The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors
Autor(a) principal: | |
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Data de Publicação: | 2002 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian Journal of Physics |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332002000400016 |
Resumo: | Effects of grain-domain-size (GDS) on levitation force have been directly investigated and identified in well-textured YBCO bulks. A single-grain-domain YBCO bulk (phi=30mm) was prepared by a top seeded melt growth process, then divided into two, three and four grain-domain to acquire the levitation forces of samples with different GDS. It is found that the levitation force of the samples monotonously decreases with the decreasing of the average GDS (or with the increasing of the total length grain-boundaries of the sample). The maximum levitation force for the single-grain-domain sample is about 1.68, 2.05 and 2.4 times higher than that of the samples with two, three, and four grain-domains. It is concluded that the levitation force of a single-grain-domain YBCO bulk is higher than that of samples with multi-grain-domains. It is also found that the levitation force is proportional to the average grain-domain radius, but inverse proportional to the total length of grain-boundaries of the sample, a simple physical model has been provided and well interpret the experiment results. |
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Brazilian Journal of Physics |
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The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductorsEffects of grain-domain-size (GDS) on levitation force have been directly investigated and identified in well-textured YBCO bulks. A single-grain-domain YBCO bulk (phi=30mm) was prepared by a top seeded melt growth process, then divided into two, three and four grain-domain to acquire the levitation forces of samples with different GDS. It is found that the levitation force of the samples monotonously decreases with the decreasing of the average GDS (or with the increasing of the total length grain-boundaries of the sample). The maximum levitation force for the single-grain-domain sample is about 1.68, 2.05 and 2.4 times higher than that of the samples with two, three, and four grain-domains. It is concluded that the levitation force of a single-grain-domain YBCO bulk is higher than that of samples with multi-grain-domains. It is also found that the levitation force is proportional to the average grain-domain radius, but inverse proportional to the total length of grain-boundaries of the sample, a simple physical model has been provided and well interpret the experiment results.Sociedade Brasileira de Física2002-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332002000400016Brazilian Journal of Physics v.32 n.3 2002reponame:Brazilian Journal of Physicsinstname:Sociedade Brasileira de Física (SBF)instacron:SBF10.1590/S0103-97332002000400016info:eu-repo/semantics/openAccessYang,W. M.Zhou,L.Feng,Y.Zhang,P.X.Zhang,C.P.Yu,Z.M.Tang,X.D.eng2002-12-04T00:00:00Zoai:scielo:S0103-97332002000400016Revistahttp://www.sbfisica.org.br/v1/home/index.php/pt/ONGhttps://old.scielo.br/oai/scielo-oai.phpsbfisica@sbfisica.org.br||sbfisica@sbfisica.org.br1678-44480103-9733opendoar:2002-12-04T00:00Brazilian Journal of Physics - Sociedade Brasileira de Física (SBF)false |
dc.title.none.fl_str_mv |
The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors |
title |
The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors |
spellingShingle |
The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors Yang,W. M. |
title_short |
The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors |
title_full |
The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors |
title_fullStr |
The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors |
title_full_unstemmed |
The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors |
title_sort |
The effect of grain-domain-size on levitation force of melt growth processing YBCO bulk superconductors |
author |
Yang,W. M. |
author_facet |
Yang,W. M. Zhou,L. Feng,Y. Zhang,P.X. Zhang,C.P. Yu,Z.M. Tang,X.D. |
author_role |
author |
author2 |
Zhou,L. Feng,Y. Zhang,P.X. Zhang,C.P. Yu,Z.M. Tang,X.D. |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Yang,W. M. Zhou,L. Feng,Y. Zhang,P.X. Zhang,C.P. Yu,Z.M. Tang,X.D. |
description |
Effects of grain-domain-size (GDS) on levitation force have been directly investigated and identified in well-textured YBCO bulks. A single-grain-domain YBCO bulk (phi=30mm) was prepared by a top seeded melt growth process, then divided into two, three and four grain-domain to acquire the levitation forces of samples with different GDS. It is found that the levitation force of the samples monotonously decreases with the decreasing of the average GDS (or with the increasing of the total length grain-boundaries of the sample). The maximum levitation force for the single-grain-domain sample is about 1.68, 2.05 and 2.4 times higher than that of the samples with two, three, and four grain-domains. It is concluded that the levitation force of a single-grain-domain YBCO bulk is higher than that of samples with multi-grain-domains. It is also found that the levitation force is proportional to the average grain-domain radius, but inverse proportional to the total length of grain-boundaries of the sample, a simple physical model has been provided and well interpret the experiment results. |
publishDate |
2002 |
dc.date.none.fl_str_mv |
2002-09-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332002000400016 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332002000400016 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0103-97332002000400016 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Física |
publisher.none.fl_str_mv |
Sociedade Brasileira de Física |
dc.source.none.fl_str_mv |
Brazilian Journal of Physics v.32 n.3 2002 reponame:Brazilian Journal of Physics instname:Sociedade Brasileira de Física (SBF) instacron:SBF |
instname_str |
Sociedade Brasileira de Física (SBF) |
instacron_str |
SBF |
institution |
SBF |
reponame_str |
Brazilian Journal of Physics |
collection |
Brazilian Journal of Physics |
repository.name.fl_str_mv |
Brazilian Journal of Physics - Sociedade Brasileira de Física (SBF) |
repository.mail.fl_str_mv |
sbfisica@sbfisica.org.br||sbfisica@sbfisica.org.br |
_version_ |
1754734860067405824 |