EFFECTS OF FIELD-INDUCED HOLE-DENSITY MODULATION ON NORMAL-STATE AND SUPERCONDUCTING TRANSPORT IN YBA2CU3O7-X

被引：152

作者：

XI, XX ^{[1
]}

DOUGHTY, C ^{[1
]}

WALKENHORST, A ^{[1
]}

KWON, C ^{[1
]}

LI, Q ^{[1
]}

VENKATESAN, T ^{[1
]}

机构：

[1] UNIV MARYLAND,DEPT ELECT ENGN,COLLEGE PK,MD 20742

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.68.1240

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The hole-density dependence of the normal-state resistivity and transition temperature T(c) of YBa2Cu3O7-x was studied using the electric field effect in ultrathin films of 1 to 8 unit cells thickness. The change in resistivity was found to bc equal to the field-induced variation in the areal carrier density, leading to a relation that the conductivity is proportional to the hole density. A similar linear dependence was also found in T(c). However, a saturation occurred in both cases but at different hole densities. The result reveals different effects of hole filling in influencing normal-state and superconducting transport of YBa2Cu3O7-x.

引用

页码：1240 / 1243

页数：4

共 23 条

[21] UNIVERSAL CORRELATIONS BETWEEN TC AND NS/M-STAR (CARRIER DENSITY OVER EFFECTIVE MASS) IN HIGH-TC CUPRATE SUPERCONDUCTORS
UEMURA, YJ
LUKE, GM
STERNLIEB, BJ
BREWER, JH
CAROLAN, JF
HARDY, WN
KADONO, R
KEMPTON, JR
KIEFL, RF
KREITZMAN, SR
MULHERN, P
RISEMAN, TM
WILLIAMS, DL
YANG, BX
UCHIDA, S
TAKAGI, H
GOPALAKRISHNAN, J
SLEIGHT, AW
SUBRAMANIAN, MA
CHIEN, CL
CIEPLAK, MZ
XIAO, G
LEE, VY
STATT, BW
STRONACH, CE
KOSSLER, WJ
YU, XH
[J]. PHYSICAL REVIEW LETTERS, 1989, 62 (19) : 2317 - 2320
[22] WALKENHORST A, IN PRESS APPL PHYS L
[23] ELECTRIC-FIELD EFFECT IN HIGH-TC SUPERCONDUCTING ULTRATHIN YBA2CU3O7-X FILMS
XI, XX
LI, Q
DOUGHTY, C
KWON, C
BHATTACHARYA, S
FINDIKOGLU, AT
VENKATESAN, T
[J]. APPLIED PHYSICS LETTERS, 1991, 59 (26) : 3470 - 3472

← 1 2 3 →