نتایج جستجو برای: oxyfluoride
تعداد نتایج: 244 فیلتر نتایج به سال:
Gapless spin liquid ground state in the S = 1⁄2 vanadium oxyfluoride kagome antiferromagnet [ NH 4 ]
1 CSEC and School of Chemistry, The University of Edinburgh, Edinburgh, EH9 3JZ, United Kingdom 2 Laboratoire de Physique des Solides, UMR CNRS, Université Paris-Sud, 91504 Orsay, France 3 School of Chemistry and EaSTChem, University of St Andrews, St Andrews, KY16 9ST, United Kingdom 4 ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX110QX, United Kingdom 5 Department of...
The title compound, [Mo(2)F(2)O(5)(C(10)H(8)N(2))(2)], is a centrosymmetric binuclear molybdenum(VI) species with the metal atoms in a distorted octa-hedral environment. The coordination geometries of the symmetry-equivalent molybdenum sites are defined by the cis-terminal oxide groups and the N-atom donors of the bipyridyl ligand in the equatorial plane with axial F and bridging O atoms. The b...
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...
1 Instituto de Cerámica y Vidrio, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain, 2 Microdevices for Photonics Laboratory (MIP-LAB), Istituto di Fisica Applicata “Nello Carrara”, Consiglio Nazionale delle Ricerche (CNR), Sesto Fiorentino, Italy, 3 Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Roma, Italy, 4 Instituto de Catálisis y Petroleoquímica, Co...
Erbium L(3)-edge extended x-ray absorption fine structure (EXAFS) measurements were performed on rare earth doped fluorosilicate and fluoroborate glasses and glass ceramics. The well known nucleating effects of erbium ions for the crystallization of cubic lead fluoride (based on x-ray diffraction measurements) and the fact that the rare earth ions are present in the crystalline phase (as indica...
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