场上下模型及其在YbCl3.6H2O顺磁弛豫中的应用

Le Journal De Physique Colloques Pub Date : 1996-03-01 DOI:10.1051/JPHYSCOL/1979250

H. Winkler, P. Alwardt, E. Gerdau

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引用次数: 0

摘要

如果考虑声子色散，在45 K时，ybcl3.6 h2o弛豫速率的温度依赖性可以用拉曼过程来解释。用场上下模型对实测的穆斯堡尔谱进行了分析。指出在光谱中除了常见的洛伦兹项外，还发现了“类色散”项。

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THE FIELD UP-DOWN MODEL AND ITS APPLICATION TO PARAMAGNETIC RELAXATION IN YbCl3.6H2O

The temperature dependence of the relaxation rates in YbCl 3 .6H 2 O up to 45 K can be explained by the Raman pro cess if phonon dispersion is considered. The analysis of the measured Mossbauer spectra has been performed by means of the field up-down model. It is pointed out that there are found "dispersionlike" terms in the spectra in addition to the usual Lorentzians.

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Le Journal De Physique Colloques

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