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arxiv: 1010.4872 · v1 · pith:GWNHJGFRnew · submitted 2010-10-23 · ❄️ cond-mat.mtrl-sci · cond-mat.other

High spin polarization in epitaxial films of ferrimagnetic Mn3Ga

Huseyin Kurt , Karsten Rode , Munuswamy Venkatesan , Plamen Stanislavov Stamenov , John Michael David Coey This is my paper
classification ❄️ cond-mat.mtrl-sci cond-mat.other
keywords epitaxialfilmshighspinanisotropyferrimagneticmn3gapolarization
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Ferrimagnetic Mn3Ga exhibits a unique combination of low saturation magnetization (Ms = 0.11 MA m-1) and high perpendicular anisotropy with a uniaxial anisotropy constant of Ku = 0.89 MJ m-3. Epitaxial c-axis films exhibit spin polarization as high as 58%, measured using point contact Andreev reflection. These epitaxial films will be able to support thermally stable sub-10 nm bits for spin transfer torque memories.

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