Manifestation of history-dependent critical currents via dc and ac magnetization measurements in single crystals of and

G. Ravikumar; V. Sahni; P. Mishra; T. Chandrasekhar Rao; S. Banerjee; A. Grover; S. Ramakrishnan; S. Bhattacharya; M. Higgins; E. Yamamoto; Y. Haga; M. Hedo; Y. Inada; Y. Onuki

doi:10.1103/PhysRevB.57.R11069

Manifestation of history-dependent critical currents via dc and ac magnetization measurements in single crystals of and

G. Ravikumar, V. Sahni, P. Mishra, T. Chandrasekhar Rao, S. Banerjee, A. Grover, S. Ramakrishnan, S. Bhattacharya, M. Higgins, E. Yamamoto, Y. Haga, M. Hedo, Y. Inada, Y. Onuki

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70 Citations (Scopus)

Abstract

A study of path dependent effects in single crystals of (Formula presented) and (Formula presented) shows that critical current density (Formula presented) of the vortex state depends on its thermomagnetic history over a very large part of (Formula presented) parameter space. The path dependence in (Formula presented) is absent above the peak position (i.e., (Formula presented) of the peak effect region, which we believe identifies the complete loss of order in the vortex structure. The highly disordered field cooled (FC) state can be healed into a relatively ordered vortex lattice by subjecting it to a large enough change in dc field (few tens of Oe) or by shaking the field cooled state with sufficient ac field (few Oe).

Original language	English
Pages (from-to)	R11069-R11072
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	57
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.57.R11069
Publication status	Published - 1998
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Ravikumar, G., Sahni, V., Mishra, P., Chandrasekhar Rao, T., Banerjee, S., Grover, A., Ramakrishnan, S., Bhattacharya, S., Higgins, M., Yamamoto, E., Haga, Y., Hedo, M., Inada, Y., & Onuki, Y. (1998). Manifestation of history-dependent critical currents via dc and ac magnetization measurements in single crystals of and. Physical Review B - Condensed Matter and Materials Physics, 57(18), R11069-R11072. https://doi.org/10.1103/PhysRevB.57.R11069

Ravikumar, G, Sahni, V, Mishra, P, Chandrasekhar Rao, T, Banerjee, S, Grover, A, Ramakrishnan, S, Bhattacharya, S, Higgins, M, Yamamoto, E, Haga, Y, Hedo, M, Inada, Y & Onuki, Y 1998, 'Manifestation of history-dependent critical currents via dc and ac magnetization measurements in single crystals of and', Physical Review B - Condensed Matter and Materials Physics, vol. 57, no. 18, pp. R11069-R11072. https://doi.org/10.1103/PhysRevB.57.R11069

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title = "Manifestation of history-dependent critical currents via dc and ac magnetization measurements in single crystals of and",

abstract = "A study of path dependent effects in single crystals of (Formula presented) and (Formula presented) shows that critical current density (Formula presented) of the vortex state depends on its thermomagnetic history over a very large part of (Formula presented) parameter space. The path dependence in (Formula presented) is absent above the peak position (i.e., (Formula presented) of the peak effect region, which we believe identifies the complete loss of order in the vortex structure. The highly disordered field cooled (FC) state can be healed into a relatively ordered vortex lattice by subjecting it to a large enough change in dc field (few tens of Oe) or by shaking the field cooled state with sufficient ac field (few Oe).",

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AU - Ravikumar, G.

AU - Sahni, V.

AU - Mishra, P.

AU - Chandrasekhar Rao, T.

AU - Banerjee, S.

AU - Grover, A.

AU - Ramakrishnan, S.

AU - Bhattacharya, S.

AU - Higgins, M.

AU - Yamamoto, E.

AU - Haga, Y.

AU - Hedo, M.

AU - Inada, Y.

AU - Onuki, Y.

PY - 1998

Y1 - 1998

N2 - A study of path dependent effects in single crystals of (Formula presented) and (Formula presented) shows that critical current density (Formula presented) of the vortex state depends on its thermomagnetic history over a very large part of (Formula presented) parameter space. The path dependence in (Formula presented) is absent above the peak position (i.e., (Formula presented) of the peak effect region, which we believe identifies the complete loss of order in the vortex structure. The highly disordered field cooled (FC) state can be healed into a relatively ordered vortex lattice by subjecting it to a large enough change in dc field (few tens of Oe) or by shaking the field cooled state with sufficient ac field (few Oe).

AB - A study of path dependent effects in single crystals of (Formula presented) and (Formula presented) shows that critical current density (Formula presented) of the vortex state depends on its thermomagnetic history over a very large part of (Formula presented) parameter space. The path dependence in (Formula presented) is absent above the peak position (i.e., (Formula presented) of the peak effect region, which we believe identifies the complete loss of order in the vortex structure. The highly disordered field cooled (FC) state can be healed into a relatively ordered vortex lattice by subjecting it to a large enough change in dc field (few tens of Oe) or by shaking the field cooled state with sufficient ac field (few Oe).

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Manifestation of history-dependent critical currents via dc and ac magnetization measurements in single crystals of and

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