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Author:

王志鹏 (王志鹏.) | 宋文博 (宋文博.) | 赵艳 (赵艳.) (Scholars:赵艳) | 蒋毅坚 (蒋毅坚.) (Scholars:蒋毅坚) | 梁二军 (梁二军.)

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CQVIP PKU

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.

Keyword:

钼酸铝 负热膨胀 钼酸铬 钼酸铁 相变 拉曼光谱

Author Community:

  • [ 1 ] [王志鹏]郑州大学
  • [ 2 ] [宋文博]郑州大学
  • [ 3 ] [赵艳]北京工业大学
  • [ 4 ] [蒋毅坚]北京工业大学
  • [ 5 ] [梁二军]郑州大学

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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

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