Cu置換によるYIGの低温焼結化  [in Japanese] Low Temperature Sintering of Cu-substituted YIG  [in Japanese]

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Abstract

Co-firing of YIG and conductors enables miniaturized, broadband isolators. The problem is that the conductors are melted in the co-fired body because firing temperatures of YIG are generally higher than the melting points of highly conductive metals like Ag. We have focused on Au as the conductor because it has the highest melting point among highly conductive metals. Then we have tried to reduce firing temperature of YIG by Cu-substitution. When a was 0.05 in (Ca<SUB>2x</SUB>Y<SUB>3-2x</SUB>)(Fe<SUB>5-x-y-z-2α</SUB>V<SUB>x</SUB>Al<SUB>y</SUB>In<SUB>2</SUB>Cu<SUB>α</SUB>Zr<SUB>α</SUB>)O<SUB>12</SUB>, the YIG was able to be fired at 1020°C, lower than melting point of Au (1064°C), with narrow ferromagnetic resonance as ΔH=33Oe. Accordingly it is achieved that sintering temperature is reduced by 60°C compared to the YIG at α=0. It is thought that Cu segregates at grain boundary, when α is larger than 0.05.

Journal

  • Journal of the Japan Society of Powder and Powder Metallurgy

    Journal of the Japan Society of Powder and Powder Metallurgy 49(2), 95-99, 2002-02-15

    Japan Society of Powder and Powder Metallurgy

References:  6

Codes

  • NII Article ID (NAID)
    10008007323
  • NII NACSIS-CAT ID (NCID)
    AN00222724
  • Text Lang
    JPN
  • Article Type
    ART
  • ISSN
    05328799
  • NDL Article ID
    6059908
  • NDL Source Classification
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL Call No.
    Z17-274
  • Data Source
    CJP  NDL  J-STAGE 
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