X-RAY PHOTOELECTRON SPECTROSCOPIC EVIDENCE FOR CU3+ VALENCE STATE IN SUPERCONDUCTING PHASE, YBA2CU3O7-DELTA

被引:5
作者
CHOY, JH
JUNG, DY
CHOI, QW
机构
来源
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1990年 / 184卷
关键词
D O I
10.1080/00268949008031739
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
引用
收藏
页码:61 / 67
页数:7
相关论文
共 27 条
[11]   LABILE CU-3+ IONS CORRELATED WITH SUPERCONDUCTING PROPERTIES IN YBA2CU3O7-X [J].
DOU, SX ;
LIU, HK ;
BOURDILLON, AJ ;
SAVVIDES, N ;
ZHOU, JP ;
SORRELL, CC .
SOLID STATE COMMUNICATIONS, 1988, 68 (02) :221-225
[12]  
EIKENBUSCH H, 1987, MAT RES B, V22, P1505
[13]   X-RAY PHOTOELECTRON-SPECTROSCOPY STUDY OF Y2BACUO5 AND YBA2CU3O9-DELTA [J].
FJELLVAG, H ;
KAREN, P ;
KJEKSHUS, A ;
GREPSTAD, JK .
SOLID STATE COMMUNICATIONS, 1987, 64 (06) :917-921
[14]   HIGH-TEMPERATURE SUPERCONDUCTIVITY IN THE PRESENCE OF O-2P-CU3D HOLES - A SPECTROSCOPIC STUDY [J].
HORN, S ;
CAI, J ;
SHAHEEN, SA ;
JEON, Y ;
CROFT, M ;
CHANG, CL ;
DENBOER, ML .
PHYSICAL REVIEW B, 1987, 36 (07) :3895-3898
[15]   X-RAY ABSORPTION STUDY OF THE O-2P HOLE CONCENTRATION-DEPENDENCE ON O-STOICHIOMETRY IN YBA2CU3OX [J].
KUIPER, P ;
KRUIZINGA, G ;
GHIJSEN, J ;
GRIONI, M ;
WEIJS, PJW ;
DEGROOT, FMF ;
SAWATZKY, GA ;
VERWEIJ, H ;
FEINER, LF ;
PETERSEN, H .
PHYSICAL REVIEW B, 1988, 38 (10) :6483-6489
[16]   ELECTRONIC-STRUCTURES OF THE YBA2CU3O7-X SURFACE AND ITS MODIFICATION BY SPUTTERING AND ADATOMS OF TI AND CU [J].
MEYER, HM ;
HILL, DM ;
WAGENER, TJ ;
GAO, Y ;
WEAVER, JH ;
CAPONE, DW ;
GORETTA, KC .
PHYSICAL REVIEW B, 1988, 38 (10) :6500-6512
[17]   VALENCE STUDY OF ORTHORHOMBIC AND TETRAGONAL BA2YCU3OY - THE ROLE OF OXYGEN VACANCIES IN HIGH-TC SUPERCONDUCTIVITY [J].
OYANAGI, H ;
IHARA, H ;
MATSUBARA, T ;
TOKUMOTO, M ;
MATSUSHITA, T ;
HIRABAYASHI, M ;
MURATA, K ;
TERADA, N ;
YAO, T ;
IWASAKI, H ;
KIMURA, Y .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1987, 26 (09) :L1561-L1564
[18]   HOLES IN THE OXYGEN (2P) VALENCE BANDS AND THE CONCOMITANT FORMATION OF PEROXIDE-LIKE SPECIES IN METAL-OXIDES - THEIR ROLE IN METALLICITY AND SUPERCONDUCTIVITY [J].
RAO, CNR ;
GANGULY, P ;
HEGDE, MS ;
SARMA, DD .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1987, 109 (22) :6893-6895
[19]   MECHANISM OF HIGH-TEMPERATURE SUPERCONDUCTIVITY IN YBA2CU3O7-DELTA - CRUCIAL ROLE OF OXYGEN [J].
RAO, CNR ;
GANGULY, P ;
GOPALAKRISHNAN, J ;
SARMA, DD .
MATERIALS RESEARCH BULLETIN, 1987, 22 (08) :1159-1163
[20]   REVERSIBLE REDUCTION AND REOXIDATION PROCESSES OF THE TYPE ABO3-REVERSIBLE-ABO3-X OF PEROVSKIT-TYPE METAL-OXIDES [J].
RELLER, A .
BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1986, 90 (08) :742-745