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Chemical synthesis; X-ray diffraction; electrical properties; magnetic properties.

The layered perovskite oxide, GdSr₂MnCrO₇, has been prepared by the standard ceramic method. The powder X-ray diffraction studies suggest that the phase crystallizes with tetragonal unit cell in the space group 𝐼4/𝑚𝑚𝑚. The electrical transport properties show that the phase is an electrical insulator and the electrical conduction in the phase occurs by a 3D variable range hopping mechanism. The magnetic properties suggest that the ferromagnetic interactions are dominant in the high temperature region.

Devinder Singh¹ Meena Sharma¹ Sushma Sharma¹ Rajinder Singh¹

1. Department of Chemistry, University of Jammu, Jammu 180 006, India

Published

August 2011

Manuscript received

11 October 2010

Manuscript revised

9 December 2010