GENERIC SUPERCONDUCTING PHASE-BEHAVIOR IN HIGH-T-C CUPRATES - T-C VARIATION WITH HOLE CONCENTRATION IN YBA2CU3O7-DELTA

被引：620
|
作者：
TALLON, JL
BERNHARD, C
SHAKED, H
HITTERMAN, RL
JORGENSEN, JD
机构：
[1] UNIV KONSTANZ, FAC PHYS, D-78434 CONSTANCE, GERMANY
[2] ARGONNE NATL LAB, SCI & TECHNOL CTR SUPERCONDUCTIV, ARGONNE, IL 60439 USA
[3] ARGONNE NATL LAB, DIV MAT SCI, ARGONNE, IL 60439 USA
[4] NUCL RES CTR NEGEV, DEPT PHYS, IL-84190 BEER SHEVA, ISRAEL
[5] BEN GURION UNIV NEGEV, DEPT PHYS, IL-84105 BEER SHEVA, ISRAEL
来源：
PHYSICAL REVIEW B | 1995年 / 51卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.51.12911
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A direct determination of the relationship between Tc and hole concentration p for Y1-xCaxBa2Cu3O7-δ is obtained by investigating the properties of the fully oxygen-deficient (δ1.0) compound for which p=x/2. Measurements of Tc, the thermoelectric power S, and bond-valence sums calculated from neutron-diffraction refinements for various values of x and δ allow the full determination of the relations p=p(δ), Tc=Tc(p), and S=S(T,p) confirming that YBa2Cu3O7-δ satisfies the same universal relations in these quantities as the other high-Tc superconducting cuprates. © 1995 The American Physical Society.
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收藏
页码：12911 / 12914
页数：4
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