BaO-B2O3 system and its mysterious member Ba3B2O6

被引：22

作者：

Bekker, Tatyana B. ^{[1
,2
,3
]}

Rashchenko, Sergey V. ^{[1
,2
]}

Seryotkin, Yurii V. ^{[1
,2
]}

Kokh, Alexander E. ^{[1
]}

Davydov, Aleksey V. ^{[1
]}

Fedorov, Pavel P. ^{[4
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Sobolev Inst Geol & Mineral, Novosibirsk, Russia

[2] Novosibirsk State Univ, Novosibirsk, Russia

[3] Novosibirsk State Acad Architecture & Arts, Novosibirsk, Russia

[4] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow, Russia

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2018年 / 101卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

Borates; boron oxide; crystals; crystallization; phase diagrams; structure; CRYSTAL-STRUCTURE; LIQUID IMMISCIBILITY; BARIUM TETRABORATE; BORATE; LUMINESCENCE; BETA-BAB2O4; GROWTH; FORM;

D O I：

10.1111/jace.15194

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The first systematic study of the BaO-B2O3 system and barium orthoborate Ba3B2O6 (3BaOB(2)O(3)) was reported in 1949. Thereafter, the system was repeatedly refined but the structure of Ba3B2O6 compound has not been adequately studied yet. In our study we have, for the first time, obtained the crystalline samples of Ba3B2O6. The solved structure (Pbam, a = 13.5923(4) angstrom, b = 13.6702(4) angstrom, c = 14.8894(3) angstrom) belongs to the class of anti-zeolite' borates with a pseudotetragonal [Ba-12(BO3)(6)](6+) cation pattern which contains channels along the c axis filled with anionic clusters. The Ba3B2O6 compound may be regarded as a fluorine-free end-member of the Ba-3(BO3)(2-x)F-3x solid solution. The BaO-B2O3 phase diagram presented in our study is based on our research and literature data.

引用

页码：450 / 457

页数：8

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