Irreversible magnetostriction and magnetization of the superconduting 2H-NbSe2 single crystals in a peak-effect regime

Автор(и)

  • V. V. Eremenko B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103 Kharkov, Ukraine
  • V. A. Sirenko B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103 Kharkov, Ukraine
  • Yu. A. Shabakayeva B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103 Kharkov, Ukraine
  • R. Schleser Grenoble High Magnetic Field Laboratory,MPI-FKF and CNRS BP-166, F-38042, Grenoble Cedex 09, France
  • P. L. Gammel Bell Laboratories, Lucent Technologies Murray Hill, New Jersey 07974, USA

DOI:

https://doi.org/10.1063/1.1449178

Ключові слова:

PACS: 75.80. q, 74.25.Hq, 74.70.Ad

Анотація

Magnetostriction mea sure ments in the mixed state of superconducting 2H-NbSe2 single crystals under in-plane magnetic fields 0-12 T have revealed a peak on the magnetostriction versus magnetic field dependences in the vicinity of the upper critical field Hc2. The peak value of the longitudinal magnetostriction is higher by more than an order of magnitude in comparison with that of the trans verse magnetostriction when measured along the hexagonal axis. Analysis of the measured field dependences of the magnetostriction and magnetization of 2H-NbSe2 allows one to relate the observed peculiarities of magnetostriction with the loss of order in the lat tice of Abrikosov vortices, which occurs by a first-order phase transition.

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Опубліковано

2001-12-07

Як цитувати

(1)
Eremenko, V. V.; Sirenko, V. A.; Shabakayeva, Y. A.; Schleser, R.; Gammel, P. L. Irreversible Magnetostriction and Magnetization of the Superconduting 2H-NbSe2 Single Crystals in a Peak-Effect Regime. Fiz. Nizk. Temp. 2001, 28, 10-15.

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Надпровідність, зокрема високотемпературна

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