SPIN POLARIZATION EFFECT IN THE THEORY OF MAGNETIC SCATTERING FROM ANTIFERRO- MAGNETIC NiO (111) SURFACES BY POLARIZED LOW ENERGY ELECTRON DIFFRACTION*
نویسندگان
چکیده
Dynamical calculations are performed to determine the differential cross section of low energy electrons scattered from antiferromagnetic NiO (111) surfaces. We find that the spin-dependence of this quantity with respect to the incident electron polarization depends strongly on: (1) the magnetization of the topmost layer, (2) the exchange potential model used, and (3) the incident beam angle.
منابع مشابه
The Thermodynamic Properties of Polarized Metallic Nanowire in the Presence of Magnetic Field
In this article, the second quantization method has been used to investigate some thermodynamic properties of spin-polarized metallic nanowire in the presence of magnetic field at zero temperature. We have been observed that in different magnetic field, the equilibrium energy of system increases as the density increases. The spin-polarization parameter corresponding to the equilibrium state of ...
متن کاملپراکندگی نوترینوی میونی از روی الکترون قطبیده به الکترون و نوترینو در فضا- زمان ناجابهجایی
For neutrino scattering from polarized electron, the weak interaction term in the cross section is significantly suppressed by the polarized term. The magnetic moment term does not receive any correction from the electron polarization. Hence, the study of the magnetic moment of neutrinos through scattering from the polarized electron leads to a stronger bound on the neutrino magnetic moment com...
متن کاملSpin Polarized Electron Scattering by Ferromagnetic Amorphous Surfaces'
It is shown that kinematic atomic scattering is the predominant mechanism for the elastic backward . scattering of electrons from the ferromagnetic glass Fe40Ni40B20 as opposed to the resonance model recently suggested by R. K. Nesbet. The spin dependence of this scattering was determined theoretically (in the energy range below 300 eV) using various spin polarized potentials for Fe and Ni. Bel...
متن کاملScattering mechanism of nonmagnetic phase on nano diluted magnetic semiconductors (DMS)
This paper shows the scattering mechanism at diluted magneticsemiconductors. The doped magnetic atom produces a scattering potential due to becoupled of itinerant carrier spin of host material with magnetic momentum of the dopedmagnetic atom. Formulas of scattering event were rewritten by the plane waveexpansion and then the electron mobility of DMS was calculated. Calculations showKondo effect...
متن کاملSpin-polarized low energy electron microscopy of ferromagnetic layers
Spin-polarized low energy electron microscopy (SPLEEM) is a powerful technique for the study of the magnetic domain structure of ferromagnetic surfaces, thin films and ferromagnetic / nonferromagnetic thin film systems. The unique feature of this instrument is the combination of magnetic with topographic imaging on an atomic depth scale level, and with structural information via low energy elec...
متن کامل