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Abstract:
用XRD、Raman光谱和DSC研究了Al2 (MoO4)3、Cr2( MoO4)3和Fe2 (MoO4)3的结构与相变.Al2(MoO4)3、Cr2 (MoO4)3和Fe2 (MoO4)3在室温下为单斜相,分别在483 K、673 K和783 K附近转变为正交相.发现MO4四面体的对称和反对称伸缩振动模的频率和相对强度明显受到A3+离子的影响.这些模的软化程度受A3+离子的影响依次为Fe>Cr>A1,与A3+离子半径和电负性对MO4四面体的键强和灵活性的影响密切相关.
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Source :
光散射学报
ISSN: 1004-5929
Year: 2011
Issue: 3
Volume: 23
Page: 250-256
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 8
Chinese Cited Count:
30 Days PV: 8
Affiliated Colleges: