Abstract
The magnetocaloric effect in half-metallic double perovskite Sr\(_{0.4}\)Ba\(_{1.6-x}\)Sr\(_{x}\)FeMoO\(_{6}\) (x = 0, 0.2, 0.4, 0.6) was investigated. It is shown that Sr\(_{0.4}\)Ba\(_{1.6-x}\)Sr\(_{x}\)FeMoO\(_{6}\) exhibits a magnetic entropy change of 0.078 J\(\,\cdot \, \)kg\(^{-1}\,\cdot \, \)K\(^{-1}\) upon 0.2 T magnetic field variation. Through these results, polycrystalline samples of Sr\(_{0.4}\)Ba\(_{1.6-x}\)Sr\(_{x}\)FeMoO\(_{6 }\) have some potential applications for magnetic refrigerants over a wide-temperature range, including room temperature.
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Hamad, M.A. Magnetocaloric Effect in Half-Metallic Double Perovskite Sr\(_{0.4}\)Ba\(_{1.6-x}\)Sr\(_{x}\)FeMoO\(_{6}\) . Int J Thermophys 34, 2144–2151 (2013). https://doi.org/10.1007/s10765-013-1536-6
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DOI: https://doi.org/10.1007/s10765-013-1536-6