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@ARTICLE{Zhou:1030905,
      author       = {Zhou, Lanqing and Wirth, Konstantin and Bui, Minh N. and
                      Rani, Renu and Grützmacher, Detlev and Taubner, Thomas and
                      Kardynal, Beata},
      title        = {{R}esonant {R}aman {S}cattering of {S}urface {P}honon
                      {P}olaritons {M}ediated by {E}xcitons in {WS}e 2 {F}ilms},
      journal      = {ACS photonics},
      volume       = {11},
      number       = {8},
      issn         = {2330-4022},
      address      = {Washington, DC},
      publisher    = {ACS},
      reportid     = {FZJ-2024-05499},
      pages        = {3079 - 3086},
      year         = {2024},
      abstract     = {Surface phonon polaritons propagating along interfaces of
                      polar dielectrics coexist with excitons in many van der
                      Waals heterostructures, so understanding their mutual
                      interactions is of great interest. Here, we investigate the
                      contribution of type I surface phonon polariton (SPhP) of
                      hBN to the low-temperature resonant-Raman spectra of
                      hBN/WSe2 heterostructures. When the laser energy is such
                      that the scattered photons have energy close to that of the
                      WSe2 excitons, the resonantly enhanced Raman signal enables
                      the characterization of even one monolayer-thick hBN. We are
                      able to explain the signal using transfer matrix method
                      simulations of SPhP dispersions, provided that we assume the
                      Raman scattering to be momentum nonconserving, as could be
                      the case if localized WSe2 exciton states participated in
                      the process. However, we cannot exclude the contribution of
                      the TO and ZO phonons to the measured signal. We further
                      show that resonant Raman scattering from SiO2 SPhP can also
                      be mediated by WSe2.},
      cin          = {PGI-9},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106},
      pnm          = {5224 - Quantum Networking (POF4-522)},
      pid          = {G:(DE-HGF)POF4-5224},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001289126200001},
      doi          = {10.1021/acsphotonics.4c00349},
      url          = {https://juser.fz-juelich.de/record/1030905},
}