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Issue 36, 2019
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Growth of well-ordered iron sulfide thin films

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Abstract

In this paper a growth recipe for well-ordered iron sulfide films and the results of their characterisation are presented. The film was studied using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), low energy electron diffraction (LEED), and scanning tunneling microscopy (STM). XRD data reveal that the film has a NiAs-like structure with Fe vacancies, similar to iron sulfides such as pyrrhotite and smythite, although no indication of any ordering of these vacancies was observed. LEED and STM results show that the film exhibits a 2 × 2 surface reconstruction. XPS data provide additional evidence for a large number of Fe vacancies, and the oxidation states of the Fe and S in the film are analysed.

Graphical abstract: Growth of well-ordered iron sulfide thin films

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Article information


Submitted
25 Jul 2019
Accepted
28 Aug 2019
First published
28 Aug 2019

This article is Open Access

Phys. Chem. Chem. Phys., 2019,21, 20204-20210
Article type
Paper

Growth of well-ordered iron sulfide thin films

E. M. Davis, G. Berti, H. Kuhlenbeck, V. Vonk, A. Stierle and H. Freund, Phys. Chem. Chem. Phys., 2019, 21, 20204
DOI: 10.1039/C9CP04157E

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