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Author:

韩军 (韩军.) | 崔博垚 (崔博垚.) | 邢艳辉 (邢艳辉.) | 赵佳豪 (赵佳豪.)

Indexed by:

incoPat zhihuiya

Abstract:

一种插入InGaN层改善非极性GaN材料质量的外延生长方法属于GaN材料外延技术领域,利用金属有机物化学气相沉积(MOCVD)技术,生长的低位错密度非极性GaN材料,外延结构从下向上依次为 : r面蓝宝石衬底,低温GaN成核层;高压、高V/III比(V族与III族源摩尔流量比)生长条件生长的高温三维GaN层;第一次低压、低V/III比生长条件生长的高温二维GaN层;InGaN插入层;第二次低压、低V/III比生长条件生长的高温二维GaN层。本发明的特点是在二维GaN层中插入InGaN插入层,其能够缓解应力,并且阻挡了部分蓝宝石衬底与GaN失配产生的穿透位错的传递。本发明改善了现有技术的不足,能够减小非极性GaN材料位错密度,改善材料表面形貌,提高外延片的质量。

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Patent Info :

Type: 发明授权

Patent No.: CN201910548899.3

Filing Date: 2019-06-24

Publication Date: 2021-11-19

Pub. No.: CN110429019B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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