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The effect of oxygenation and annealing on the peak effect of the magnetization of melt-grown YBa2CU3O7-?

The effect of oxygenation and annealing on the peak effect of the magnetization of melt-grown YBa2CU3O7-?
The effect of oxygenation and annealing on the peak effect of the magnetization of melt-grown YBa2CU3O7-?
The influence of oxygenation and high temperature annealing on the peak effect of the magnetization of melt-grown YBa2Cu3 O7-? (0<?<1) material has been studied. A control sample was prepared using a normal melt-growth procedure and oxygenated during cooling. A single grain cut from the control sample was annealed in the temperature region of the crystal growth (1030°C-900°C) followed by a standard oxygenation. Some of the control sample was powdered and oxygenated for different lengths of time. The peak of the magnetization shifted to a higher field for the sample oxygenated for longer times. Compared with the control sample, the peak of the magnetization of the sample annealed in the higher temperature region shifted to a lower field. The results are discussed within the framework of the collective pinning and collective creep model.
annealing, barium compounds, crystal growth from melt, flux creep, flux pinning, grain boundaries, high-temperature superconductors, magnetisation, yttrium compounds
1051-8223
1604-1607
Yi, Z.
fa53c9f6-de55-4b53-bd57-2a7fe708ecf6
Beduz, C.
2cbc6ece-3e8b-454b-86d6-3960596bd234
Yang, Y.
4cac858a-e0c0-4174-a839-05ca394fc51f
Scurlock, R.G.
1e6e927d-a650-4c64-af64-3a8546a4cd07
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Yi, Z.
fa53c9f6-de55-4b53-bd57-2a7fe708ecf6
Beduz, C.
2cbc6ece-3e8b-454b-86d6-3960596bd234
Yang, Y.
4cac858a-e0c0-4174-a839-05ca394fc51f
Scurlock, R.G.
1e6e927d-a650-4c64-af64-3a8546a4cd07
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d

Yi, Z., Beduz, C., Yang, Y., Scurlock, R.G. and de Groot, P.A.J. (1997) The effect of oxygenation and annealing on the peak effect of the magnetization of melt-grown YBa2CU3O7-? IEEE Transactions on Applied Superconductivity, 7 (2, Part 2), 1604-1607. (doi:10.1109/77.620883).

Record type: Article

Abstract

The influence of oxygenation and high temperature annealing on the peak effect of the magnetization of melt-grown YBa2Cu3 O7-? (0<?<1) material has been studied. A control sample was prepared using a normal melt-growth procedure and oxygenated during cooling. A single grain cut from the control sample was annealed in the temperature region of the crystal growth (1030°C-900°C) followed by a standard oxygenation. Some of the control sample was powdered and oxygenated for different lengths of time. The peak of the magnetization shifted to a higher field for the sample oxygenated for longer times. Compared with the control sample, the peak of the magnetization of the sample annealed in the higher temperature region shifted to a lower field. The results are discussed within the framework of the collective pinning and collective creep model.

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More information

Published date: 1997
Keywords: annealing, barium compounds, crystal growth from melt, flux creep, flux pinning, grain boundaries, high-temperature superconductors, magnetisation, yttrium compounds

Identifiers

Local EPrints ID: 21068
URI: http://eprints.soton.ac.uk/id/eprint/21068
ISSN: 1051-8223
PURE UUID: ec8389bf-6cc1-47e5-85cc-968604b1ba2f
ORCID for Y. Yang: ORCID iD orcid.org/0000-0002-3874-6735

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Date deposited: 31 Mar 2006
Last modified: 20 Jul 2019 01:21

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Contributors

Author: Z. Yi
Author: C. Beduz
Author: Y. Yang ORCID iD
Author: R.G. Scurlock
Author: P.A.J. de Groot

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