1) sum rules 加和定则 1. X-ray magnetic circular dichroism(XMCD) in absorption has been extensively used to determine spin and orbital moments by applying thesum rulesto the absorption spectra of specified atoms. 在4个方面研究了实验数据的预处理和应用加和定则中的问题。
It is proven that the sum rules for X-ray magnetic dichroism (XMCD) spectra that are used to separate spin and orbital contributions to the magnetic moment are formally correct for an arbitrary strength of electron-electron interactions. However, their practical application for strongly correlated ...
Summary This chapter contains sections titled: XAS and XMCD X-Ray Absorption Spectroscopy X-Ray Magnetic Circular Dichroism Sum Rules for XMCD The Magnetic... Philippe Sainctavit,Christophe Cartier dit Moulin,Marie A. Arrio - John Wiley & Sons, Ltd 被引量: 6发表: 2003年 Topological charge sc...
A recent article (Phys. Rev. Lett. 77 (1996) 1508) based on the insights of Theo Thole shows that, in a description in terms of inelastic scattering, the XMCD absorption sum rules should hold also for fluorescence yield in a large number of important cases. In this paper we give some ...
XMCD sum rules are checked through an analytical calculation of Cu 2+ L 2,3 edge. The sum rules are analytically satisfied as expected from the very general arguments developed in their derivation by Thole and Carra (1993). Analytical expressions for 〈 L z 〉, 〈 S z 〉 and 〈 T z ...
X-ray absorption spectraspin renormalization techniquesum rule correctionDistinguishable L2 and L3 edges and a clear separation into j 3/2 and j 1/2 excitations are necessary for the application of L2,3 edge X-ray magnetic circular dichroism (XMCD) sum rules, which provide element-specific ...
It is found that the XMCD sum rules are fully satisfied in the framework of the crystal-field multiplet approach resulting from the very general arguments developed in their derivations by Thole and Carra. Analytical expressions for the orbital magnetic moment [L(z)], the spin magnetic moment [...
Presents a study on dichroism sum rules for vanadium, chromium, manganese, iron, cobalt and nickel. Introduction to x-ray magnetic circular dichroism (XMCD); Details of the XMCD spectra; Analysis on diffuse magnetic moments.O’BrienW. L....
sum rulesmagnetic momenttransition metalsThe possibility of using electron energy loss spectroscopy (EELS) to measure a magnetic chiral dichroic spectrum analogous to the x-ray magnetic circular dichroism (XMCD) signal has been suggested a few years ago [1]. This effect has been demonstrated ...
sum rulesfully relativistic full-potentialLCAO methodWe study the X-ray magnetic circular dichroism (XMCD) spectra at the U M-4,M-5 and N-4,N-5 edges of uranium monochalcogenides, UX where X = S, Se, and Te, examining the applicability of the XMCD sum rules to UX by the fully ...