Issue 113, 2016, Issue in Progress

Structural, magnetic and electronic properties of iron doped barium strontium titanate

Abstract

The structural, magnetic, and electronic properties of iron doped barium strontium titanate (Ba0.7Sr0.3FexTi1−xO3 where x = 0, 0.1, 0.2, 0.3; BSTF) solid solutions synthesized via solid state reaction route were investigated. X-ray diffraction patterns of all the samples clearly show phase formation with the absence of impurity peaks. The Rietveld refinement confirmed the coexistence of the tetragonal and cubic phase for samples with Fe content x = 0, 0.1 and pure cubic phase for x > 0.1. The MH hysteresis curves for samples with composition x = 0.1 and 0.2 exhibit paramagnetic behaviour even at low temperatures and the composition with x = 0.3 shows the nature of weak ferro- and ferri-magnetic orderings at about 2 K. X-ray absorption near edge structure (XANES) spectroscopy reveals the presence of Fe2+ with an increase in the Fe content and also the mixed valence states of Fe ions.

Graphical abstract: Structural, magnetic and electronic properties of iron doped barium strontium titanate

Supplementary files

Article information

Article type
Paper
Submitted
26 Aug 2016
Accepted
20 Nov 2016
First published
21 Nov 2016

RSC Adv., 2016,6, 112363-112369

Structural, magnetic and electronic properties of iron doped barium strontium titanate

A. Kaur, A. Singh, L. Singh, S. K. Mishra, P. D. Babu, K. Asokan, S. Kumar, C. L. Chen, K. S. Yang, D. H. Wei, C. L. Dong, C. H. Wang and M. K. Wu, RSC Adv., 2016, 6, 112363 DOI: 10.1039/C6RA21458D

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