Structure of vortex liquid phase in irradiated BSCCO(2212) crystals

A.E. Koshelev(2); A. Petrean(2); Argonne; IL); L.N. Bulaevskii(1); Los Alamos; M.P. Maley(1); NM (2) Argonne National Laboratory; N. Morozov(1); V. Thorsmolle(1)

arxiv: cond-mat/9809165 · v2 · submitted 1998-09-10 · ❄️ cond-mat.supr-con

Structure of vortex liquid phase in irradiated BSCCO(2212) crystals

N. Morozov(1) , L.N. Bulaevskii(1) , M.P. Maley(1) , V. Thorsmolle(1) , A.E. Koshelev(2) , A. Petrean(2) , W.K. Kwok(2) ((1) Los Alamos National Laboratory , Los Alamos

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NM (2) Argonne National Laboratory Argonne IL)

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keywords lengthperpphasevortexbsccocomponentcrystalsfunction

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The c-axis resistivity in irradiated and in pristine BSCCO(2212) crystals is measured as a function of the in-plane magnetic field component at fixed out-of-plane component B_\perp in the vortex liquid phase at T=67 K. From this data we extract the dependence of the phase difference correlation length inside layers on B_\perp and estimate the average length of pieces of vortex lines confined inside columnar defects as a function of the filling factor f=B_\perp / B_\phi. The maximum length, about 15 interlayer distances, is reached near f=0.35.

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Structure of vortex liquid phase in irradiated BSCCO(2212) crystals

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