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@ARTICLE{Kuzel:62959,
      author       = {Kuzel, P. and Kadlec, C. and Kadlec, F. and Schubert, J.
                      and Panaitov, G.},
      title        = {{F}ield-induced soft mode hardening in
                      {S}r{T}i03/{D}y{S}c03 multilayers},
      journal      = {Applied physics letters},
      volume       = {93},
      issn         = {0003-6951},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-62959},
      pages        = {052910-1 - 052910-3},
      year         = {2008},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We investigate a SrTiO3/DyScO3 epitaxial multilayer with
                      four 50-nm-thick layers of each compound deposited on DyScO3
                      substrate by pulsed laser deposition. The spectra of SrTiO3
                      obtained using time-domain terahertz spectroscopy at room
                      temperature with and without electrical bias are explained
                      by the ferroelectric soft mode coupled to a silent central
                      peak, where the bare soft mode frequency is the only
                      field-dependent parameter. We show that terahertz and
                      subterahertz properties of the layers are determined solely
                      by a tremendous hardening of the soft mode with increasing
                      field. We demonstrate that our structure induces more than
                      $40\%$ modulation of the transmitted terahertz power in a
                      broad frequency range of 0.65-1.15 THz at 140 V (93 kV/cm)
                      bias.},
      keywords     = {J (WoSType)},
      cin          = {CNI / IBN-1 / IBN-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB381 / I:(DE-Juel1)VDB799 /
                      I:(DE-Juel1)IBN-2-20090406},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000258335900057},
      doi          = {10.1063/1.2967336},
      url          = {https://juser.fz-juelich.de/record/62959},
}