Structure and electron correlation of Mn on Ni(110) | Zendy

O. Rader | Zendy; T. Mizokawa | Zendy; A. Fujimori | Zendy; A. Kimura | Zendy

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Structure and electron correlation of Mn on Ni(110)

Author(s) -

O. Rader,

T. Mizokawa,

A. Fujimori,

A. Kimura

Publication year - 2001

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.64.165414

Subject(s) - physics , superstructure , multiplet , spectral line , electronic correlation , electron , monolayer , coulomb , energy (signal processing) , condensed matter physics , charge (physics) , cluster (spacecraft) , atomic physics , alloy , crystallography , materials science , chemistry , nuclear physics , quantum mechanics , nanotechnology , computer science , composite material , thermodynamics , programming language

We have deposited Mn on the ~110! surface of Ni and discover ordering into a c(232) superstructure for coverages of 0.35–0.5 monolayer Mn. Mn 2p photoemission spectra show distinct satellite structures which disappear for higher Mn coverage. Calculations using configuration-interaction theory including multiplet effects on a model cluster representing the local geometry of a surface alloy identify the features as correlation satellites and give model parameters as follows: charge-transfer energy D51 eV, Coulomb energy U53 eV, and transfer integral T51.2 eV. A detailed comparison to the case of c(232) Mn/Cu~100! leads to the conclusion that c(232) Mn/Ni~110! is a new magnetic surface alloy.

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