Physica B: Condensed Matter
Volume 248, Issues 1-4,
15 June 1998,
Pages 14-24
PII: S0921-4526(98)00196-3
Surface and interfacial magnetic diffuse scattering
Masayasu Takedaa, *, Yasuo Endoha, Atsushi Kamijob and Jun'ichiro Mizukic
a Physics Department, Graduate School of Science, Tohoku University, Aramaki Aobaku, Sendai 980-77, Japan
b Fundamental Research Laboratories, NEC Corporation, 1-1-4 Miyazaki, Kawasaki 216, Japan
c SPring-8, Japan Atomic Energy Research Institute, SPring-8, Kamigori-cho, Ako-gun, Hyogo 678-12, Japan
Available online 19 March 1999.
Abstract
We investigated surface and interfacial roughness in the magnetic multilayers by using neutron off-specular diffuse scattering. Single crystals of Fe/Cr multilayers with different interfacial roughnesses between Fe and Cr layers were used as samples. Interfacial roughness appeared around the antiferromagnetic Bragg peak from the antiferromagnetic structure in the profile of the off-specular diffuse scattering. The profile was very sensitive to the interfacial roughness which were modified by substrates, condition of crystal growth and external magnetic fields. This indicates that neutron off-specular diffuse scattering is a promising tools for the investigation of interfacial magnetism.
Author Keywords: Neutron off-specular diffuse scattering; Surface; Interface; Roughness; Magnetic disorder
*Corresponding author. Fax:+81 22 217 6489; e-mail: takeda@iiyo.phys.tohoku.ac.jp.
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