MODIFYING ACTION OF SN-4+ IONS LOCATED AT THE SURFACE OF A CR2O3 CATALYST INVESTIGATED BY MEANS OF MOSSBAUER-SPECTROSCOPY

被引：16

作者：

FABRITCHNYL, PB ^{[1
]}

SUDAKOVA, NR ^{[1
]}

BERENTSVEIG, VV ^{[1
]}

DEMAZEAU, G ^{[1
]}

AFANASOV, MI ^{[1
]}

ETOURNEAU, J ^{[1
]}

机构：

[1] UNIV BORDEAUX 1,CHIM SOLIDE LAB,CNRS,F-33405 TALENCE,FRANCE

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1992年 / 2卷 / 07期

关键词：

CR2O3; CATALYST; ACTIVE CENTER; MOSSBAUER SPECTROSCOPY;

D O I：

10.1039/jm9920200763

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Sn-119 Mossbauer study of a tin-doped Cr2O3 catalyst has permitted evaluation of the number of surface oxygen vacancies that have been shown to be the sites of adsorption for the active oxygen species.

引用

页码：763 / 764

页数：2

共 9 条

[1]

Fabritchnyi P.B., 1981, SOV PHYS JETP, V54, P608

[2] MAGNETIC HYPERFINE INTERACTIONS AND COMPENSATION MECHANISM OF CHARGE FOR 119SN4+ IMPURITY IONS IN CR2O3 [J].

FABRITCHNYI, PB ;

FEFILATIEV, LP .

SOLID STATE COMMUNICATIONS, 1978, 28 (07) :513-515

[3]

FABRITCHNYI PB, 1985, APPLICATIONS MOSSBAU, V3, P1111

[4]

FABRITCHNYI PB, 1985, APPLICATIONS MOSSBAU, V3, P111

[5] ANTIFERROMAGNETIC RESONANCE IN (CR2O3)1-X (AL2O3)X SINGLE CRYSTALS [J].

FONER, S .

JOURNAL OF APPLIED PHYSICS, 1961, 32 (03) :S63-&

[6]

HEESE J, 1974, J PHYS E, V7, P526

[7]

MITROFANOV KP, 1963, PRIB TEKH EKSP, V3, P49

[8] DETERMINATION OF THE NUMBER OF ACTIVE OXYGEN SPECIES ON THE SURFACE OF CR2O3 CATALYSTS [J].

MIYAMOTO, A ;

UI, T ;

MURAKAMI, Y .

JOURNAL OF CATALYSIS, 1983, 80 (01) :106-113

[9]

NEWNHAM RE, 1962, Z KRISTALLOGRAPHIE, V0117

← 1 →