Unoccupied surface states on W(001) and Mo(001) by inverse photoemission

W. Drube; D. Straub; F. J. Himpsel; P. Soukiassian; C. L. Fu; A. J. Freeman

doi:10.1103/PhysRevB.34.8989

Unoccupied surface states on W(001) and Mo(001) by inverse photoemission

W. Drube^*, D. Straub, F. J. Himpsel, P. Soukiassian, C. L. Fu, A. J. Freeman

^*Corresponding author for this work

Physics and Astronomy

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

12 Scopus citations

Abstract

The W(001) and Mo(001) surfaces are investigated by inverse photoemission. At Γ̄ we observe an unoccupied surface state just above the Fermi level. The angular dependence and chemisorption behavior identify it as a dz2 surface state similar to one observed and calculated just below EF. For W(001) a second state is seen near M̄ at 1.4 eV above EF and assigned to a ̄2 backbonding state. The implications of our data on the driving mechanism for the surface reconstruction are discussed using all-electron self-consistent local-density calculations.

Original language	English (US)
Pages (from-to)	8989-8992
Number of pages	4
Journal	Physical Review B
Volume	34
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.34.8989
State	Published - Jan 1 1986

ASJC Scopus subject areas

Condensed Matter Physics

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10.1103/PhysRevB.34.8989

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title = "Unoccupied surface states on W(001) and Mo(001) by inverse photoemission",

abstract = "The W(001) and Mo(001) surfaces are investigated by inverse photoemission. At {\=Γ} we observe an unoccupied surface state just above the Fermi level. The angular dependence and chemisorption behavior identify it as a dz2 surface state similar to one observed and calculated just below EF. For W(001) a second state is seen near {\=M} at 1.4 eV above EF and assigned to a{\= }2 backbonding state. The implications of our data on the driving mechanism for the surface reconstruction are discussed using all-electron self-consistent local-density calculations.",

author = "W. Drube and D. Straub and Himpsel, {F. J.} and P. Soukiassian and Fu, {C. L.} and Freeman, {A. J.}",

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AU - Drube, W.

AU - Straub, D.

AU - Himpsel, F. J.

AU - Soukiassian, P.

AU - Fu, C. L.

AU - Freeman, A. J.

PY - 1986/1/1

Y1 - 1986/1/1

N2 - The W(001) and Mo(001) surfaces are investigated by inverse photoemission. At Γ̄ we observe an unoccupied surface state just above the Fermi level. The angular dependence and chemisorption behavior identify it as a dz2 surface state similar to one observed and calculated just below EF. For W(001) a second state is seen near M̄ at 1.4 eV above EF and assigned to a ̄2 backbonding state. The implications of our data on the driving mechanism for the surface reconstruction are discussed using all-electron self-consistent local-density calculations.

AB - The W(001) and Mo(001) surfaces are investigated by inverse photoemission. At Γ̄ we observe an unoccupied surface state just above the Fermi level. The angular dependence and chemisorption behavior identify it as a dz2 surface state similar to one observed and calculated just below EF. For W(001) a second state is seen near M̄ at 1.4 eV above EF and assigned to a ̄2 backbonding state. The implications of our data on the driving mechanism for the surface reconstruction are discussed using all-electron self-consistent local-density calculations.

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JO - Physical Review B

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ER -

Unoccupied surface states on W(001) and Mo(001) by inverse photoemission

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