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Experimental study reveals effects of hydrogenation on magnetocaloric and magnetostriction in GdH<sub>0.15</sub>, suggesting complex interactions.
The magnetocaloric effect (MCE) and anomalies of magnetostriction behavior were studied at the order-order and order-disorder magnetic phase transitions in hydrided Gd single crystal grown by a modified Czochralski method. The composition GdH0.15 was obtained using a Sievert-type apparatus. While parent Gd shows an isotropic MCE at the order-disorder phase transition, the effect is anisotropic in GdH0.15 due to the appearance of local anisotropy. We investigate in detail the temperature variation of the longitudinal, transverse, volume, and anisotropic magnetostriction. Hydrogenation is found to influence both the magnitude and the sign of the magnetostriction constants <tex-math notation="LaTeX">λᵢⱼα</tex-math>.
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Политова et al. (2022) studied this question.
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