Person:
Álvarez Sánchez, Julio

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First Name
Julio
Last Name
Álvarez Sánchez
URI
https://hdl.handle.net/20.500.14352/81087
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Veterinaria
Department
Sanidad Animal
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19991
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Author: Michel, E. G × Subject: 538.9 ×

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    Nature of the low-temperature 3 x 3 surface phase of Pb/Ge(111)
    (Physical review letters, 1999) Mascaraque Susunaga, Arantzazu; Avila, A.; Asensio, M. C.; Ferrer, S.; Michel, E. G; Álvarez Sánchez, Julio
    The structure of the low-temperature 3 X 3 surface phase of Pb/Ge(111) has been determined by surface x-ray diffraction experiments. Analysis of the data reveals that the Pb layer exhibits a vertical corrugation of similar to 0.4 Angstrom, affecting also the two top Ge layers. Significant distortions are found down to the third Ge layer. This structural model supports that the 3 X 3 ground state can be best described as a cooperative distortion stabilized by a gain in electronic energy. [S0031-9007(99)08749-9].