Unlocking the potential of half-metallicSr2FeMoO6films through controlled stoichiometry and double-perovskite ordering
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چکیده
منابع مشابه
Cation Ordering and Oxygen Stoichiometry in Double Perovskite
OF DOCTORAL DISSERTATION AALTO UNIVERSITY SCHOOL OF SCIENCE AND TECHNOLOGY P.O. BOX 11000, FI-00076 AALTO http://www.aalto.fi Author Eeva-Leena Rautama Name of the dissertation Cation Ordering and Oxygen Stoichiometry in Double Perovskite Systems, (Sr,La)2FeTaO6-δ and LaBaCo2O5+δ Manuscript submitted 30.4.2010 Manuscript revised N/A Date of the defence 16.7.2010 Monograph Article dissertation (...
متن کاملHalf-Metallicity in Pb2CoReO6 Double Perovskite and High Magnetic Ordering Temperature in Pb2CrReO6 Perovskite
Pb2MReO6 (M = Co, Cr) perovskites were prepared by high pressure−high temperature method. Rietveld refinements of synchrotron powder X-ray diffraction show that the crystal structure of Pb2CoReO6 is trigonal (space group R-3) with almost complete ordering of Co and Re cations, while Pb2CrReO6 (space group Pm-3m) is a cubic perovskite with one single site for Cr and Re atoms. The difference betw...
متن کاملEffect of A-Site Cation Ordering on Chemical Stability, Oxygen Stoichiometry and Electrical Conductivity in Layered LaBaCo2O5+δ Double Perovskite
Abstract: The effect of the A-site cation ordering on the chemical stability, oxygen stoichiometry and electrical conductivity in layered LaBaCo2O5`δ double perovskite was studied as a function of temperature and partial pressure of oxygen. Tetragonal A-site cation ordered layered LaBaCo2O5`δ double perovskite was obtained by annealing cubic A-site cation disordered La0.5Ba0.5CoO3 ́δ perovskite ...
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چکیده ندارد.
15 صفحه اولInsights into cationic ordering in Re-based double perovskite oxides
Cationic ordering in Sr2FeReO6 (SFRO) and Sr2CrReO6 (SCRO) is investigated using magnetic property measurement, atomic-scale imaging, and first-principles calculations. We find that the nature of cationic ordering strongly depends on the host oxides, although they have the same crystal symmetry and chemical formula. Firstly, adding Re is effective to enhance the cationic ordering in SFRO, but m...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2011
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.83.014407