Suppression of crack formation in garnet film by using a compound glass underlayer

Authors
Furuya, A Baubet, C Yoshikawa, H Tanabe, T Yamamoto, M Tailhades, P Bouet, L Despax, C Presmanes, L Rousset, A
Citation
A. Furuya et al., Suppression of crack formation in garnet film by using a compound glass underlayer, IEEE MAGNET, 37(4), 2001, pp. 2407-2410
Citations number
19
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
IEEE TRANSACTIONS ON MAGNETICS
ISSN journal
00189464 → ACNP
Volume
37
Issue
4
Year of publication
2001
Part
1
Pages
2407 - 2410
Database
ISI
SICI code
0018-9464(200107)37:4<2407:SOCFIG>2.0.ZU;2-J
Abstract
Garnet film made as a magneto-optical medium suffers from the problem of cr ack formation, caused by the high temperature of the garnet film fabricatio n process. We solved this problem by using a compound glass with a yield po int lower than the garnet heat-treatment temperature as an underlayer. This successfully suppressed the formation of cracks in the heat-treated garnet film. As a result, we obtained a garnet film recording medium with excelle nt crystalline structure and high coercive force.