$B;nNAL>(B$B!'(BYBaCuO$B7O%P%k%/D6EAF3BN!J?7F|oD!J3t!K@=!K(B

$B!!!!!!!!(B [NSC-Y0-Ag0%-Pt0.5%]

$B!!!!!!!!(B $B!&(Bab$BLLFb(B

$B!&(BY123:Y211=1.0:0 (Y211$B4^M-NL(B 0 mol.%)

$B!&(B Ag$BE:2CNL(B0 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%$%s%2!<%8K!!K!"(B(e)$BEE5$Dq93N((Br$B!JD>N.;MC<;RK!!K(B

$BB,Dj29EYHO0O(B$B!'(B10〜300K$B!J%<%m<'>l$*$h$S(B10T$B$^$G$N<'>lCf!K(B

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

$B!J#1!K(B $B%<%m<'>lCfB,Dj%G!<%?(B

$B!J#2!K(B $B<'>lCfG.EAF3N(!"EE5$Dq93N(B,Dj%G!<%?(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 $B!H(B Thermal conductivity of YBaCuO bulk superconductors under applied field -- Effect of content and size of Y211 phase --$B!I(B, H. Fujishiro, H. Teshima, M. Ikebe and K. Noto, Physica C 392-396 P1 (2003) pp. 171-174.