首页> 外文期刊>Zeitschrift fur Naturforschung. A, A journal of physical sciences >Change in ~(51)V Relaxation Rates due to CDW in CuV_2S_4
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Change in ~(51)V Relaxation Rates due to CDW in CuV_2S_4

机译:CuV_2S_4中CDW导致〜(51)V弛豫率的变化

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摘要

The temperature variations of the ~(63)Cu, ~(65)Cu and ~(51)V NMR spectra and ~(51)V spin-lattice relaxation rate 1/T_1 have been measured in a thiospinel CuV_2S_4. Drastic changes in the spectra and relaxation rates were observed at the charge density wave (CDW) transition temperature. With decreasing temperature T, 1/T_1 decreases exponentially due to the CDW transition (75 K < T < 90 K). The energy gap made by the CDW formation at 90 K is estimated to be 0.052 eV from an Arrhenius plot of 1/T_1.
机译:在硫代松油CuV_2S_4中测量了〜(63)Cu,〜(65)Cu和〜(51)V NMR光谱的温度变化以及〜(51)V自旋晶格弛豫速率1 / T_1。在电荷密度波(CDW)转变温度下观察到光谱和弛豫率的剧烈变化。随着温度T的降低,1 / T_1由于CDW跃迁而呈指数下降(75 K

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