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Magnetic properties of NiMnSb(001) films grown on InGaAs/InP(001)

Heinrich, B and Woltersdorf, Georg and Urban, R and Mosendz, O and Schmidt, G and Bach, P and Molenkamp, L and Rozenberg, E (2004) Magnetic properties of NiMnSb(001) films grown on InGaAs/InP(001). Journal of Applied Physics 95 (11, Pa), pp. 7462-7464.

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Abstract

NiMnSb half Heusler alloy films were prepared by molecular beam epitaxy (MBE) on InP(001). The dc and rf magnetic properties were investigated
by ferromagnetic resonance (FMR). The effective uniaxial anisotropy
fields increased with increasing film thickness and reached nonzero
asymptotic values. FMR linewidths rapidly increased with the film
thickness due to the presence of two magnon scattering. Bulklike
uniaxial anisotropies and two magnon scattering were caused by a
self-assembled network of lattice defects. Gilbert damping parameter
and spectroscopic g factor were found to be 3.1x10(7) and 2.03,
respectively, indicating a weak role of spin orbit interaction. (C)
2004 American Institute of Physics.

Item Type:

Article

Institutions:

UNSPECIFIED

Identification Number:

Value	Type
10.1063/1.1687274	DOI

Classification:

Notation	Type
75.30.Gw	PACS
75.30.Ds	PACS
75.50.Cc	PACS
76.50.+g	PACS
75.70.Ak	PACS

Keywords:

manganese alloys, antimony alloys, nickel alloys, molecular beam epitaxial growth, ferromagnetic materials, ferromagnetic resonance, damping, magnetic epitaxial layers, magnetic anisotropy, g-factor, spin-orbit interactions, magnons

Subjects:

500 Science > 530 Physics

Status:

Published

Refereed:

Yes, this version has been refereed

Created at the University of Regensburg:

Unknown

Owner:

Georg Woltersdorf

Deposited On:

07 Jun 2010 10:46