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

$B;nNAL>(B$B!'(B[ISTEC-Dy5-Ag10%], [ISTEC-Dy10-Ag10%],

[ISTEC-Dy20-Ag10%], [ISTEC-Dy40-Ag0%],

[ISTEC-Dy40-Ag10%]

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

$B!&(BDy123:Dy211=1.0:0.05, 1.0:0.1, 1.0:0.2, 1.0:0.4

$B!&(B Ag$BE:2CNL(B0~10 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

$B!&(B Dy$B7O$OB?$/$N(BRE123$B7O$HHf3S$7$F!"(BTc$B0J2<$NG.EAF3N($N%(%s%O%s%9$N29EY0MB8@-$,FCD'E*$G$"$k!#>F7kBN$N(BDy123$B$G$bF1$8$h$&$J29EY0MB8@-$r<($9!#!J860x$O:#$N$H$3$mJ,$+$i$J$$!K(B

$B!&(B Dy211$B4^M-NL$NA}2C$H6&$KG.EAF3N($N@dBPCM$,Dc2<$9$k!#(B

$B!&(B Ag$B$rE:2C$7$J$$7O$OG.EAF3N(!"G.5/EENO$+$i8+$k$H7k>=@-$dD6EAF3@-$,0-$$$H9M$($i$l$k!#(B