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Author:

范修军 (范修军.) | 王越 (王越.) | 徐宏 (徐宏.)

Indexed by:

EI Scopus SCIE PKU CSCD

Abstract:

报道了A:Al2O3(A=Cr,Fe,Ni)晶体光学浮区法生长工艺,研究了旋转速率、生长速率对晶体质量的影响,制备出了φ6~8 mm、长度为60~80 mm的A:Al2O3晶体.A:Al2O3晶体的生长方向为<001>方向,X射线双晶摇摆曲线表明A:Al2O3晶体具有良好的晶体质量.通过X射线衍射、扫描电镜、偏光显微镜对晶体中的生长缺陷进行了研究,结果表明,A:Al2O3晶体的主要缺陷为小角度晶界、包裹体和溶质尾迹.研究了A:Al2O3晶体的光谱性能,并对A:Al2O3晶体的介电性能进行了测量,室温下1000 kHz时A:Al2O3晶体表现出较高的介电系数εr(12.1~15.7)和较小的介电损耗tanδ(0.0020~0.0002).

Keyword:

光学浮区法 晶体缺陷 A:Al2O3 晶体生长

Author Community:

  • [ 1 ] [范修军]北京工业大学
  • [ 2 ] [王越]北京工业大学
  • [ 3 ] [徐宏]北京工业大学

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Source :

无机材料学报

ISSN: 1000-324X

Year: 2011

Issue: 12

Volume: 25

Page: 1266-1272

1 . 7 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 2

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