Crystal Structures and Physical Properties of Transition Metal Germanides.

  • Takizawa H
  • Shimada M
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Abstract

Key Words: transition metal germanides, crystal structure, high pressure synthesis , magnetic properties, electron transfer 1.‚Í ‚ ¶ ‚ß ‚É 'J ˆÚ ‹à '® ƒP ƒC‰»•¨ ‚É ‚ÍT3si,T2si,T5si3,Tsi, TSi•A(T:'J ˆÚ ‹à '®)"™,‹É ‚ß ‚Ä '½ ‚-‚Ì ‰»• ‡ •¨ ‚ª ' ¶ •Ý ‚· ‚é •B ‚± ‚Ì ‚¤ ‚¿ ƒP ƒC'f ŠÜ-L "ä ‚Ì 'á ‚¢ 'Š ‚Í,‹à '®OE‹• ‡ •« ‚𠎦 ‚µ• ‡ ‹à "I ‚È OE‹•» •\ '¢ ‚AE‚È ‚é •B ˆê •û,ƒP ƒC'f ŠÜ-L "ä ‚ª •‚ ‚-‚È ‚é ‚AEOE‹• ‡ ‚É‹¤-L •« ‚â ƒC ƒI ƒ" •« ‚ª ‰Á-¡ ‚³ ‚ê ‚é ‚½ ‚ß,Ží •X ‚Ì "Á '¥ ‚ ‚é OE‹ •» •\ '¢ ‚ª •o OE»‚· ‚é ‚AE"¯ Žž ‚É,'½ •Ê ‚È "d Ž¥ ‹C "I •« Ž¿ ‚𠎦 ‚· •B ‚± ‚ê ‚ç ‚Ì ƒP ƒC‰» •¨ ‚Í "MˆÀ 'è •«,‰» Šw"I ˆÀ 'è •« ‚É-D ‚ê ‚é ‚± ‚AE ‚© ‚ç,LSI‚Ì "d ‹É •Þ-¿ ‚â 'ï •R "-"M'Ì,"M "d •Ï Š· •Þ-¿"™‚É •L ‚-‰ž-p‚³ ‚ê ‚Ä ‚¢ ‚é1•`3)•B ƒP ƒC'f ‚AEƒQƒ‹ ƒ} ƒj ƒEƒ€ ‚Ì-Þ Ž-•« ‚© ‚ç-Þ•" ‚· ‚é ‚AE,'J ˆÚ ‹à '® ƒQƒ‹ ƒ} ƒj ƒEƒ€‰»•¨ ‚à ƒPƒC‰» •¨ ‚AE"¯-l‚É ‹@"\ •Þ-¿ ‚AE‚µ ‚Ä‚Ì ‰ž-p‚Ì ‰Â "\ •« ‚ð •‚ ‚-"à •ï ‚µ ‚½•¨ Ž¿OEQ‚Å‚ ‚é ‚AE •l ‚¦ ‚ç ‚ê ‚é •B ‚AE‚± ‚ë ‚ª,•í ˆ³,•½ •t •ð OE•‰º‚Å• ¶ •¬ ‚· ‚é ‰»• ‡ •¨ ‚ª •-‚È ‚¢ ‚½‚ß,ƒQ ƒ‹ ƒ} ƒj ƒEƒ€ ‰» •¨ ‚Ì OE‹•» •\ '¢ ‚â •¨ •« ‚É ŠÖ‚· ‚é OEn"• "I ‚È OE¤‹ † ‚Í-¢ ‚¾•s ‚È ‚í ‚ê ‚Ä ‚¢ ‚È ‚¢ •B •½•t •ó 'Ô •} ' † ‚É ' ¶ •Ý ‚· ‚é ƒQƒ‹ ƒ} ƒj ƒEƒ€ ‰»•¨ ‚Ì •" ‚Í ƒP ƒC ‰»•¨ ‚Ì "¼•" 'ö "x ‚Å‚ ‚è,ƒQ ƒ‹ ƒ} ƒj ƒEƒ€ OE´Žq ‚ð50at.%ˆÈ •ã ŠÜ-L ‚· ‚é 'Š ‚Í ‚« ‚í ‚ß ‚Ä•-‚È ‚¢ •B '˜ ŽÒ‚ç ‚Í •‚ ƒQƒ‹ ƒ} ƒj ƒEƒ€ ŠÜ-L 'Š ‚Ì • ‡ •¬ Žè'i ‚AE‚µ ‚Ä OEÅ 'Ì ˆ³ •k-@‚É ‚ae ‚é '´ •‚ ˆ³ • ‡ •¬ ‚ð "K-p‚µ,9'Š ‚Ì •V ‹K‰»• ‡ •¨ ‚ð • ‡ •¬ ‚µ ‚Ä‚¢ ‚é4•`7)•B-{ •e ‚Å ‚Í '˜ ŽÒ‚ç ‚Ìˆê˜A‚̈ê‚̈ê˜A ‚Ì OE¤‹ † OE‹‰Ê ‚ð ‚à ‚AE‚É,'J ˆÚ‹à '® ƒQƒ‹ ƒ} ƒj ƒEƒ€ ‰»•¨ ‚Ì OE‹•» ‰»Šw ‚AE •¨ •« ‚ɂ ‚¢ ‚ÄŠT •à ‚· ‚é •B 2.'´ •‚ ˆ³ • ‡ •¬ 'J ˆÚ ‹à '® ƒQƒ‹ ƒ} ƒj ƒEƒ€ ‰»•¨ ‚Ì • ‡ •¬-@‚Í Žå ‚É,•^ ‹ó ‚à ‚µ ‚-‚Í •s Šˆ•Šˆ•« •µ ˆÍ ‹C ‰º‚Å‚Ì •¬ •ª OE³'f ‚Ì '¼•Ú "½‰ž ‚Å‚ ‚è, •Å ‚àˆê‚àˆê "Ê "I ‚È• ‡ •¬-@‚Í •^ ‹ó 'E ‹C ‚µ ‚½•Î ‰p •• ŠÇ"à ‚ÅOEÅ 'Š "½‰ž‚ð •s ‚È ‚¤ ‚à ‚Ì ‚Å ‚ ‚é •B '´ •‚ ˆ³ • ‡ •¬-@‚Í,OEÅ 'Ì ˆ³ •k '• 'u ‚ð-p‚¢ ‚Ĉ³-Í3GPa ˆÈ •ã,‰· "x600•`2000•Ž ‚Ì •ð OE•‰º ‚Å•¬ •ª OE³'f ‚Ì '¼•Ú "½ ‰ž‚ð•s ‚È ‚¤ ‚à ‚Ì ‚Å,‚» ‚Ì "Á'¥ ‚AE‚µ ‚Ä‚Í •‚-§ "x 'Š ‚Ö ‚Ì 'Š "] ˆÚ ‚â •ª ‰ð•E•¸ ‰Ø ‚Ì-}• §,"½ ‰ž •EOE‹•» ‰»‚Ì '£ •i ‚ª ‹" ‚° ‚ç ‚ê ‚é •BFig.1‚É ƒx ƒ‹ ƒgOE^'• 'u ‚ð-p‚¢ ‚½•‚ ˆ³ • ‡ •¬-pƒZ ƒ‹ ‚Ì •\ •¬ ‚𠎦 ‚·4)•B ŽŽ-¿‚͘Z¿‚͘Z •û •»BN•» ƒJ ƒv ƒZƒ‹ ‚É •[ "U OEã,ƒO ƒ‰ƒt ƒ@ƒC ƒgƒq•[ ƒ^•[ "à ‚É '} "ü ‚³ ‚ê ‚é •B •Š 'è ‚Ìˆ³‚̈³-͂܂ʼnÁˆ³Í‚܂ʼnÁˆ³ ‚µ ‚½OEã,ƒO ƒ‰ ƒt ƒ@ƒC ƒg ƒq•[ ƒ^ •[ ‚É 'Ê "d ‚· ‚é ‚± ‚AE‚É ‚ae ‚è‰Á "M‚ð•s ‚È ‚¤ •B ˆê 'è Žž ŠÔ"½‰ž‚ð •s ‚È ‚Á‚½OEã, ‹}-â'€ •ì ‚ð •s ‚È ‚¢,•Å OEã‚Ɉ³-Í‚ð 'å ‹Cˆ³‹Cˆ³ ‚܂ŊJ •ú ‚µ ‚Ä ŽŽ-¿‚ð ‰ñ Žû‚· ‚é •B Table1‚É3d'J ˆÚ ‹à '® ‚Ì ƒQƒ‹ ƒ} ƒj ƒEƒ€ ‰»•¨ ‚Ì ‚¤ ‚¿, 50at.%ˆÈ •ã ƒQƒ‹ ƒ} ƒj ƒEƒ€ ‚ð ŠÜ-L ‚· ‚é 'Š ‚𠎦 ‚· •B*ˆó ‚ð •t ‚µ ‚½'Š ‚Í '´ •‚ ˆ³-Í•ð OE•‰º‚Å• ‡ •¬ ‚³ ‚ê ‚½'Š4•`7)‚Å ‚ ‚è, '¼ ‚Í •½ •t •ó 'Ô •} ' † ‚É ' ¶ •Ý‚· ‚é 'Š ‚Å‚ ‚é •B ‚Ü‚½,Table2 ‚É ‚Í •‚ ˆ³ • ¶ •¬ •¨ ‚Ì • ‡ •¬ •ð OE•‚È ‚ç ‚Ñ ‚ÉOE‹•» •\ '¢ ‚𠎦 ‚µ ‚½•B •½•¬3"N1OEŽ24"ú Žó•t *"OE-k'å Šw•HŠw•" •ª Žq‰» Šw•HŠw‰È,• §980•å 'ä Žs•Â-t ‹ae•r Šª Žš•Â-t •õ Dept. of Molecular Chem. and Eng., Faculty of Eng., Tohoku Univ., Sendai • §980 Japan. 64

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APA

Takizawa, H., & Shimada, M. (1991). Crystal Structures and Physical Properties of Transition Metal Germanides. Journal of Society of Materials Engineering for Resources of Japan, 4(1), 64–74. https://doi.org/10.5188/jsmerj.4.64

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