Temperature dependence of C-60 Raman spectra up to 840 K

Talyzin AV; Dzwilewski A; Wagberg T

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Temperature dependence of C-60 Raman spectra up to 840 K

机译：高达840 K的C-60拉曼光谱的温度依赖性

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High temperature study of solid C-60, pristine and polymerized, was performed by Raman spectroscopy up to 843 K and 573 K respectively. The peak position of the A(g)(2) mode showed a strong and non-linear temperature dependence which can be interpreted as a result of anharmonic effects. The temperature dependence of the A(g)(2) mode, characteristic for C-60 dimers, linear C-60 chains and tetratalonal C-60, was tracked up to the depolymerization temperature and showed a behavior similar to pristine C-60 but with less softening. These data could be used also as a reference for in situ studies of C-60 chemical transformations which occur at high temperatures, e.g. polymerization and doping with alkali metals. (c) 2006 Elsevier Ltd. All rights reserved.

机译：固态C-60（原始和聚合的）的高温研究分别通过拉曼光谱法进行，分别高达843 K和573K。 A（g）（2）模式的峰值位置表现出强烈的非线性温度依赖性，这可以解释为非谐波效应的结果。跟踪了A（g）（2）模式对C-60二聚体，线性C-60链和四烯醛C-60的特征的温度依赖性，直至解聚温度，并显示出与原始C-60相似的行为，但软化较少。这些数据也可以用作C-60化学转化的原位研究的参考。聚合和碱金属掺杂。（c）2006 Elsevier Ltd.保留所有权利。

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来源
《Solid State Communications》 |2006年第4期|p. 178-181|共4页
作者
Talyzin AV; Dzwilewski A; Wagberg T;
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作者单位

Umea Univ, Dept Phys, S-90187 Umea, Sweden;

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原文格式 PDF
正文语种 eng
中图分类固体物理学;
关键词
fullerenes; high temperature; Raman spectroscopy; polymers; MOLECULAR-DYNAMICS; SOLID C-60; POLYMERIZATION; FULLERENES; PRESSURE;

机译：富勒烯高温拉曼光谱聚合物分子动力学固体C-60聚合富勒烯压力;

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Temperature dependence of C-60 Raman spectra up to 840 K

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