STUDY OF XANES AS USED FOR DETERMINING THE NEAR-NEIGHBOR DISTANCES IN SOME COBALT SYSTEMS

被引:1
作者
CHAKRABORTY, AK [1 ]
CHETAL, AR [1 ]
SARODE, PR [1 ]
机构
[1] UNIV GOA,DEPT PHYS,GOA,INDIA
来源
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1992年 / 130卷 / 01期
关键词
D O I
10.1002/pssa.2211300103
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
X-ray cobalt K-absorption edges in the cobalt systems CoO, CoAl2O4, CoMoO4, Co(NO3)2 . 6 H2O, Co(C2H3O2)2 . 4 H2O, bieberite (CoSO4 mineral form), CoSO4 - 7 H2O, Co(CHO2)2 . 2 H2O are studied using a Cauchois-type X-ray spectrograph. The three XANES structures A, B, and C are observed in the spectra of these systems. The formula, proposed by Mahto and Chetal, is applied to XANES structures A and C to determine the near-neighbour distance in the above systems. The results obtained agree fairly well with the crystallographic values.
引用
收藏
页码:19 / 23
页数:5
相关论文
共 26 条
[1]   ABINITIO STUDIES OF X-RAY ABSORPTION-EDGE IN COPPER-COMPLEXES .1. ATOMIC CU2+ AND CU(II)CL2 [J].
BAIR, RA ;
GODDARD, WA .
PHYSICAL REVIEW B, 1980, 22 (06) :2767-2776
[2]  
BEARDEN JA, 1967, NATIONAL STANDARD RE, V14, P34
[3]   STUDY OF CU K-EDGE IN SOME COPPER(II) OCTAHEDRAL COMPLEXES [J].
BHATTACHARYA, P ;
CHETAL, AR .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1983, 119 (01) :179-183
[4]   MULTIPLE-SCATTERING RESONANCES AND STRUCTURAL EFFECTS IN THE X-RAY-ABSORPTION NEAR-EDGE SPECTRA OF FE-II AND FE-III HEXACYANIDE COMPLEXES [J].
BIANCONI, A ;
DELLARICCIA, M ;
DURHAM, PJ ;
PENDRY, JB .
PHYSICAL REVIEW B, 1982, 26 (12) :6502-6508
[5]  
BIANCONI A, 1983, SPRINGER SER P CHEM, V27, P37
[6]   EXPERIMENTAL-STUDY OF MULTIPLE-SCATTERING IN X-RAY-ABSORPTION NEAR-EDGE STRUCTURE [J].
BUNKER, G ;
STERN, EA .
PHYSICAL REVIEW LETTERS, 1984, 52 (22) :1990-1993
[7]   APPLICATION OF SYNCHROTRON RADIATION TO STRUCTURAL STUDIES OF METALLOPROTEINS [J].
CHAN, SI ;
HU, VW ;
GAMBLE, RC .
JOURNAL OF MOLECULAR STRUCTURE, 1978, 45 (MAY) :239-266
[8]  
ECCLAS TK, 1978, SSRL7801 STANF U REP
[9]   THE MN-K ABSORPTION EDGE IN MANGANESE METAL AND MANGANESE COMPOUNDS [J].
HANSON, H ;
BEEMAN, WW .
PHYSICAL REVIEW, 1949, 76 (01) :118-121
[10]   X-RAY ABSORPTION EDGES OF TRANSITION METAL SALTS [J].
HANSON, HP ;
KNIGHT, JR .
PHYSICAL REVIEW, 1956, 102 (03) :632-635