Physcial Properties of SuperconductorNo Access

C-AXIS TWIST BICRYSTAL, ARTIFICIAL AND NATURAL CROSS-WHISKER Bi2212 JOSEPHSON JUNCTIONS

RICHARD A. KLEMM

Department of Physics, University of North Dakota, Grand Forks, ND 58202-7129, USA

https://doi.org/10.1142/S0217979205028177Cited by:1 (Source: Crossref)

Abstract

We present the latest data of the c-axis bicrystal twist Josephson junctions experiments of Liet al. and of the artificial and recent natural cross-whisker junction experiments on Bi₂Sr₂CaCu₂O_8+δ (Bi2212) of Takano et al. and Latyshev et al., respectively. These combined experiments provide strong evidence for a dominant s-wave order parameter and for strongly incoherent c-axis quasiparticle tunneling in Bi2212 for T≤T_c.

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