Crossover to striped magnetic domains in Fe1-xGax magnetostrictive thin films

被引：59

作者：

Barturen, M. ^{[1
,2
,3
,4
]}

Salles, B. Rache ^{[3
,4
]}

Schio, P. ^{[5
]}

Milano, J. ^{[1
,2
,3
]}

Butera, A. ^{[1
,2
,3
]}

Bustingorry, S. ^{[1
,2
]}

Ramos, C. ^{[1
]}

de Oliveira, A. J. A. ^{[5
]}

Eddrief, M. ^{[3
,4
]}

Lacaze, E. ^{[4
]}

Gendron, F. ^{[4
]}

Etgens, V. H. ^{[3
,4
,6
]}

Marangolo, M. ^{[3
,4
]}

机构：

[1] Ctr Atom Bariloche, Comis Nacl Energia Atom, San Carlos De Bariloche, Rio Negro, Argentina

[2] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina

[3] UPMC Paris 6, CNRS, Lab Int Francoargentino Nanociencia LIFAN, UMR 7588, F-75252 Paris 05, France

[4] UPMC Paris 6, CNRS, Inst NanoSci Paris, INSP,UMR 7588, F-75252 Paris 05, France

[5] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil

[6] Univ Versailles St Quentin En Yvelines UVSQ, F-78035 Versailles, France

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 09期

关键词：

NI-FE FILMS; ANISOTROPY; ALLOYS;

D O I：

10.1063/1.4748122

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have studied the magnetic properties at room temperature of Fe1-xGax (FeGa) epitaxial thin films grown on ZnSe/GaAs(100) for 0: 14 <= x <= 0.29 range concentration, and film thicknesses, d = 36 and 72 nm. The study was performed by means of magnetometric measurements and magnetic force microscopy scans. Increasing x promotes the loss of the four-fold magnetic-crystalline anisotropy associated to an Fe-like behavior, which is lost completely above x = 0.20. Stripe domains with rotatable anisotropy are observed even in samples in which the theoretical conditions for stripe appearance are not completely fulfilled. An unexpected "saw-tooth" stripe structure has been found under certain conditions. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4748122]

引用

页数：4

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