Andreev reflection in Bi_{1.8}Pb_{0.3}Sr_{1.9}Ca_2Cu_3O_x break junction

D.A. Balaev; D.M. Gokhfeld; K.A. Shaykhutdinov; M.I. Petrov; S.I. Popkov

arxiv: cond-mat/0410112 · v1 · submitted 2004-10-05 · ❄️ cond-mat.supr-con · cond-mat.dis-nn

Andreev reflection in Bi_(1.8)Pb_(0.3)Sr_(1.9)Ca₂Cu₃O_x break junction

D.M. Gokhfeld , D.A. Balaev , K.A. Shaykhutdinov , S.I. Popkov , M.I. Petrov This is my paper

classification ❄️ cond-mat.supr-con cond-mat.dis-nn

keywords andreevbreakjunctionsuperconductorcharacteristicconsideringcurrent-voltagecurve

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The current-voltage characteristic (CVC) of break junction made from polycrystalline Bi_{1.8}Pb_{0.3}Sr_{1.9}Ca_2Cu_3O_x is investigated. The experimental CVC has hysteretic feature that reflects a part of a curve with negative differential resistance. The CVC is discussed within the framework of the Kummel-Gunsenheimer-Nicolsky theory considering multiple Andreev reflections in superconductor/normal-metal/superconductor junctions.

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Andreev reflection in Bi_(1.8)Pb_(0.3)Sr_(1.9)Ca₂Cu₃O_x break junction

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