Low-temperature molecular beam epitaxy of a ferromagnetic full-Heusler alloy Fe2MnSi on Ge(111)

K. Ueda; K. Hamaya; K. Yamamoto; Y. Ando; T. Sadoh; Y. Maeda; M. Miyao

doi:10.1063/1.2977866

Low-temperature molecular beam epitaxy of a ferromagnetic full-Heusler alloy Fe₂MnSi on Ge(111)

K. Ueda, K. Hamaya, K. Yamamoto, Y. Ando, T. Sadoh, Y. Maeda, M. Miyao

Electronic Devices

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Abstract

We demonstrate the epitaxial growth of ferromagnetic full-Heusler alloy Fe₂MnSi layers on group-IV semiconductor Ge(111) using molecular beam epitaxy at the growth temperatures of 130 and 200 °C. The Fe ₂MnSi/Ge (111) layers have an atomic-scale abrupt interface and include the ordered L2₁ phase. We also show ferromagnetic features with a saturation magnetization of ∼2.2 μB /f.u. and a Curie temperature of ∼210 K, which are nearly comparable to those of bulk Fe₂MnSi.

Original language	English
Article number	112108
Journal	Applied Physics Letters
Volume	93
Issue number	11
DOIs	https://doi.org/10.1063/1.2977866
Publication status	Published - Sep 29 2008

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molecular beam epitaxy

Curie temperature

saturation

magnetization

temperature

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

Cite this

Ueda, K., Hamaya, K., Yamamoto, K., Ando, Y., Sadoh, T., Maeda, Y., & Miyao, M. (2008). Low-temperature molecular beam epitaxy of a ferromagnetic full-Heusler alloy Fe₂MnSi on Ge(111). Applied Physics Letters, 93(11), [112108]. https://doi.org/10.1063/1.2977866

Low-temperature molecular beam epitaxy of a ferromagnetic full-Heusler alloy Fe₂MnSi on Ge(111). / Ueda, K.; Hamaya, K.; Yamamoto, K.; Ando, Y.; Sadoh, T.; Maeda, Y.; Miyao, M.

In: Applied Physics Letters, Vol. 93, No. 11, 112108, 29.09.2008.

Research output: Contribution to journal › Article

Ueda, K, Hamaya, K, Yamamoto, K, Ando, Y, Sadoh, T, Maeda, Y & Miyao, M 2008, 'Low-temperature molecular beam epitaxy of a ferromagnetic full-Heusler alloy Fe₂MnSi on Ge(111)', Applied Physics Letters, vol. 93, no. 11, 112108. https://doi.org/10.1063/1.2977866

Ueda K, Hamaya K, Yamamoto K, Ando Y, Sadoh T, Maeda Y et al. Low-temperature molecular beam epitaxy of a ferromagnetic full-Heusler alloy Fe₂MnSi on Ge(111). Applied Physics Letters. 2008 Sep 29;93(11). 112108. https://doi.org/10.1063/1.2977866

Ueda, K. ; Hamaya, K. ; Yamamoto, K. ; Ando, Y. ; Sadoh, T. ; Maeda, Y. ; Miyao, M. / Low-temperature molecular beam epitaxy of a ferromagnetic full-Heusler alloy Fe₂MnSi on Ge(111). In: Applied Physics Letters. 2008 ; Vol. 93, No. 11.

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10.1063/1.2977866