Investigation of the structural and dynamical properties of the (0 0 1) surface of LiCu2O2

Yangyang Yao; Xuetao Zhu; H. C. Hsu; F. C. Chou; M. El-Batanouny

doi:10.1016/j.susc.2010.01.017

Investigation of the structural and dynamical properties of the (0 0 1) surface of LiCu₂O₂

Yangyang Yao, Xuetao Zhu, H. C. Hsu, F. C. Chou, M. El-Batanouny

Department of Photonics

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

1 Citation (Scopus)

Abstract

We report on studies of the structure and dynamics of the (0 0 1) surface of single crystal LiCu₂O₂, investigated by He beam scattering at room temperature, and with lattice-dynamical models. The best fit surface corrugation to measured diffraction patterns shows that the surface termination is exclusively a Li¹⁺Cu²⁺O^2- plane. Lattice dynamics fits to inelastic He scattering spectra reveal the presence of two low-lying surface phonon modes, identified with the motion of Cu²⁺, Li¹⁺ surface ions normal to the surface.

Original language	English
Pages (from-to)	692-700
Number of pages	9
Journal	Surface Science
Volume	604
Issue number	7-8
DOIs	https://doi.org/10.1016/j.susc.2010.01.017
Publication status	Published - 2010 Apr 15

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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@article{e44ff316fb6f4e5fb2709d4ad2494b17,

title = "Investigation of the structural and dynamical properties of the (0 0 1) surface of LiCu2O2",

abstract = "We report on studies of the structure and dynamics of the (0 0 1) surface of single crystal LiCu2O2, investigated by He beam scattering at room temperature, and with lattice-dynamical models. The best fit surface corrugation to measured diffraction patterns shows that the surface termination is exclusively a Li1+Cu2+O2- plane. Lattice dynamics fits to inelastic He scattering spectra reveal the presence of two low-lying surface phonon modes, identified with the motion of Cu2+, Li1+ surface ions normal to the surface.",

author = "Yangyang Yao and Xuetao Zhu and Hsu, {H. C.} and Chou, {F. C.} and M. El-Batanouny",

note = "Funding Information: This work is supported by the US Department of Energy under Grant No. DE-FG02-85ER45222 . FCC acknowledges the support from the National Science Council of Taiwan under project number NSC-95-2112-M-002.",

year = "2010",

month = apr,

day = "15",

doi = "10.1016/j.susc.2010.01.017",

language = "English",

volume = "604",

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journal = "Surface Science",

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T1 - Investigation of the structural and dynamical properties of the (0 0 1) surface of LiCu2O2

AU - Yao, Yangyang

AU - Zhu, Xuetao

AU - Hsu, H. C.

AU - Chou, F. C.

AU - El-Batanouny, M.

N1 - Funding Information: This work is supported by the US Department of Energy under Grant No. DE-FG02-85ER45222 . FCC acknowledges the support from the National Science Council of Taiwan under project number NSC-95-2112-M-002.

PY - 2010/4/15

Y1 - 2010/4/15

N2 - We report on studies of the structure and dynamics of the (0 0 1) surface of single crystal LiCu2O2, investigated by He beam scattering at room temperature, and with lattice-dynamical models. The best fit surface corrugation to measured diffraction patterns shows that the surface termination is exclusively a Li1+Cu2+O2- plane. Lattice dynamics fits to inelastic He scattering spectra reveal the presence of two low-lying surface phonon modes, identified with the motion of Cu2+, Li1+ surface ions normal to the surface.

AB - We report on studies of the structure and dynamics of the (0 0 1) surface of single crystal LiCu2O2, investigated by He beam scattering at room temperature, and with lattice-dynamical models. The best fit surface corrugation to measured diffraction patterns shows that the surface termination is exclusively a Li1+Cu2+O2- plane. Lattice dynamics fits to inelastic He scattering spectra reveal the presence of two low-lying surface phonon modes, identified with the motion of Cu2+, Li1+ surface ions normal to the surface.

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