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- W2801491806 abstract "Single phase samples of Gd1−xYxCrO3 (x = 0.0–1.0) were prepared by sol-gel method. Lattice parameters obtained from the Rietveld refinement are found to decrease from a = 5.3129 Å, b = 5.5210 Å, and c = 7.6040 Å for x = 0 to a = 5.2428 Å, b = 5.5208 Å and c = 7.5340 Å for x = 1.0. The temperature variation of magnetization measurements show that all samples exhibit antiferromagnetic transitions and the Neel temperature (TN) decreases from TN = 174 K for x = 0.0 to 142 K for x = 1.0. Interesting magnetization reversal behavior is observed as the temperature is lowered from TN under field cooled condition and the magnetic compensation temperature, Tcomp is found to decrease from 136 K for x = 0 to 42 K for x = 0.70. These samples exhibit tunable positive and negative exchange bias fields with a maximum negative value of −1.17 kOe for x = 0.50. The origin of magnetization reversal and exchange bias field is explained by considering the competition between the paramagnetic moment of Gd3+ ions under the influence of negative internal field and the weak ferromagnetic component of Cr3+ ions due to canted antiferromagnetic ordering." @default.
- W2801491806 created "2018-05-17" @default.
- W2801491806 creator A5059388324 @default.
- W2801491806 creator A5066330045 @default.
- W2801491806 date "2018-09-01" @default.
- W2801491806 modified "2023-10-16" @default.
- W2801491806 title "Magnetization reversal and exchange bias study in bulk Gd 1− x Y x CrO 3 ( x = 0.0–1.0)" @default.
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- W2801491806 doi "https://doi.org/10.1016/j.jmmm.2018.04.052" @default.
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