The 66th JSAP Spring Meeting, 2019

Presentation information

Oral presentation

15 Crystal Engineering » 15.4 III-V-group nitride crystals

[9a-W541-1~12] 15.4 III-V-group nitride crystals

Sat. Mar 9, 2019 9:00 AM - 12:15 PM W541 (W541)

Toru Akiyama(Mie Univ.), Tomoyuki Tanikawa(Tohoku Univ.)

11:30 AM - 11:45 AM

[9a-W541-10] 【Highlight】Relationship between reverse leakage current of p-n diodes on GaN free-standing substrate and Mg existing around threading screw dislocations

Shigeyoshi Usami1, Atsushi Tanaka2,3, Norihito Mayama4, Kazuya Toda4, Yoshihiro Sugawara5, Yao Yongzhao5, Yukari Ishikawa5, Yuto Ando1, Manato Deki2, Shugo Nitta2, Yoshio Honda2, Hiroshi Amano2,3,6,7 (1.Nagoya Univ., 2.IMaSS, 3.NIMS, 4.Toshiba Nanoanalysis Corp., 5.JFCC, 6.ARC, 7.VBL)

Keywords:3DAP, p-n diodes, reverse leakage

本講演では漏れる螺旋転位と漏れない螺旋転位を決定する要因として不純物に着目し、3次元アトムプローブを用いて貫通転位周りのMgおよびO、Cとリークの関係について報告する。