Magnetic properties of Mn-doped 6H-SiC

被引：63
|
作者：
Song, Bo [1 ,2 ]
Bao, Huiqiang [1 ]
Li, Hui [1 ]
Lei, Ming [1 ]
Jian, Jikang [3 ]
Han, Jiecai [4 ]
Zhang, Xinghong [4 ]
Meng, Songhe [4 ]
Wang, Wanyan [1 ]
Chen, Xiaolong [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[2] Harbin Inst Technol, Acad Fundamental & Interdisciplinary Sci, Harbin 150080, Peoples R China
[3] Xinjiang Univ, Dept Phys, Urumqi 830046, Peoples R China
[4] Harbin Inst Technol, Ctr Composite Mat, Harbin 150080, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 10期
基金：
中国博士后科学基金;
关键词：
doping profiles; ferromagnetic materials; magnetic transitions; manganese; materials preparation; Raman spectra; semimagnetic semiconductors; silicon compounds; wide band gap semiconductors; FE; FERROMAGNETISM; FILMS; MODEL;
D O I：
10.1063/1.3097809
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report the synthesis and characterizations of low Mn-doped (< 10(-3) molar fraction) 6H-SiC. Raman scattering studies show an unusual shift in Raman peak with altering Mn contents. The magnetic properties measurement shows the typical ferromagnetic order was established at as low Mn-doped concentration as 10(-4) molar fraction at around 250 K. It is speculated that the defects-related effects other than the Mn content play a more important role to determine the magnetic ordering.
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页数：3
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