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Crystal structure of ferroelectric sodium meta vanadate, NaVO3

Ramam, K and Shaikh, AM and Reddy, B Swaminatha and Viswamitra, MA (1975) Crystal structure of ferroelectric sodium meta vanadate, NaVO3. In: Ferroelectrics, 9 (1-2). 49 -56.

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The crystal structure of ferroelectric sodium meta vanadate, NaVO3 has been solved using three dimensional X-ray data and refined to an R-value of 0.077 for 375 observed reflections. The crystal belongs to the monoclinic system with space group Cc and with unit cell dimensions a = 10.494 (9) Aring, b = 9.434 (7) Aring, c = 5.863 (6) Aring and β = 108° 48' in the room temperature ferroelectric phase. The unit cell dimensions in the high temperature paraelectric phase (above 380°C) are a = 10.595 (15) Aring, b = 9.671 (10) Aring, c = 5.926 (8) Aring and β = 108° 45' with space group C2/c. The crystal structure may be viewed as consisting of alternate channels of sodium polyhedra and VO4 tetrahedra.

Item Type: Journal Article
Publication: Ferroelectrics
Publisher: Taylor and Francis Group
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 15 Jan 2010 10:34
Last Modified: 15 Jan 2010 10:34
URI: http://eprints.iisc.ac.in/id/eprint/23948

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