Gap in the infrared response of HgBa2Ca2Cu3O8+δ

被引：32

作者：

McGuire, JJ

Windt, M

Startseva, T

Timusk, T

Colson, D

Viallet-Guillen, V ^{[1
]}

机构：

[1] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada

[2] CEA Saclay, DRECAM, SPEC, F-91191 Gif Sur Yvette, France

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.62.8711

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The ab-plane optical spectra of one underdoped and one nearly optimally doped single crystal of HgBa2Ca2Cu3O8+delta were investigated in the frequency range from 40 to 40 000 cm(-1). The frequency-dependent scattering rate was obtained by Kramers Kronig analysis of the reflectance. Both crystals have a gap in the scattering rate of about 1000 cm(-1) which is much larger than the 700-cm(-1) gap seen in optical studies of several cuprates with maximum T-c around 93 K. There appears to be a universal scaling between gap size and maximum T-c for the cuprate superconductors.

引用

页码：8711 / 8714

页数：4

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