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  1. No Access

    Article

    Photoluminescence of CdSe nanowires grown with and without metal catalyst

    We present temperature and power dependent photoluminescence measurements on CdSe nanowires synthesized via vapor-phase with and without the use of a metal catalyst. Nanowires produced without a catalyst can b...

    Andrea Fasoli, Alan Colli, Faustino Martelli, Simone Pisana, ** Heng Tan… in Nano Research (2011)

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    Article

    Breakdown of the adiabatic Born–Oppenheimer approximation in graphene

    The adiabatic Born–Oppenheimer approximation (ABO) has been the standard ansatz to describe the interaction between electrons and nuclei since the early days of quantum mechanics1,2. ABO assumes that the lighter ...

    Simone Pisana, Michele Lazzeri, Cinzia Casiraghi, Kostya S. Novoselov… in Nature Materials (2007)

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    Article

    Density of States in Tritiated Amorphous Silicon Measured Using CPM

    The constant photocurrent method has been used to obtain the density of occupied electronic states of tritiated amorphous silicon thin films. The analyses showed a peak of defects located 1.24 eV below the con...

    Simone Pisana, Stefan Costea, Tome Kosteski… in MRS Online Proceedings Library (2005)