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24 April 2024

» pubmed » pmid12935053

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High temperature ferromagnetism with a giant magnetic moment in transparent co-doped SnO(2-delta)
S B Ogale ; R J Choudhary ; J P Buban ; S E Lofl ; S R Shinde ; S N Kale ; V N Kulkarni ; J Higgins ; C Lanci ; J R Simpson ; N D Browning ; S Das Sarma ; H D Drew ; R L Greene ; T Venkatesan ;
Date:	15 Aug 2003
Journal:	Phys Rev Lett, 91 (7), 077205
Abstract:	The occurrence of room temperature ferromagnetism is demonstrated in pulsed laser deposited thin films of Sn(1-x)Co(x)O(2-delta) (x<0.3). Interestingly, films of Sn(0.95)Co(0.05)O(2-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+/-0.5 micro(B)/Co, not yet reported in any diluted magnetic semiconductor system. The films are semiconducting and optically highly transparent.
Source:	PubMed, pmid12935053
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