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Welcome to the research outputs of the University of Exeter's Quantum Systems and Nanomaterials Group, part of the College of Engineering, Mathematics and Physical Sciences

Recent Submissions

  • First principles electronic and elastic properties of fresnoite Ba2TiSi2O8 (dataset) 

    Taylor, Ned; Davies, Francis; Hepplestone, Steven (University of Exeter, 2017-11-22)
    Electronic, structural and elastic properties of fresnoite, Ba2TiSi2O8 (BTSO), are obtained via first principles calculations. The electronic properties having been comparatively analysed using both the generalised ...
  • Metastable electron-electron states in double-layer graphene structures 

    Shytov, A.V.; Marnham, Lachlan L. (American Physical Society, 2015-08-07)
    The prototypical exciton model of two interacting Dirac particles in graphene was analyzed in J. Sabio et al., Phys. Rev. B 81, 045428 (2010) and it was found that in one of the electron-hole scattering channels the total ...
  • A class of exactly solvable models for the Schrodinger equation 

    Downing, C.A. (Springer Verlag, 2013)
    We present a class of confining potentials which allow one to reduce the one-dimensional Schroodinger equation to a named equation of mathematical physics, namely either Bessel's or Whittaker's differential equation. In ...
  • Band gaps in jagged and straight graphene nanoribbons tunable by an external electric field 

    Saroka, V.A.; Batrakov, K.G.; Demin, V.A.; Chernozatonskii, L.A. (IOP Publishing, 2015)
    Band gap control by an external field is useful in various optical, infrared and THz applications. However, widely tunable band gaps are still not practical due to a variety of reasons. Using the orthogonal tight-binding ...
  • On a solution of the Schrödinger equation with a hyperbolic double-well potential 

    Downing, C.A. (American Institute of Physics (AIP), 2013)
    We report a solution of the one-dimensional Schrödinger equation with a hyperbolic double-well confining potential via a transformation to the so-called confluent Heun equation. We discuss the requirements on the parameters ...
  • Photo-induced doping and strain in exfoliated graphene 

    Alexeev, Eugene; Moger, Julian; Hendry, Euan (American Institute of Physics, 2013)
    The modification of single layer graphene due to intense, picoseconds near-infrared laser pulses is investigated. We monitor the stable changes introduced to graphene upon photoexcitation using Raman spectroscopy. We find ...

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