Temperature effects in phonon dispersion
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P.A. Alekseev; A.S. Ivanov; V.N. Lazukov; I.P. Sadikov; A. Severing
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Article
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1992
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Elsevier Science
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English
⚖ 286 KB
## Temperature dependence of previously discovered anomalies in SmB, acoustic and low-lying optic phonon branches was investigated on three-axis and time-of-flight spectrometers. The largest changes in phonon frequencies with respect to the room temperature data were found for longitudinal branch