Doping effect on the anomalous behavior of the Hall effect in electron-doped superconductor Nd2-xCexCuO4+δ

被引：14

作者：

Charikova, T. B. ^{[1
]}

Shelushinina, N. G. ^{[1
]}

Harus, G. I. ^{[1
]}

Petukhov, D. S. ^{[1
]}

Korolev, A. V. ^{[1
]}

Neverov, V. N. ^{[1
]}

Ivanov, A. A. ^{[2
]}

机构：

[1] Inst Met Phys RAS, Ekaterinburg, Russia

[2] Moscow Engn Phys Inst, Moscow 115409, Russia

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2012年 / 483卷

关键词：

Cuprate superconductors; Magnetoresistivity; Hall effect; UPPER CRITICAL-FIELD; TEMPERATURE-DEPENDENCE; TRANSPORT-PROPERTIES; MIXED-STATE; VORTICES; MOTION; FILMS;

D O I：

10.1016/j.physc.2012.09.001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Transport properties of Nd2-xCexCuO4+delta/SrTiO3 single crystal films (B parallel to c;J parallel to ab) are investigated in magnetic fields B up to 9T at T = (0.4-4.2) K. An analysis of normal state (at B > B-c2) Hall coefficient R-H(n) dependence on Ce doping takes us to a conclusion about the existence both of electron-like and hole-like contributions to transport in nominally electron-doped system. In accordance with R-H(n)(x) analysis an anomalous sign reversal of Hall effect in mixed state at B < B-c2 may be ascribed to a flux-flow regime for two types of carriers with opposite charges. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：113 / 118

页数：6

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