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Lattice vibrations of glasses

机译:眼镜的晶格振动

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Measurements of the thermal conductivity of glasses have led to a model of their lattice vibrations. They are not described as waves, as they are in crystals, but as uncorrelated harmonic motions of individual atoms. The lattice vibrations of fully cerammed, crystalline glass ceramics have been found to be either waves, as in crystals, or vibrations of individual atoms, as in glasses. The understanding of the cause for this different behavior has been aided by studies of systematically doped crystals. (c) 2006 Elsevier B.V. All rights reserved.
机译:玻璃的热导率的测量导致了其晶格振动的模型。它们没有像在晶体中那样被描述为波,而是被描述为单个原子不相关的谐波运动。已经发现,完全陶瓷的晶体玻璃陶瓷的晶格振动要么是波动,如晶体,要么是单个原子的振动,如玻璃。对系统掺杂晶体的研究有助于理解这种不同行为的原因。 (c)2006 Elsevier B.V.保留所有权利。

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