GdBaCuO$B7O%P%k%/D6EAF3BN$^$H$a!J?7F|oD!J3t!K@=!K(B

$B;nNAL>(B$B!'(B[NSC-Gd40-Ag10%], [NSC-Gd40-Ag10%]

$B!!!!!!!!(B $B!&(Bab$BLLFb$*$h$S(Bc$B<4J}8~;nNA(B

$B!&(BGd123:Gd211=1.0:0.4, 1.0:0.5

$B!&(B Ag$BE:2CNL(B10 wt.%

$B!&(B Pt$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

$B!&(BGd211$BE:2CNL0MB8@-(B(Ag=10wt.%)

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

$B!&(BGd40$B$H(BGd50$B$G$OG.J*@-E*$K$O$"$^$jBg$-$J0c$$$O$J$$!#(B

$B;29MJ88%!'(B

$B!&(B $B!V(BGdBaCuO$B7O%P%k%/D6EAF3BN$NG.E*@-—YBaCuO$B7O$H$NHf3S(B---$B!W!"F#BeGnG7!"CSIt!!3X!"G=EP9(<7!"37 (2002)$B!"(Bpp.659-664.

$B!&(B $B!V(BGdBaCuO$B7O%P%k%/D6EAF3BN$NG.E*@-$B!W!"(B$BCSIt(B $B3X!"F#BeGnG7!"G=EP9(<7!"$BBh#6#72s#2#0#0#2G/=)5(Dc299)3X!&D6EEF33X2qM=9F=8(B [3A-p03]

$B!&(B $B!V(BY$B7O%P%k%/D6EAF3BN$N<'>lCfG.EAF3N(!W!"F#BeGnG7!"BN$OB5W!"CSIt!!U\!"@n0f8&0l!"G=EP9(<7!"Bh#6#62s#2#0#0#2G/=U5(Dc299)3X!&D6EEF33X2qM=9F=8(B [A3-3]

$B!&(B $B!!(B$B!H(B Thermal conductivity of YBaCuO bulk superconductors under applied field -- Effect of content and size of Y211 phase --$B!I(B, H. Fujishiro, H. Teshima, M. Ikebe and K. Noto, Physica C 392-396 P1 (2003) pp. 171-174.