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Mascaraque Susunaga, Arantzazu ; Avila, J. ; Teodorescu, C. ; Asensio, M. C. ; Michel, E. G. | American Physical Society | 1997-03-15The early stages of Fe/Si(111) interface formation have been investigated using x-ray photoelectron diffraction. Deposition of Fe in the range of one monolayer on Si(111)7x7 at room temperature results in the destruction of the 7x7 reconstructio[...]texto impreso
Avila, J. ; Mascaraque Susunaga, Arantzazu ; Michel, E. G. ; Asensio, M. C. ; LeLay, G. ; Ortega Villafuerte, Yanicet ; Perez, R. ; Flores, F. | American Physical Society | 1999-01-11The Sn/Ge(111) interface has been investigated across the 3 x 3 --> , root 3 x root 3 R30 degrees phase transition using core level and valence band photoemission spectroscopies. We find, both above and below the transition, two different compon[...]texto impreso
Mascaraque Susunaga, Arantzazu ; Roca, L. ; Avila, J. ; Drouard, S. ; Guyo, H. ; Asensio, M. C. | American Physical Society | 2002-09-15Synchrotron-radiation angle-resolved photoemission measurements were performed in the nondoped (PO_2)_4(WO_3)_4(WO_3)_4 compound in order to obtain a detailed picture of the electronic structure. This material is a low-dimensional compound due t[...]texto impreso
Roca, L. ; Mascaraque Susunaga, Arantzazu ; Avila, J. ; Drouard, S. ; Guyot, H. ; Asensio, M.C. | American Physical Society | 2004-02The P4W8O32 compound is a member of the low-dimensional monophosphate tungsten bronzes family whose reduced dimensionality induces electronic instabilities such as charge-density waves (CDWs). We report here the direct mapping of the Fermi surfa[...]texto impreso
Mascaraque Susunaga, Arantzazu ; Avila, J. ; Michel, E. G. ; Asensio, M. C. | American Physical Society | 1998-06-15The electronic structure of Pb/Ge(111) has been probed along the temperature-induced phase transition ct -root 3X root 3R30 degrees double right arrow 3 X 3 using angle-resolved photoemission. The alpha-root 3X root 3R30 degrees phase is metalli[...]
