| Numéro |
J. Phys. Colloques
Volume 46, Numéro C6, Septembre 1985
MMA' 85Europhysics Conference on Magnetic Materials for Applications |
|
|---|---|---|
| Page(s) | C6-309 - C6-312 | |
| DOI | https://doi.org/10.1051/jphyscol:1985655 | |
MMA' 85
Europhysics Conference on Magnetic Materials for Applications
J. Phys. Colloques 46 (1985) C6-309-C6-312
DOI: 10.1051/jphyscol:1985655
1 Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw, Poland
2 Central Institute of Physics, Bucharest, Romania
3 MEMS Dept., Carnegie-Mellon University, Pittsburgh, U.S.A.
Europhysics Conference on Magnetic Materials for Applications
J. Phys. Colloques 46 (1985) C6-309-C6-312
DOI: 10.1051/jphyscol:1985655
DOMAIN WALL ENERGY IN Nd2Fe14B AND Pr2Fe14B COMPOUNDS
R. Szymczak1, E. Burzo2 et W.E. Wallace31 Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw, Poland
2 Central Institute of Physics, Bucharest, Romania
3 MEMS Dept., Carnegie-Mellon University, Pittsburgh, U.S.A.
Résumé
La structure en domaines d'échantillons polycristallins Nd2Fe14B et Pr2Fe14B a été observée par effet Kerr ainsi que par la méthode de diagrammes de poudre. L'énergie des parois entre domaines dans ces composés est estimée à 42 et 33 erg/cm2 respectivement. La valeur mesurée de l'énergie de paroi pour Nd2Fe14B a été comparée aux résultats de calculs théoriques.
Abstract
Domain structure in polycrystalline samples Nd2Fe14B and Pr2Fe14B is observed by means of Kerr effect and powder pattern methods. The domain wall energy in these compounds is estimated to be 42 and 33 erg/ cm2 respectively. The measured value of wall energy for Nd2Fe14B has been compared with the results of some theoretical calculations.