A1 Journal article (refereed)
Effect of H adsorption on the magnetic properties of an Fe island on a W(110) surface (2019)

Melander, M., & Jonsson, H. (2019). Effect of H adsorption on the magnetic properties of an Fe island on a W(110) surface. Physical Review B, 100(17), Article 174431. https://doi.org/10.1103/PhysRevB.100.174431

JYU authors or editors

Publication details

All authors or editors: Melander, Marko; Jonsson, Hannes

Journal or series: Physical Review B

ISSN: 2469-9950

eISSN: 2469-9969

Publication year: 2019

Volume: 100

Issue number: 17

Article number: 174431

Publisher: American Physical Society

Publication country: United States

Publication language: English

DOI: https://doi.org/10.1103/PhysRevB.100.174431

Publication open access: Not open

Publication channel open access: 

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/66572

Web address of parallel published publication (pre-print): http://doi.org/10.26434/chemrxiv.9706040.v1

Abstract

Low-dimensional materials, such as ultrathin films, nanoislands, and wires, are actively being studied due to their interesting magnetic properties and possible technological applications for example in high density data storage. Results of density functional theory calculations within the generalized gradient approximation of an Fe nanoisland on a W(110) surface are presented here with particular focus on the effect of hydrogen adsorption on magnetic properties. The adsorption is found to strongly decrease the magnetic moment of the Fe atoms the H atoms are bound to, down to less than a half in some cases as compared with the clean Fe island. This is an important consideration since hydrogen can relatively easily be introduced and removed from the system, thus providing a way of tuning magnetic properties, and it can also be unintentionally present even under ultrahigh vacuum conditions, especially at low temperature.

Keywords: nanostructures; magnetic properties

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Ministry reporting: Yes

VIRTA submission year: 2019

JUFO rating: 2