拉曼光谱
化学
离子键合
分析化学(期刊)
物理化学
分子振动
离子半径
取代基
德拜模型
结晶学
离子
立体化学
物理
热力学
有机化学
光学
色谱法
作者
Aleksandra Mielewczyk‐Gryń,Sebastian Wachowski,Kacper Dzierzgowski,Iga Szpunar,Judyta Strychalska‐Nowak,Tomasz Klimczuk,M. Sawczak,Maria Gazda
标识
DOI:10.1002/cphc.202200368
摘要
LaNb0.8 M0.2 O4-δ (where M=As, Sb, V, and Ta) oxides with pentavalent elements of different ionic sizes were synthesized by a solid-state reaction method. The vibrational properties of these oxides have been investigated. These studies revealed that the substituent element influences both Debye temperature value as well as the Raman active vibrational modes. Additionally, the low-temperature vibrational properties of LaNb0.8 Sb0.2 O4-δ have been determined to show the phase transition occurrence at 260 K which is lower than previously reported.
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