Pinning-to-barrier crossover in YBa2Cu3O7-δ single crystals

M. V. Indenbom; C. J. van der Beek; V. Berseth; M. Konczykowski; F. Holtzberg; W. Benoit

doi:10.1007/BF02562885

Pinning-to-barrier crossover in YBa₂Cu₃O_7-δ single crystals

M. V. Indenbom
, C. J. van der Beek
, V. Berseth
, M. Konczykowski
, F. Holtzberg
, W. Benoit

Research output: Contribution to journal › Article › peer-review

Abstract

The behaviour of magnetic flux in high purity untwinned YBa₂Cu₃O_7-δ (YBCO) single crystals is visualized by means of the magneto-optical technique. It is observed that after zero field-cooling at high temperatures near T_c, flux penetrates directly to the sample center over a flux free edge area, in contrast to the usual Beanlike flux penetration from the edges. This fact clearly shows that volume pinning becomes negligible compared with the edge barrier. The role of the recently rediscovered geometrical barrier in the crystal magnetization is discussed.

Original language	English
Pages (from-to)	1541-1542
Number of pages	2
Journal	Czechoslovak Journal of Physics
Volume	46
Issue number	SUPPL. 3
DOIs	https://doi.org/10.1007/BF02562885
Publication status	Published - 1 Dec 1996
Externally published	Yes

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10.1007/BF02562885

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title = "Pinning-to-barrier crossover in YBa2Cu3O7-δ single crystals",

abstract = "The behaviour of magnetic flux in high purity untwinned YBa2Cu3O7-δ (YBCO) single crystals is visualized by means of the magneto-optical technique. It is observed that after zero field-cooling at high temperatures near Tc, flux penetrates directly to the sample center over a flux free edge area, in contrast to the usual Beanlike flux penetration from the edges. This fact clearly shows that volume pinning becomes negligible compared with the edge barrier. The role of the recently rediscovered geometrical barrier in the crystal magnetization is discussed.",

author = "Indenbom, \{M. V.\} and \{van der Beek\}, \{C. J.\} and V. Berseth and M. Konczykowski and F. Holtzberg and W. Benoit",

year = "1996",

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TY - JOUR

T1 - Pinning-to-barrier crossover in YBa2Cu3O7-δ single crystals

AU - Indenbom, M. V.

AU - van der Beek, C. J.

AU - Berseth, V.

AU - Konczykowski, M.

AU - Holtzberg, F.

AU - Benoit, W.

PY - 1996/12/1

Y1 - 1996/12/1

N2 - The behaviour of magnetic flux in high purity untwinned YBa2Cu3O7-δ (YBCO) single crystals is visualized by means of the magneto-optical technique. It is observed that after zero field-cooling at high temperatures near Tc, flux penetrates directly to the sample center over a flux free edge area, in contrast to the usual Beanlike flux penetration from the edges. This fact clearly shows that volume pinning becomes negligible compared with the edge barrier. The role of the recently rediscovered geometrical barrier in the crystal magnetization is discussed.

AB - The behaviour of magnetic flux in high purity untwinned YBa2Cu3O7-δ (YBCO) single crystals is visualized by means of the magneto-optical technique. It is observed that after zero field-cooling at high temperatures near Tc, flux penetrates directly to the sample center over a flux free edge area, in contrast to the usual Beanlike flux penetration from the edges. This fact clearly shows that volume pinning becomes negligible compared with the edge barrier. The role of the recently rediscovered geometrical barrier in the crystal magnetization is discussed.

U2 - 10.1007/BF02562885

DO - 10.1007/BF02562885

M3 - Article

AN - SCOPUS:0000460288

SN - 0011-4626

VL - 46

SP - 1541

EP - 1542

JO - Czechoslovak Journal of Physics

JF - Czechoslovak Journal of Physics

IS - SUPPL. 3

ER -

Pinning-to-barrier crossover in YBa2Cu3O7-δ single crystals

Abstract

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Pinning-to-barrier crossover in YBa₂Cu₃O_7-δ single crystals