Information & Opto-Energy
Materials (IOEM) Laboratory

Improvement of Ti/Al ohmic contacts on N-face n-type GaN by using O2 plasma treatment

H. Seo, Y.-J. Cha, A. B. M. H. Islam, J. S. Kwak

Applied Surface Science 510 145180 (2020)

Impact of grain growth of silver reflective electrode by electron bombardment on external quantum efficiency o…

I. Y. Hong, A. B. M. H. Islam, T. K. Kim, Y.-J. Cha, J. S. Kwak

Applied Surface Science 512 145698 (2020)

Low Energy Electron Beam Activated IGZO-based Thin Film Transistor

M. U. Cho, Y.-J. Cha, M. Byeon, Y. J. Yoon, J. S. Kwak

Journal of the Korean Physical Society 76 715-721 (2020)

Characterization of the Interdependence Between the Light Output and Self-Heating of Gallium Nitride Light-Emi…

B. Chatterjee, J. S. Lundh, D. Shoemaker, T. K. Kim, H. Kim, N. C. Giebnik, J. S. Kwak, J. Cho, S. Choi

Journal of Electronic Packaging 142 031111 (2020)

Impact of tin-oxide nanoparticles on improving the carrier transport in the Ag/p-GaN interface of InGaN/GaN mi…

J. H. Lee, A. B. M. H. Islam, T. K. Kim, Y.-J. Cha, J. S. Kwak

Photonics Research 8 1049-1058 (2020)

Room-temperature operation of c-plane GaN vertical cavity surface emitting laser on conductive nanoporous dist…

R. T. ElAfandy, J.-H. Kang, B. Li, T. K. Kim, J. S. Kwak, and J. Han

Applied Physics Letters 117 011101 (2020)

Design of ITO/SiO2/TiO2 distributed Bragg reflectors as a p-type electrode in GaN-based flip-chip light emitti…

G. J. Lee, I. Y. Hong, T. K. Kim, H. J. Park, S. K. Oh, Y.-J. Cha, M. J. Park, K. J. Choi, J. S. Kwak

Applied Surface Science 477 220–225 (2019)

Impact of Hydrothermally Grown ZnO Nanorods on External Quantum Efficiency of 32 × 32 Pixelated InGaN/GaN Micr…

I. Y. Hong, J. H. Lee, S. M. Cho, J. B. So, T. K. Kim, Y.-J. Cha, J. S. Kwak

IEEE Transactions on Nanotechnology 18 160–166 (2019)

Thermal Management and Characterization of High-Power Wide-Bandgap Semiconductor Electronic and Photonic Devic…

S. K. Oh, J. S. Lundh, S. Shervin, B. Chatterjee, D. K. Lee, S. Choi, J. S. Kwak, J.-H. Ryou

Journal of Electronic Packaging 141 020801 (2019)

Improvement in the heat dissipation of matrix LED headlamps for vehicles according to the thickness and therma…

D. K. Lee, T. K. Kim, J. M. Lee, Y.-J. Cha, J. S. Kwak

Japanese Journal of Applied Physics 58 SCCC20 (2019)