Structure of a Novel Spinel Li0.5Zn5/3Sb2.5/3O4 by Neutron and Synchrotron Diffraction Analysis
AbstractZn7/3Sb2/3O4 is a secondary phase in ZnO-based varistors. Acceptor impurities, such as Li+, increase the resistivity. This effect is produced by a modification of the grain boundary barriers. The role of the cationic distribution in the mentioned events is worth clarifying. The Li0.5Zn5/3Sb2.5/3O4 room-temperature structure was determined by means of a neutron diffraction and synchrotron X-ray diffraction investigation. The title compound was prepared by conventional ceramic process. The elemental composition of the investigated sample was verified by means of electron microscopy—energy dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy. The neutron experiment was performed at the high-intensity neutron diffractometer with position-sensitive detector at the D1B beamline of the Laue-Langevin Institute, Grenoble. The high resolution synchrotron measurement was carried out at MCX beamline of Elettra Sincrotrone Trieste. Rietveld analysis was performed with the FullProf program. Li0.5Zn5/3Sb2.5/3O4 belongs to the spinel family, space group
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Marín-Romero, J.A.; Fuentes-Cobas, L.E.; Rodríguez-Carvajal, J.; Tabasco-Novelo, C.; Quintana, P. Structure of a Novel Spinel Li0.5Zn5/3Sb2.5/3O4 by Neutron and Synchrotron Diffraction Analysis. Crystals 2017, 7, 280.
Marín-Romero JA, Fuentes-Cobas LE, Rodríguez-Carvajal J, Tabasco-Novelo C, Quintana P. Structure of a Novel Spinel Li0.5Zn5/3Sb2.5/3O4 by Neutron and Synchrotron Diffraction Analysis. Crystals. 2017; 7(9):280.Chicago/Turabian Style
Marín-Romero, José A.; Fuentes-Cobas, Luis E.; Rodríguez-Carvajal, Juan; Tabasco-Novelo, Carolina; Quintana, Patricia. 2017. "Structure of a Novel Spinel Li0.5Zn5/3Sb2.5/3O4 by Neutron and Synchrotron Diffraction Analysis." Crystals 7, no. 9: 280.
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