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Author (up) Valenzuela, S.O.; Maiorov, B.; Osquiguil, E.; Bekeris, V. url  openurl
  Title Elastic-to-plastic crossover below the peak effect in the vortex solid of YBa2Cu3O7 single crystals Type Journal Article
  Year 2002 Publication Physical Review B – Condensed Matter and Materials Physics Abbreviated Journal Phys. Rev. B Condens. Matter Mater. Phys.  
  Volume 65 Issue 6 Pages 605041-605044  
  Keywords barium; copper; yttrium; analytic method; article; crystal structure; elasticity; molecular interaction; stress; structure analysis; temperature; vortex motion  
  Abstract We report on transport and ac susceptibility studies below the peak effect in twinned YBa2Cu3O7 single crystals. We find that disorder generated at the peak effect can be partially inhibited by forcing vortices to move with an ac driving current. The vortex system can be additionally ordered below a well-defined temperature where elastic interactions between vortices overcome pinning-generated stress and a plastic-to-elastic crossover seems to occur. The combined effect of these two processes results in vortex structures with different mobilities that give place to history effects.  
  Address Physics Department, Harvard University, Cambridge, MA 02138, United States  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 01631829 (ISSN) ISBN Medium  
  Area Expedition Conference  
  Notes Cited By (since 1996): 11; Export Date: 17 April 2009; Source: Scopus; Art. No.: 060504; CODEN: PRBMD; Language of Original Document: English; Correspondence Address: Valenzuela, S.O.; Physics Department; Harvard University Cambridge, MA 02138, United States; References: De Sorbo, W., (1964) Rev. Mod. Phys., 36, p. 90; Pippard, A.B., (1969) Philos. Mag., 19, p. 217; Larkin, A.I., Ovchinnikov, Y.N., (1979) J. Low Temp. Phys., 34, p. 409; W Approved no  
  Call Number BT @ osquigui @ Serial 370  
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