Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/107165
Type: Artigo de periódico
Title: Critical Current Study Using Ac Susceptibility Measurements In Er Ba2cu3o7-δ Crystal Showing The Fishtail Effect
Author: Cardoso C.A.
Avila M.A.
Ribeiro R.A.
De Lima O.F.
Abstract: Different χac measurements can be collapsed into a single curve if plotted against the ac penetration depth δ = h/Jd. Further, using this scaling law, it is possible to obtain the frequency dependence of the shielding current density J(ν, B, T). In this work, this scaling relation was tested for a Er Ba2Ou3O7-δ single crystal. The frequency dependence of J(ν, B, T) displays a behavior closely related with the second magnetization peak ("fishtail effect") observed in M × H curves. This result supports a dynamical interpretation for the fihtail effect. © 2000 Elsevier Science B.V. All rights reserved.
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Rights: fechado
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0343832332&partnerID=40&md5=d53fd55b64708262d392cad4df9f7739
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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