HIGH-SENSITIVITY OF POSITRONS TO OXYGEN VACANCIES AND TO COPPER-OXYGEN CHAIN DISORDER IN YBA2CU3O7-X

被引:108
作者
VONSTETTEN, EC
BERKO, S
LI, XS
LEE, RR
BRYNESTAD, J
SINGH, D
KRAKAUER, H
PICKETT, WE
COHEN, RE
机构
[1] OAK RIDGE NATL LAB,OAK RIDGE,TN 37831
[2] COLL WILLIAM & MARY,WILLIAMSBURG,VA 23185
[3] USN,RES LAB,WASHINGTON,DC 20375
关键词
D O I
10.1103/PhysRevLett.60.2198
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
引用
收藏
页码:2198 / 2201
页数:4
相关论文
共 24 条
[1]   FERMI-SURFACE AND CONDUCTION ELECTRONS OF NA0.64WO3 BY TWO-DIMENSIONAL ANGULAR-CORRELATION OF POSITRON-ANNIHILATION RADIATION [J].
AKAHANE, T ;
HOFFMANN, KR ;
CHIBA, T ;
BERKO, S .
SOLID STATE COMMUNICATIONS, 1985, 54 (09) :823-826
[2]  
[Anonymous], 1983, POSITRON SOLID STATE
[3]   IMPROVED HIGH-TC SUPERCONDUCTORS [J].
BHARGAVA, RN ;
HERKO, SP ;
OSBORNE, WN .
PHYSICAL REVIEW LETTERS, 1987, 59 (13) :1468-1471
[4]   INFRARED AND RAMAN-SPECTRA OF THE NEW SUPERCONDUCTING CUPRATE PEROVSKITES DYBA2CU3O7, ERBA2CU3O7, TMBA2CUBO7 [J].
CARDONA, M ;
LIU, R ;
THOMSEN, C ;
BAUER, M ;
GENZEL, L ;
KONIG, W ;
WITTLIN, A ;
AMADOR, U ;
BARAHONA, M ;
FERNANDEZ, F ;
OTERO, C ;
SAEZ, R .
SOLID STATE COMMUNICATIONS, 1988, 65 (01) :71-75
[5]   IONIC CONTRIBUTIONS TO LATTICE INSTABILITIES AND PHONON-DISPERSION IN LA2CUO4 [J].
COHEN, RE ;
PICKETT, WE ;
BOYER, LL ;
KRAKAUER, H .
PHYSICAL REVIEW LETTERS, 1988, 60 (09) :817-820
[6]  
HE Y, 1987, INT J MOD PHYS B, V1, P309
[7]  
HOFFMAN LW, IN PRESS
[8]   ORTHORHOMBIC DISTORTION AT THE SUPERCONDUCTING TRANSITION IN YBA2CU3O7 - EVIDENCE FOR ANISOTROPIC PAIRING [J].
HORN, PM ;
KEANE, DT ;
HELD, GA ;
JORDANSWEET, JL ;
KAISER, DL ;
HOLTZBERG, F ;
RICE, TM .
PHYSICAL REVIEW LETTERS, 1987, 59 (24) :2772-2775
[9]   STUDY OF SUPERCONDUCTORS WITH HIGH TRANSITION-TEMPERATURE BY POSITRON-ANNIHILATION [J].
ISHIBASHI, S ;
YAMAGUCHI, A ;
SUZUKI, Y ;
DOYAMA, M ;
KUMAKURA, H ;
TOGANO, K .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1987, 26 (05) :L688-L689
[10]   POSITRON-ANNIHILATION IN THE HIGH-TEMPERATURE SUPERCONDUCTOR YBA2CU3O6+DELTA [J].
JEAN, YC ;
WANG, SJ ;
NAKANISHI, H ;
HARDY, WN ;
HAYDEN, ME ;
KIEFL, RF ;
MENG, RL ;
HOR, HP ;
HUANG, JZ ;
CHU, CW .
PHYSICAL REVIEW B, 1987, 36 (07) :3994-3996