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New vanadium oxides with perovskite type structure: AThV/sub 2/O/sub 6/ (A=Ca,Sr)

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Abstract

New perovskite oxides of the formula AThV/sub 2/O/sub 6/ (A=Ca,Sr) have been prepared by reduction of the corresponding AThV/sub 2/O/sub 8/ under hydrogen atmosphere. CaThV/sub 2/O/sub 6/ crystallizes in an orthorhombic LaVO/sub 3/ type structure, while the strontium compound exhibiting cation-deficient nonstoichiometry. SrThsub(1-x)V/sub 2/O/sub 6/ (x approx. 0.4), is cubic. The magnetic susceptibility behaviour of the calcium compound is similar to that of V/sup 3 +/ perovskites, while the strontium compound exhibits a large increase in susceptibility below 130K, the behaviour being likely to be associated with the mixed-valence character of vanadium.
Authors:
Publication Date:
Jul 01, 1982
Product Type:
Journal Article
Reference Number:
AIX-17-027178; EDB-86-088422
Resource Relation:
Journal Name: Indian J. Chem., Sect. A; (India); Journal Volume: 21:7
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; CALCIUM OXIDES; STRUCTURAL CHEMICAL ANALYSIS; STRONTIUM OXIDES; THORIUM OXIDES; VANADIUM OXIDES; HYDROGEN; LOW TEMPERATURE; MAGNETIC SUSCEPTIBILITY; MEDIUM TEMPERATURE; PEROVSKITE; REDUCTION; TEMPERATURE DEPENDENCE; VANADATES; X-RAY DIFFRACTION; ACTINIDE COMPOUNDS; ALKALINE EARTH METAL COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; CHEMICAL REACTIONS; COHERENT SCATTERING; DIFFRACTION; ELEMENTS; MAGNETIC PROPERTIES; MINERALS; NONMETALS; OXIDE MINERALS; OXIDES; OXYGEN COMPOUNDS; PEROVSKITES; PHYSICAL PROPERTIES; SCATTERING; STRONTIUM COMPOUNDS; THORIUM COMPOUNDS; TITANIUM COMPOUNDS; TITANIUM OXIDES; TRANSITION ELEMENT COMPOUNDS; VANADIUM COMPOUNDS; 400201* - Chemical & Physicochemical Properties; 400702 - Radiochemistry & Nuclear Chemistry- Properties of Radioactive Materials
OSTI ID:
5815691
Research Organizations:
Indian Inst. of Science, Bangalore. Solid State and Structural Chemistry Unit
Country of Origin:
India
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: IJCAD
Submitting Site:
INIS
Size:
Pages: 716-717
Announcement Date:
Apr 01, 1986

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Citation Formats

Vidyasagar, K, and Gopalakrishnan, J. New vanadium oxides with perovskite type structure: AThV/sub 2/O/sub 6/ (A=Ca,Sr). India: N. p., 1982. Web.
Vidyasagar, K, & Gopalakrishnan, J. New vanadium oxides with perovskite type structure: AThV/sub 2/O/sub 6/ (A=Ca,Sr). India.
Vidyasagar, K, and Gopalakrishnan, J. 1982. "New vanadium oxides with perovskite type structure: AThV/sub 2/O/sub 6/ (A=Ca,Sr)." India.
@misc{etde_5815691,
title = {New vanadium oxides with perovskite type structure: AThV/sub 2/O/sub 6/ (A=Ca,Sr)}
 author = {Vidyasagar, K, and Gopalakrishnan, J}
 abstractNote = {New perovskite oxides of the formula AThV/sub 2/O/sub 6/ (A=Ca,Sr) have been prepared by reduction of the corresponding AThV/sub 2/O/sub 8/ under hydrogen atmosphere. CaThV/sub 2/O/sub 6/ crystallizes in an orthorhombic LaVO/sub 3/ type structure, while the strontium compound exhibiting cation-deficient nonstoichiometry. SrThsub(1-x)V/sub 2/O/sub 6/ (x approx. 0.4), is cubic. The magnetic susceptibility behaviour of the calcium compound is similar to that of V/sup 3 +/ perovskites, while the strontium compound exhibits a large increase in susceptibility below 130K, the behaviour being likely to be associated with the mixed-valence character of vanadium.}
 journal = []
 volume = {21:7}
 journal type = {AC}
 place = {India}
 year = {1982}
 month = {Jul}
 }