Improved reverse Monte Carlo analysis of optical property of Fe and Ni from reflection electron energy loss spectroscopy spectra.

Z Li, J M Gong, B Da, J Tóth, K Tőkési, R G Zeng, Z J Ding

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Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Z LiDepartment of Physics, University of Science and Technology of China, Hefei, 230026, Anhui, People's Republic of China.

J M GongDepartment of Physics, University of Science and Technology of China, Hefei, 230026, Anhui, People's Republic of China.

B DaCenter for Basic Research on Materials, National Institute for Materials Science, Tsukuba, Ibaraki, 305-0044, Japan.

J TóthInstitute for Nuclear Research, P.O. Box 51, Debrecen, Hungary.

K TőkésiInstitute for Nuclear Research, P.O. Box 51, Debrecen, Hungary. tokesi@atomki.hu.

R G ZengInstitute of Materials, China Academy of Engineering Physics, P.O. Box 9071, Jiangyou, 621907, Sichuan, People's Republic of China.

Z J DingDepartment of Physics, University of Science and Technology of China, Hefei, 230026, Anhui, People's Republic of China. zjding@ustc.edu.cn.

Funding

Bilateral Relationships between China and Hungary in science and technology 2021-1.2.4-TÉT-2021-00055Chinese Education Ministry through "111 Project 2.0" BP0719016National Institute for Materials Science under the support system for curiosity-driven research JP21K14656Science and Technology on Surface Physics and Chemistry Laboratory XKFZ202103

6 · The paper itself

Abstract

The energy loss functions (ELFs) of Fe and Ni have been derived from measured reflection electron energy loss spectroscopy (REELS) spectra by a reverse Monte Carlo analysis in our previous work. In this work, we present further improvements of ELFs for these metals. For Fe, we have updated ELFs at primary electron energies of 2 keV and 3 keV in a wider photon energy region (0-180 eV) with a better accuracy, which is verified by sum rules. Regarding to Ni, we supplement the ELF at primary energy of 5 keV and we also improve the data accuracy at 3 keV. Applying these new and more accurate ELFs we present the optical constants and dielectric functions for the two metals. The improvements were highlighted by comparing our present results with the previous data.

Identifiers

PMID37528114

DOI10.1038/s41598-023-38769-4

PMCPMC10393999

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