FAR-INFRARED AND MICROWAVE INTRAGAP ABSORPTION IN A YBA2CU3O7-DELTA THIN-FILM AT LOW-TEMPERATURE

被引：39

作者：

RENK, KF

GORSHUNOV, B

SCHUTZMANN, J

PRUCKL, A

BRUNNER, B

BETZ, J

ORBACH, S

KLEIN, N

MULLER, G

PIEL, H

机构：

[1] UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS,W-5600 WUPPERTAL 1,GERMANY

[2] ACAD SCI USSR,INST GEN PHYS,MOSCOW V-71,USSR

来源：

EUROPHYSICS LETTERS | 1991年 / 15卷 / 06期

关键词：

PEROVSKITE PHASE SUPERCONDUCTORS; SUPERCONDUCTING FILMS; OPTICAL PROPERTIES OF THIN FILMS (INC SUPERLATTICES; HETEROSTRUCTURES; AND INTERCALATION COMPOUNDS);

D O I：

10.1209/0295-5075/15/6/017

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on a study of far-infrared and microwave intragap absorption of a YBa2Cu3O7-delta thin film at low temperature. Our results suggest a superconducting energy gap with 2-DELTA(0)/k(B)T(c) almost-equal-to 7 and residual, intragap absorption for temperatures T << T(c) that consists of three portions, a microwave and a far-infrared band of possibly nonintrinsic nature and sharp phonon resonances of intrinsic nature.

引用

页码：661 / 666

页数：6

共 17 条

[1] RF RESIDUAL LOSSES, SURFACE IMPEDANCE, AND GRANULARITY IN SUPERCONDUCTING CUPRATES [J].

HALBRITTER, J .

JOURNAL OF APPLIED PHYSICS, 1990, 68 (12) :6315-6326

[2] IN A CLEAN HIGH-TC SUPERCONDUCTOR YOU DO NOT SEE THE GAP [J].

KAMARAS, K ;

HERR, SL ;

PORTER, CD ;

TACHE, N ;

TANNER, DB ;

ETEMAD, S ;

VENKATESAN, T ;

CHASE, E ;

INAM, A ;

WU, XD ;

HEGDE, MS ;

DUTTA, B .

PHYSICAL REVIEW LETTERS, 1990, 64 (01) :84-87

[3] MILLIMETER WAVE SURFACE-RESISTANCE OF EPITAXIALLY GROWN YBA2CU3O7-X THIN-FILMS [J].

KLEIN, N ;

MULLER, G ;

PIEL, H ;

ROAS, B ;

SCHULTZ, L ;

KLEIN, U ;

PEINIGER, M .

APPLIED PHYSICS LETTERS, 1989, 54 (08) :757-759

[4]

KOCH B, 1990, SPRINGER SERIES SOLI, V99, P290

[5] LATTICE-DYNAMICS OF THE HIGH-TC SUPERCONDUCTOR YBA2CU3O7-X [J].

KRESS, W ;

SCHRODER, U ;

PRADE, J ;

KULKARNI, AD ;

DEWETTE, FW .

PHYSICAL REVIEW B, 1988, 38 (04) :2906-2909

[6] THEORY OF THE ANOMALOUS SKIN EFFECT IN NORMAL AND SUPERCONDUCTING METALS [J].

MATTIS, DC ;

BARDEEN, J .

PHYSICAL REVIEW, 1958, 111 (02) :412-417

[7] SURVEY OF MICROWAVE SURFACE IMPEDANCE DATA OF HIGH-TC SUPERCONDUCTORS - EVIDENCE FOR NONPAIRING CHARGE-CARRIERS [J].

MULLER, G ;

KLEIN, N ;

BRUST, A ;

CHALOUPKA, H ;

HEIN, M ;

ORBACH, S ;

PIEL, H ;

RESCHKE, D .

JOURNAL OF SUPERCONDUCTIVITY, 1990, 3 (03) :235-242

[8]

NUSS MC, UNPUB TIME DOMAIN ME

[9]

PIEL H, 1991, IN PRESS IEEE T MAGN, V27

[10] PHONONS IN YBA2CU3O7-DELTA [J].

REICHARDT, W ;

PYKA, N ;

PINTSCHOVIUS, L ;

HENNION, B ;

COLLIN, G .

PHYSICA C, 1989, 162 :464-465

← 1 2 →