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作者:

Tang, Zhi-Hua (Tang, Zhi-Hua.) | Chen, Xuean (Chen, Xuean.) | Li, Ming (Li, Ming.)

收录:

EI Scopus SCIE

摘要:

A new strontium borate, Sr2B16O26, has been prepared by solid-state reactions at temperature below 750 degrees C. The single-crystal X-ray structural analysis showed that Sr2B16O26 crystallizes in the monoclinic space group P2(l)/c with a= 8.408(1) angstrom, b= 16.672(2) angstrom, c= 13.901(2) angstrom, beta = 106.33(1)degrees, and Z = 4. Its crystal structure consists of a 3D network of the complex borate anion [B16O20O12/2](4-), formed by 12 BO3 triangles and 4 BO4 tetrahedra, which can be viewed as 3 linked [B3O3O4/2](-) triborate groups bonded to 1 pentaborate [B5O6O4/2](-) group and 2 BO3 triangles; this leads to a Fundamental Building Block (FBB) with the shorthand notation 16: infinity (3)[3 x (3:2 Delta + T) + (5:4 Delta + T) + 2 Delta]. The 3D network affords intersecting open channels running parallel to the crystallographic a and c axes, where Sr2+ cations reside. The IR spectrum further confirms the presence of both BO3 and BO4 groups. (C) 2007 Elsevier Masson SAS. All rights reserved.

关键词:

borate crystal structure Sr2B16O26 synthesis

作者机构:

  • [ 1 ] [Chen, Xuean]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100022, Peoples R China
  • [ 2 ] [Li, Ming]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100022, Peoples R China
  • [ 3 ] [Tang, Zhi-Hua]Shaanxi Univ Technol, Sch Chem & Environm Sci, Hanzhong City 723001, Shaanxi Prov, 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 :

SOLID STATE SCIENCES

ISSN: 1293-2558

年份: 2008

期: 7

卷: 10

页码: 894-900

3 . 5 0 0

JCR@2022

ESI学科: PHYSICS;

JCR分区:2

被引次数:

WoS核心集被引频次: 25

SCOPUS被引频次: 24

ESI高被引论文在榜: 0 展开所有

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