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Interplay between superconductivity and magnetic ordering in Tb0.3Y0.7Ni2B2C single crystals

✍ Scribed by Ch. Cura; R. Schubert; S. Ewert

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 828 KB
Volume: 408-410
Category: Article
ISSN: 0921-4534
DOI: 10.1016/j.physc.2004.02.049

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✦ Synopsis

Magnetostriction and magnetization measurements on nonsuperconducting TbNi 2 B 2 C crystals and on superconducting Tb 0:3 Y 0:7 Ni 2 B 2 C single crystals were carried out in magnetic fields up to 8 T. Besides the antiferromagnetic transition at 15.5 K and the ferromagnetic transition at 9 K, isothermal scans on TbNi 2 B 2 C crystals show further three metamagnetic transitions, which vanish for temperatures greater than 10 K. Isofield measurements on the Tb 0:3 Y 0:7 Ni 2 B 2 C single crystals show a antiferromagnetic transition at 3.6 K. Furthermore our investigations indicate a ferromagnetic transition at 1.26 K. Investigations perpendicular and parallel to the AE0 0 1ae-axis of the Tb 0:3 Y 0:7 Ni 2 B 2 C single crystals show a pronounced anisotropic behavior.

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