Engineering magnetic materials on the atomic scale (invited)
- 15 April 1987
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 61 (8), 3721-3728
- https://doi.org/10.1063/1.338672
Abstract
Ultrahigh vacuum (UHV) systems and the use of atomic beams for deposition of atoms layer by layer combine to make possible the creation of new materials. The applications to metallic magnetism are gaining increasing attention. The building of sandwiches of magnetic and nonmagnetic layers should lead to increased understanding of the propagation of spin polarization through metals and the effects of finite thickness on the ground state properties and the thermodynamics of magnetic materials. The most important step in this process is in the first layer, i.e., the preparation of the substrate and the determination of the quality of the interface and of the overlayer. The techniques of surface science, e.g., residual gas analysis (RGA), reflection high energy electron diffraction (RHEED), Auger electron spectroscopy (AES), and x-ray photoemission spectroscopy (XPS) are essential for the characterization of the interface. Illustrations of these include our own work on body-centered-cubic Ni deposited epitaxially on (100)Fe with and without intermediate epitaxial Au layers and with and without Au cover layers, studied using ferromagnetic resonance (FMR). The engineering of new magnetic phases takes into account the tendency of increased atomic volume to enhance magnetic moments. Epitaxy can be used to create negative pressures. New phases of Mn have been formed using the (0001) surface of Ru as a template for expanded structures.Keywords
This publication has 31 references indexed in Scilit:
- Ferromagnetic resonance in a system composed of a ferromagnetic substrate and an exchange-coupled thin ferromagnetic overlayerPhysical Review B, 1986
- Spin Anisotropy of Ferromagnetic FilmsPhysical Review Letters, 1986
- Quantitative analysis of streaks in reflection high-energy electron diffraction: GaAs and AlAs deposited on GaAs(001)Physical Review B, 1986
- Prediction of Strongly Enhanced Two-Dimensional Ferromagnetic Moments on Metallic Overlayers, Interfaces, and SuperlatticesPhysical Review Letters, 1985
- Very thin films of Mn, Ag, and Ag–Mn epitaxially deposited on RuJournal of Vacuum Science & Technology B, 1985
- Valence-band resonance in photoemission from Ni(001) and its relation to the 6-eV satellitePhysical Review B, 1985
- Atoms and electrons at surfaces: A modern scientific revolutionJournal of Vacuum Science & Technology A, 1984
- Electronic structure and spin polarisation of the transition metal thin film V(100)Journal of Physics F: Metal Physics, 1981
- Molecular beam epitaxyProgress in Solid State Chemistry, 1975
- Magnetic Structure ofNPhysical Review B, 1960