Zobrazeno 1 - 10
of 98
pro vyhledávání: '"D.H. Ji"'
Publikováno v:
Journal of Alloys and Compounds. 619:228-234
Two series of Ti doped Ni0.68Fe2.32O4 ferrite samples with a single cubic spinel phase were prepared using conventional ceramic methods. A transition temperature, TN, was found when the Ti doping level was x > 0.15, below which temperature the magnet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13ac7bc8c965a103ac9f0cc8a3521d61
https://doi.org/10.1016/j.jallcom.2014.08.252
https://doi.org/10.1016/j.jallcom.2014.08.252
Publikováno v:
Physica B: Condensed Matter. 446:92-99
(A)[B]2O4 spinel ferrite samples with the composition Cux1Crx2Fe3−x1−x2O4 (0.0≤x1≤0.284 and 1.04≥x2≥0.656) were prepared by a chemical co-precipitation method. X-ray diffraction patterns indicated that the samples had a single-phase cubic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43d5474923d7d6e4f1d6fa533f9f5090
https://doi.org/10.1016/j.physb.2014.04.045
https://doi.org/10.1016/j.physb.2014.04.045
Publikováno v:
Physica B: Condensed Matter. 438:91-96
Ferrite powder samples of CrxFe3−xO4 (0.0≤x≤1.0) were prepared by chemical co-precipitation, and calcined in a tube furnace with argon-flow at 1723 K for 2 h. X-ray diffraction patterns indicated that all the samples had an (A)[B]2O4 single pha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99cb81b53b1d3b97b2313380e1a8824c
https://doi.org/10.1016/j.physb.2014.01.010
https://doi.org/10.1016/j.physb.2014.01.010
Publikováno v:
Journal of Alloys and Compounds. 581:616-624
Ferrite samples with the composition Co 1+ x Fe 2− x O 4 (0.0 ⩽ x ⩽ 2.0) were prepared by chemical co-precipitation. The samples exhibited an (A)[B] 2 O 4 single phase cubic spinel structure. Magnetic measurements indicated that the saturation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98287655c9ff088d1cedb8797c0d9593
https://doi.org/10.1016/j.jallcom.2013.07.153
https://doi.org/10.1016/j.jallcom.2013.07.153
Publikováno v:
Rare Metals. 33:452-458
The effects of the calcination temperature on the oxygen content and magnetic properties of the nanocrystalline perovskite manganite La0.75Sr0.25MnO3±δ prepared by the sol–gel method were investigated. The highest temperatures at which the sample
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c26dd36bb1e456928a223d7093f8f14f
https://doi.org/10.1007/s12598-013-0093-2
https://doi.org/10.1007/s12598-013-0093-2
Publikováno v:
Journal of Magnetism and Magnetic Materials. 326:197-200
The ionicity (0.879) of cubic spinel ferrite Fe 3 O 4 has been determined, using both experimental magnetization and density of state calculations from the density functional theory. Furthermore, a quantum mechanical estimation method for the ionicit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35a123f7e817099f1a8d59e32d7e0e7a
https://doi.org/10.1016/j.jmmm.2012.09.016
https://doi.org/10.1016/j.jmmm.2012.09.016
Publikováno v:
Rare Metals. 31:379-386
The fact that there are Mn2+ at the A sites in the ABO3 perovskite phase of manganites with the nominal composition La0.6−xNdxSr0.1-MnO3 showed by detailed experimental study and theoretical calculations. The magnetic moments of these Mn2+ are anti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::857ee6e08f5235587097be4005ffb5ac
https://doi.org/10.1007/s12598-012-0524-5
https://doi.org/10.1007/s12598-012-0524-5
Publikováno v:
Journal of Magnetism and Magnetic Materials. 324:1975-1981
Ferrite samples of the composition Cu0.5−xNi0.5ZnxFe2O4 (0.0≤x≤0.5) were synthesized by chemical co-precipitation. The samples exhibited a single phase cubic spinel structure, and the saturation magnetization of the samples was found to increas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a5b45743c96a6772c690fa25a3e9f92
https://doi.org/10.1016/j.jmmm.2012.01.039
https://doi.org/10.1016/j.jmmm.2012.01.039
Publikováno v:
Journal of Magnetism and Magnetic Materials. 324:1992-1997
Self-doped manganites with nominal composition La 0.6− x Sr 0.4 MnO 3− δ (0≤ x ≤0.175) have been prepared by the sol–gel method. The X-ray diffraction (XRD) patterns and magnetic measurements indicate that the samples have two phases with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83418717c356b0aea9de0ddfcc82051d
https://doi.org/10.1016/j.jmmm.2012.02.005
https://doi.org/10.1016/j.jmmm.2012.02.005
Publikováno v:
physica status solidi (a). 209:766-772
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::337512df68ab43f2007617c345d6e905
https://doi.org/10.1002/pssa.201127646
https://doi.org/10.1002/pssa.201127646