Xu, Jaehee Cho, and E. Fred Schubert, "Promotion of hole injection enabled by GaInN/GaN light-emitting triodes and its effect on the efficiency droop", Applied Physics Letters 99, 181115 (2011). [Link]

111. Ahmed N. Noemaun, Frank W. Mont, Guan-Bo Lin, Jaehee Cho, E. Fred Schubert, Gi Bum Kim, Cheolsoo Sone, and Jong Kyu Kim, "Optically functional surface composed of patterned graded-refractive-index coatings to enhance light-extraction of GaInN light-emitting diodes" Journal of Applied Physics 110, 054510 (2011). [Link]

110. Martin F. Schubert and Jong Kyu Kim, "Efficiency droop in GaInN high-power light-emitting diodes" International Journal of High Speed Electronics and Systems Vol. 20, No. 2., 247~265 (2011). [Link]

109. Sameer Chhajed, David J. Poxson, Xing Yan, Jaehee Cho, E. Fred Schubert, Roger E. Welser, Ashok K. Sook, and Jong Kyu Kim, "Nanostructured Multilayer Tailored-Refractive-Index Antireflection Coating for Glass with Broadband and Omnidirectional Characteristics" Applied Physics Express 4, 052503 (2011). [Link]

108. Sameer Chhajed, Wonseok Lee, Jaehee Cho, E. Fred Schubert, and Jong Kyu Kim, "Strong light extraction enhancement in GaInN light-emitting diodes by using self-organized nanoscale patterning of p-type GaN" Applied Physics Letters 98, 071102 (2011). [Link]

107. Sameer Chhajed, Jaehee Cho, E. Fred Schubert, Jong Kyu Kim, Daniel D. Koleske, and Mary H. Crawford, "Temperature-dependent light-output characteristics of GaInN light-emitting diodes with different dislocation densities" Physica Status Solidi A, 1-4 (2011). [Link]

 

2010

106. David J. Poxson, Frank W. Mont, Martin F. Schubert, Jong Kyu Kim, Jaehee Cho, and E. Fred Schubert, "Demonstration of optical interference filters utilizing tunable refractive index layers" Optics Express 18, No. 104, A594~A599 (2010). [Link]

105. Jaehee Cho, Euijoon Yoon, Yongjo Park, Woojin Ha, and Jong Kyu Kim, "Characteristics of blue and ultraviolet light-emitting diodes with current density and "Electronics Materials Letters 6, No. 2, 51~53 (2010). [Link]

104. Jaehee Cho, An Mao, E. Fred Schubert, Joong Kon Son, Cheolsoo Sone, Yongjo Park, and Jong Kyu Kim, "Analysis of reverse tunnelling current in GaInN light-emitting diodes", Electronics Letters 46 (2), in press (2010). [Link]

103. Martin F. Schubert, David J. Poxson, Frank W. Mont, Jong Kyu Kim, and E. Fred Schubert, "Performance of antireflection coatings consisting of multiple discrete layers and comparison with continuously graded antireflection coatings" Applied Physics Express 3, 082502 (2010). [Link]

102. Wonseok Lee, Min-Ho Kim, Di Zhu, Ahmed N. Noemaun, Jong Kyu Kim, and E. Fred Schubert, "Growth and characteristics of GaInN/GaInN multiple quantum well light-emitting diodes" Journal of Applied Physics 107, 063102 (2010). [Link]

 

2009

101. Hun Jae Chung, Rak Jun Choi, Min Ho Kim, Jae Woong Han, Young Min Park, Yu Seung Kim, Ho Sun Paek, Cheolsoo Sone, Yongjo Park, Jong Kyu Kim, and E. Fred Schubert, "Improved performance of GaN-based blue light emitting diodes with InGaN/GaN multilayer barriers" Applied Physics Letters 95, 241109 (2009). [Link]

100. Xing Yan, Frank W. Mont, David J. Poxson, Martin F. Schubert, Jong Kyu Kim, Jaehee Cho, and E. Fred Schubert, "Refractive-index-matched indium-tin-oxide electrodes for liquid crystal displays" Japanese Journal of Applied Physics 48, 120203 (2009). [Link]

99. Martin F. Schubert, Qi Dai, Jiuru Xu, Jong Kyu Kim and E. Fred Schubert, "Electroluminescence induced by photoluminescence excitation in GaInN/GaN light-emitting diodes" Applied Physics Letters 95, 191105 (2009). [Link]

98. Jaehee Cho, Qifeng Shan, Jong Kyu Kim, and E. Fred Schubert, "Color tunable light-emitting diodes with modified pulse-width modulation" Phys. Status Solidi RRL 3, No. 9, 284~286 (2009). [Link]

97. Min-Ho Kim, Wonseok Lee, Di Zhu, Martin F. Schubert, Jong Kyu Kim, E. Fred Schubert, and Yongjo Park, "Partial polarization matching in GaInN-based multiple quantum well blue LEDs using ternary GaInN barriers for a reduced efficiency droop" IEEE Journal of Selected Topics in Quantum Electronics 15, [Link]

96. Jaehee Cho, Di Zhu, E. Fred Schubert, and Jong Kyu Kim, "Effect of chip geometry on breakdown voltage of GaInN light-emitting diodes" Electronics Letters 45, 755 (2009). [Link]

95. Joel L. Plawsky, Jong Kyu Kim, and E. Fred Schubert, "Engineered nanoporous and nanostructured films" Materials Today 12, 36~45 (2009). [Link]

94. Roya Mirhosseni, Martin F. Schubert, Sameer Chhajed, Jaehee Cho, Jong Kyu Kim, and E. Fred Schubert, "Improved color rendering and luminous efficacy in phosphor-converted white light-emitting diodes by use of dual-blue emitting active regions" Optics Express 17, 10806~10813 (2009). [Link]

93. Ya-Ju Lee, Shawn-Yu Lin, Ching_Hua Chiu, Tien-Chang Liu, Hao-Chung Kuo, Shing-Chung Wang, Sameer Chhajed, Jong Kyu Kim, and E. Fred Schubert, "High output power density from GaN-based two-dimensional nanorod light-emitting diode arrays" Applied Physics Letters 94, 141111 (2009). [Link]

92. Q. Dai, M. F. Schubert, M. H. Kim, Jong Kyu Kim, E. F. Schubert, D. D. Koleske, M. H. Crawford, S. R. Lee, A. J. Fischer, G. Thaler, and M. A. Banas, "Internal quantum efficiency and nonradiative recombination coefficient of GaInN/GaN multiple quantum wells with different dislocation densities" Applied Physics Letters 94, 111109 (2009). [Link]

91. David J. Poxson, Martin F. Schubert, Frank W. Mont, E. Fred Schubert, and Jong Kyu Kim, "Broadband omnidirectional antireflection coatings optimized by genetic algorithm", Optics Letters 34, 728 (2009). [Link]

90. Di Zhu, Jiuru Zu, Ahmed N. Noemaun, Jong Kyu Kim, E. Fred Schubert, Mary H. Crawford, and Daniel D. Koleske, "The origin of the high diode-ideality factors in GaInN/GaN multiple quantum well light-emitting diodes" Applied Physics Letters 94, 081113 (2009). [Link]

89. Martin F. Schubert, Jiuru Zu, Qi Dai, Frank W. Mont, Jong Kyu Kim, and E. Fred Schubert, "On resonant optical excitation and carrier escape in GaInN/GaN quantum wells" Applied Physics Letters 94, 081114 (2009). [Link]

88. Jiuru Xu, Martin F. Schubert, Ahmed N. Noemaun, Di Zhu, Jong Kyu Kim, E. Fred Schubert, Min-Ho Kim, Hun Jae Chung, Shkho Yoon, Cheolsoo Sone, and Yongjo Park, "Reduction in efficiency droop, forward voltage, ideality factor, and wavelength shift in polarization-matched GaInN/GaInN multi-quantum-well light-emitting diodes" Applied Physics Letters 94, 011113 (2009). [Link]

 

2008

87. Jong Kyu Kim, Ahmed N. Noemaun, Frank W. Mont, David Meyaard, E. Fred Schubert, David J. Poxson, Hyunsoo Kim, Cheolsoo Sone, Yongjo Park, "Elimination of total internal reflection in GaInN light-emitting diodes by graded-refractive-index micropillars" Applied Physics Letters 93, 221111(2008). [Link]

86. Jong Kyu Kim and E. Fred Schubert, "Transcending the replace paradigm of solid-state lighting" Optics Express 16, 21835 (2008). [Link]

85. Jong Kyu Kim, Sameer Chhajed, Martin F. Schubert, E. Fred Schubert, Arthur J. Fischer, Mary H. Crawford, Jaehee Cho, Hyunsoo Kim, and Cheolsoo Sone, "Light- Extraction Enhancement of GaInN Light-Emitting Diodes by Graded-Refractive-Index Indium Tin Oxide Anti-Reflection Contact", Advanced Materials 20, 801(2008). [Link]

84. Frank W. Mont, Jong Kyu Kim, Martin F. Schubert, E. Fred Schubert, and Richard W. Siegel, "High-refractive-index TiO2-nanoparticle-loaded encapsulants for light-emitting diodes" Journal of Applied Physics 103, 083120 (2008). [Link]

83. Martin F. Schubert, Frank W. Mont, Sameer Chhajed, David J. Poxson, Jong Kyu Kim, and E. Fred Schubert, "Design of multilayer antireflection coatings made from co-sputtered and low-refractive-index materials by genetic algorithm" Optics Express 16, 5290 (2008). [Link]

82. Mei-Ling Kuo, David J. Poxson, Yong Sung Kim, Frank W. Mont, Jong Kyu Kim, E. Fred Schubert, and Shawn-Yu Lin, "Realization of a near-perfect antireflection coating for silicon solar energy utilization" Optics Letters 33, 2527 (2008). [Link]

81. D. J. Poxson, F. W. Mont, M. F. Schubert, Jong Kyu Kim, and E. Fred Schubert, "Quantification of porosity and deposition rate of nanoporous films grown by oblique-angle deposition" Applied Physics Letters 93, 101914 (2008). [Link]

80. M. F. Schubert, Jiuru Xu, Jong Kyu Kim, E. Fred Schubert, Min Ho Kim, Sukho Yoon, Soo Min Lee, Cheolsoo Sone, Tan Sakong, and Yongjo Part, "Polarization-matched GaInN/AlGaInN multi-quantum-well light-emitting diodes with reduced efficiency droop" Applied Physics Letters 93, 041102 (2008). [Link]

79. K. X. Chen, Q. Dai, W. Lee, Jong Kyu Kim, E. F. Schubert, J. Grandusky, M. Mendrick, X. Li, and J. A. Smart, "Effect of dislocations on electrical and optical properties of n-type Al0.34Ga0.66N" Applied Physics Letters 93, 192108 (2008). [Link]

78. Sameer Chhajed, Martin Schubert, Jong Kyu Kim, and E. Fred Schubert, "Nanostructured multilayer graded-index antireflection coating for Si solar cells with broadband and omnidirectional characteristics" Applied Physics Letters 93, 251108 (2008). [Link]

 

2007

77. Y. A. Xi, K. X. Chen, F. W. Mont, Jong Kyu Kim, W. Lee, E. F. Schubert, W. Liu, X. Li, and J. A. Smart, "Kinetic study of Al-mole fraction in AlxGa1-xN grown on c-plane sapphire and AlN bulk substrates by metal-organic vapor-phase epitaxy" Applied Physics Letters 90, 051104 (2007). [Link]

76. Y. A. Xi, K. X. Chen, F. W. Mont, Jong Kyu Kim, E. F. Schubert, W. Liu, X. Li, and J. A. Smart, "Comparative study of n-type AlGaN grown on sapphire by using a superlattice layer and a low-temperature AlN interlayer" Journal of Crystal Growth 299, 59 (2007). [Link]

75. K. S. Ramaiah, I. Bhat, T. P. Chow, Jong Kyu Kim, E. Fred Schubert, D. Johnstone, "Studies of 4H-SiC wafer and its epitaxial layers grown by chemical vapor deposition" Physica B – Condensed Matter 391, 35 (2007). [Link]

74. J.-Q. Xi, Martin F. Schubert, Jong Kyu Kim, E. Fred Schubert, Minfeng Chen, Shawn-Yu Lin, W. Liu, and J. A. Smart, "Optical thin-film materials with low refractive index for broad-band elimination of Fresnel reflection" Nature Photonics 1, 176 (2007). [Link]

73. Y. A. Xi, K. X. Chen, F. W. Mont, Jong Kyu Kim, E. F. Schubert, C. Wetzel, W. Liu, X. Li, and J. A. Smart, "Optimization of High-Quality AlN Epitaxially Grown on (0001) Sapphire by Metal-Organic Vapor-Phase Epitaxy" Journal of Electronic Materials 36, 533 (2007). [Link]

72. E. F. Schubert, Jong Kyu Kim, and J. –Q. Xi, "Low-refractive-index materials: A new class of optical thin-film materials" Phys. Stat. Sol. (b) 244, 3002-3008 (2007). [Link]

71. Martin F. Schubert, J. –Q. Xi, Jong Kyu Kim, E. Fred Schubert, "Distributed Bragg reflector consisting of high- and low-refractive index thin film layers made of the same material" Applied Physics Letters 90, 141115 (2007). [Link]

70. Martin F. Schubert, Sameer Chhajed, Jong Kyu Kim, E. Fred Schubert, Jaehee Cho, "Polarization of light emission by 460 nm GaInN/GaN light-emitting diodes grown on (0001) oriented sapphire substrates" Applied Physics Letters 91, 051117 (2007). [Link]

69. Martin F. Schubert, Ahmed Noemaun, Sameer Chhajed, Jong Kyu Kim, E. Fred Schubert, and Cheolsoo Sone, "Encapsulation shape with non-rotational symmetry designed for extraction of polarized light from unpolarized sources" Optics Express 15, 10452-10457 (2007). [Link]

68. Martin F. Schubert, Sameer Chhajed, Jong Kyu Kim, E. Fred Schubert, and Jaehee Cho, "Linearly polarized emission from GaInN light-emitting diodes with polarization-enhancing reflector" Optics Express 15, 11213-11218 (2007). [Link]

67. K. X. Chen, Y. A. Xi, F. W. Mont, Jong Kyu Kim, E. F. Schubert, W. Liu, X. Li, and J. A. Smart, "Recombination dynamics in ultraviolet light-emitting diodes with Si-doped AlxGa1-xN/AlyGa1-yN multiple quantum well active regions" Journal of Applied Physics 101, 113102 (2007). [Link]

66. K. X. Chen, Q. Dai, W. Lee, Jong Kyu Kim, E. F. Schubert, W. Liu, S. Wu, X. Li, and J. A. Smart, "Parasitic sub-band-gap emission originating from compensating native defects in Si doped AlGaN" Applied Physics Letters 91, 121110 (2007). [Link]

65. Min-Ho Kim, Martin F. Schubert, Qi Dai, Jong Kyu Kim, E. Fred Schubert, Joachim Piprek, and Yongjo Park, "Origin of efficiency droop in GaN-based light-emitting diodes" Applied Physics Letters 91, 183507 (2007). [Link]

64. Martin F. Schubert, Sameer Chhajed, Jong Kyu Kim, E. Fred Schubert, Daniel D. Koleske, Mary H. Crawford, Steve R. Lee, Arthur J. Fischer, Gerald Thaler, and Michael A. Banas, "Effect of dislocation density on efficiency droop in GaInN/GaN light-emitting diodes" Applied Physics Letters 91, 231114(2007). [Link]

 

2006

63. Jong Kyu Kim, Hong Luo, Yangang Xi, Jay M. Shah, Thomas Gessmann, and E. Fred Schubert, "GaInN light-emitting diode with conductive omnidirectional reflector having a low-refractive index indium-tin oxide layer" Applied Physics Letters 88, 013501 (2006). [Link]

62. Jong Kyu Kim, H. Luo, Y. Xi, J. M. Shah, T. Gessmann, and E. F. Schubert, "Light Extraction in GaInN Light-Emitting Diodes using Diffuse Omnidirectional Reflectors" Journal of the Electrochemical Society 153, G105 (2006). [Link]

61. C. W. Litton, D. Johnstone, A. Akarca-Biyikli, K. S. Ramaiah, I. Bhat, T. P. Chow, Jong Kyu Kim, and E. F. Schubert, "Effect of C/Si ratio on deep levels in epitaxial 4H-SiC" Applied Physics Letters 88, 121914 (2006). [Link]

60. J. -Q. Xi, Jong Kyu Kim, E. F. Schubert, Dexian Ye, T. -M. Lu, and Shaun-Yu Lin, "Very-low-refractive index optical thin films consisting of an array of SiO2 nanorods" Optics Letters 31, 601 (2006). [Link]

59. Subba Ramaiah Kodigala, I. Bhat, Jong Kyu Kim, E. Fred Schubert, "Surface studies of SiC epitaxial layers by chemical vapor deposition" Material Science & Engineering B 129, 22 (2006). [Link]

58. Jong Kyu Kim, E. Fred Schubert, J. Cho, C. Sone, J. Y. Lin, H. X. Jiang, J. M. Zavada, "GaN light-emitting triode for high-efficiency hole injection" Journal of The Electrochemical Society 153, G734(2006). [Link]

57. Y. Xi, X. Li, Jong Kyu Kim, F. Mont, T. Gessmann, H. Luo, and E. F. Schubert, "Quantative assessment of diffusivity and specularity of surface-textured reflectors for light extraction in light-emitting diodes" Journal of Vacuum Science and Technology A 24, 1627 (2006). [Link]

56. H. Luo, Jong Kyu Kim, Y. Xi, E. Fred Schubert, Jaehee Cho, Cheolsoo Sone, and Yongjo Park, "Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor" Applied Physics Letters 89, 041125 (2006). [Link]

55. Y. A. Xi, K. X. Chen, F. Mont, Jong Kyu Kim, C. Wetzel, E. F. Schubert, W. Liu, X. Li, and J. A. Smart, "Very high quality AlN grown on (0001) sapphire by metal-organic vapor phase epitaxy" Applied Physics Letters 89, 103106 (2006). [Link]

54. E. Fred Schubert, Jong Kyu Kim, Hong Luo, and J. -Q. Xi, "Solid-state lighting – a benevolent technology" Report on Progress in Physics 69, 3069-3099 (2006). [Link]

53. Jong Kyu Kim, J.-Q. Xi, Hong Luo, E. Fred Schubert, J. Cho, C. Sone, Y. Park, "Enhanced light-extraction in GaInN near-ultraviolet light-emitting diode with Al-based omnidirectional reflector having NiZn/Ag microcontacts" Applied Physics Letters 89, 141123 (2006). [Link]

 

2005

52. Y. Xi, J.-Q. Xi, Th. Gessmann, J. M. Shah, Jong Kyu Kim, E. F. Schubert, A. J. Fischer, M. H. Crawford, K. H. A. Bogart, A. A. Allerman, "Junction and carrier temperature measurements in deep-ultraviolet light-emitting diodes using three different methods" Applied Physics Letters 86 , 031907(2005). [Link]

51. Jong Kyu Kim, H. Luo, E. F. Schubert, Jaehee Cho, Cheolsoo Sone, and Yongjo Park, "Strongly enhanced phosphor efficiency in GaInN white light-emitting diodes using remote phosphor configuration and diffuse reflector cup" Japanese Journal of Applied Physics 44, L649-L651 (2005). [Link]

50. H. Luo, Jong Kyu Kim, E. Fred Schubert, Jaehee Cho, Cheolsoo Sone, and Yongjo Park, "Analysis of high-power packages for phosphor-based white light-emitting diodes" Applied Physics Letters 86, 243505 (2005). [Link]

49. J.-Q. Xi, M. Ojha, Jong Kyu Kim, E. Fred Schubert, J. L. Plawsky, and W. N. Gill, "Internal high reflectivity omni-directional reflectors" Applied Physics Letters 87, p. 031111 (2005). [Link]

48. J.-Q. Xi, Jong Kyu Kim and E. Fred Schubert, "Silica Nanorod-Array Films with Very Low Refractive Indices" Nano Letters 5, 1385-1387 (2005). [Link]

47. E. Fred Schubert and Jong Kyu Kim, "Solid-State Light Sources Getting Smart" Science 308, 1274 (2005). [Link]

46. Y. Xi, Th. Gessmann, J.-Q. Xi, Jong Kyu Kim, J. M. Shah, E. F. Schubert, A. J. Fischer, M. H. Crawford, K. H. A. Bogart, and A. A. Allerman, "Junction temperature in ultraviolet light-emitting diodes" Japanese Journal of Applied Physics 44, 7260-7266 (2005). [Link]

45. K. S. Ramaiah, I. Bhat, T. P. Chow, J. K. Kim, E. F. Schubert, D. Johnstone, S. Akarca-Biyikli, "Growth and characterization of SiC epitaxial layers on Si- and C-face 4H SiC substrates by chemical-vapor deposition" Journal of Applied Physics 98, 106108 (2005). [Link]

 

2004

44. Jong Kyu Kim and Jong-Lam Lee, "GaN metal-semiconductor-metal ultraviolet photodetectors with transparent RuO2 and IrO2 Schottky contacts" Journal of The Electrochemical Society 151, G190 (2004). [Link]

43. Jong Kyu Kim, E. L. Waldron, Y. –L. Lee, T. Gessmann, H. W. Jang, J. –L. Lee, and E. F. Schubert, "P-type conductivity in bulk AlxGa1–xN and AlxGa1–xN/AlyGa1–yN superlattices with average Al mole fraction < 20 %" Applied Physics Letters 84, 3310 (2004). [Link]

42. Jong Kyu Kim, Thomas Gessmann, Hong Luo, and E. Fred Schubert, "GaInN Light-Emitting Diodes with RuO2/SiO2/Ag Omni-Directional Reflector" Applied Physics Letters 84, 4508 (2004). [Link]

41. C. C. Kim, S. K. Seol, Jong Kyu Kim, J.-L. Lee, Y. Hwu, P. Ruterana, G. Magaritondo, and J. H. Je, "Metal/GaN reaction chemistry and their electrical properties" Physica Status Solidi (b) 241, 2771~2774(2004). [Link]

40. H. W. Jang, Jong Kyu Kim, S. Y. Kim, H. K. Yu, and Jong-Lam Lee, "Ohmic contacts for high-power LEDs" Physica Status Solidi (a) 201, 2831~2836 (2004). [Link]

 

2003

39. Jong Kyu Kim, Ho Won Jang, and Jong-Lam Lee, "Current conduction mechanism of Pt/GaN and Pt/Al0.35Ga0.65N Schottky diodes" Journal of Applied Physics 94, 7201 (2003). [Link]

38. Jong Kyu Kim, H. W. Jang, C. C. Kim, J. H. Je, K. A. Rickert, T. F. Kuech, and Jong-Lam Lee, "Microstructural study of Pt contact on p-type GaN" Journal of Vacuum Science and Technology B 21(1), 87 (2003). [Link]

37. Jong Kyu Kim and Jong-Lam Lee, "Effect of surface treatment on Schottky barrier height of p-type GaN" Journal of The Electrochemical Society 150, G209 (2003). [Link]

36. Ho Won Jang, Jong Kyu Kim, J. Schroeder, T. Sands, and Jong-Lam Lee, "Electrical properties of metal contacts on laser-irradiated n-type GaN" Applied Physics Letters 82, 580 (2003). [Link]

35. Jeong Min Baik, Ho Won Jang, Jong Kyu Kim, Yoon Shon, Tae Won Kang, and Jong-Lam Lee, "Effect of micro-structural change on magnetic properties of Mn-implanted p-type GaN" Applied Physics Letters 82, 583 (2003). [Link]

 

2002

34. Jong Kyu Kim and J.-L. Lee, "Effect of a Au Overlayer on Thermal Stability of Pt Transparent Ohmic Contact on P-type GaN" Journal of The Electrochemical Society 149, G266 ~ G270 (2002). [Link]

33. Jong Kyu Kim, Ho Won Jang, and Jong-Lam Lee, "Mechanism for ohmic contact formation of Ti on n-type GaN investigated using synchrotron radiation photoemission spectroscopy" Journal of Applied Physics 91, 9214 (2002). [Link]

32. Soo Young Kim, Ho Won Jang, Jong Kyu Kim, Chang Min Jeon, Won Il Park, Gyu-Chul Yi, and Jong-Lam Lee, "Low resistance Ti/Al Ohmic contact on undoped ZnO" Journal of Electronic Materials 31, 868 (2002). [Link]

31. Ho Won Jang, Chang Min Jeon, Ki Hong Kim, Jong Kyu Kim, Sung-Bum Bae, Jung-Hee Lee, Jae Wu Choi, and Jong-Lam Lee, "Mechanism of two dimensional electron gas formation in AlxGa1-xN/GaN heterostructures" Applied Physics Letters 81, 1249~1251 (2002). [Link]

30. K. A. Rickert, A. B. Ellis, Jong Kyu Kim, Jong-Lam Lee, F. J. Himpsel, F. Dwikusuma, and T. F. Kuech, "X-ray photoemission determination of the Schottky barrier height of metal contacts to n-GaN and p-GaN" Journal of Applied Physics 92, 6671 (2002). [Link]

29. Jong Kyu Kim, H. W. Jang, C. M. Jeon, and Jong-Lam Lee, "GaN metal-semiconductor-metal ultraviolet photodetector with IrO2 Schottky contact" Applied Physics Letters 81, 4655~4657 (2002). [Link]

28. Jeong Min Baik, Jong Kyu Kim, Ho Won Jang, Ki Hong Kim, Yoon Shon, Tae Won Kang, and Jong-Lam Lee, "Microstructural investigation and magnetic properties of p-type GaN implanted with Mn+ ions" Physica Status Solidi (b) 234, 943 (2002). [Link]

 

2001

27. Jong Kyu Kim, C. C. Kim, T. S. Cho, J. H. Je, Y. Park, J. W. Lee, T. Kim, I. O. Jung, B. T. Lee, J.-L. Lee, "Microstructural and electrical investigation of Ni/Au Ohmic contact on p-type GaN" Journal of Electronic Materials 30, L8~L12 (2001). [Link]

26. C. C. Kim, Jong Kyu Kim, J.-L. Lee, J. H. Je, M.-S. Yi, D. Y. Noh, Y. Hwu, P. Ruterana, "High-temperature structural behavior of Ni/Au contact on GaN (0001)" Internet Journal of Nitride Semiconductor 6, 4 (2001).

25. Jong Kyu Kim, B. S. Kim, K. J. Kim, J. N. Kim, Y. Park, J. W. Lee, T. Kim, Jong-Lam Lee, "Effects of surface treatment on the change of surface band bending of p-type GaN" Journal of Electronic Materials 30, 129~135 (2001). [Link]

24. H. W. Jang, C. M. Jeon, Jong Kyu Kim and J.-L. Lee, "Room Temperature Ohmic contact on n-type GaN using plasma treatment" Internet Journal of Nitride Semiconductor 6, 8 (2001).

23. Jong Kyu Kim, C. C. Kim, T. S. Cho, J. H. Je, Y. Park, J.-L. Lee, "Effects of surface treatments on the electrical and the microstructural changes of Pd contact on p-type GaN" Journal of Electronic Materials 30, 170~174 (2001). [Link]

22. H. W. Jang, C. M. Jeon, Jong Kyu Kim and J.-L. Lee, "Room-temperature ohmic contact on n-type GaN with surface treatment using Cl2 inductively-coupled plasma" Applied Physics Letters 78, 2015-2017(2001). [Link]

21. C. C. Kim, Jong Kyu Kim, J.-L. Lee, J. H. Je, M. S. Yi, D. Y. Noh, Y. Hwu, P. Ruterana, "Catalytic role of Au in Ni/Au contact on GaN(0001)" Applied Physics Letters 78, 3773~3775 (2001). [Link]

20. J.-L. Lee, M. H. Weber, Jong Kyu Kim, and K. G. Lynn, "Positron annihilation study of Pd contacts on impurity-doped GaN" Applied Physics Letters 78, 4142~4144 (2001). [Link]

19. Jong Kyu Kim, H. W. Jang, C. Jeon and J.-L. Lee, "Reduction of Ohmic Contact Resistivity on P-Type GaN by Surface Treatment" Current Applied Physics 1, 385 ~ 388 (2001). [Link]

18. Jong Kyu Kim, Y.-H. Cho, J. S. Kwak, O.-H. Nam, J. W. Lee, Y. Park, T. Kim, J. W. Kim and J.-L. Lee, "The Effects of Au Overlayer on the Thermal Stability of Pt Ohmic Contact on P-type GaN" Journal of Korean Physical Society 37, 23~27 (2001). [Link]

17. H. W. Jang, C. M. Jeon, K. H. Kim, Jong Kyu Kim, S. B. Bae, J. H. Lee, J. W. Choi, and J.-L. Lee, "Investigation for the Formation of Polarization-induced 2-Dimensional Electron Gas in AlGaN/GaN Heterostructure Field Effect Transistors" Physica Status Solidi (b) 228, 621~624 (2001). [Link]

16. C. C. Kim, Jong Kyu Kim, J.-L. Lee, J. H. Je, M. S. Yi, D. Y. Noh, Y. Hwu, P. Ruterana, "Au catalyzed structural and electrical evolution of Ni/Au contact to GaN" Physica Status Solidi (a) 188, 379-382 (2001). [Link]

15. S. Y. Han, K. H. Kim, Jong Kyu Kim, H. W. Jang, K. H. Lee, N.-K. Kim, E. D. Kim and J-L Lee, "Ohmic contact formation mechanism of Ni on n-type 4H-SiC" Applied Physics Letters 79, 1816~1818(2001). [Link]

14. H. W. Jang, K. H. Kim, Jong Kyu Kim, S.-W. Hwang, J. J. Yang, K. J. Lee, S.-J. Son and J.-L. Lee, "Low-resistance and thermally-stable ohmic contact on p-type GaN using Pd/Ni metallization" Applied Physics Letters 79, 1822-1824 (2001). [Link]

 

~2000

13. Jong-Lam Lee, Jong Kyu Kim, J. W. Lee, Y. J. Park and T. Kim, "Transparent Pt Ohmic contact on p-type GaN with low resistivity using (NH4)2Sx treatment" Electrochemical and Solid-State Letters 3, 53-55 (2000). [Link]

12. J.-L. Lee and Jong Kyu Kim, "Ohmic contact formation mechanism of Pd nonalloyed contacts on p-type GaN" Journal of The Electrochemical Society 147, 2297~2302 (2000). [Link]

11. S. Y. Han, Jong Kyu Kim, J.-L. Lee, Y.-J. Baik, "Pre-treatment effects by aqua-regia solution on field emission of diamond film" Applied Physics Letters 76, 3694~3696 (2000). [Link]

10. Jong Kyu Kim, J. H. Je, J. -L. Lee, Y. Park and B. T. Lee, "Micorstructural investigation of Ni/Au ohmic contact on p-type GaN" Journal of The Electrochemical Society 147, 4645-4651 (2000). [Link]

9. J.-L. Lee, Jong Kyu Kim, K. J. Choi, and H. M. Yoo, "3.3 V Supply Single-Voltage-Operating Double-Planar-Doped AlGaAs/InGaAs PHEMT with Double Channel for 1.6 GHz Digital Mobile Communications" IEE Electronics Letters 36, 262-264 (2000). [Link]

8. Jong Kyu Kim, Jong-Lam Lee, J. W. Lee, Y. Park and T. Kim, "Pt ohmic contact to p-type GaN with contact resistivity of 10-4 ohm cm2 using surface treatment" Journal of Korean Physical Society 35, S1063-S1066 (1999). [Link]

7. Jong-Lam Lee, Jong Kyu Kim, J. W. Lee, Y. Park and T. Kim, "Effect of surface treatment by KOH solution on ohmic contact formation of p-type GaN" Solid-State Electronics 43, 435~437 (1999). [Link]

6. Jong-Lam Lee, Jong Kyu Kim, J. W. Lee, Y. Park and T. Kim, "Reduction of Ohmic Contact Resistivity on P-type GaN by Surface Treatment" Physica Status Solidi (a) 176, 763~766 (1999). [Link]

5. Jong Kyu Kim, Jong-Lam Lee, J. W. Lee, Y. Park and T. Kim, "Effect of surface treatment by (NH4)2Sx solution on the reduction of ohmic contact resistivity of p-type GaN" Journal of Vacuum Science and Technology B 17, 497~499 (1999). [Link]

4. Jong Kyu Kim, Jong-Lam Lee, J. W. Lee, Y. Park and T. Kim, "Low transparent Pt ohmic contact on p-type GaN by surface treatment using aqua regia" IEEE Electronics Letters 35, 1676~1678 (1999). [Link]

3. Jong Kyu Kim, Jong-Lam Lee, J. W. Lee, Y. Park and T. Kim, "The Effect of Au Overlayer on Ni Contacts to p-type GaN" Journal of Vacuum Science and Technology B 17, 2675~2678 (1999). [Link]

2. Jong-Lam Lee, M. Weber, Jong Kyu Kim, J. W. Lee, Y. Park and T. Kim, K. Lynn, "Ohmic contact formation mechanism of non-alloyed Pd contacts to p-type GaN observed by positron annihilation spectroscopy" Applied Physics Letters 74, 2289~2291 (1999). [Link]

1. Jong Kyu Kim, Jong-Lam Lee, J. W. Lee, H. E. Shin, Y. Park and T. Kim, "Low resistance Pd/Au ohmic contacts to p-type GaN using surface treatment" Applied Physics Letters 73, 2953-2955 (1998). [Link]