منابع مشابه
On the Sr1−xBaxFeO2F Oxyfluoride Perovskites: Structure and Magnetism from Neutron Diffraction and Mössbauer Spectroscopy
Four oxyfluorides of the title series (x = 0.00, 0.25, 0.50, 0.75) have been stabilized by topotactic treatment of perovskite precursors Sr1-xBaxFeO3-δ prepared by soft-chemistry procedures, yielding reactive materials that can easily incorporate a substantial amount of F atoms at moderate temperatures, thus avoiding the stabilization of competitive SrF₂ and BaF₂ parasitic phases. XRD and Neutr...
متن کاملConstraining the Origins of the Magnetism of Lepidocrocite (γ-FeOOH): A Mössbauer and Magnetization Study
1 Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie, Sorbonne Universités – UPMC – Centre National de la Recherche Scientifique UMR 7590 – Muséum National d’Histoire Naturelle – Institut de Recherche pour le Développement UMR 206, Paris, France, 2 Service de Physique de l’Etat Condensé, CEA, Centre National de la Recherche Scientifique, Université Paris-Saclay, CEA-Saclay, G...
متن کاملEPR and Mössbauer studies of benzoyl-CoA reductase.
Benzoyl-CoA reductase catalyzes the two-electron transfer from a reduced ferredoxin to the aromatic ring of benzoyl-CoA; this reaction is coupled to stoichiometrical ATP hydrolysis. A very low reduction potential (less than -1 V) is required for the first electron transfer to the aromatic ring. In this work the nature of the redox centers of purified benzoyl-CoA reductase from Thauera aromatica...
متن کاملChloroperoxidase compound I: Electron paramagnetic resonance and Mössbauer studies.
The green primary compound of chloroperoxidase was prepared by freeze-quenching the enzyme after rapid mixing with a 5-fold excess of peracetic acid. The electron paramagnetic resonance (EPR) spectra of these preparations consisted of at least three distinct signals that could be assigned to native enzyme, a free radical, and the green compound I as reported earlier. The absorption spectrum of ...
متن کاملMössbauer Spectroscopic Studies of Monosubstituted Pentacyano Ferrate ( II ) Complexes ,
Mössbauer Spectra, Hexacoordinate Complexes A series of compounds Na3[Fe(CN)5RNH2] * nH 20 where R = -H, -CH3, -C2H5, n-C3H7, n-C4H9 and -CH2C6H5 and RNH2 = C5H5N have been studied by Mössbauer spectroscopy. Quadrupole splitting (A EQ) values vary in a limited range (0.68-0.80 mm/sec) indicating only small distortions in the octahedral geometry of the compounds with the substitution of various ...
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ژورنال
عنوان ژورنال: AIP Advances
سال: 2021
ISSN: 2158-3226
DOI: 10.1063/9.0000108