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Dive into the research topics where H. Ascolani is active.

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Featured researches published by H. Ascolani.


Applied Surface Science | 1998

Sb on GaAs(110) structure studied by direct methods and chemical-shift photoelectron diffraction

H. Ascolani; J. Avila; N. Franco; M. C. Asensio

Abstract We have determined the two unequivalent adsorption sites of Sb in the GaAs(110)p(1 × 1)-Sb(1 ML) surface by evaluating a simple Fourier transform of scanned-energy photoelectron diffraction data corresponding to chemically shifted Sb 4d core levels. Our results show, in a model-independent procedure, that the atomic geometry of the p(1 × 1)Sb overlayer contradicts various models proposed for this surface and is consistent only with the epitaxial continued layer structure (ECLS).


Physical Review B | 2009

Structural and electronic properties of (3√2 × √2)R45° -Sn/ Cu(100): Density functional theory and scanning tunneling microscopy

J. D. Fuhr; J.E. Gayone; J. Martínez-Blanco; E. G. Michel; H. Ascolani


Physical Review B | 2005

Fermi surface gapping and nesting in the surface phase transition of Sn ∕ Cu ( 100 )

J. Martínez-Blanco; V. Joco; H. Ascolani; A. Tejeda; C. Quirós; G. Panaccione; T. Balasubramanian; P. Segovia; E. G. Michel


Physical Review B | 2004

Local structure determination ofNH2onSi(111)−(7×7)

S. Bengió; H. Ascolani; N. Franco; J. Avila; M. C. Asensio; A. M. Bradshaw; D.P. Woodruff


Physical Review B | 2002

Atomic structure of the Sb-terminated Si(111) surface: A photoelectron diffraction study

S. Bengió; M. Martin; J. Avila; M. C. Asensio; H. Ascolani


Physical Review B | 2002

Quantitative determination of the adsorption site of the OH radicals in the H2O/Si(100) system

S. Bengió; H. Ascolani; Nicolas Franco; J. Avila; M.C. Asensio; E. Dudzik; I.T. McGovern; Tatjana Giessel; R. Lindsay; A. M. Bradshaw; D.P. Woodruff


Physical Review B | 1998

Full structural determination of the GaAs(110)-p(1×1)-Sb (1 ML) surface using chemical-shift photoelectron diffraction

H. Ascolani; J. Avila; N. Franco; M. C. Asensio


Applied Surface Science | 2017

Non-alloy/alloy transitions in the Sn/Cu(001) system: An STM, LEED and DFT study

P. Machain; J.E. Gayone; J. D. Fuhr; H. Ascolani


Physical Review B | 2004

Local structure determination of NH2 on Si(111)-(7×7)

S. Bengió; H. Ascolani; J. Avila; M. C. Asensio; A. M. Bradshaw; D.P. Woodruff


Archive | 2002

Order-disorder transition driven by dynamical effects between the Sn/Ge(111)-(3 x 3) and (V3 x V3)R30 phases

José Avila; A. Mascaraque; H. Ascolani; G. Lelay; E. G. Michel; M. Gothelid; Jesus Alvarez; Salvador Ferrer; M.C. Asensio

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J. Avila

Spanish National Research Council

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M. C. Asensio

Spanish National Research Council

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S. Bengió

National Scientific and Technical Research Council

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E. G. Michel

Autonomous University of Madrid

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J. D. Fuhr

National Scientific and Technical Research Council

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J.E. Gayone

National Scientific and Technical Research Council

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J. Martínez-Blanco

Autonomous University of Madrid

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M.C. Asensio

Spanish National Research Council

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