SYNTHESIS AND CHARACTERIZATION OF MN7GEO1 2, A NEW GERMANIUM AND MANGANESE OXIDE

Authors
GUEHO C LEONE P PALVADEAU P
Citation
C. Gueho et al., SYNTHESIS AND CHARACTERIZATION OF MN7GEO1 2, A NEW GERMANIUM AND MANGANESE OXIDE, Comptes rendus de l'Academie des sciences. Serie 2, Mecanique, physique, chimie, sciences de l'univers, sciences de la terre, 317(5), 1993, pp. 595-600
Citations number
4
Categorie Soggetti
Multidisciplinary Sciences
Journal title
Comptes rendus de l'Academie des sciences. Serie 2, Mecanique, physique, chimie, sciences de l'univers, sciences de la terre → ACNP
ISSN journal
07644450
Volume
317
Issue
5
Year of publication
1993
Pages
595 - 600
Database
ISI
SICI code
0764-4450(1993)317:5<595:SACOM2>2.0.ZU;2-9
Abstract
The structure Of Mn7GeO12 has been determined from a single crystal x- ray diffraction study. It crystallizes in the I4(1)/a c d space group with a = 9.491 (1) angstrom, c = 18.834 (6) angstrom and Z = 8. Mn7GeO 12 is isomorphic to ''braunite''. Manganese atoms with 2+ and 3+ oxida tion states are respectively located in cubic and octahedral sites. Ge is in tetrahedral sites. A preliminary magnetic susceptibility study has been performed.