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http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/8306| Title: | Anisotropy in MgB2 |
| Issue Date: | 1-Jun-2013 |
| Publisher: | Sociedade Brasileira de Física |
| Description: | The first direct measurement of an anisotropic superconducting property in MgB2 was achieved for the bulk nucleation field Hc2, in a sample of aligned crystallites. It was found a ratio gamma(T) = <img id="_x0000_i1026" src="../../../img/revistas/bjp/v33n4/a14img01.gif" align=absbottom>/ <img id="_x0000_i1027" src="../../../img/revistas/bjp/v33n4/a14img02.gif" align=absbottom > or = 1.6 - 1.9, for T varying from 32 K to 26K, between H applied parallel to the ab plane, and along the c direction. The anisotropy of the induced critical current density was evaluated through the Bean model to be <img id="_x0000_i1028" src="../../../img/revistas/bjp/v33n4/a14img03.gif" align=absbottom>/ <img id="_x0000_i1029" src="../../../img/revistas/bjp/v33n4/a14img04.gif" align=absbottom>~ 1.5. We present here a brief review of these studies in connection with current results found in the literature. |
| URI: | http://koha.mediu.edu.my:8181/jspui/handle/123456789/8306 |
| Other Identifiers: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332003000400014 http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2003&volume=33&issue=4&spage=709 |
| Appears in Collections: | Physics and Astronomy |
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