Search Results - "Cheon, Changheon"

Far-UVC emission of polarity-engineered AlGaN MQW using carbon nanotube-based cold cathode electron beam by Choi, Uiho, Yoo, Sung Tae, Kim, Minho, So, Byeongchan, Cheon, Changheon, Yang, Mino, Lee, Moonsang, Park, Kyu Chang, Nam, Okhyun

“…Far-ultraviolet-C (UVC) light is an efficient and safe germicide because the wavelength band eradicates viruses but is harmless to human cells. In this study,…”
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Void containing AlN layer grown on AlN nanorods fabricated by polarity selective epitaxy and etching method by So, Byeongchan, Lee, Junchae, Cheon, Changheon, Lee, Joohyung, Choi, Uiho, Kim, Minho, Song, Jindong, Chang, Joonyeon, Nam, Okhyun

“…Creating voids between thin films is a very effective method to improve thin film crystal quality. However, for AlN material systems, the AlN layer growth,…”
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Epitaxial growth of deep ultraviolet light emitting diodes with two-step n-AlGaN layer by So, Byeongchan, Cheon, Changheon, Lee, Joohyoung, Lee, Junchae, Kwak, Taemyung, Choi, Uiho, Song, JinDong, Chang, Joonyeon, Nam, Okhyun

“…•The effect of two-step n-AlGaN layer was investigated.•The crystal and electrical quality of n-AlGaN was improved by inserting two-step.•The optical power of…”
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