Magnetoresistive study of the antiferromagnetic-weak ferromagnetic transition in single-crystal La2CuO4+d

Автор(и)

  • B.I. Belevtsev B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences, 47 Lenin Ave., Kharkov 61103, Ukraine
  • N.V. Dalakova B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences, 47 Lenin Ave., Kharkov 61103, Ukraine
  • V.N. Savitsky B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences, 47 Lenin Ave., Kharkov 61103, Ukraine
  • A.V. Bondarenko V.N. Karazin Kharkov National University, pl. Svobodi 4, Kharkov 61077, Ukraine
  • A.S. Panfilov B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences, 47 Lenin Ave., Kharkov 61103, Ukraine
  • I.S. Braude B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences, 47 Lenin Ave., Kharkov 61103, Ukraine

DOI:

https://doi.org/10.1063/1.1739162

Ключові слова:

PACS: 74.72.Dn, 75.30.Kz, 75.50.Ee

Анотація

Resistive measurements were made to study the magnetic field-induced antiferromagnetic (AF)—weak ferromagnetic (WF) transition in the La2CuO4 single crystal. The magnetic field (dc or pulsed) was applied normally to the CuO2 layers. The transition manifested itself in a drastic decrease of the resistance in critical fields of 5–7 T. The study is the first to display the effect of the AF–WF transition on the conductivity of the La2CuO4 single crystal in the direction parallel to the CuO2 layers. The results provide support for the three-dimensional nature of the hopping conduction of this layered oxide.

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Опубліковано

2004-03-24

Як цитувати

(1)
Belevtsev, B.; Dalakova, N.; Savitsky, V.; Bondarenko, A.; Panfilov, A.; Braude, I. Magnetoresistive Study of the Antiferromagnetic-Weak Ferromagnetic Transition in Single-Crystal La2CuO4+d. Fiz. Nizk. Temp. 2004, 30, 551-557.

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Низькотемпературний магнетизм

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