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Photochemical switching of ultrathin PbTi O3 films

Applied Physics Letters, ISSN: 0003-6951, Vol: 92, Issue: 11
2008
  • 29
    Citations
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  • 33
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Metrics Details

  • Citations
    29
    • Citation Indexes
      29
  • Captures
    33

Article Description

The ferroelectric domain ground state of PbTi O3 thin films on Nb:SrTi O3 substrates has been studied as a function of film thickness. High resolution linear Qx x-ray diffraction profiles were recorded in order to probe the presence of stripe domains, which were invariably observed for as-grown samples. After photochemical treatment, films thinner than 50 unit cells were switched to a monodomain state that could be reversed upon subsequent annealing. The stripe-domain state is linked to a Qx modulation of the Qz parameter in the reciprocal space, which disappears upon switching. © 2008 American Institute of Physics.

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