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本文表明,单轴晶体的喇曼光谱,对于非极性模和A(z)(或B(z))模,在各种几何配置下,x轴和y轴都是等效的。极性模E(x)和E(y),对于四角和六角晶系,x轴和y轴大部分是等效的;而对于三角晶系,只有少部分是等效的。In this paper, we show that in Raman spectrum of uniaxial crystals, for nonpolar mode and A(z) (or B(z)) mode, under any scattering geometry, x-axis and y-axis are always equivalent. For polar mode E(x) and E(y), in the tetragonal and hexagonal crystal systems, x-axis and y-axis are equivalent in most cases; but in the trigonal crystal system, they are equivalent only in a few cases.
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