Ferrimagnetic ordering of single crystal Fe1−xGax thin films | Zendy

Adam McClure | Zendy; Elke Arenholz | Zendy; Y. U. Idzerda | Zendy

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Ferrimagnetic ordering of single crystal Fe1−xGax thin films

Author(s) -

Adam McClure,

Elke Arenholz,

Y. U. Idzerda

Publication year - 2010

Publication title -

journal of vacuum science and technology a vacuum surfaces and films

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.583

H-Index - 112

eISSN - 1520-8559

pISSN - 0734-2101

DOI - 10.1116/1.3447233

Subject(s) - ferrimagnetism , materials science , magnetic moment , single crystal , thin film , magnetization , crystal (programming language) , molecular beam epitaxy , magnetic circular dichroism , electron diffraction , substrate (aquarium) , crystallography , diffraction , layer (electronics) , epitaxy , condensed matter physics , analytical chemistry (journal) , chemistry , nanotechnology , optics , magnetic field , spectral line , oceanography , computer science , quantum mechanics , chromatography , programming language , physics , astronomy , geology

Molecular beam epitaxy was used to deposit body centered cubic single crystal Fe1−xGax thin films on MgO(001) and ZnSe/GaAs(001) substrates well beyond the bulk stability concentration of about 28%. The crystal quality of the substrate surface and each deposited layer was monitored in situ by reflection high energy electron diffraction. The magnetization of the samples as a function of Ga is found to decrease more rapidly than a simple dilution effect, and element-specific x-ray magnetic circular dichroism ascribes this trend to a decrease in the Fe moment and an induced moment in the Ga that is antialigned to the Fe moment.

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