Crystal optics of magnetoelectrics

Crystal optics of magnetoelectrics
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磁电晶体光学

DOI:
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发表时间:
1994
期刊:
影响因子:
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通讯作者:
R. Pisarev
R. Pisarev
中科院分区:
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文献类型:
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作者:
R. Pisarev

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磁电学中特殊的时空对称操作1′的存在,使得在透射和反射中可能出现的几种新的光学现象得以存在。其中包括非互易旋光双折射、光率体的旋转、非互易反射、电场诱导的非互易旋转。这些影响中的一些Cr2 O3的理论方面和实验观察进行了讨论。还讨论了由于磁电相互作用可能发生的非线性光学现象(BiFeO 3,磁性石榴石膜)。最后,我们讨论了在非中心对称晶体(CsCuCl_3,LiIO_3,Pb_5Ge_3 O_(11),Cd_(1-x)Mn_xTe,Te)中实验观察到的异常电磁光现象。
Abstract The presence in magnetoelecttics of the specific space-time symmetry operation 1′ allows the existence of several new optical phenomena that may occur in transmission and reflection. Among those are the nonreciprocal gyrotropic birefringence, the rotation of optical indicatrix, the nonreciprocal reflection, the electric field induced nonreciprocal rotation. Theoretical aspects and experimental observations of some of these effects in Cr2O3 are discussed. Nonlinear optical phenomena that can occur due to magnetoelectric interaction are also discussed (BiFeO3, magnetic garnet films). At the end we discuss unusual electromagnetooptical phenomena, observed experimentally in noncentrosymmetric crystals in the presence of magnetic field (CsCuCl3, LIIO3, Pb5Ge3O11, Cd1–xMnxTe, Te).