Possible Phonon Density of States of High-Temperature Phase Structure of the Negative Thermal Expansion Compound ZrW2O8
作者： Yasuhisa Yamamura , Kazuya Saito
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摘要: To study the phonon properties of β-ZrW 2 O 8 showing negative thermal expansion (NTE), heat capacities Zr 1- x M W 8- y (M = Sc, Lu; 0.02, 0.04) at low temperatures were measured and analyzed. The analysis presents effective density states (DOS) , a rounded form around 5 meV. DOS is in marked contrast to that low-temperature phase ZrW their distinction consistent with difference NTE nature between two structures.
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