Résumé
The bulk material comprises of (Nd, Eu, Gd)Ba2Cu3Ox(NEG123) shows a high irreversibility field over 14 T at 77.3 K. In order to study the origin of the high irreversibility field, transport measurements of NEG123 and Y123 bulk samples were performed as functions of temperature, high magnetic field and field angle, and transport properties were compared with each other. Dip structures for the angular dependence of resistivity are observed around B/c for all samples. These results indicate that c-axis correlated disorder exists. The NEG123 bulk sample with a larger dip shows a higher irreversibility temperature. In addition, we found that the differences of the irreversibility temperature between on and 12° off the dip are scaled universally as a function of the depth of the dip for NEG123 and Y123 bulk samples. It is considered that c-axis correlated disorder is important for high irreversibility fields.
Détails
- Titre original : [In Japanese. / En japonais.]
- Identifiant de la fiche : 2007-0470
- Langues : Japonais
- Source : Journal of the Cryogenic Society of Japan - vol. 41 - n. 8
- Date d'édition : 2006
Liens
Voir d'autres articles du même numéro (1)
Voir la source
Indexation
- Thèmes : Propriétés des fluides et des matériaux cryogéniques
- Mots-clés : Alliage; Propriété magnétique; Matériau; Néodyme; Gadolinium; Experimentation; Europium; Irréversibilité; Cryogénie
-
Magnetocaloric effect and phase transformation ...
- Auteurs : BALLI M., FRUCHART D., GIGNOUX D.
- Date : 11/04/2007
- Langues : Anglais
- Source : 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
Voir la fiche
-
Ageing effect on the magnetocaloric properties ...
- Auteurs : CANEPA F., CIRAFICI S., NAPOLETANO M., et al.
- Date : 11/04/2007
- Langues : Anglais
- Source : 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
Voir la fiche
-
A microstructural investigation of Gd(5)(Si(x)G...
- Auteurs : PODMILJSAK B., MCGUINESS P. J., SKULJ I., et al.
- Date : 11/04/2007
- Langues : Anglais
- Source : 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
Voir la fiche
-
The magnetic properties and phase formation of ...
- Auteurs : ZHANG T. B., CHEN Y. G., TANG Y. B., et al.
- Date : 11/04/2007
- Langues : Anglais
- Source : 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
Voir la fiche
-
Electronic structure and magnetic properties of...
- Auteurs : TALIK E., KLIMCZAK M., GORZELNIAK R., et al.
- Date : 11/04/2007
- Langues : Anglais
- Source : 2nd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
Voir la fiche