Anisotropic twin boundary pinning in YBa2Cu3Ox

Crabtree, G. W.; Kwok, W. K.; Welp, U.; Downey, J.; Fleshler, S.; Vandervoort, K. G.; Liu, J. Z.

doi:10.1016/0921-4534(91)91986-e

Anisotropic twin boundary pinning in YBa₂Cu₃O_x

Conference · Mon Jul 22 04:00:00 EDT 1991 · Physica. C, Superconductivity

DOI:https://doi.org/10.1016/0921-4534(91)91986-e· OSTI ID:5419890

Crabtree, G. W. ^[1]; Kwok, W. K. ^[1]; Welp, U. ^[1]; Downey, J. ^[1]; Fleshler, S. ^[1]; Vandervoort, K. G. ^[1]; Liu, J. Z. ^[2]

Argonne National Laboratory (ANL), Argonne, IL (United States)
Univ. of California, Davis, CA (United States)

The reduction in flux motion resistivity due to pinning at twin boundaries in single crystal YBa₂Cu₃O_x is demonstrated. Pinning takes place only for magnetic fields aligned within a critical angle of the twin boundary plane. The critical angle varies with field direction and with field strength for H | c. The onset temperature of twin boundary pinning is established by its strong anisotropy, and shown to correspond with a feature in the temperature dependent resistivity for H | c.

Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); National Science Foundation (NSF)

DOE Contract Number:: W-31109-ENG-38

OSTI ID:: 5419890

Report Number(s):: ANL/CP--74040; CONF-910736--19; ON: DE91018536; CNN: STC-8809854

Conference Information:: Journal Name: Physica. C, Superconductivity Journal Volume: 185-189

Country of Publication:: United States

Language:: English

References (12)

Sharp angular sensitivity of pinning due to twin boundaries in Ba2YCu3O7 Gyorgy, E. M.; van Dover, R. B.; Schneemeyer, L. F. Applied Physics Letters, Vol. 56, Issue 24 https://doi.org/10.1063/1.103257	journal	June 1990
Direct observation of dissipative flux motion and pinning by twin boundaries in YBa_{2}Cu_{3}O_{7-δ} single crystals Kwok, W.; Welp, U.; Crabtree, G. Physical Review Letters, Vol. 64, Issue 8 https://doi.org/10.1103/PhysRevLett.64.966	journal	February 1990
Twin-boundary effects on flux entry and lower critical fields in single-crystalYBa2Cu3O7−δ Umezawa, A.; Crabtree, G. W.; Welp, U. Physical Review B, Vol. 42, Issue 13 https://doi.org/10.1103/PhysRevB.42.8744	journal	November 1990
Strong vortex pinning intrinsic in high-Tc oxide superconductors Tachiki, M.; Takahashi, S. Solid State Communications, Vol. 70, Issue 3 https://doi.org/10.1016/0038-1098(89)90330-X	journal	April 1989
Magnetic measurements of the upper critical field of YBa 2 Cu 3 O 7 − δ single crystals Welp, U.; Kwok, W. K.; Crabtree, G. W. Physical Review Letters, Vol. 62, Issue 16 https://doi.org/10.1103/PhysRevLett.62.1908	journal	April 1989
In-plane anisotropy of the interaction between vortex and twin boundary in YBa 2 Cu 3 O 7 single crystals Liu, J. Z.; Jia, Y. X.; Shelton, R. N. Physical Review Letters, Vol. 66, Issue 10 https://doi.org/10.1103/PhysRevLett.66.1354	journal	March 1991
Intrinsic pinning and lock-in transition of flux lines in layered type-II superconductors Feinberg, D.; Villard, C. Physical Review Letters, Vol. 65, Issue 7 https://doi.org/10.1103/PhysRevLett.65.919	journal	August 1990
The upper critical field of untwinned YBa2Cu3O7−δ crystals Welp, U.; Grimsditch, M.; You, H. Physica C: Superconductivity, Vol. 161, Issue 1 https://doi.org/10.1016/0921-4534(89)90033-6	journal	October 1989
Flux pinning enhancement by twin boundaries Kritscha, W.; Sauerzopf, F. M.; Weber, H. W. Superconductor Science and Technology, Vol. 4, Issue 1S https://doi.org/10.1088/0953-2048/4/1S/072	journal	January 1991
Magnetization hysteresis and flux pinning in twinned and untwinned YBa ₂ Cu ₃ O _7−δ single crystals Welp, U.; Kwok, W. K.; Crabtree, G. W. Applied Physics Letters, Vol. 57, Issue 1 https://doi.org/10.1063/1.104237	journal	July 1990
Vortex pinning by twin boundaries in copper oxide superconductors Blatter, G.; Rhyner, J.; Vinokur, V. M. Physical Review B, Vol. 43, Issue 10 https://doi.org/10.1103/PhysRevB.43.7826	journal	April 1991
Large anisotropic critical magnetization currents in single-crystalYBa2Cu3O7−δ Crabtree, G. W.; Liu, J. Z.; Umezawa, A. Physical Review B, Vol. 36, Issue 7 https://doi.org/10.1103/PhysRevB.36.4021	journal	September 1987

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Anisotropic twin boundary pinning in YBa2Cu3Ox

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References (12)

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Anisotropic twin boundary pinning in YBa₂Cu₃O_x