Chemical, structural and magnetic studie of MnTi(PO) and its solid solution with NaTi(PO)

Autor:	Claude Delmas, H. Fakrane, A. Aatiq, M. Lamire, A. El Jazouli
Rok vydání:	1998
Předmět:	chemistry.chemical_compound Crystallography Paramagnetism chemistry Inorganic chemistry Materials Chemistry Crystal structure Chemical composition Sodium phosphates Magnetic susceptibility Sol-gel Ion Solid solution
Zdroj:	Annales de Chimie Science des Mat�riaux. 23:81-84
ISSN:	0151-9107
DOI:	10.1016/s0151-9107(98)80028-7
Popis:	Summary Na (1−2x) Mn x Ti 2 (PO 4 ) 3 (0 ≤ x ≤ 0.5) phosphates have been prepared by solid state reaction and by sol-gel method. The X-ray diffraction study shows that these materials belong to the Nasicon-type structure. The structure of Mn 0.5 Ti 2 (PO 4 ) 3 has been solved in the R — space group. Mn 2+ ions are ordered in half of M(1) sites. The magnetic study undertaken on Mn 0.5 Ti 2 (PO 4 ) 3 shows a paramagnetic behaviour with absence of Mn 2+ -Mn 2+ interactions even at low temperature.
Databáze:	OpenAIRE
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