The optical and magneto-optical properties of MnSbBi films

被引：1
|
作者：
Kravets, VG [1 ]
Poperenko, LV [1 ]
Yurgelevych, IV [1 ]
机构：
[1] Taras Shevchenko Kyiv Univ, Dept Phys, Kiev 22, Ukraine
来源：
OPTICAL MATERIALS | 2003年 / 21卷 / 04期
关键词：
optical and magneto-optical properties; Kerr effect; nanocrystalline films;
D O I：
10.1016/S0925-3467(02)00097-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The optical and magneto-optical properties of Mn(Sb1-xBix) films were investigated for incident photons within the energy range from 1.3 to 4.0 eV. The diagonal and off-diagonal optical conductivities were determined from the results of spectroscopic ellipsometry and the polar Kerr effect measurements. A large Kerr rotation angle of about 0.57degrees was observed at photon energy hw approximate to 2.65 eV for the Mn55Sb36Bi9 film with an average grain size of 30 nm. The changes of the exchange splitting and the spin-orbit interaction strength are responsible for the strong spectral dependence of the Kerr effect in Mn(Sb1-xBix) nanocrystalline films. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码：765 / 774
页数：10
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