GdBaCuO$B7O%P%k%/D6EAF3BN$^$H$a!J(BISTEC-SRL$B@=!K(B

$B;nNAL>(B$B!'(B[ISTEC-Gd50-Ag0%], [ISTEC-Gd50-Ag10%],

[ISTEC-Gd50-Ag20%], [ISTEC-Gd50-Ag30%]

$B!!!!!!!!(B $B!&(Bab$BLLFb;nNA(B

$B!&(BGd123:Gd211=1.0:0.5

$B!&(B Ag$BE:2CNL(B0~30 wt.%, Pt$BE:2CNL(B 0.5 wt.%

$BB,Dj9`L\$*$h$SB,DjJ}K!(B$B!'(B

(a) $BG.EAF3N((Bk$B!JDj>oG.N.K!!K!"(B(b)$BG.3H;6N((Ba$B!JG$0U2CG.K!!K!"(B(c)$BG.5/EENO(BS$B!JDj>oG.N.K!!K!"(B

(d)$BG.<}=L(BDL/L$B!J%9%H%l%$%s%2!<%8K!!K(B

$BB,Dj29EYHO0O(B$B!'(B10〜300K$B!J%<%m<'>l!K(B

$BB,DjAuCV(B$B!'G.J*@-B,DjAuCV!J4d

$B%3%a%s%H(B

$B!&(B Gd211$B4^M-NL$r(BGd123:Gd211=1.0:0.5$B!J0lDj!K$K$7!"(BAg$BE:2CNL$rJQ2=$5$;$?7k2L!"G.EAF3N($N@dBPCM$O(BAg$BE:2CNL$NA}2C$H6&$KA}Bg$9$k$,!"(B30wt.%$B$G$OK0OB798~$,$"$k!#(B

$B!&(B T_c$B0J2<$NG.EAF3N($N%(%s%O%s%9$NBg$-$5$O(BAg$BE:2CNL$K$h$C$FKX$IJQ2=$7$J$$!#$3$N$3$H$O(BGd123$BAj$NG.EAF3N($+$i8+$?D6EAF3@-$*$h$S7k>=@-$OKX$IJQ2=$7$F$$$J$$$H9M$($i$l$k!#(B

$B!&(B ab$BLLFb$NG.<}=L(BdL/L$B$O(BAg$BE:2CNL$NA}2C$G$o$:$+$KA}Bg$9$k!#(BAg$B$NG.<}=L$O%P%k%/7k>=$N(Bab$BLL$NG.<}=L$h$jBg$-$$$N$GL7=b$7$J$$7k2L$G$"$k$,!"B>

$B!&(B $BG.5/EENO$N7k2L$+$i!"(BGd123$BD6EAF3Aj$O==J,$K;@2=$5$l$F$$$k!J;@AG7gB;$,Hs>o$K>.$5$$!K$H?dDj$G$-$k!#(B