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Author Rodriguez, E.; Luzuriaga, J.; Dovidio, C.A.; Esparza, D.A.
Title Softening of the flux-line structure in La1.8Sr0.2CuO4 measured by a vibrating reed Type Journal Article
Year 1990 Publication Physical Review B Abbreviated Journal Phys. Rev. B
Volume 42 Issue 16 Pages 10796-10799
Abstract Vibrating-reed measurements in La1.8Sr0.2CuO4 in a magnetic field show that the flux-line structure (FLS) becomes uncoupled from the material at a temperature TH of 23 K, much below the critical temperature of the sample, which is 32 K. The behavior is similar to that found in Bi2Sr2CaCu2O8 but shows some significant differences, the most important being that TH changes little with magnetic field throughout the measured field range (0.01 TH1 T). For low fields, TH is below the reversibility line of the magnetization. This seems to imply that the reversibility line and the line at which the FLS softens have to be considered as distinct physical phenomena. It is argued that neither flux-lattice melting nor giant flux creep considered separately can account for the data in a wholly satisfactory manner.
Address Centro Atmico Bariloche, (8400) Bariloche, Argentina
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume (down) Series Issue Edition
ISSN 01631829 (ISSN) ISBN Medium
Area Expedition Conference
Notes Cited By (since 1996): 2; Export Date: 28 April 2009; Source: Scopus; doi: 10.1103/PhysRevB.42.10796; Language of Original Document: English; Correspondence Address: Rodrguez, E.; Centro Atmico Bariloche (8400) Bariloche, Argentina Approved no
Call Number BT @ luzuriag @ Serial 489
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