Soft hydrothermal synthesis and characterization of M+2O–Cr2O3–P2O5 fine crystalline materials

Gopalakrishna, G. S. and Mahesh, M. J. and Ashamanjari, K. G. (2005) Soft hydrothermal synthesis and characterization of M+2O–Cr2O3–P2O5 fine crystalline materials. Journal of Crystal Growth, 284 (3). 495 - 501. ISSN 0022-0248

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Official URL: https://doi.org/10.1016/j.jcrysgro.2005.07.010

Abstract

A series of M+2O–Cr2O3–P2O5 (M+=Na, K) materials have been synthesized via hydrothermal route. The resultant materials were characterized by SEM, powder XRD, FTIR and magnetic susceptibility studies. The powder X-ray studies revealed that the Na2O–Cr2O3–P2O5 material has crystallized in orthorhombic system with cell parameters a=20.76764, b=8.86712, c=8.53437Å, v=1571Å3 and K2O–Cr2O3–P2O5 material has crystallized in monoclinic system with and cell parameters a=11.8194, b=6.1518, c=11.0347Å, β=94.846, v=799.47Å3. Repetitive hydrothermal treatment yielded improved crystalline materials. Magnetically these are paramagnetic, however, the μeff decreased as the size of the material increased.

Item Type: Article
Uncontrolled Keywords: A1. Hydrothermal synthesis, A2. Crystalline material, B1. Powder XRD, B2. FTIR, B3. Paramagnetic
Subjects: F Earth Science > Geology
Divisions: Department of > Earth Science
Depositing User: manjula User
Date Deposited: 04 Sep 2019 10:10
Last Modified: 04 Sep 2019 10:10
URI: http://eprints.uni-mysore.ac.in/id/eprint/7554

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