A NEW BISMUTH VANADIUM ANTIMONY OXIDE RELATED TO AURIVILLIUS PHASES (BI4V1.5SB0.5O10.7)

被引:24
作者
JOUBERT, O
JOUANNEAUX, A
GANNE, M
TOURNOUX, M
机构
[1] Institut des Matériaux de Nantes, 44072 Nantes Cedex 03
关键词
BISMUTH; VANADIUM; ANTIMONY; OXIDES; AURIVILLIUS PHASES;
D O I
10.1016/0025-5408(92)90231-N
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new mixed valence Aurivillius Phase Bi4V1.5Sb0.5O10.7 has been prepared and characterized. The structure is orthorhombic with a = 5.486(2)angstrom, b = 5.513(2)angstrom, c = 15.559(3)angstrom, Z = 2 and was refined from single-crystal data in space group Fmmm. The structure is derived from the Aurivillius basic form in which Bi2O2 layers are interleaved with oxygen lacunary perovskite like layers. A XPS study has shown the presence of Sb(V) and vanadium in both V(IV) and V(V) valence states.
引用
收藏
页码:1235 / 1242
页数:8
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