ANISOTROPIC RESISTIVITIES OF SINGLE CRYSTAL Bi2Sr2CaCu2O8+δ WITH DIFFERENT OXYGEN CONTENTS | Zendy

Min Yu | Zendy; Chen Xianhui | Zendy; Ruan Ke-Qing | Zendy; Li Shi-Yan | Zendy; Gui Feng Zhou | Zendy; Guochun Zhang | Zendy; Chen Zhuyao | Zendy; Cao Liezhao | Zendy

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ANISOTROPIC RESISTIVITIES OF SINGLE CRYSTAL Bi2Sr2CaCu2O8+δ WITH DIFFERENT OXYGEN CONTENTS

Author(s) -

Min Yu,

Chen Xianhui,

Ruan Ke-Qing,

Li Shi-Yan,

Gui Feng Zhou,

Guochun Zhang,

Chen Zhuyao,

Cao Liezhao

Publication year - 1999

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.48.363

Subject(s) - anisotropy , electrical resistivity and conductivity , condensed matter physics , bipolaron , materials science , single crystal , oxygen , plane (geometry) , crystallography , physics , chemistry , polaron , optics , geometry , electron , quantum mechanics , mathematics

The in-plane resistivity ρab(T) and the out-of-plane ρc(T) have been extensively measured for pure single crystal Bi2Sr2CaCu2O8+δ(Bi2212) annealed at different oxygen pressures.The ρc(T) and anisotropy (ρc(T)/ρab(T)) decrease rapidly with increasing carrier concentration.It is found that the out-of-plane resistivity decreases linearly with decreasing temperature down to about 120K for the overdoped sample,its resistivity anisotropy is of weak temperature dependence.The data of ρc(T) and ρc(T)/ρab(T) are well fitted by the bipolaron theory proposed by Alexandrov and Mott.

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