EVIDENCE FOR PAIR-BREAKING IN (R1-XPRX)BA2CU3O7-Y (R = ER, Y, DY, GD, EU) SYSTEMS

被引：52

作者：

XU, YH

GUAN, WY

机构：

[1] Institut für Schicht und Ionentechnik, Forschungszentrum Jülich GmbH, D-5170 Jülich

来源：

APPLIED PHYSICS LETTERS | 1991年 / 59卷 / 17期

关键词：

D O I：

10.1063/1.106067

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We observed that the superconducting critical temperature T(c)(x) of the oxides (R1-xPrx)Ba2Cu3O7-y (R = Er, Y, Dy, Gd, Eu) decreases monotonically with increasing Pr concentration x. Using the reduced parameters T(c)/T(c)(0) and x/x(cr) all the experimental data for five studied systems fall onto the theoretical universal curve of Abrikosov and Gor'kov over the reduced Pr concentration regime, x/x(cr) < 0.6, where x(cr) is the critical concentration of Pr for the complete suppression of superconductivity and T(c)(0) is the T(c) for undoped material. The consistency of these results suggests a pair-breaking mechanism which plays a role in depressing superconductivity in these high T(c) oxides.

引用

页码：2183 / 2185

页数：3

共 22 条

[1]

ABRIKOSOV AA, 1961, ZH EKSP TEOR FIZ, V12, P1243

[2] ANOMALOUS DEPENDENCE OF SUPERCONDUCTING TRANSITION TEMPERATURE ON PARAMAGNETIC IMPURITIES [J].

BENNEMANN, KH .

PHYSICAL REVIEW LETTERS, 1966, 17 (08) :438-+

[3] MAGNETIC-ORDERING IN (Y1-XPRX)BA2CU3O7 AS OBSERVED BY MUON-SPIN RELAXATION [J].

COOKE, DW ;

KWOK, RS ;

LICHTI, RL ;

ADAMS, TR ;

BOEKEMA, C ;

DAWSON, WK ;

KEBEDE, A ;

SCHWEGLER, J ;

CROW, JE ;

MIHALISIN, T .

PHYSICAL REVIEW B, 1990, 41 (07) :4801-4804

[4] SUPERCONDUCTING AND NORMAL STATE PROPERTIES OF Y1-XPRXBA2CU307-DELTA, Y1-XNAXBA2CU307-DELTA [J].

DALICHAOUCH, Y ;

TORIKACHVILI, MS ;

EARLY, EA ;

LEE, BW ;

SEAMAN, CL ;

YANG, KN ;

ZHOU, H ;

MAPLE, MB .

SOLID STATE COMMUNICATIONS, 1988, 65 (09) :1001-1006

[5] MAGNETIC AND SUPERCONDUCTING BEHAVIOR OF THE OXIDES, PR1-XGDXBA2CU3OY [J].

DAS, I ;

SAMPATHKUMARAN, EV ;

VIJAYARAGHAVAN, R ;

NAKAZAWA, Y ;

ISHIKAWA, M .

PHYSICA C, 1991, 173 (5-6) :331-336

[6] EVIDENCE AGAINST HOLE FILLING BY PR IN YBA2CU3O7 [J].

FINK, J ;

NUCKER, N ;

ROMBERG, H ;

ALEXANDER, M ;

MAPLE, MB ;

NEUMEIER, JJ ;

ALLEN, JW .

PHYSICAL REVIEW B, 1990, 42 (07) :4823-4826

[7]

HOR PH, 1987, PHYS REV LETT, V58, P1981

[8] ON NARROWING OF THE RESISTIVE SUPERCONDUCTING TRANSITION IN APPLIED MAGNETIC-FIELDS AND POSITIVE CURVATURE IN HC2(T) IN THE (GD1-XPRX)BA2CU3O7-DELTA SYSTEM [J].

IWASAKI, H ;

DALICHAOUCH, Y ;

MARKERT, JT ;

NIEVA, G ;

SEAMAN, CL ;

MAPLE, MB .

PHYSICA C, 1990, 169 (1-2) :146-151

[9] ELECTRONIC-STRUCTURE OF THE QUENCHED SUPERCONDUCTIVITY MATERIALS Y1-XPRXBA2CU3O7-DELTA [J].

KANG, JS ;

ALLEN, JW ;

SHEN, ZX ;

ELLIS, WP ;

YEH, JJ ;

LEE, BW ;

MAPLE, MB ;

SPICER, WE ;

LINDAU, I .

JOURNAL OF THE LESS-COMMON METALS, 1989, 148 (1-2) :121-132

[10] MAGNETIC-ORDERING AND SUPERCONDUCTIVITY IN Y1-XPRXBA2CU3O7-Y [J].

KEBEDE, A ;

JEE, CS ;

SCHWEGLER, J ;

CROW, JE ;

MIHALISIN, T ;

MYER, GH ;

SALOMON, RE ;

SCHLOTTMANN, P ;

KURIC, MV ;

BLOOM, SH ;

GUERTIN, RP .

PHYSICAL REVIEW B, 1989, 40 (07) :4453-4462

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