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Crystal chemistry of “Li 7 La 3 Zr 2 O 12 ” garnet doped with Al, Ga, and Fe: a short review on local structures as revealed by NMR and Mößbauer spectroscopy studies
A semi-quantitative approach to derive the electric field gradient, applied to synthetic fayalite, α -Fe 2 SiO 4 : a reappraisal
Magnetic and low-temperature structural behavior of clinopyroxene-type FeGeO 3 : A neutron diffraction, magnetic susceptibility, and 57 Fe Mössbauer study
LOW-TEMPERATURE HYDROTHERMAL METAMORPHIC MINERALIZATION OF ISLAND-ARC VOLCANICS, SOUTH APUSENI MOUNTAINS, ROMANIA
THE CRYSTAL STRUCTURE OF SnSb 4 S 7 , A NEW MEMBER OF THE MENEGHINITE HOMOLOGOUS SERIES
Co 2+ -Cu 2+ substitution in bieberite solid-solution series, (Co 1–x Cu x )SO 4 ·7H 2 O, 0.00 ≤ x ≤ 0.46: Synthesis, single-crystal structure analysis, and optical spectroscopy
Single-crystal X-ray diffraction and temperature dependent 57 Fe Mössbauer spectroscopy on the hedenbergite-aegirine (Ca,Na)(Fe 2+ ,Fe 3+ )Si 2 O 6 solid solution
Comprehensive chemical analyses of a cordierite from Kiranur, South India, and of an ilvaite from Serifos, Greece: Two new microprobe reference samples
Microporous cobalto- and zincophosphates with the framework-type of cancrinite
Hagendorfite (Na,Ca)MnFe 2 (PO 4 ) 3 from type locality Hagendorf (Bavaria, Germany) : crystal structure determination and 57 Fe Mössbauer spectroscopy
Octahedral cation partitioning in Mg,Fe 2+ -olivine. Mössbauer spectroscopic study of synthetic (Mg 0.5 Fe 2+ 0.5 ) 2 SiO 4 (Fa 50 )
Structural variations in the brownmillerite series Ca 2 (Fe 2− x Al x )O 5 : Single-crystal X-ray diffraction at 25 °C and high-temperature X-ray powder diffraction (25 °C ≤ T ≤ 1000 °C)
Mössbauer spectroscopy: Basic principles
Abstract Among the various spectroscopic methods which today are applied in geochemistry and mineralogy, Mössbauer spectroscopy plays an important role for mainly two reasons: First, the high resolution and accuracy of the method enables quantitative measurements by the detection of very small energy differences. Second, although the applicability of Mössbauer spectroscopy is limited to a relatively small number of isotopes, the most suitable and common Mössbauer active element, iron, belongs to the five most abundant elements of the earth, and is by far the most abundant transition element. Accordingly, many of the important rock-forming or ore minerals contain iron as a main or substitutional ion and much important petrological and geochemical information may be obtained by the study of iron, using the Mössbauer effect. For instance, the oxygen fugacity f O 2 is a very important parameter in rocks and ore forming processes. Changing Fe 2+ /Fe 3+ ratios in Fe-bearing minerals document varying oxygen fugacities during their formation and their subsequent geological history. The Mössbauer effect is particularly well suited to study special properties of transition metals (such as Fe), e.g. changing oxidation and spin states, site-dependent electrical fields, magnetic hyperfine interactions etc. Therefore, most of the Mössbauer studies in geochemistry and mineralogy are made on 57 Fe. Similarly, this paper deals mainly with Mössbauer spectroscopy on 57 Fe, which is the Mössbauer active Fe isotope with 2.17% natural abundance. However, there are a number of other Mössbauer isotopes, such as 119 Sn, 121 Sb, 197 Au etc ., which have been investigated successfully with regard to geochemical as well as crystal chemical applications.