Site occupation and electric field gradient in acentric neptunite-measurements and evaluations concerning powder- and single crystal - Mössbauer spectroscopy and x-ray diffractometry

Physics and Chemistry of Minerals

Volumn 24, Issue 1, 1997, Pages 2-6

  Lottermoser, W ^a   Forcher, K ^a   Amthauer, G ^a   Kunz, M ^b   Armbruster, T ^b  

^a UNIVERSITY OF SALZBURG   (Austria)

^b UNIVERSITY OF BERN   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC FIELD GRADIENT; MOSSBAUER SPECTROSCOPY; NEPTUNITE; SITE OCCUPANCY; XRD;

EID: 0030738610     PISSN: 03421791     EISSN: None     Source Type: Journal    
DOI: 10.1007/s002690050011     Document Type: Article

References (6)

1. Bancroft GM, Burns AG. Maddock AG (1967) Oxidation state of iron in neptunite from Mössbauer spectroscopy. Acta Crystallogr 22: 934-935
2. Cannillo E, Mazzi F, Rossi G (1996) The crystal structure of neptunite. Acta Crystallogr 21: 200-208
3. Evans RC (1976) Kristallchemie (bearb. von Pickardt J und Riedel E), de Gruyter Verlag Berlin, New York, S. 35
4. 2. Z Kristallogr 133: 301-326
5. Kunz M, Armbruster T, Lager GA, Schultz AJ, Goyette RJ, Lottermoser W, Amthauer G (1991) Fe,Ti Ordering and Octahedral Distortions in Acentric Neptunite: Temperature Dependent X-ray and Neutron Structure Refinements and Mössbauer Spectroscopy. Phys Chem Minerals 18: 199-213
6. 4+ - minerals. Phys Chem Minerals 16: 78-82