Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Crystal-structure refinement, thermal expansion, and chemical distortion of Bi2Ga4O9. / Filatov, S. K.; Krivovichev, S. V.; Aleksandrova, Yu V.; Bubnova, R. S.; Egorysheva, A. V.; Burns, P.; Kargin, Yu F.; Volkov, V. V.
в: Russian Journal of Inorganic Chemistry, Том 51, № 6, 06.2006, стр. 878-883.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Crystal-structure refinement, thermal expansion, and chemical distortion of Bi2Ga4O9
AU - Filatov, S. K.
AU - Krivovichev, S. V.
AU - Aleksandrova, Yu V.
AU - Bubnova, R. S.
AU - Egorysheva, A. V.
AU - Burns, P.
AU - Kargin, Yu F.
AU - Volkov, V. V.
N1 - Funding Information: ACKNOWLEDGMENTS This work was supported by the Target Program of the Presidium of the Russian Academy of Sciences “Development of Methods of Preparation of Chemical Substances and Design of New Materials” of subprogram no. 8 and by the Ministry of Science and Education of the Russian Federation (grant no. 2.1.1.3077).
PY - 2006/6
Y1 - 2006/6
N2 - Single crystals of Bi2Ga4O9 are grown from a solution in a bismuth oxide melt. The structure (orthorhombic, space group Pbam, a = 7.918(2) Å, b = 8.299(2) Å, c = 5.894(2) Å, Z = 2) is refined to R = 0.052 in the anisotropic approximation based on single-crystal X-ray diffraction data. The structure is a framework. The bismuth(III) atoms are sixfold coordinated; gallium(III) exists in both tetrahedral and octahedral coordinations. The thermal expansion of Bi 2Ga4O9 is studied by high-temperature X-ray powder diffraction method and is found to be sharply anisotropic. A structural interpretation of the anisotropy is proposed. Chemical distortion in the Bi 2M4O9 compounds with M = Fe(III), Al, or Ga is analyzed and compared with the thermal expansion of Bi2Ga 4O9.
AB - Single crystals of Bi2Ga4O9 are grown from a solution in a bismuth oxide melt. The structure (orthorhombic, space group Pbam, a = 7.918(2) Å, b = 8.299(2) Å, c = 5.894(2) Å, Z = 2) is refined to R = 0.052 in the anisotropic approximation based on single-crystal X-ray diffraction data. The structure is a framework. The bismuth(III) atoms are sixfold coordinated; gallium(III) exists in both tetrahedral and octahedral coordinations. The thermal expansion of Bi 2Ga4O9 is studied by high-temperature X-ray powder diffraction method and is found to be sharply anisotropic. A structural interpretation of the anisotropy is proposed. Chemical distortion in the Bi 2M4O9 compounds with M = Fe(III), Al, or Ga is analyzed and compared with the thermal expansion of Bi2Ga 4O9.
UR - http://www.scopus.com/inward/record.url?scp=33746918947&partnerID=8YFLogxK
U2 - 10.1134/S0036023606060052
DO - 10.1134/S0036023606060052
M3 - Article
VL - 51
SP - 878
EP - 883
JO - Russian Journal of Inorganic Chemistry
JF - Russian Journal of Inorganic Chemistry
SN - 0036-0236
IS - 6
ER -
ID: 5069757