Title:
MAGNETIC SWITCHING DEVICE AND MAGNETIC MEMORY
Document Type and Number:
WIPO Patent Application WO/2004/059745
Kind Code:
A1
Abstract:
A magnetic switching device having a structure that is totally different from conventional ones and an improved energy conversion efficiency for changing the magnetization state of a magnetic body, and a magnetic memory using such a magnetic switching device are disclosed. The magnetic switching device comprises a magnetic layer, a transition layer which is magnetically coupled with the magnetic layer, and a carrier supplier containing at least one material selected among metals and semiconductors. The transition layer and the carrier supplier are so arranged that a voltage can be applied between them. Transition between non-ferromagnetism and ferromagnetism occurs in the transition layer by applying a voltage thereto, thereby changing the magnetization state of the magnetic layer.
Inventors:
ODAGAWA AKIHIRO (JP)
MATSUKAWA NOZOMU (JP)
SUGITA YASUNARI (JP)
MATSUKAWA NOZOMU (JP)
SUGITA YASUNARI (JP)
Application Number:
PCT/JP2003/016519
Publication Date:
July 15, 2004
Filing Date:
December 24, 2003
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
ODAGAWA AKIHIRO (JP)
MATSUKAWA NOZOMU (JP)
SUGITA YASUNARI (JP)
ODAGAWA AKIHIRO (JP)
MATSUKAWA NOZOMU (JP)
SUGITA YASUNARI (JP)
International Classes:
G11C11/15; H01F10/18; H01F10/193; H01L21/8246; H01L27/22; H01L29/82; H01L43/08; G11B5/39; (IPC1-7): H01L29/82; G01R33/06; H01L43/08; H01L27/105
Foreign References:
| US20030151944A1 | 2003-08-14 | |||
| JP2003092440A | 2003-03-28 |
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (OAP TOWER 8-30, Tenmabashi 1-chome, Kita-k, Osaka-shi Osaka, JP)
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