Magnetism in ultrathin Pt films formed on MgO(001) surfaces: An Ab-initio study

Lan Hee Yang; Jinwoo Park; B. D. Yu; Young Rok Jang

doi:10.3938/jkps.56.791

Magnetism in ultrathin Pt films formed on MgO(001) surfaces: An Ab-initio study

Lan Hee Yang, Jinwoo Park, B. D. Yu, Young Rok Jang

Department of Physics

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Ab-initio electronic-structure calculations have been performed to investigate the adsorption structures, the energetics, and the electronic structures of a Pt monolayer (ML) deposited on a MgO(001) surface. Our calculations for a 1-ML Pt/MgO(001) structure show that the Pt atoms highly prefer to bind on the oxygen sites of the MgO(001) surfaces. Also examined were the electronic properties of 1-ML Pt/MgO(001). Interestingly, the oxide-supported ultrathin 1-ML Pt film was predicted to be ferromagnetic with a magnetic moment of 0.89 Bohr magnetons. In addition, the origin of the unusual magnetism in 1-ML Pt/MgO(001) was discussed in comparison with calculations for a freestanding Pt monolayer.

Original language	English
Pages (from-to)	791-795
Number of pages	5
Journal	Journal of the Korean Physical Society
Volume	56
Issue number	3
DOIs	https://doi.org/10.3938/jkps.56.791
State	Published - 15 Mar 2010

Keywords

Adsorption structures
Ferromagnetism
MgO(001) surfaces
Pt monolayer

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10.3938/jkps.56.791

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title = "Magnetism in ultrathin Pt films formed on MgO(001) surfaces: An Ab-initio study",

abstract = "Ab-initio electronic-structure calculations have been performed to investigate the adsorption structures, the energetics, and the electronic structures of a Pt monolayer (ML) deposited on a MgO(001) surface. Our calculations for a 1-ML Pt/MgO(001) structure show that the Pt atoms highly prefer to bind on the oxygen sites of the MgO(001) surfaces. Also examined were the electronic properties of 1-ML Pt/MgO(001). Interestingly, the oxide-supported ultrathin 1-ML Pt film was predicted to be ferromagnetic with a magnetic moment of 0.89 Bohr magnetons. In addition, the origin of the unusual magnetism in 1-ML Pt/MgO(001) was discussed in comparison with calculations for a freestanding Pt monolayer.",

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T1 - Magnetism in ultrathin Pt films formed on MgO(001) surfaces

T2 - An Ab-initio study

AU - Yang, Lan Hee

AU - Park, Jinwoo

AU - Yu, B. D.

AU - Jang, Young Rok

PY - 2010/3/15

Y1 - 2010/3/15

N2 - Ab-initio electronic-structure calculations have been performed to investigate the adsorption structures, the energetics, and the electronic structures of a Pt monolayer (ML) deposited on a MgO(001) surface. Our calculations for a 1-ML Pt/MgO(001) structure show that the Pt atoms highly prefer to bind on the oxygen sites of the MgO(001) surfaces. Also examined were the electronic properties of 1-ML Pt/MgO(001). Interestingly, the oxide-supported ultrathin 1-ML Pt film was predicted to be ferromagnetic with a magnetic moment of 0.89 Bohr magnetons. In addition, the origin of the unusual magnetism in 1-ML Pt/MgO(001) was discussed in comparison with calculations for a freestanding Pt monolayer.

AB - Ab-initio electronic-structure calculations have been performed to investigate the adsorption structures, the energetics, and the electronic structures of a Pt monolayer (ML) deposited on a MgO(001) surface. Our calculations for a 1-ML Pt/MgO(001) structure show that the Pt atoms highly prefer to bind on the oxygen sites of the MgO(001) surfaces. Also examined were the electronic properties of 1-ML Pt/MgO(001). Interestingly, the oxide-supported ultrathin 1-ML Pt film was predicted to be ferromagnetic with a magnetic moment of 0.89 Bohr magnetons. In addition, the origin of the unusual magnetism in 1-ML Pt/MgO(001) was discussed in comparison with calculations for a freestanding Pt monolayer.

KW - Adsorption structures

KW - Ferromagnetism

KW - MgO(001) surfaces

KW - Pt monolayer

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Magnetism in ultrathin Pt films formed on MgO(001) surfaces: An Ab-initio study

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Keywords

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