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IRIDIUM-BASED PYROCHLORE TYPE ELECTRICALLY CONDUCTIVE SUBSTANCE AND METHOD FOR PREPARATION THEREOF

外国特許コード F040001045
整理番号 F040001045
掲載日 2005年4月25日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2001JP007234
国際公開番号 WO 2002/018274
国際出願日 平成13年8月23日(2001.8.23)
国際公開日 平成14年3月7日(2002.3.7)
優先権データ
  • 特願2000-260319 (2000.8.30) JP
発明の名称 (英語) IRIDIUM-BASED PYROCHLORE TYPE ELECTRICALLY CONDUCTIVE SUBSTANCE AND METHOD FOR PREPARATION THEREOF
発明の概要(英語) An electrically conductive substance having a pyrochlore structure which is represented by the general formula R2Ir2O7, wherein R represents one or more elements selected from the rare earth elements: La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu and Z. The substance is a novel substance which exhibits both of useful characteristics of the geometrically frustrated state, wherein magnetic state is controllable by an external magnetic field or the like, and a good electrical cnductivity which leads to electric controllability and utilization of accumulated heat. In particular, the above conductive substance wherein R represents one or more elements selected from among La, Ce, Pr, Nd, Pm, Sm, and Eu exhibits metallic electrical conductivity characteristics, and therefore is useful as a functional electronic material having magnetic controllabiltity and a heat accumulating material having a large heat capacity.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • Japan Science And Technology Corporation
  • 発明者(英語)
  • Maeno,Yoshiteru
  • Yanagishima,Daiki
国際特許分類(IPC)
指定国 AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG
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