Analysis of the possibility of the spin-orbit origin of surface state splitting in thin Mg(0001) layers on W(110) and Mo(110)

A. M. Shikin, D. E. Marchenko, N. A. Vinogradov, G. V. Prudnikova, A. G. Rybkin, V. K. Adamchuk, O. Rader

Research output

1 Citation (Scopus)

Abstract

A set of magnesium films ranging in thickness from submonolayer to a few tens of atomic layers grown on single-crystal W(110) has revealed film-thickness dependent splitting of states localized energywise close to the magnesium surface state. Literature refers to several models describing the origin of this splitting; in one case, it is treated as substrate-induced spin-orbit splitting, and in another, as due to formation of nondegenerate pairs of even and odd surface states penetrating deep into the film bulk. The proposed models draw upon studies of films more than five monolayers thick. A comparative investigation of the Mg/W(110) and Mg/Mo(110) systems has been carried out for magnesium films of different, starting from submonolayer, thicknesses, which did not substantiate the spin-orbit origin of this splitting and suggests instead formation on the substrate-film interface of hybridized states, with their variation with thickness being assigned to variation in the contribution due to the magnesium surface states.

Original languageEnglish
Pages (from-to)608-619
Number of pages12
JournalPhysics of the Solid State
Volume51
Issue number3
DOIs
Publication statusPublished - 1 Mar 2009

Fingerprint

Surface states
Orbits
Magnesium
magnesium
orbits
Substrates
Film thickness
Monolayers
film thickness
Single crystals
single crystals

Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Shikin, A. M. ; Marchenko, D. E. ; Vinogradov, N. A. ; Prudnikova, G. V. ; Rybkin, A. G. ; Adamchuk, V. K. ; Rader, O. / Analysis of the possibility of the spin-orbit origin of surface state splitting in thin Mg(0001) layers on W(110) and Mo(110). In: Physics of the Solid State. 2009 ; Vol. 51, No. 3. pp. 608-619.
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abstract = "A set of magnesium films ranging in thickness from submonolayer to a few tens of atomic layers grown on single-crystal W(110) has revealed film-thickness dependent splitting of states localized energywise close to the magnesium surface state. Literature refers to several models describing the origin of this splitting; in one case, it is treated as substrate-induced spin-orbit splitting, and in another, as due to formation of nondegenerate pairs of even and odd surface states penetrating deep into the film bulk. The proposed models draw upon studies of films more than five monolayers thick. A comparative investigation of the Mg/W(110) and Mg/Mo(110) systems has been carried out for magnesium films of different, starting from submonolayer, thicknesses, which did not substantiate the spin-orbit origin of this splitting and suggests instead formation on the substrate-film interface of hybridized states, with their variation with thickness being assigned to variation in the contribution due to the magnesium surface states.",
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Analysis of the possibility of the spin-orbit origin of surface state splitting in thin Mg(0001) layers on W(110) and Mo(110). / Shikin, A. M.; Marchenko, D. E.; Vinogradov, N. A.; Prudnikova, G. V.; Rybkin, A. G.; Adamchuk, V. K.; Rader, O.

In: Physics of the Solid State, Vol. 51, No. 3, 01.03.2009, p. 608-619.

Research output

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AU - Shikin, A. M.

AU - Marchenko, D. E.

AU - Vinogradov, N. A.

AU - Prudnikova, G. V.

AU - Rybkin, A. G.

AU - Adamchuk, V. K.

AU - Rader, O.

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