An EXAFS study on Bi2Sr2Ca1-xPrxCu2O8-δ single crystal using polarized synchrotron radiation

被引：2

作者：

Dalela, S. ^{[1
]}

Dalela, B. ^{[2
]}

Neena, D. ^{[1
]}

Alvi, P. A. ^{[1
]}

机构：

[1] Banasthali Univ, Dept Phys, Banasthali 304022, Rajasthan, India

[2] Malviya Natl Inst Technol, Dept Phys, Jaipur, Rajasthan, India

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2011年 / 471卷 / 5-6期

关键词：

Superconductivity; Pr-doped Bi2Sr2Ca1Cu2O8+delta; Cu-K edge; Pr L-III edge EXAFS; ABSORPTION FINE-STRUCTURE; NORMAL-STATE PROPERTIES; NEAR-EDGE STRUCTURE; SUPERCONDUCTIVITY; SYSTEM; XANES;

D O I：

10.1016/j.physc.2010.12.011

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have made polarization dependent Extended X-ray Absorption Fine Structure (EXAFS) measurements on a Bi(2)Sr(2)Ca(1-x)PrxCu(2)O(8-delta) single crystal in the E//a, E//b and E//a boolean AND 45 degrees orientations. The results on Cu-K edge and Pr L-III, edge EXAFS have been discussed to explain the quenching of superconductivity due to the presence of Pr cation as it was known to destruct the superconductivity by disturbing the local environment around Ca. (C) 2011 E.sevier B.V. All rights reserved.

引用

页码：137 / 142

页数：6

共 24 条

[1]

Bianconi A., 1987, Theoretical and Experimental Aspects of Valence Fluctuations. Proceedings of the Fifth International Conference on Valence Fluctuations, P243

[2] CU K-EDGE POLARIZED X-RAY-ABSORPTION NEAR-EDGE STRUCTURE OF BI2CASR2CU2O8 [J].

BIANCONI, A ;

LI, CX ;

CAMPANELLA, F ;

DELLALONGA, S ;

PETTITI, I ;

POMPA, M ;

TURTU, S ;

UDRON, D .

PHYSICAL REVIEW B, 1991, 44 (09) :4560-4569

[3] LATTICE EFFECTS IN HIGH-TEMPERATURE SUPERCONDUCTORS [J].

EGAMI, T ;

BILLINGE, SJL .

PROGRESS IN MATERIALS SCIENCE, 1994, 38 :359-424

[4] CE AND TB SUBSTITUTION FOR Y IN YBA2CU3O7 THIN-FILMS [J].

FINCHER, CR ;

BLANCHET, GB .

PHYSICAL REVIEW LETTERS, 1991, 67 (20) :2902-2905

[5]

FISK L, 1987, SOLID STATE COMMUN, V62, P743

[6] Polarization-dependent XANES study of Bi2Sr2Ca1-xPrxCu2O8-δ insulating single crystal [J].

Garg, KB ;

Dalela, S ;

Dalela, B ;

Venkatesh, S ;

Lee, JF ;

Choy, JH ;

Chaturvedi, D ;

Singhal, RK ;

Garcia-Ruiz, J .

JOURNAL OF SYNCHROTRON RADIATION, 2001, 8 :842-844

[7] SUPERCONDUCTIVITY ABOVE 90 K IN THE SQUARE-PLANAR COMPOUND SYSTEM ABA2CU3O6+X WITH A = Y, LA, ND, SM, EU, GD, HO, ER, AND LU [J].

HOR, PH ;

MENG, RL ;

WANG, YQ ;

GAO, L ;

HUANG, ZJ ;

BECHTOLD, J ;

FORSTER, K ;

CHU, CW .

PHYSICAL REVIEW LETTERS, 1987, 58 (18) :1891-1894

[8] ONE-ELECTRON EXCITATIONS AND SHAKE UP SATELLITES IN CU K-EDGE X-RAY ABSORPTION NEAR EDGE STRUCTURE (XANES) OF LA2CUO4 BY FULL MULTIPLE-SCATTERING ANALYSIS IN REAL SPACE [J].

LI, CX ;

POMPA, M ;

CASTELLANO, AC ;

DELLALONGA, S ;

BIANCONI, A .

PHYSICA C, 1991, 175 (3-4) :369-380

[9]

Lide D. R., 1994, CRC HDB CHEM PHYSICS, P10

[10] X-ray absorption spectroscopy of detwinned PrxY1-xBa2Cu3O7-y, single crystals: Electronic structure and hole distribution [J].

Merz, M ;

Nucker, N ;

Pellegrin, E ;

Schweiss, P ;

Schuppler, S ;

Kielwein, M ;

Knupfer, M ;

Golden, MS ;

Fink, J ;

Chen, CT ;

Chakarian, V ;

Idzerda, YU ;

Erb, A .

PHYSICAL REVIEW B, 1997, 55 (14) :9160-9172

← 1 2 3 →