Large Exchange Coupling Between Localized Spins and Topological Bands in MnBi2Te4
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202202841
Abstract: Magnetism in topological materials creates phases exhibiting quantized transport phenomena with potential technological applications. The emergence of such phases relies on strong interaction between localized spins and the topological bands, and the consequent formation of… read more here.
Keywords: topological bands; localized spins; exchange; exchange coupling ... See more keywords
Nanoscale integration of oxides and metals in bulk 3D composites: leveraging SrFe12O19/Co interfaces for magnetic exchange coupling
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science"
DOI: 10.1007/s10853-019-03323-z
Abstract: AbstractThe integration of different material classes (e.g, oxides and metals) with nanoscale dimensions in large 3D materials remains a fundamental challenge in nanocomposite fabrication. The incentive is that some of the most interesting properties occur… read more here.
Keywords: nanoscale integration; magnetic exchange; oxides metals; exchange coupling ... See more keywords
Exchange-coupling behavior in soft/hard Li0.3Co0.5Zn0.2Fe2O4/SrFe12O19 core/shell composite synthesized by the two-step ball-milling-assisted ceramic process
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-018-0429-7
Abstract: Soft/hard xLi0.3Co0.5Zn0.2Fe2O4@(1 − x)SrFe12O19 (x = 0.1, 0.2, and 0.3) core/shell magnetic composites have been synthesized by the two-step ball-milling-assisted ceramic process. X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibrating sample magnetometer are employed to analysis of structural… read more here.
Keywords: soft hard; core shell; 5zn0 2fe2o4; 3co0 5zn0 ... See more keywords
Exchange-coupling effect in hard/soft SrTb0.01Tm0.01Fe11.98O19/AFe2O4 (where A = Co, Ni, Zn, Cu and Mn) composites
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.11.201
Abstract: Abstract In this study, series of hard/soft SrTb0.01Tm0.01Fe11.98O19/AFe2O4 (where A = Co, Ni, Zn, Cu and Mn) composites were fabricated via a single-pot citrate sol-gel approach. The structure, morphology and magnetic properties of prepared composite samples were… read more here.
Keywords: afe2o4; srtb0 01tm0; 01fe11 98o19; 01tm0 01fe11 ... See more keywords
Magnetic properties improvement through exchange-coupling in hard/soft SrFe12O19/Co nanocomposite
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.09.089
Abstract: Abstract In this paper, an exchange spring magnet with a new composition and improved magnetic performance was prepared and investigated. Accordingly, SrFe12O19/Co nanocomposite with various hard/soft magnetic phase ratios were prepared and inspected. Due to… read more here.
Keywords: srfe12o19 nanocomposite; magnetic properties; exchange; hard soft ... See more keywords
Interface exchange coupling induced enhancements in coercivity and maximal magnetic energy product of BaFe12O19/Co3O4 nanocomposites
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.04.284
Abstract: Abstract Ferri/antiferromagnetic BaFe12O19/Co3O4 nanocomposites were prepared by annealing the compacted mixture of hydrothermal BaFe12O19 and Co(OH)2 nanoplates at 400 °C for 12 h. The microstructural characterization by XRD, FESEM/EDS, TEM, TG/DSC and Raman spectroscopy revealed that hexagonal… read more here.
Keywords: bafe12o19; co3o4 nanocomposites; bafe12o19 co3o4; exchange coupling ... See more keywords
Role of an ultrathin platinum seed layer in antiferromagnet-based perpendicular exchange coupling and its electrical manipulation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2016.12.128
Abstract: Abstract The requirement for low-power consumption advances the development of antiferromagnetic (AFM) spintronics manipulated by electric fields. Here we report an electrical manipulation of metallic AFM moments within IrMn/[Co/Pt] by interface engineering, where ultrathin non-magnetic… read more here.
Keywords: seed; electrical manipulation; perpendicular exchange; afm ... See more keywords
Exchange bias in tetragonal-like BiFeO 3 /Sr 2 FeMoO 6 bilayer
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2018.05.063
Abstract: Abstract Exchange bias in the bilayer of half-metallic La0.7Sr0.3MnO3 and multiferroic BiFeO3 has been applied for the electric field control of magnetization, which is strongly limited by the much low blocking temperature of about 100 K… read more here.
Keywords: blocking temperature; exchange bias; tetragonal like; exchange ... See more keywords
Tuning the exchange coupling in pulse laser deposited cobalt ferrite thin films by hydrogen reduction
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.03.133
Abstract: Abstract Pulse laser deposited cobalt ferrite CoFe2O4 (CFO) thin films were transformed to CFO/Co-Fe solid solution hard/soft nanocomposite thin films by annealing the CFO films in hydrogen atmosphere. By controlling the annealing time, the level… read more here.
Keywords: thin films; laser deposited; spectroscopy; exchange coupling ... See more keywords
Enhancement on the exchange coupling behavior of SrCo0.02Zr0.02Fe11.96O19/MFe2O4 (M = Co, Ni, Cu, Mn and Zn) as hard/soft magnetic nanocomposites
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.166308
Abstract: Abstract Hard/soft SrCo0.02Zr0.02Fe11.96O19/MFe2O4 (M = Ni, Co, Cu, Mn and Zn) nanocomposites have been fabricated efficiently via one-pot sol-gel combustion route. The influence of different type of spinel were examined by XRD (X-ray diffraction), SEM – TEM… read more here.
Keywords: 02zr0 02fe11; 02fe11 96o19; srco0 02zr0; hard soft ... See more keywords
Enhancement and recovery of magnetic exchange coupling properties in SrFe11AlO19@NiFe2O4 core-shell structure by multiple TiO2 and SiO2 nanolayer shells
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2021.167932
Abstract: Abstract The exchange coupling of magnetic hard/soft SrFe11AlO19@NiFe2O4 (SFAO@NFO) core-shell structure was investigated by taking into consideration the effects of TiO2 (TO) and SiO2 (SO) nanoparticles as multiple shells. The SFAO@NFO core-shell structure was synthesized… read more here.
Keywords: exchange coupling; shell structure; core shell;