Zobrazeno 1 - 10
of 555
pro vyhledávání: '"R. Olazcuaga"'
Autor:
Teófilo Rojo, José L. Pizarro, José L. Mesa, María I. Arriortua, A. Peña, Aitor Larrañaga, R. Olazcuaga
Publikováno v:
Journal of Solid State Chemistry
Journal of Solid State Chemistry, Elsevier, 2005, vo. 178, n° 12, p. 3686-3697. ⟨10.1016/j.jssc.2005.09.034⟩
Journal of Solid State Chemistry, Elsevier, 2005, vo. 178, n° 12, p. 3686-3697. ⟨10.1016/j.jssc.2005.09.034⟩
Two new manganese(II) selenite polymorphs with formula Mn(SeO3)·H2O have been synthesized by slow evaporation from an aqueous solution. The crystal structure of both compounds (1) and (2) have been solved from X-ray diffraction data. The structure o
Autor:
Huang Z; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia., Wang S; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia., Guo X; Faculty of Materials Science and Energy Engineering, Shenzhen University of Advanced Technology, Shenzhen, Guangdong, 518055, China., Marlton F; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia., Fan Y; Institute for Superconducting & Electronic Materials, University of Wollongong, Innovation Campus, Wollongong, NSW, 2500, Australia., Pang WK; Institute for Superconducting & Electronic Materials, University of Wollongong, Innovation Campus, Wollongong, NSW, 2500, Australia., Huang T; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia., Xiao J; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia., Li D; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia., Liu H; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia., Gu Q; Australian Synchrotron, ANSTO, Clayton, VIC, 3168, Australia., Yang CC; Department of Physics, Tamkang University, Tamsui, 25137, Taiwan., Dong CL; Department of Physics, Tamkang University, Tamsui, 25137, Taiwan., Sun B; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia., Wang G; Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
Publikováno v:
Advanced materials (Deerfield Beach, Fla.) [Adv Mater] 2024 Oct 22, pp. e2410857. Date of Electronic Publication: 2024 Oct 22.
Publikováno v:
Journal of Solid State Chemistry. 152:453-459
The phosphate CuI0.5MnII0.25Zr2(PO4)3 can be obtained at 1000°C by exchange reaction in CuII0.5Zr2(PO4)3. It crystallizes in the rhombohedral system (space group R 3 ) with the parameters ah=8.8352(1) A and ch=22.254(5) A in the equivalent hexagonal
Publikováno v:
Materials Research Bulletin. 35:899-908
The phosphate Mn0.5Zr2(PO4)3 can be obtained at high temperature (1400°C). It crystallizes in the rhombohedral system (space group R3) with parameters ah = 8.85(1) and ch = 21.80(5) A in the equivalent hexagonal cell. Its structure, determined by th
Autor:
L. Beaury, A. El Jazouli, J. Derouet, R. Olazcuaga, G. Le Flem, A.El Bouari, Pierre Porcher, J. M. Dance
Publikováno v:
Journal of Solid State Chemistry. 143:230-238
The optical (energy level scheme) and magnetic properties (paramagnetic susceptibility as a function of the temperature and g values) of the polycrystalline Co 0.5 Ti 2 (PO 4 ) 3 were simultaneously reproduced by use of a crystal field theory involvi
Autor:
Pierre Porcher, A.El Bouari, G. Le Flem, L. Beaury, R. Olazcuaga, J. M. Dance, J. Derouet, A. El Jazouli
Publikováno v:
Journal of Solid State Chemistry. 143:224-229
A new cobalt titanium monophosphate has been prepared by low temperature method. It crystallizes with the Nasicon-type structure. The indexation of the X-ray diffraction pattern is consistent with theR 3 or theR32 space groups. The atomic arrangement
Publikováno v:
Annales de Chimie Science des Mat�riaux. 23:73-76
The crystal structure of Ba0.5FeNb(PO4)3 has been refined from X-ray powder diffraction data by the Rietveld profilation method. Ba0.5FeNb(PO4)4 belong to the Nasicon - type structure with space group R—c. Ba3+ ions occupies statistically a half of
Publikováno v:
Annales de Chimie Science des Mat�riaux. 23:77-80
Summary The phosphates Na (1−3x) Eu x Ti 2 (PO 4 ) 3 (0 ≤x ≤ 0.25) have been obtained by solid state reaction at 950 °C. They crystallize in the Nasicon-type structure. The progressive substitution of europium for sodium results in an increase
Publikováno v:
Annales de Chimie Science des Mat�riaux. 23:107-111
A vanadium(III) tris(metaphosphate) compound has been synthesized and characterized. The compound crystallises in the monoclinic space group Ic with lattice parameters a= 10.615(2), b= 19.095(4), c= 9.432(1) A, β= 97.94(1) °. IR and UV-V studies co
Autor:
H. Fakrane, M. Lamire, A. Housni, R. Olazcuaga, A.El Bouari, G. Le Flem, I. Mansouri, A. El Jazouli
Publikováno v:
Journal of Alloys and Compounds. :49-53
The phosphates Na1–3xEuxTi2(PO4)3, M0.5Ti2(PO4)3 and M0.5FeNb(PO4)3 (M is a divalent cation) belong to the Nasicon structural family. The structures have been determined by the Rietveld refinement of the powder X-ray diffraction patterns. The space