Influence of mole ratio of Si: C on the magnetic property of undoped and vanadium carbide doped 3C-SiC

被引：3

作者：

Wang, Hui ^{[1
,2
]}

Yan, Chengfeng ^{[1
]}

Kong, Haikuan ^{[1
]}

Chen, Jianjun ^{[1
]}

Xin, Jun ^{[1
]}

Shi, Erwei ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2013年 / 556卷

基金：

中国国家自然科学基金;

关键词：

FERROMAGNETISM;

D O I：

10.1016/j.cplett.2012.12.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ferromagnetism (FM) of 3C-SiC powders have been studied by tuning the mole ratio of Si: C. The results of magnetic measurements show that with increasing Si: C, the saturation magnetization (M-s) of undoped 3C-SiC is hardly varied while the M-s of vanadium carbide (VC) doped 3C-SiC is reduced. The introduction of VC mainly leads to the decrease of divacancies (VSiVC) concentration which is the FM origin, and this effect is enhanced with increasing Si: C. Furthermore, the increase of carrier concentration hardly influences the FM of 3C-SiC at VC doping concentration of 0.1 wt.%. (C) 2012 Elsevier B. V. All rights reserved.

引用

页码：142 / 145

页数：4

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