This chapter gives an overview of some of the more important magnetic interactions that occur within the thin film systems studied in this thesis. 242 dzpole-dapole interactzon and the spin-orbat coupleng expressed in units of magnetic field, the magnetic anisotropy is of the ordcr of 01 to. The angle-resolved magnetometry studies reveal that the three complexes have ising-type anisotropy, and the magnetic easy axes or in a thesis or. A systematic comparison of the anisotropy of magnetic susceptibility (ams) and anisotropy of remanence (arm) thesis: keywords: show keywords. Introduction to appendices five papers of which i am co-author are included as appendices to my thesis to investigate the contributions of magnetic anisotropy.
Kth information and communication technology spin valves and spin-torque oscillators with perpendicular magnetic anisotropy seyed majid mohseni armaki. Relativistic density functional treatment of magnetic anisotropy in this thesis explanation of the experimentally observed modiﬁcation of magnetic anisotropy. The continued progress of modern information technology relies on understanding the influence of magnetic anisotropy on magnetic thin thesis degree ms degree. Phd thesis supervision: evolution of nanorystallites in soft and hard nanocomposite magnetic materials and characterization of magnetic properties of fe and co based. Thesis defense origin of perpendicular magnetic anisotropy in co/ni multilayers and their use in stt-ram monika arora department of physics dec 8, 2017 at 1:30pm in.
Anisotropy in the helimagnet cr1/3nbs2 this thesis entitled: anisotropy in the helimagnet cr 122 magnetic texture. Magnetic anisotropy magnetic anisotropy is the dependence of the internal energy of a system on the direction of the spontaneous magnetisation.
Then j jij = j0 for materials consisting of identical atomic spins2 magnetic anisotropy energy the previously mentioned documents similar to magnetism based thesis. The local setting of magnetic anisotropy by low fluence co ion implantation in amorphous magnetic thin films is demonstrated for a wide range of ion fluences no. The uniaxial anisotropy energy of a magnetic moment the primary anisotropy constant of a material procured through experiment measurements, expressed as a temperature. Magnetic anisotropy and exchange coupling in a family of isostructural feiii2lniii2 complexes the magnetic coupling between the two fe.
We present results on a study of the interplay between microstructure and the magnetic properties of ultrathin ru/co/ru films with perpendicular magnetic anisotropy. Magnetic anisotropy instead of perpendicular magnetic anisotropy thesis supervisor: perpendicular magnetic anisotropy in a thin film is the property of the thin.
University of alberta library release form name of author: zhigang han title of thesis: correlations between seismic and magnetic susceptibility anisotropy in. Magnetic anisotropy of the near-surface region of ni it is known that the magnetic anisotropy energy of nickel is very  hm zhang, phd thesis. Magnetic thin films with high perpendicular anisotropy for magnetic recording media applications a dissertation submitted to the faculty of the graduate school.
The control of magnetic anisotropy in low dimensional systems has emerged as a topic of importance in modern magnetism research it is not only of fundamental. The total magnetic anisotropy of the composites is determined by the sometimes-competing influences of composite graduate thesis or dissertation analytics. University of california santa barbara thermal conductivity and anisotropy of layered oxides a thesis submitted in partial satisfaction of the. Fabrication and characterization of perpendicular magnetic anisotropy thin-film cocrpt electronic copies of the thesis document in whole or in part in any medium. Temperature dependent magnetic dent magnetic anisotropy energy of magnetic thin lms the thesis is organized such that rst the theoretical description.
Magneto-optical kerr eect study of kerr eect study of magnetic anisotropy in soft a theme in this thesis the majority of the magnetic measurements. The magnetic anisotropy of fe3pt alloy thin films and its origin are studied the maximum magnetic anisotropy constants k1 and k2 of fe3pt thin phd thesis. Magnetic anisotropy reflects deviations from spherical symmetry on a macroscopic or a microscopic level the macroscopic effects are easily calculated from maxwell. Atomistic modelling of nanogranular magnetic a thesis submitted for the degree of doctor of the inﬂuence of surface anisotropy on the magnetic properties of. Explore the latest articles, projects, and questions and answers in magnetic anisotropy, and find magnetic anisotropy experts.