Ferromagnetic resonance study of MnAs (Ga,Mn) As bilayers

M. Cubukcu, H. J. Von Bardeleben, Kh Khazen, J. L. Cantin, M. Zhu, M. J. Wilson, P. Schiffer, Nitin Samarth

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We report the investigation of the static and dynamic magnetic properties of type- A MnAs Ga0.945 Mn0.055 As (001) bilayers. Static magnetization measurements show them to be ferromagnetically coupled with an exchange bias field of ∼340 Oe. The magnetocrystalline anisotropy constants of the (Ga,Mn)As layer were determined by X -band ferromagnetic resonance (FMR) spectroscopy. The (Ga,Mn)As layers are magnetically inhomogeneous as evidenced by a strong broadening of the (Ga,Mn)As uniform mode linewidth. The MnAs FMR spectra reveal the presence of a small MnAs fraction with a different orientation.

Original languageEnglish (US)
Article number07C506
JournalJournal of Applied Physics
Volume105
Issue number7
DOIs
StatePublished - Apr 27 2009

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ferromagnetic resonance
superhigh frequencies
magnetic properties
magnetization
anisotropy
spectroscopy

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Cubukcu, M., Von Bardeleben, H. J., Khazen, K., Cantin, J. L., Zhu, M., Wilson, M. J., ... Samarth, N. (2009). Ferromagnetic resonance study of MnAs (Ga,Mn) As bilayers. Journal of Applied Physics, 105(7), [07C506]. https://doi.org/10.1063/1.3059391
Cubukcu, M. ; Von Bardeleben, H. J. ; Khazen, Kh ; Cantin, J. L. ; Zhu, M. ; Wilson, M. J. ; Schiffer, P. ; Samarth, Nitin. / Ferromagnetic resonance study of MnAs (Ga,Mn) As bilayers. In: Journal of Applied Physics. 2009 ; Vol. 105, No. 7.
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abstract = "We report the investigation of the static and dynamic magnetic properties of type- A MnAs Ga0.945 Mn0.055 As (001) bilayers. Static magnetization measurements show them to be ferromagnetically coupled with an exchange bias field of ∼340 Oe. The magnetocrystalline anisotropy constants of the (Ga,Mn)As layer were determined by X -band ferromagnetic resonance (FMR) spectroscopy. The (Ga,Mn)As layers are magnetically inhomogeneous as evidenced by a strong broadening of the (Ga,Mn)As uniform mode linewidth. The MnAs FMR spectra reveal the presence of a small MnAs fraction with a different orientation.",
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Cubukcu, M, Von Bardeleben, HJ, Khazen, K, Cantin, JL, Zhu, M, Wilson, MJ, Schiffer, P & Samarth, N 2009, 'Ferromagnetic resonance study of MnAs (Ga,Mn) As bilayers', Journal of Applied Physics, vol. 105, no. 7, 07C506. https://doi.org/10.1063/1.3059391

Ferromagnetic resonance study of MnAs (Ga,Mn) As bilayers. / Cubukcu, M.; Von Bardeleben, H. J.; Khazen, Kh; Cantin, J. L.; Zhu, M.; Wilson, M. J.; Schiffer, P.; Samarth, Nitin.

In: Journal of Applied Physics, Vol. 105, No. 7, 07C506, 27.04.2009.

Research output: Contribution to journalArticle

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T1 - Ferromagnetic resonance study of MnAs (Ga,Mn) As bilayers

AU - Cubukcu, M.

AU - Von Bardeleben, H. J.

AU - Khazen, Kh

AU - Cantin, J. L.

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AU - Wilson, M. J.

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AU - Samarth, Nitin

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AB - We report the investigation of the static and dynamic magnetic properties of type- A MnAs Ga0.945 Mn0.055 As (001) bilayers. Static magnetization measurements show them to be ferromagnetically coupled with an exchange bias field of ∼340 Oe. The magnetocrystalline anisotropy constants of the (Ga,Mn)As layer were determined by X -band ferromagnetic resonance (FMR) spectroscopy. The (Ga,Mn)As layers are magnetically inhomogeneous as evidenced by a strong broadening of the (Ga,Mn)As uniform mode linewidth. The MnAs FMR spectra reveal the presence of a small MnAs fraction with a different orientation.

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Cubukcu M, Von Bardeleben HJ, Khazen K, Cantin JL, Zhu M, Wilson MJ et al. Ferromagnetic resonance study of MnAs (Ga,Mn) As bilayers. Journal of Applied Physics. 2009 Apr 27;105(7). 07C506. https://doi.org/10.1063/1.3059391