Study of optical and electronic properties of nickel from reflection electron energy loss spectra

H. Xu, L. H. Yang, B. Da, J. Tóth, K. Tőkési, Z. J. Ding

Research output: Article

5 Citations (Scopus)

Abstract

We use the classical Monte Carlo transport model of electrons moving near the surface and inside solids to reproduce the measured reflection electron energy-loss spectroscopy (REELS) spectra. With the combination of the classical transport model and the Markov chain Monte Carlo (MCMC) sampling of oscillator parameters the so-called reverse Monte Carlo (RMC) method was developed, and used to obtain optical constants of Ni in this work. A systematic study of the electronic and optical properties of Ni has been performed in an energy loss range of 0–200 eV from the measured REELS spectra at primary energies of 1000 eV, 2000 eV and 3000 eV. The reliability of our method was tested by comparing our results with the previous data. Moreover, the accuracy of our optical data has been confirmed by applying oscillator strength-sum rule and perfect-screening-sum rule.

Original languageEnglish
Pages (from-to)475-481
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume406
DOIs
Publication statusPublished - szept. 1 2017

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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