Structural properties of Pb{sub 3}Mn{sub 7}O{sub 15} determined from high-resolution synchrotron powder diffraction

Journal Article · Fri May 15 00:00:00 EDT 2009 · Journal of Solid State Chemistry

DOI:https://doi.org/10.1016/j.jssc.2009.02.001· OSTI ID:21370396

Sheptyakov, D V; Schefer, J; Keller, L ^[1]; Boehm, M ^[2]; Gozzo, F ^[3]; Volkov, N V; Sablina, K A; Petrakovskii, G A ^[4]; Grimmer, H; Conder, K ^[5]; Loeffler, J F ^[6]

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1. Laboratory for Neutron Scattering, ETH Zurich and Paul Scherrer Institut, CH-5232 Villigen, PSI (Switzerland)
2. Institut Laue-Langevin, 6 rue Jules Horowitz, BP 156, 38042 Grenoble Cedex 9 (France)
3. Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen, PSI (Switzerland)
4. L.V. Kirensky Institute of Physics, SB RAS, Krasnoyarsk 660036 (Russian Federation)
5. Laboratory for Developments and Methods, Paul Scherrer Institut, CH-5232 Villigen, PSI (Switzerland)
6. Laboratory of Metal Physics and Technology, Department of Materials, ETH Zurich, 8083 Zurich (Switzerland)

We report on the crystallographic structure of the layered compound Pb{sub 3}Mn{sub 7}O{sub 15}. Previous analysis based on laboratory X-ray data at room temperature gave contradictory results in terms of the description of the unit cell. Motivated by recent magnetic bulk measurements of this system [N.V. Volkov, K.A. Sablina, O.A. Bayukov, E.V. Eremin, G.A. Petrakovskii, D.A. Velikanov, A.D. Balaev, A.F. Bovina, P. Boni, E. Clementyev, J. Phys. Condens. Matter 20 (2008) 055217], we re-investigated the chemical structure with high-resolution synchrotron powder diffraction at temperatures between 15 and 295 K. Our results show that the crystal structure of stoichiometric Pb{sub 3}Mn{sub 7}O{sub 15} has a pronounced 2-dimensional character and can be described in the orthorhombic space group Pnma. - The crystal structure of Pb{sub 3}Mn{sub 7}O{sub 15} has been reinvestigated by synchrotron powder diffraction. The compound crystallizes in the orthorhombic space group Pnma and shows no structural transition between 15 and 295 K.

• OSTI ID: 21370396
• Journal Information: Journal of Solid State Chemistry, Vol. 182, Issue 5; Other Information: DOI: 10.1016/j.jssc.2009.02.001; PII: S0022-4596(09)00052-8; Copyright (c) 2009 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; ISSN 0022-4596
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
CRYSTALLOGRAPHY
IRON OXIDES
MANGANESE OXIDES
ORTHORHOMBIC LATTICES
SPACE GROUPS
TEMPERATURE RANGE 0273-0400 K
X-RAY DIFFRACTION
CHALCOGENIDES
COHERENT SCATTERING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DIFFRACTION
IRON COMPOUNDS
MANGANESE COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SCATTERING
SYMMETRY GROUPS
TEMPERATURE RANGE
TRANSITION ELEMENT COMPOUNDS