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Applications of Mössbauer Spectroscopy to Problems in Solid‐State Chemistry
Author(s) -
Greenwood Norman N.
Publication year - 1971
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.197107161
Subject(s) - mössbauer spectroscopy , diamagnetism , quadrupole splitting , hyperfine structure , wüstite , quadrupole , stoichiometry , atomic diffusion , solid solution , annealing (glass) , mössbauer effect , chemistry , materials science , nuclear magnetic resonance , analytical chemistry (journal) , crystallography , oxide , atomic physics , magnetic field , metallurgy , physics , quantum mechanics , chromatography
The factors influencing the chemical isomer shift, quadrupole splitting and hyperfine magnetic interactions, are briefly summarized and applications to solid state systems reviewed. New results on the disordered rutile phases Fe 2 MgF 6 , FeMg 2 F 6 , and FeCoNiF 2 , and on the trirutile phase Li + Fe 2+ Fe 3+ F 6 are presented to illustrate the power of the Mössbauer technique in probing details of oxidation states, site symmetries and magnetic ordering. An extensive study on the nonstoichiometric wüstite phase Fe 1−x O is also reported and analyzed in terms of diffusion broadening at high temperatures and defect clustering in quenched samples; the production of essentially stoichiometric FeO by annealing is also discussed. Recent results on the application of large external magnetic fields to diamagnetic compounds of tin are reviewed and results of a Mössbauer investigation of lunar samples returned by the Apollo 11 and 12 missions are discussed.