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Author:

丁广玉 (丁广玉.) | 邢艳辉 (邢艳辉.) | 韩军 (韩军.)

Indexed by:

zhihuiya

Abstract:

本发明公开了一种三维、两维GaN层多次交替结构改善非极性GaN材料质量的外延生长方法,属于GaN材料外延技术领域,本发明利用金属有机物化学气相沉积技术,外延结构从下向上依次为r面蓝宝石衬底、低温GaN成核层以及交替层叠生长的高压、高V/III比生长条件生长的三维GaN层,低压、低V/III比生长条件生长的二维GaN层;交替生长数个周期,本发明将降低位错与改善表面形貌两方面改进作为整体考虑,利用高压、高V/III比条件生长的三维GaN层来减少位错,利用低压、低V/III比生长条件生长的二维GaN层来改善材料的表面形貌,能够达到既降低位错密度又改进表面形貌提高非极性GaN材料质量。

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Patent Info :

Type: 发明申请

Patent No.: CN202410919778.6

Filing Date: 2024-07-10

Publication Date: 2024-10-29

Pub. No.: CN118854442A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count:

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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