Upper mantle oxidation state: Ferric iron contents of Iherzolite spinels by 57Fe Mössbauer spectroscopy and resultant oxygen fugacities
BJ Wood, D Virgo - Geochimica et Cosmochimica Acta, 1989 - Elsevier
The ferric iron contents of spinels from 30 spinel Iherzolite xenoliths have been measured by
57 Fe Mössbauer spectroscopy. The samples are widely dispersed in geographic and …
57 Fe Mössbauer spectroscopy. The samples are widely dispersed in geographic and …
Ferric iron in mantle-derived garnets: Implications for thermobarometry and for the oxidation state of the mantle
The oxidation state of a mantle assemblage may be defined by heterogeneous reactions
between oxygen and iron-bearing minerals. In spinel lherzolites, the presence of Fe 3+ in …
between oxygen and iron-bearing minerals. In spinel lherzolites, the presence of Fe 3+ in …
Correlation between the magnetism of non-stoichiometric zinc ferrites and their catalytic activity for oxidative dehydrogenation of 1-butene
JA Toledo-Antonio, N Nava, M Martınez… - Applied Catalysis A …, 2002 - Elsevier
Non-stoichiometric zinc ferrites, which were used as catalysts for the oxidative
dehydrogentation of 1-butene, were synthesized by using co-precipitation and hydrothermal …
dehydrogentation of 1-butene, were synthesized by using co-precipitation and hydrothermal …
The oxidation state of subcontinental mantle: oxygen thermobarometry of mantle xenoliths from central Asia
The oxygen fugacities of 48 mantle xenoliths from 5 localities in southern Siberia (USSR)
and Mongolia have been determined. Ferric iron contents of spinels were measured by 57 …
and Mongolia have been determined. Ferric iron contents of spinels were measured by 57 …
High frequency dielectric response and magnetic studies of Zn1− xTbxFe2O4 nanocrystalline ferrites synthesized via micro-emulsion technique
Tb 3+-doped nanocrystalline zinc ferrites with a nominal composition of Zn 1− x Tb x Fe 2 O
4 (x= 0, 0.03, 0.06, 0.09, 0.12 and 0.15) were prepared by micro-emulsion method and were …
4 (x= 0, 0.03, 0.06, 0.09, 0.12 and 0.15) were prepared by micro-emulsion method and were …
Mössbauer effect studies of oxidic spinels
RE Vandenberghe, E De Grave - Mössbauer spectroscopy applied to …, 1989 - Springer
Since the determination of the crystal structure of the mineral spinel, MgAh04, by Bragg,! and
Nishikawa2 in 1915, many metal oxides and mixed metal oxides have been found to …
Nishikawa2 in 1915, many metal oxides and mixed metal oxides have been found to …
Effect of AI3+ introduction into hydrothermally prepared ZnFe2O4
JA Toledo, MA Valenzuela, P Bosch… - Applied Catalysis A …, 2000 - Elsevier
The effect of aluminum introduction into the zinc ferrite ZnFe2− xAlxO4 spinel structure was
studied in the concentration range of 0.0≤ x≤ 1.0. Spinel ferrites were obtained by …
studied in the concentration range of 0.0≤ x≤ 1.0. Spinel ferrites were obtained by …
Cation distribution in some natural spinels from X-ray diffraction and Mössbauer spectroscopy
S Carbonin, U Russo, A Della Giusta - Mineralogical Magazine, 1996 - cambridge.org
Three natural spinels of different places of occurrence and compositions were investigated
by means of microprobe chemical analysis, single crystal X-ray diffraction and Mössbauer …
by means of microprobe chemical analysis, single crystal X-ray diffraction and Mössbauer …
Petrogenetic implications of ophiolitic chromite from Rutland Island, Andaman—a boninitic parentage in supra-subduction setting
B Ghosh, T Pal, A Bhattacharya, D Das - Mineralogy and Petrology, 2009 - Springer
Chromites occurring in different modes have been characterized from ophiolites of Rutland
Island, a part of Burma-Andaman-Java subduction complex in the Bay of Bengal. Chromite …
Island, a part of Burma-Andaman-Java subduction complex in the Bay of Bengal. Chromite …
Structural and magnetic properties of pure and doped nanocrystalline cadmium ferrite
NM Deraz, MM Hessien - Journal of Alloys and Compounds, 2009 - Elsevier
The solid-state reaction between pure and alumina or magnesia doped Cd/Fe mixed oxides
have been investigated using DSC, XRD, IR, TEM and VSM techniques. Equimolar …
have been investigated using DSC, XRD, IR, TEM and VSM techniques. Equimolar …