| Numéro |
J. Phys. IV France
Volume 07, Numéro C1, Mars 1997
7th INTERNATIONAL CONFERENCE ON FERRITES
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| Page(s) | C1-311 - C1-312 | |
| DOI | https://doi.org/10.1051/jp4:19971122 | |
7th INTERNATIONAL CONFERENCE ON FERRITES
J. Phys. IV France 07 (1997) C1-311-C1-312
DOI: 10.1051/jp4:19971122
TDK Materials Research Center, 570-2 Matugashita, Minamihatori, Narita, Chiba 286, Japan
© EDP Sciences 1997
J. Phys. IV France 07 (1997) C1-311-C1-312
DOI: 10.1051/jp4:19971122
High Energy Ferrite Magnets
H. Taguchi, T. Takeishi, K. Suwa, K. Masuzawa and Y. MinachiTDK Materials Research Center, 570-2 Matugashita, Minamihatori, Narita, Chiba 286, Japan
Abstract
Lanthanum and zinc substitution in M-type hexaferrite was studied in detail in order to increase the saturation magnetization. For the composition Sr0.7La0.3Fe11.7Zn0.3O19, the saturation magnetization was increased by more than 4% and the uniaxial anisotropy constant (K 1) was almost the same as that of non-substituted Ba-ferrite. Furthermore, high energy ferrite magnets having more than 40kJ/m3(5MGOe) were obtained for the first time by the new process for high orientation, high density and submicron-sized grains.
© EDP Sciences 1997