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Article: Domain observation and transition from giant magnetoresistance to anisotropy magnetoresistance in Ag1-x(Ni0.8Co0.2)x granular films

TitleDomain observation and transition from giant magnetoresistance to anisotropy magnetoresistance in Ag<inf>1-x</inf>(Ni<inf>0.8</inf>Co<inf>0.2</inf>)<inf>x</inf> granular films
Authors
KeywordsMagnetic films and multilayers
Nanofabrications
Scanning and transmission electron microscopy
Galvanomagnetic effects
X-ray and γ-ray spectroscopies
Issue Date2003
Citation
Solid State Communications, 2003, v. 127, n. 11, p. 719-723 How to Cite?
AbstractA series of Ag1-x(Ni0.8Co0.2)x granular film samples were prepared using an ion-beam cosputtering technique. X-ray diffraction (XRD) and transmission electron microscopy (TEM) were performed to investigate the microstructure of these samples. The results measured using a vibrating sample magnetometer (VSM) show a gradual change from superparamagnetism to ferromagnetism as x increases in these samples. Magnetoresistance was measured using a conventional four terminal method at room temperature. As x increases, a transition from giant magnetoresistance (GMR) to anisotropic magnetoresistance (AMR) has been observed. The stripe-type domains have been observed using magnetic force microscopy (MFM) in the high x samples, and the domains gradually disappear as x decreases. It suggests that the transition from GMR to AMR may result from intergranular interaction (not only dipolar) in the samples as x increases. © 2003 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/310375
ISSN
2023 Impact Factor: 2.1
2023 SCImago Journal Rankings: 0.414
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNi, G.-
dc.contributor.authorSang, H.-
dc.contributor.authorWang, F.-
dc.contributor.authorYin, X. B.-
dc.contributor.authorDu, Y. W.-
dc.date.accessioned2022-01-31T06:04:43Z-
dc.date.available2022-01-31T06:04:43Z-
dc.date.issued2003-
dc.identifier.citationSolid State Communications, 2003, v. 127, n. 11, p. 719-723-
dc.identifier.issn0038-1098-
dc.identifier.urihttp://hdl.handle.net/10722/310375-
dc.description.abstractA series of Ag1-x(Ni0.8Co0.2)x granular film samples were prepared using an ion-beam cosputtering technique. X-ray diffraction (XRD) and transmission electron microscopy (TEM) were performed to investigate the microstructure of these samples. The results measured using a vibrating sample magnetometer (VSM) show a gradual change from superparamagnetism to ferromagnetism as x increases in these samples. Magnetoresistance was measured using a conventional four terminal method at room temperature. As x increases, a transition from giant magnetoresistance (GMR) to anisotropic magnetoresistance (AMR) has been observed. The stripe-type domains have been observed using magnetic force microscopy (MFM) in the high x samples, and the domains gradually disappear as x decreases. It suggests that the transition from GMR to AMR may result from intergranular interaction (not only dipolar) in the samples as x increases. © 2003 Elsevier Ltd. All rights reserved.-
dc.languageeng-
dc.relation.ispartofSolid State Communications-
dc.subjectMagnetic films and multilayers-
dc.subjectNanofabrications-
dc.subjectScanning and transmission electron microscopy-
dc.subjectGalvanomagnetic effects-
dc.subjectX-ray and γ-ray spectroscopies-
dc.titleDomain observation and transition from giant magnetoresistance to anisotropy magnetoresistance in Ag<inf>1-x</inf>(Ni<inf>0.8</inf>Co<inf>0.2</inf>)<inf>x</inf> granular films-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0038-1098(03)00559-3-
dc.identifier.scopuseid_2-s2.0-0042922658-
dc.identifier.volume127-
dc.identifier.issue11-
dc.identifier.spage719-
dc.identifier.epage723-
dc.identifier.isiWOS:000185217800006-

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