2006
DOI: 10.1103/physrevb.73.064402
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Abstract: RCu 2 ͑R = rare earth͒ is presented as the first magnetic shape memory ͑MSM͒ alloy with the magnetic anisotropy of rare earth ions as impelling force. Besides La 2−x Sr x CuO 4 RCu 2 is the second known antiferromagnetic MSM-compound system. However, longrange magnetic order is not necessary for the MSM effect here. Microstructural changes are occurring even above the magnetic ordering temperature because the magnetic anisotropy gives a strong effect also in the paramagnetic state. RCu 2 compounds have a pseud…

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