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Title: Anisotropic phonon density of states in FePt nanoparticles with L1_{0} structure
Authors: Tamada, Yoshinori
Masuda, Ryo
Togo, Atsushi
Yamamoto, Shinpei  KAKEN_id
Yoda, Yoshitaka
Tanaka, Isao  kyouindb  KAKEN_id  orcid (unconfirmed)
Seto, Makoto  kyouindb  KAKEN_id
Nasu, Saburo
Ono, Teruo  kyouindb  KAKEN_id
Author's alias: 玉田, 芳紀
Issue Date: Apr-2010
Publisher: The American Physical Society
Journal title: Physical Review B
Volume: 81
Issue: 13
Thesis number: 132302
Abstract: The phonon states of iron atoms in the easy-axis aligned L1_{0}-FePt nanoparticles were investigated using 57Fe nuclear-resonant inelastic scattering. It was revealed that the phonon density of states (PDOS) in the L1_{0}-FePt has a pronounced anisotropy. To study the results from a theoretical point of view, we calculated the PDOS of the L1_{0}-FePt in the bulk state by means of the first-principles method. The results were in good agreement with the experimental results.
Rights: © 2010 The American Physical Society
DOI(Published Version): 10.1103/PhysRevB.81.132302
Appears in Collections:Journal Articles

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