Magnetic Order and Coupling Phenomena: A Study of Magnetic Structure and Magnetization Reversal Processes in Rare-Earth-Transition-Metal Based Alloys and Heterostructures
This thesis presents recent developments in magnetic coupling phenomena of ferrimagnetic rare-earth transition-metal Tb-Fe alloys and coupled systems consisting of ferri-/ferromagnetic heterostructures. Taking advantage of the tunability of the exchange coupling between ferrimagnetic and ferromagnetic layers by means of stoichiometry of the Tb-Fe layer, the variable number of repetitions in the Co/Pt multilayer as well as the thickness of an interlayer spacer, it is demonstrated that large perpendicular unidirectional anisotropy can be induced at room temperature. This robust perpendicular exchange bias at room temperature opens up a path towards applications in spintronics.
What people are saying - Write a review
We haven't found any reviews in the usual places.
Exchange Interaction and Magnetization Reversal
8 Interfacial Exchange Coupling in Heterostructures of FeTb Alloy Films and CoPt Multilayers
9 Interlayer Exchange Coupling Through Pt Spacer Layers in FeTbPtCoPt Heterostructures
Other editions - View all
amorphous Fe–Tb alloy amount of Tb antiparallel Appl behavior Co/Pt multilayers coercivity compensation point composition crystallites Curie temperature curve decreasing domain wall EB effect EB field effective magnetic anisotropy electron element specific exchange energy exchange interaction external field external magnetic field fanning cone structure Fe and Tb Fe–Tb alloy films Fe–Tb alloy system Fe–Tb films Fe–Tb layer ferromagnetic heterostructures hysteresis loops increasing inset interaction interfacial exchange coupling investigation ions Lett Magn magnetic circular dichroism magnetic configuration magnetic exchange coupling magnetic field magnetic moment magnetic moments magnetic properties magnetization hysteresis magnetization hysteresis loops magnetization reversal magnetostriction minor loop morphology nanodot array nucleation opening angle orientational out-of-plane percolated Phys Pt layers Pt spacer layer remanence reveal reversal branch saturation magnetization second field cycle sperimagnetic Springer sputtering SQUID stoichiometry switching field Tb content Tb moments Tb sublattice temperature dependence transition-metal trench material X-ray