Title:
OXIDE AND METHOD FOR CONTROLLING ELECTRICAL CHARACTERISTICS OF ELECTRIC CONDUCTOR
Document Type and Number:
WIPO Patent Application WO/2010/023971
Kind Code:
A1
Abstract:
Disclosed is an oxide represented by formula (1), a part of R in formula (1) having been subjected to solid solution substitution by a positive divalent or lower element or a positive quadrivalent or higher element. (RM2O4)m(RMO3)n (1) wherein R represents at least one element selected from the group consisting of Y, Dy, Lu, Er, Yb, Tm, Ho, Sc, and In; M represents at least one element selected from the group consisting of Mn, Fe, Co, and Ga; m is 1 or 2; and n is an integer of 0 or more.
Inventors:
IKEDA NAOSHI (JP)
HANASAKI NORIAKI (JP)
HANASAKI NORIAKI (JP)
Application Number:
PCT/JP2009/053289
Publication Date:
March 04, 2010
Filing Date:
February 24, 2009
Export Citation:
Assignee:
UNIV OKAYAMA NAT UNIV CORP (JP)
IKEDA NAOSHI (JP)
HANASAKI NORIAKI (JP)
IKEDA NAOSHI (JP)
HANASAKI NORIAKI (JP)
International Classes:
C01G49/00; C04B35/00; C04B35/40; H01B1/08
Domestic Patent References:
| WO2009028424A1 | 2009-03-05 |
Other References:
TOMOKO KURODA ET AL.: "R1-xMxFe2O4 no Dendo to Yuden Oto", ABSTRACTS OF THE MEETING OF THE PHYSICAL SOCIETY OF JAPAN, vol. 63, - 29 February 2008 (2008-02-29), pages 591
N. IKEDA ET AL.: "Ferroelectricity from iron valence ordering in the charge-frustrated system LuFe2O4", NATURE, vol. 436, August 2005 (2005-08-01), pages 1136 - 1138
K. YOSHII ET AL.: "Magnetic and dielectric properties of RFe204, RFeM04, and RGaCu04 (R=Yb and Lu, M=Co and Cu)", PHYSICAL REVIEW B, vol. 76, no. 2, July 2007 (2007-07-01), pages 024423.1 - 024423.1
N. KIMIZUKA ET AL.: "A SERIES OF NEW COMPOUNDS A3+Fe2O4 (A=Ho, Er, Tm, Yb, AND Lu)", SOLID STATE COMMUNICATIONS, vol. 15, 1974, pages 1321 - 1323
N. IKEDA ET AL.: "Ferroelectricity from iron valence ordering in the charge-frustrated system LuFe2O4", NATURE, vol. 436, August 2005 (2005-08-01), pages 1136 - 1138
K. YOSHII ET AL.: "Magnetic and dielectric properties of RFe204, RFeM04, and RGaCu04 (R=Yb and Lu, M=Co and Cu)", PHYSICAL REVIEW B, vol. 76, no. 2, July 2007 (2007-07-01), pages 024423.1 - 024423.1
N. KIMIZUKA ET AL.: "A SERIES OF NEW COMPOUNDS A3+Fe2O4 (A=Ho, Er, Tm, Yb, AND Lu)", SOLID STATE COMMUNICATIONS, vol. 15, 1974, pages 1321 - 1323
Attorney, Agent or Firm:
HASEGAWA, Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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