Pseudo spin-gap in single-layer high-T-c Cu oxide HgBa2CuO4+delta

被引：52

作者：

Itoh, Y ^{[1
]}

Machi, T ^{[1
]}

Fukuoka, A ^{[1
]}

Tanabe, K ^{[1
]}

Yasuoka, H ^{[1
]}

机构：

[1] INT SUPERCONDUCT TECHNOL CTR, SUPERCONDUCT RES LAB, KOTO KU, TOKYO 135, JAPAN

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1996年 / 65卷 / 12期

关键词：

HgBa2CuO4+delta; high-T-c superconductor; NMR; pseudo spin gap;

D O I：

10.1143/JPSJ.65.3751

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We observed the pseudo spin-gap behavior of spin excitations in lightly doped single-CuO2-layer HgBa2CuO4+delta (T-c = 50, 72 and 80 K) using the Cu NMR spin-echo technique. The results indicate that lightly doped high-T-c Cu oxide inherently possesses the pseudo spin-gap.

引用

页码：3751 / 3753

页数：3

共 29 条

[1] Dependence of superconducting properties on the Cu-valence determined by iodometry in HgBa2CuO4+delta
Fukuoka, A
TokiwaYamamoto, A
Itoh, M
Usami, R
Adachi, S
Yamauchi, H
Tanabe, K
[J]. PHYSICA C, 1996, 265 (1-2): : 13 - 18
[2] GIPPIUS AA, 1996, J PHYS S S2, V46, P1149
[3] Carrier concentration dependence of the spin pseudo-gap behaviors in YBa2Cu3Oy
Goto, A
Yasuoka, H
Ueda, Y
[J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1996, 65 (09) : 3043 - 3048
[4] CU-63 NMR-STUDY OF SPIN DYNAMICS IN LA2-X(SR,BA)XCUOY(0.04-LESS-THAN-OR-EQUAL-TO-X-LESS-THAN-OR-EQUAL-TO-0.16,3.99-LESS-THAN-OR-EQUAL-TOY-LESS-THAN-OR-EQUAL-TO-4.03)
IMAI, T
YOSHIMURA, K
UEMURA, T
YASUOKA, H
KOSUGE, K
[J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1990, 59 (11) : 3846 - 3849
[5] CU NUCLEAR SPIN-SPIN RELAXATION IN TL2BA2CUO6+DELTA
ITOH, Y
YASUOKA, H
HAYASHI, A
UEDA, Y
[J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1994, 63 (01) : 22 - 25
[6] SCALING RELATION OF ELECTRON SPIN-SPIN CORRELATION IN HIGH-TEMPERATURE SUPERCONDUCTORS
ITOH, Y
YASUOKA, H
[J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1994, 63 (07) : 2518 - 2521
[7] CU-63(2) NUCLEAR SPIN-SPIN RELAXATION IN YBA2CU3O6.98, YBA2(CU-63)3O7-DELTA, AND YBA2CU4O8
ITOH, Y
YASUOKA, H
FUJIWARA, Y
UEDA, Y
MACHI, T
TOMENO, I
TAI, K
KOSHIZUKA, N
TANAKA, S
[J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1992, 61 (04) : 1287 - 1298
[8] ITOH Y, UNPUB
[9] ITOH Y, IN PRESS J PHYS SOC
[10] Spin gap in HgBa2Ca2Cu3O8+delta single crystals from Cu-63 NMR
Julien, MH
Carretta, P
Horvatic, M
Berthier, C
Berthier, Y
Segransan, P
Carrington, A
Colson, D
[J]. PHYSICAL REVIEW LETTERS, 1996, 76 (22) : 4238 - 4241

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