Synthesis and crystal structure of Bi6(Bi0.5Cu0.5)V2O15+y

Akanksha Gupta; S. Uma

doi:10.1016/j.jssc.2015.07.038

Synthesis and crystal structure of Bi₆(Bi_0.5Cu_0.5)V₂O_15+y

Akanksha Gupta, S. Uma

University of Delhi

Research output: Contribution to journal › Article › peer-review

Abstract

The structure of the oxide with composition Bi₆(Bi_0.5Cu_0.5)V₂O_15+y has been solved based on single crystal X-ray diffraction and is found to be monoclinic (S. G. I2), a=11.276(1) Å, b=5.4513(2) Å, c=11.055(3) Å, β=96.70°(1). The crystal was twinned by 180°rotoinversion about [1¯ 0 1] in the direct lattice as found in the the phosphates, Bi₆TiP₂O₁₆ and Bi_6+xM_1-xP₂O_15+y (M=Mn, Fe and Ni), wherein chains of edge sharing (OBi₄) tetrahedral units are connected by layers of VO₄ tetrahedra and (Bi/Cu)O_6-x (x=oxygen vacancies) octahedra.

Original language	English
Pages (from-to)	369-373
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	230
DOIs	https://doi.org/10.1016/j.jssc.2015.07.038
State	Published - 3 Aug 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Inc.

Funding

This work was supported by the DST ( SR/S1/PC-07/2011 ), Government of India and University of Delhi under the “Scheme to Strengthen R & D Doctoral Research Program”. We thank the USIC, DU for the SXRD facilities. AG thanks DST, Government of India for fellowships.

Funders	Funder number
Scheme to Strengthen R & D Doctoral Research Program
Department of Science and Technology, Ministry of Science and Technology, India	SR/S1/PC-07/2011
University of Delhi

Keywords

Bismuth copper vanadate
Crystal structure of Bi(BiCu)VO
UV-visible absorption

Access to Document

10.1016/j.jssc.2015.07.038

Cite this

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title = "Synthesis and crystal structure of Bi6(Bi0.5Cu0.5)V2O15+y",

abstract = "The structure of the oxide with composition Bi6(Bi0.5Cu0.5)V2O15+y has been solved based on single crystal X-ray diffraction and is found to be monoclinic (S. G. I2), a=11.276(1) {\AA}, b=5.4513(2) {\AA}, c=11.055(3) {\AA}, β=96.70°(1). The crystal was twinned by 180°rotoinversion about [1¯ 0 1] in the direct lattice as found in the the phosphates, Bi6TiP2O16 and Bi6+xM1-xP2O15+y (M=Mn, Fe and Ni), wherein chains of edge sharing (OBi4) tetrahedral units are connected by layers of VO4 tetrahedra and (Bi/Cu)O6-x (x=oxygen vacancies) octahedra.",

keywords = "Bismuth copper vanadate, Crystal structure of Bi(BiCu)VO, UV-visible absorption",

author = "Akanksha Gupta and S. Uma",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier Inc.",

year = "2015",

month = aug,

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doi = "10.1016/j.jssc.2015.07.038",

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N2 - The structure of the oxide with composition Bi6(Bi0.5Cu0.5)V2O15+y has been solved based on single crystal X-ray diffraction and is found to be monoclinic (S. G. I2), a=11.276(1) Å, b=5.4513(2) Å, c=11.055(3) Å, β=96.70°(1). The crystal was twinned by 180°rotoinversion about [1¯ 0 1] in the direct lattice as found in the the phosphates, Bi6TiP2O16 and Bi6+xM1-xP2O15+y (M=Mn, Fe and Ni), wherein chains of edge sharing (OBi4) tetrahedral units are connected by layers of VO4 tetrahedra and (Bi/Cu)O6-x (x=oxygen vacancies) octahedra.

AB - The structure of the oxide with composition Bi6(Bi0.5Cu0.5)V2O15+y has been solved based on single crystal X-ray diffraction and is found to be monoclinic (S. G. I2), a=11.276(1) Å, b=5.4513(2) Å, c=11.055(3) Å, β=96.70°(1). The crystal was twinned by 180°rotoinversion about [1¯ 0 1] in the direct lattice as found in the the phosphates, Bi6TiP2O16 and Bi6+xM1-xP2O15+y (M=Mn, Fe and Ni), wherein chains of edge sharing (OBi4) tetrahedral units are connected by layers of VO4 tetrahedra and (Bi/Cu)O6-x (x=oxygen vacancies) octahedra.

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KW - Crystal structure of Bi(BiCu)VO

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