Thermal processing effects on ultra-thin ferromagnetic Fe layers grown on GaAs(0 0 1)

Justin M. Shaw; Charles M. Falco

doi:10.1016/j.jmmm.2004.09.058

Thermal processing effects on ultra-thin ferromagnetic Fe layers grown on GaAs(0 0 1)

Justin M. Shaw, Charles M. Falco

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We used Brillouin light scattering and magneto-optical Kerr effect measurements to study the magnetic properties of ultra-thin 1.5 nm Fe layers undergoing various annealing and high temperature growth processes on GaAs(0 0 1). We found that the thermal processing has a profound effect on the form and magnitude of the magnetic anisotropy and value of the coercivity. In addition, in situ scanning tunneling microscopy revealed that high temperature post-deposition annealing results in the formation of rectangular pits, while high temperature growth results in a rough faceted microstructure.

Original language	English (US)
Pages (from-to)	420-424
Number of pages	5
Journal	Journal of Magnetism and Magnetic Materials
Volume	286
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.jmmm.2004.09.058
State	Published - Feb 1 2005

Keywords

Magnetic films
Spin-wave
Spintronics

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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abstract = "We used Brillouin light scattering and magneto-optical Kerr effect measurements to study the magnetic properties of ultra-thin 1.5 nm Fe layers undergoing various annealing and high temperature growth processes on GaAs(0 0 1). We found that the thermal processing has a profound effect on the form and magnitude of the magnetic anisotropy and value of the coercivity. In addition, in situ scanning tunneling microscopy revealed that high temperature post-deposition annealing results in the formation of rectangular pits, while high temperature growth results in a rough faceted microstructure.",

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AU - Shaw, Justin M.

AU - Falco, Charles M.

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N2 - We used Brillouin light scattering and magneto-optical Kerr effect measurements to study the magnetic properties of ultra-thin 1.5 nm Fe layers undergoing various annealing and high temperature growth processes on GaAs(0 0 1). We found that the thermal processing has a profound effect on the form and magnitude of the magnetic anisotropy and value of the coercivity. In addition, in situ scanning tunneling microscopy revealed that high temperature post-deposition annealing results in the formation of rectangular pits, while high temperature growth results in a rough faceted microstructure.

AB - We used Brillouin light scattering and magneto-optical Kerr effect measurements to study the magnetic properties of ultra-thin 1.5 nm Fe layers undergoing various annealing and high temperature growth processes on GaAs(0 0 1). We found that the thermal processing has a profound effect on the form and magnitude of the magnetic anisotropy and value of the coercivity. In addition, in situ scanning tunneling microscopy revealed that high temperature post-deposition annealing results in the formation of rectangular pits, while high temperature growth results in a rough faceted microstructure.

KW - Magnetic films

KW - Spin-wave

KW - Spintronics

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JO - Journal of Magnetism and Magnetic Materials

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