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Effect of columnar defects on the vortex-solid melting transition in Bi2Sr2CaCu2O8

B. Khaykovich, M. Konczykowski, K. Teitelbaum, E. Zeldov, H. Shtrikman, and M. Rappaport
Phys. Rev. B 57, R14088(R) – Published 1 June 1998
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Abstract

The first-order phase transition of the vortex-lattice in Bi2Sr2CaCu2O8 crystals is shown to transform into a continuous transition when disorder is introduced via a very low concentration of columnar defects. We demonstrate fine tuning of the disorder strength and the recovery of the first-order transition by varying the concentration of the columns, by changing the temperature along the melting line, or by tilting the magnetic field with respect to the columns.

  • Received 20 January 1998

DOI:https://doi.org/10.1103/PhysRevB.57.R14088

©1998 American Physical Society

Authors & Affiliations

B. Khaykovich

  • Department of Condensed Matter Physics, The Weizmann Institute of Science, 76100 Rehovot, Israel
  • CNRS, URA 1380, Laboratoire des Solides Irradiés, École Polytechnique, 91128 Palaiseau, France

M. Konczykowski

  • CNRS, URA 1380, Laboratoire des Solides Irradiés, École Polytechnique, 91128 Palaiseau, France

K. Teitelbaum

  • Department of Condensed Matter Physics, The Weizmann Institute of Science, 76100 Rehovot, Israel
  • Kazan State University, Kazan 420008, Russia

E. Zeldov and H. Shtrikman

  • Department of Condensed Matter Physics, The Weizmann Institute of Science, 76100 Rehovot, Israel

M. Rappaport

  • Physics Services, The Weizmann Institute of Science, 76100 Rehovot, Israel

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Vol. 57, Iss. 22 — 1 June 1998

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