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Synthesis and Magnetic Properties of Silver-Doped Iron Dichromium Tetrasulfide

Synthesis and Magnetic Properties of Silver-Doped Iron Dichromium Tetrasulfide —We have synthesized Fe1 –xAgxCr2S4 (0 < x < 0.5) solid solutions via doping of the FeCr2S4 thiochromite with silver. From a break in the composition dependence of the unit-cell parameter for the synthesized materials, the solid solution series has been shown to be limited by x = 0.22. The magnetic properties of the solid solutions have been studied at temperatures from 4 to 300 K in a magnetic field H = 3980 A/m (50 Oe). All of the materials have been shown to be ferrimagnets with a Curie temperature rising with silver concentration: from 185 K at x = 0 to 203 K at x = 0.22. We have determined saturation magnetic moments of the solid solutions and proposed a model that accounts for their observed magnetic properties. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Inorganic Materials Springer Journals

Synthesis and Magnetic Properties of Silver-Doped Iron Dichromium Tetrasulfide

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References (32)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2020
ISSN
0020-1685
eISSN
1608-3172
DOI
10.1134/S0020168520080014
Publisher site
See Article on Publisher Site

Abstract

—We have synthesized Fe1 –xAgxCr2S4 (0 < x < 0.5) solid solutions via doping of the FeCr2S4 thiochromite with silver. From a break in the composition dependence of the unit-cell parameter for the synthesized materials, the solid solution series has been shown to be limited by x = 0.22. The magnetic properties of the solid solutions have been studied at temperatures from 4 to 300 K in a magnetic field H = 3980 A/m (50 Oe). All of the materials have been shown to be ferrimagnets with a Curie temperature rising with silver concentration: from 185 K at x = 0 to 203 K at x = 0.22. We have determined saturation magnetic moments of the solid solutions and proposed a model that accounts for their observed magnetic properties.

Journal

Inorganic MaterialsSpringer Journals

Published: Aug 31, 2020

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