High temperature ferromagnetism with a giant magnetic moment in transparent Co-doped SnO2-δ -: art. no. 077205

被引：808

作者：

Ogale, SB ^{[1
]}

Choudhary, RJ

Buban, JP

Lofland, SE

Shinde, SR

Kale, SN

Kulkarni, VN

Higgins, J

Lanci, C

Simpson, JR

Browning, ND

Das Sarma, S

Drew, HD

Greene, RL

Venkatesan, T

机构：

[1] Univ Maryland, Ctr Superconduct Res, Dept Phys, College Pk, MD 20742 USA

[2] Univ Illinois, Dept Phys, Chicago, IL 60607 USA

[3] Rowan Univ, Dept Chem & Phys, Glassboro, NJ 08028 USA

[4] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.91.077205

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The occurrence of room temperature ferromagnetism is demonstrated in pulsed laser deposited thin films of Sn1-xCoxO2-delta (x<0.3). Interestingly, films of Sn0.95Co0.05O2-delta grown on R-plane sapphire not only exhibit ferromagnetism with a Curie temperature close to 650 K, but also a giant magnetic moment of 7.5+/-0.5mu(B)/Co, not yet reported in any diluted magnetic semiconductor system. The films are semiconducting and optically highly transparent.

引用

页数：4

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