Kazunobu Kojima

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Speaker, Author, Co-Author

Tue. Sep 5, 2017 9:00 AM - 12:00 PM A301 (Main Hall)

Oral presentation
| 15 Crystal Engineering
| 15.4 III-V-group nitride crystals

[5a-A301-1~11] 15.4 III-V-group nitride crystals

9:30 AM - 9:45 AM

[5a-A301-3] Characterization of surface properties of GaN single crystals by attenuated total reflectance

〇Kazunobu Kojima¹, Kenichi Akao², Miyuki Kanno², Kosuke Mizuno², Koushi Nagamori², Shigefusa Chichibu¹ (1.IMRAM-Tohoku Univ., 2.JASCO Corp.)

9:45 AM - 10:00 AM

[5a-A301-4] Spatial inhomogeneity of internal quantum efficiency in GaN single crystals under photoexcitation

〇Kazunobu Kojima¹, Hidehiro Asai², Koichi Fukuda², Shigefusa Chichibu¹ (1.IMRAM-Tohoku Univ., 2.AIST)

11:30 AM - 11:45 AM

[5a-A301-10] Optical characterization of c-plane AlGaN multiple quantum wells with enhanced overlap integral of electron and hole wavefunctions by the quadratic compositional modulation

〇Kazunobu Kojima¹, Yusuke Hayashi², Hideto Miyake², Kazumasa Hiramatsu², Shigefusa Chichibu¹ (1.IMRAM-Tohoku Univ., 2.Mie Univ.)