BaMnO3-x revisited:: A structural and magnetic study

被引：100

作者：

Adkin, Josephine J. ^{[1
]}

Hayward, Michael A. ^{[1
]}

机构：

[1] Univ Oxford, Dept Chem, Inorgan Chem Lab, Oxford OX1 3QR, England

来源：

CHEMISTRY OF MATERIALS | 2007年 / 19卷 / 04期

关键词：

D O I：

10.1021/cm062055r

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：

The synthesis and structural characterization of 15R-, 8H-, 6H'-, and 10H-BaMnO3-x and 9R-Ba0.875Sr0.125MnO3 is described. Neutron powder diffraction data reveal a strong preference for the location of anion vacancies within the face-shared hexagonal layers of these phases. At high anion vacancy concentrations, Mn2O9-x dimer units become prevalent. Magnetic characterization indicates antiferromagnetic order in all phases. Ordering temperatures are in the range 250 K < T < 270 K and show a dependence on the fraction of cubic layers present in the stacking sequence.

引用

页码：755 / 762

页数：8

共 21 条

[1] Structure and magnetism of 4H-BaMnO3-x (0≤x≤0.35) and 4H-Ba0.5Sr0.5MnO3-x (0≤x≤0.21) [J].

Adkin, JJ ;

Hayward, MA .

JOURNAL OF SOLID STATE CHEMISTRY, 2006, 179 (01) :70-76

[2] THE STRUCTURAL AND MAGNETIC-PROPERTIES OF SRMNO3 - A REINVESTIGATION [J].

BATTLE, PD ;

GIBB, TC ;

JONES, CW .

JOURNAL OF SOLID STATE CHEMISTRY, 1988, 74 (01) :60-66

[3] MAGNETORESISTANCE IN MAGNETIC MANGANESE OXIDE WITH INTRINSIC ANTIFERROMAGNETIC SPIN STRUCTURE [J].

CHAHARA, K ;

OHNO, T ;

KASAI, M ;

KOZONO, Y .

APPLIED PHYSICS LETTERS, 1993, 63 (14) :1990-1992

[4]

Chamberland B. L., 1970, J SOLID STATE CHEM, V1, P506

[5] Crystal and magnetic structures of 2H BaMnO3 [J].

Cussen, EJ ;

Battle, PD .

CHEMISTRY OF MATERIALS, 2000, 12 (03) :831-838

[6] Tolerance factor rules for Sr1-x-yCaxBayMnO3 perovskites [J].

Dabrowski, B ;

Chmaissem, O ;

Mais, J ;

Kolesnik, S ;

Jorgensen, JD ;

Short, S .

JOURNAL OF SOLID STATE CHEMISTRY, 2003, 170 (01) :154-164

[7] The laws of crystal chemistry [J].

Goldschmidt, VM .

NATURWISSENSCHAFTEN, 1926, 14 :477-485

[8] MICROSTRUCTURAL INVESTIGATION OF OXYGEN-DEFICIENT BAMNO3-Y HEXAGONAL PEROVSKITES [J].

GONZALEZCALBET, JM ;

PARRAS, M ;

ALONSO, JM ;

VALLETREGI, M .

JOURNAL OF SOLID STATE CHEMISTRY, 1993, 106 (01) :99-110

[9] PREDICTION OF NOVEL BAMNO3-Y (0-LESS-THAN-Y-LESS-THAN-0.1) PEROVSKITE RELATED PHASES [J].

GONZALEZCALBET, JM ;

PARRAS, M ;

ALONSO, J ;

VALLETREGI, M .

JOURNAL OF SOLID STATE CHEMISTRY, 1994, 111 (01) :202-207

[10]

Goodenough J.B., 1963, Magnetism and the Chemical Bond

← 1 2 3 →