Temperature dependence of the activation volume in high-temperature Sm(Co,Fe,Cu,Zr)(z) magnets
| dc.contributor.author | Panagiotopoulos, I. | en |
| dc.contributor.author | Gjoka, M. | en |
| dc.contributor.author | Niarchos, D. | en |
| dc.date.accessioned | 2015-11-24T17:39:18Z | |
| dc.date.available | 2015-11-24T17:39:18Z | |
| dc.identifier.issn | 0021-8979 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/14627 | |
| dc.rights | Default Licence | - |
| dc.subject | sm-co magnets | en |
| dc.subject | permanent-magnets | en |
| dc.subject | coercivity analysis | en |
| dc.subject | magnetization | en |
| dc.subject | mechanism | en |
| dc.title | Temperature dependence of the activation volume in high-temperature Sm(Co,Fe,Cu,Zr)(z) magnets | en |
| heal.abstract | Magnetization relaxation and remanence measurements in the temperature range from 100 to 600 degreesC were performed in a Sm(Co0.75F0.12Cu0.10Zr0.03)(7.6) alloy in order to estimate the activation volume V-*. The coefficient of magnetic viscosity S is found to decrease with temperature up to 500 degreesC showing an increase in the width of the energy barrier distribution function. A drastic increase of the value of V-* above the Curie point of the intergranular phase is attributed to a crossover from a pinning to a nucleation type of magnetic reversal. (C) 2002 American Institute of Physics. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | Doi 10.1063/1.1522836 | - |
| heal.identifier.secondary | <Go to ISI>://000179495100122 | - |
| heal.journalName | Journal of Applied Physics | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2002 | - |
| heal.publisher | American Institute of Physics | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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