Spin-wave theory of spin-polarized electron energy loss spectroscopy (SPEELS) measurements in 5 ML Fe film deposited on W(110)

被引：0

作者：

Mamica, S. ^{[1
]}

Puszkarski, H. ^{[1
]}

机构：

[1] Adam Mickiewicz Univ, Inst Phys, Surface Phys Div, PL-61614 Poznan, Poland

来源：

MATERIALS SCIENCE-POLAND | 2008年 / 26卷 / 04期

关键词：

spin waves; SPEELS; ultrathin Fe film;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Detection of spin waves with higher wave vector values is now possible with spin-polarized electron energy loss spectroscopy (SPEELS), a method recently reported to have been applied for detecting spin waves in a range of wave vector values covering in principle the whole Brillouin zone. This paper presents a comparison of spin-wave spectra resulting from our theoretical investigations (within the model based on a bilinear Hamiltonian expressed in second-quantization formalism) with the corresponding SPEELS results obtained recently for 5 ML Fe film deposited on W(110). By considering the mixed bcc-fcc film structure we were able to explain details of the reported SPEELS spectra, indicating the surface character of the modes associated with the observed peaks.

引用

页码：989 / 993

页数：5

共 43 条

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