Anisotropy of superconducting single crystal SmFeAsO_(0.8)F_(0.2) studied by torque magnetometry

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dc.creatorWeyeneth, S.
dc.creatorPuzniak, R.
dc.creatorMosele, U.
dc.creatorZhigadlo, N. D.
dc.creatorKatrych, S.
dc.creatorBukowski, Z.
dc.creatorKarpinski, J.
dc.creatorKohout, S.
dc.creatorRoos, J.
dc.creatorKeller, H.
dc.date2008-06-05
dc.date2009-01-05
dc.date.accessioned2026-07-07T12:54:37Z
dc.date.available2026-07-07T12:54:37Z
dc.descriptionSingle crystals of the oxypnictide superconductor SmFeAsO_(0.8)F_(0.2) with T_c=45(1) K were investigated by torque magnetometry. The crystals of mass~0.1 mug were grown by a high-pressure cubic anvil technique. The use of a high-sensitive piezoresistive torque sensor made it possible to study the anisotropic magnetic properties of these tiny crystals. The anisotropy parameter was found to be field independent, but varies strongly with temperature ranging from 8 at T=T_c to 23 at T=0.4T_c. This unusual behavior signals unconventional superconductivity.
dc.descriptionaccepted for publication in J. Supercond. Nov. Magn
dc.identifierhttps://arxiv.org/abs/0806.1024
dc.identifierhttp://arxiv.org/abs/0806.1024
dc.identifierJ. Supercond. Nov. Magn. 22, 325 (2009)
dc.identifierdoi:10.1007/s10948-008-0413-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223998
dc.subjectSuperconductivity
dc.subjectMaterials Science
dc.titleAnisotropy of superconducting single crystal SmFeAsO_(0.8)F_(0.2) studied by torque magnetometry
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