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Type: Artigo de periódico
Title: Columnar defects acting as passive internal field detectors
Author: Silhanek, AV
Civale, L
Avila, MA
Abstract: We have studied the angular dependence of the irreversible magnetization of several YBa2Cu3O7 and 2H-NbSe2 single crystals with columnar defects tilted off the c axis. At high magnetic fields, the irreversible magnetization M-i(Theta) exhibits a well-known maximum when the applied field is parallel to the tracks. As the field is decreased below Hsimilar to0.02H(c2), the peak shifts away from the tracks' direction toward either the c axis or the ab planes. We demonstrate that this shift results from the misalignment between the external and internal field directions due to the competition between anisotropy and geometry effects.
Country: EUA
Editor: American Physical Soc
Citation: Physical Review B. American Physical Soc, v. 65, n. 17, 2002.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.65.174525
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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