Indium selenide: an insight into electronic band structure and surface excitations

  title={Indium selenide: an insight into electronic band structure and surface excitations},
  author={Antonio Politano and Davide Campi and Mattia Cattelan and Imen Ben Amara and S. Jaziri and Alfredo Mazzotti and Alexei Barinov and Bekir G{\"u}rbulak and Song{\"u}l Duman and Stefano Agnoli and Lorenzo S. Caputi and Gaetano Granozzi and Anna Cupolillo},
  booktitle={Scientific Reports},
We have investigated the electronic response of single crystals of indium selenide by means of angle-resolved photoemission spectroscopy, electron energy loss spectroscopy and density functional theory. The loss spectrum of indium selenide shows the direct free exciton at ~1.3 eV and several other peaks, which do not exhibit dispersion with the momentum. The joint analysis of the experimental band structure and the density of states indicates that spectral features in the loss function are… CONTINUE READING


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