Pre-treated and treated hydrothermal preparation of NaVP2O7·H2O crystalline material and its characterization

Mahesh, M. J. and Gopalakrishna, G. S. and Ashamanjari (2006) Pre-treated and treated hydrothermal preparation of NaVP2O7·H2O crystalline material and its characterization. Materials Characterization, 57 (1). 30 - 35. ISSN 1873-4189

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Official URL: https://doi.org/10.1016/j.matchar.2005.12.002

Abstract

NaVP2O7·H2O crystalline material was synthesized by a hydrothermal technique at moderate P–T condition. The resultant material was characterized by SEM, powder XRD, DTA, FTIR and magnetic susceptibility studies. Powder X-ray studies revealed that the NaVP2O7·H2O compound has crystallized in monoclinic system with cell parameters a=22.1737, b=8.0520, c=11.4670 Å, β=103.751, V=1988.66 Å3. Repetitive hydrothermal treatment of the material yielded improved size and quality of crystals. Magnetically this material is paramagnetic; however the μeff decreased as the size of the crystals increased.

Item Type: Article
Uncontrolled Keywords: Hydrothermal synthesis, Vanadium phosphate, XRD, DTA, FT-IR, Paramagnetic
Subjects: F Earth Science > Geology
Divisions: Department of > Earth Science
Depositing User: lpa manjunath user
Date Deposited: 17 Aug 2019 10:46
Last Modified: 17 Aug 2019 10:46
URI: http://eprints.uni-mysore.ac.in/id/eprint/6698

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