Surface morphology of Mn+ implanted Ge(100): A systematic investigation as a function of the implantation substrate temperature (Articolo in rivista)

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  • Surface morphology of Mn+ implanted Ge(100): A systematic investigation as a function of the implantation substrate temperature (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.susc.2006.11.075 (literal)
Alternative label
  • Ottaviano, L; Verna, A; Grossi, V; Parisse, P; Piperno, S; Passacantando, M; Impellizzeri, G; Priolo, F (2007)
    Surface morphology of Mn+ implanted Ge(100): A systematic investigation as a function of the implantation substrate temperature
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ottaviano, L; Verna, A; Grossi, V; Parisse, P; Piperno, S; Passacantando, M; Impellizzeri, G; Priolo, F (literal)
Pagina inizio
  • 2623 (literal)
Pagina fine
  • 2627 (literal)
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  • http://dx.doi.org/10.1016/j.susc.2006.11.075 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 601 (literal)
Rivista
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  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Aquila, Dipartimento Fis, I-67010 Coppito, Italy; Univ Catania, MATIS, INFM, CNR, I-95123 Catania, Italy (literal)
Titolo
  • Surface morphology of Mn+ implanted Ge(100): A systematic investigation as a function of the implantation substrate temperature (literal)
Abstract
  • Ge (100) wafers were implanted with 100 keV Mn+ ions with a dose of 2 x 10(16) ions/cm(2) at different temperatures, ranging from 300 to 573 K. The surface morphology of implanted samples, analyzed with scanning electron microscopy and atomic force microscopy measurements, reveals for the 300-463 K implant temperature range the formation of a surface swelled and porous film, containing sponge-like structures. On the contrary, samples implanted in the 513-573 K temperature range present an atomically flat surface, with a roughness less than 1 nm, indicating that crystalline order has been preserved. X-ray photoemission spectroscopy depth profiling measurements indicate the presence of adsorbed oxygen in the porous layer of lower-temperature implanted samples, as well the presence of a large Mn concentration below the expected end of range for impinging ions. Mn and 0 concentrations at anomalously great depths are maximum in the 413 K implanted sample, indicating that the phenomenon of ion beam induced porosity is best favored at a well defined temperature. (C) 2006 Elsevier B.V. All rights reserved. (literal)
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