Ferrimagnetic ordering of single crystal Fe1-xGax thin films

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Molecular beam epitaxy was used to deposit body centered cubic single crystal Fe{sub 1-x}Ga{sub x} 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 ... continued below

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McClure, A.; Arenholz, E. & Idzerda, Y. U. October 19, 2009.

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Molecular beam epitaxy was used to deposit body centered cubic single crystal Fe{sub 1-x}Ga{sub x} 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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  • Journal Name: JOURNAL OF VACUUM SCIENCE&TECHNOLOGY A

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  • Report No.: LBNL-3931E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 988864
  • Archival Resource Key: ark:/67531/metadc1012205

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  • October 19, 2009

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  • Oct. 14, 2017, 8:36 a.m.

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  • Oct. 17, 2017, 6:12 p.m.

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McClure, A.; Arenholz, E. & Idzerda, Y. U. Ferrimagnetic ordering of single crystal Fe1-xGax thin films, article, October 19, 2009; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc1012205/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.