Anomalous behavior of the Hall effect in electron-doped superconductor Nd₂₋xCexCuO₄₊δ with nonstoichiometric disorder

Anomalous behavior of the Hall effect in electron-doped superconductor Nd₂₋xCexCuO₄₊δ with nonstoichiometric disorder

Charikova, T.B. ; Shelushinina, N.G. ; Harus, G.I. ; Neverov, V.N. ; Petukhov, D.S. ; Sochinskaya, O.E. ; Ivanov, A.A.

Тема: XVIII Уральская международная зимняя школа по физике полупроводников

Інший ID: PACS: 72.15.Gd, 74.25.F–, 74.72.–h

URI: http://dspace.nbuv.gov.ua/handle/123456789/118520

Посилання: Anomalous behavior of the Hall effect in electron-doped superconductor Nd₂₋xCexCuO₄₊δ with nonstoichiometric disorder / T.B. Charikova, N.G. Shelushinina, G.I. Harus, V.N. Neverov, D.S. Petukhov, O.E. Sochinskaya, A.A. Ivanov // Физика низких температур. — 2011. — Т. 37, № 3. — С. 344–347. — Бібліогр.: 18 назв. — англ.

Підтримка: This work was done within RAS Program (project No. 01.2.006.13394) and with partial support of RFBR No. 09-02-96518.

Дата: 2011

Завантажень: 245

Anomalous behavior of the Hall effect in electron-doped superconductor Nd₂₋xCexCuO₄₊δ with nonstoichiometric disorder

Анотація:

Magnetoresistivity and Hall effect measured in magnetic fields up to B=9T (B║c, J║ab) in electrondoped Nd₂₋xCexCuO₄₊δ single crystal films with x = 0.14; 0.15; 0.18 and different oxygen content (δ) were studied in a temperature range of 0.4–4.2 K. The resistivity and Hall coefficient behaviors in the mixed state are discussed in the framework of flux-flow model with the inclusion of the back-flow of vortices owing to the pinning forces.

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