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作者:

Chen, Xuean (Chen, Xuean.) | Zhang, Li (Zhang, Li.) | Chang, Xinan (Chang, Xinan.) | Xue, Haiping (Xue, Haiping.) | Zang, Hegui (Zang, Hegui.) | Xiao, Weiqiang (Xiao, Weiqiang.) | Song, Xuemei (Song, Xuemei.) | Yan, Hui (Yan, Hui.)

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EI Scopus SCIE

摘要:

A novel lithium molybdenyl iodate, LiMoO3(IO3), has been prepared by hydrothermal reactions at 170 degrees C. Its crystal structure has been determined from single-crystal X-ray data: space group P2(1), a = 5.4104(4) angstrom, b = 5.3158(3) angstrom, c = 9.0025(7) angstrom, beta = 106.863(6)degrees, Z = 2. LiMoO3(IO3) is a new layered material containing [MoO3(IO3)](1-) anionic layers separated by Li+ cations. The anionic layer has an unprecedented configuration consisting Of WO3-type sheets "capped" by IO3- groups. The iodate groups have their stereochemically active nonbonded electron pairs align along the b-axis, which creates the polarity in the structure. Second-harmonic-generation measurements on LiMoO3(IO3) display a response of about 4 x KH2PO4. DTA measurements demonstrate that LiMoO3(IO3) is stable up to at least 430 degrees C. UV-vis diffuse reflectance spectrum of this compound shows a high degree of transparency from 1.1 to 2.8 eV and a band gap of about 2.8 eV. (c) 2006 Elsevier B.V. All rights reserved.

关键词:

crystal structure hydrothermal synthesis lithium molybdenyl iodate

作者机构:

  • [ 1 ] Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100022, Peoples R China
  • [ 2 ] Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100022, Peoples R China

通讯作者信息:

  • [Chen, Xuean]Beijing Univ Technol, Coll Mat Sci & Engn, Ping Le Yuan 100, Beijing 100022, Peoples R China

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来源 :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

年份: 2007

期: 1-2

卷: 428

页码: 54-58

6 . 2 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

JCR分区:1

被引次数:

WoS核心集被引频次: 67

SCOPUS被引频次: 70

ESI高被引论文在榜: 0 展开所有

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