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Titolo:
Magnetotransport and Mossbauer study of Fe3O4/gamma Fe2O3 granular thin films
Autore:
Taniyama, T; Kitamoto, Y; Yamazaki, Y;
Indirizzi:
Tokyo Inst Technol, Dept Innovat & Engineered Mat, Yokohama, Kanagawa 2268502, Japan Tokyo Inst Technol Yokohama Kanagawa Japan 2268502 anagawa 2268502, Japan
Titolo Testata:
JOURNAL OF APPLIED PHYSICS
fascicolo: 11, volume: 89, anno: 2001,
parte:, 2
pagine: 7693 - 7695
SICI:
0021-8979(20010601)89:11<7693:MAMSOF>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
MAGNETIC-PROPERTIES; MAGNETORESISTANCE; FE3O4; ORDER; TRANSITION; TRANSPORT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Taniyama, T Tokyo Inst Technol, Dept Innovat & Engineered Mat, Yokohama, Kanagawa 2268502, Japan Tokyo Inst Technol Yokohama Kanagawa Japan 2268502 502, Japan
Citazione:
T. Taniyama et al., "Magnetotransport and Mossbauer study of Fe3O4/gamma Fe2O3 granular thin films", J APPL PHYS, 89(11), 2001, pp. 7693-7695

Abstract

Magnetotransport nature of Fe3O4/gamma Fe2O3 granular thin films is examined in the transformation process from Fe3O4 to gamma Fe2O3. The electrical and magnetoresistive features systematically change around the percolation threshold of ferrimagnetic Fe3O4 metal. The electrical conduction can be described on the basis of small-polaron hopping and variable range hopping with coulomb gap in the Fe3O4/gamma Fe2O3 thin films. Possible causes for thechange in the magnetoresistance are also addressed. (C) 2001 American Institute of Physics.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 12:51:48