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50 Publications
2021 | Journal Article | LibreCat-ID: 21946 |

Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response
F. Schmidt, A.L. Kozub, U. Gerstmann, W.G. Schmidt, A. Schindlmayr, Crystals 11 (2021) 542.
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| Files available
| DOI
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F. Schmidt, A.L. Kozub, U. Gerstmann, W.G. Schmidt, A. Schindlmayr, Crystals 11 (2021) 542.
2021 | Journal Article | LibreCat-ID: 22010
Electronic structure of the Si(111)3×3R30∘−B surface from theory and photoemission spectroscopy
H. Aldahhak, C. Hogan, S. Lindner, S. Appelfeller, H. Eisele, W.G. Schmidt, M. Dähne, U. Gerstmann, M. Franz, Physical Review B 103 (2021) 035303.
LibreCat
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H. Aldahhak, C. Hogan, S. Lindner, S. Appelfeller, H. Eisele, W.G. Schmidt, M. Dähne, U. Gerstmann, M. Franz, Physical Review B 103 (2021) 035303.
2021 | Journal Article | LibreCat-ID: 22881
Impact of screening and relaxation on weakly coupled two-dimensional heterostructures
T.T.N. Nguyen, T. Sollfrank, C. Tegenkamp, E. Rauls, U. Gerstmann, Physical Review B 103 (2021) L201408.
LibreCat
| DOI
T.T.N. Nguyen, T. Sollfrank, C. Tegenkamp, E. Rauls, U. Gerstmann, Physical Review B 103 (2021) L201408.
2021 | Journal Article | LibreCat-ID: 22310
Potassium titanyl phosphate Z- and Y-cut surfaces from density-functional theory
S. Neufeld, A. Bocchini, W.G. Schmidt, Physical Review Materials (2021).
LibreCat
| DOI
S. Neufeld, A. Bocchini, W.G. Schmidt, Physical Review Materials (2021).
2021 | Journal Article | LibreCat-ID: 22960 |

Lattice parameters and electronic band gap of orthorhombic potassium sodium niobate K0.5Na0.5NbO3 from density-functional theory
N. Bidaraguppe Ramesh, F. Schmidt, A. Schindlmayr, The European Physical Journal B 94 (2021).
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N. Bidaraguppe Ramesh, F. Schmidt, A. Schindlmayr, The European Physical Journal B 94 (2021).
2021 | Journal Article | LibreCat-ID: 23418 |

Polaronic enhancement of second-harmonic generation in lithium niobate
A.L. Kozub, A. Schindlmayr, U. Gerstmann, W.G. Schmidt, Physical Review B 104 (2021) 174110.
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| arXiv
A.L. Kozub, A. Schindlmayr, U. Gerstmann, W.G. Schmidt, Physical Review B 104 (2021) 174110.
2020 | Journal Article | LibreCat-ID: 17067
Vibrational Raman spectroscopy on adsorbate-induced low-dimensional surface structures
E. Speiser, N. Esser, B. Halbig, J. Geurts, W.G. Schmidt, S. Sanna, Surface Science Reports 75 (2020).
LibreCat
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E. Speiser, N. Esser, B. Halbig, J. Geurts, W.G. Schmidt, S. Sanna, Surface Science Reports 75 (2020).
2020 | Journal Article | LibreCat-ID: 19190 |

Free and defect-bound (bi)polarons in LiNbO3: Atomic structure and spectroscopic signatures from ab initio calculations
F. Schmidt, A.L. Kozub, T. Biktagirov, C. Eigner, C. Silberhorn, A. Schindlmayr, W.G. Schmidt, U. Gerstmann, Physical Review Research 2 (2020).
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| DOI
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F. Schmidt, A.L. Kozub, T. Biktagirov, C. Eigner, C. Silberhorn, A. Schindlmayr, W.G. Schmidt, U. Gerstmann, Physical Review Research 2 (2020).
2020 | Journal Article | LibreCat-ID: 17068
Vibration-Driven Self-Doping of Dangling-Bond Wires on Si(553)-Au Surfaces
C. Braun, S. Neufeld, U. Gerstmann, S. Sanna, J. Plaickner, E. Speiser, N. Esser, W.G. Schmidt, Physical Review Letters 124 (2020).
LibreCat
| DOI
C. Braun, S. Neufeld, U. Gerstmann, S. Sanna, J. Plaickner, E. Speiser, N. Esser, W.G. Schmidt, Physical Review Letters 124 (2020).
2019 | Journal Article | LibreCat-ID: 10014 |

Quasiparticle and excitonic effects in the optical response of KNbO3
F. Schmidt, A. Riefer, W.G. Schmidt, A. Schindlmayr, M. Imlau, F. Dobener, N. Mengel, S. Chatterjee, S. Sanna, Physical Review Materials 3 (2019).
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F. Schmidt, A. Riefer, W.G. Schmidt, A. Schindlmayr, M. Imlau, F. Dobener, N. Mengel, S. Chatterjee, S. Sanna, Physical Review Materials 3 (2019).
2019 | Journal Article | LibreCat-ID: 29746
Excited-state band mapping and momentum-resolved ultrafast population dynamics in In/Si(111) nanowires investigated with XUV-based time- and angle-resolved photoemission spectroscopy
C.W. Nicholson, M. Puppin, A. Lücke, U. Gerstmann, M. Krenz, W.G. Schmidt, L. Rettig, R. Ernstorfer, M. Wolf, Physical Review B 99 (2019).
LibreCat
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C.W. Nicholson, M. Puppin, A. Lücke, U. Gerstmann, M. Krenz, W.G. Schmidt, L. Rettig, R. Ernstorfer, M. Wolf, Physical Review B 99 (2019).
2019 | Journal Article | LibreCat-ID: 10015
Water Splitting Reaction at Polar Lithium Niobate Surfaces
C. Dues, W.G. Schmidt, S. Sanna, ACS Omega (2019) 3850–3859.
LibreCat
| DOI
C. Dues, W.G. Schmidt, S. Sanna, ACS Omega (2019) 3850–3859.
2019 | Journal Article | LibreCat-ID: 13365 |

Potassium titanyl phosphate (KTP) quasiparticle energies and optical response
S. Neufeld, A. Bocchini, U. Gerstmann, A. Schindlmayr, W.G. Schmidt, Journal of Physics: Materials 2 (2019) 045003.
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| DOI
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S. Neufeld, A. Bocchini, U. Gerstmann, A. Schindlmayr, W.G. Schmidt, Journal of Physics: Materials 2 (2019) 045003.
2019 | Journal Article | LibreCat-ID: 13429 |

Oxygen and potassium vacancies in KTP calculated from first principles
A. Bocchini, S. Neufeld, U. Gerstmann, W.G. Schmidt, Journal of Physics: Condensed Matter 31 (2019) 385401.
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| DOI
| Download (ext.)
A. Bocchini, S. Neufeld, U. Gerstmann, W.G. Schmidt, Journal of Physics: Condensed Matter 31 (2019) 385401.
2018 | Journal Article | LibreCat-ID: 13410 |

Erratum: Optical properties of titanium-doped lithium niobate from time-dependent density-functional theory [Phys. Rev. Materials 1, 034401 (2017)]
M. Friedrich, W.G. Schmidt, A. Schindlmayr, S. Sanna, Physical Review Materials 2 (2018).
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M. Friedrich, W.G. Schmidt, A. Schindlmayr, S. Sanna, Physical Review Materials 2 (2018).
2018 | Journal Article | LibreCat-ID: 10013
Beyond the molecular movie: Dynamics of bands and bonds during a photoinduced phase transition
C.W. Nicholson, A. Lücke, W.G. Schmidt, M. Puppin, L. Rettig, R. Ernstorfer, M. Wolf, Science (2018) 821–825.
LibreCat
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C.W. Nicholson, A. Lücke, W.G. Schmidt, M. Puppin, L. Rettig, R. Ernstorfer, M. Wolf, Science (2018) 821–825.
2018 | Journal Article | LibreCat-ID: 10016
Unraveling the Oxidation and Spin State of Mn–Corrole through X-ray Spectroscopy and Quantum Chemical Analysis
M. Paszkiewicz, T. Biktagirov, H. Aldahhak, F. Allegretti, E. Rauls, W. Schöfberger, W.G. Schmidt, J.V. Barth, U. Gerstmann, F. Klappenberger, The Journal of Physical Chemistry Letters (2018) 6412–6420.
LibreCat
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M. Paszkiewicz, T. Biktagirov, H. Aldahhak, F. Allegretti, E. Rauls, W. Schöfberger, W.G. Schmidt, J.V. Barth, U. Gerstmann, F. Klappenberger, The Journal of Physical Chemistry Letters (2018) 6412–6420.
2018 | Journal Article | LibreCat-ID: 10019
Identifying On-Surface Site-Selective Chemical Conversions by Theory-Aided NEXAFS Spectroscopy: The Case of Free-Base Corroles on Ag(111)
H. Aldahhak, M. Paszkiewicz, E. Rauls, F. Allegretti, S. Tebi, A.C. Papageorgiou, Y.-Q. Zhang, L. Zhang, T. Lin, T. Paintner, R. Koch, W.G. Schmidt, J.V. Barth, W. Schöfberger, S. Müllegger, F. Klappenberger, U. Gerstmann, Chemistry - A European Journal (2018) 6787–6797.
LibreCat
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H. Aldahhak, M. Paszkiewicz, E. Rauls, F. Allegretti, S. Tebi, A.C. Papageorgiou, Y.-Q. Zhang, L. Zhang, T. Lin, T. Paintner, R. Koch, W.G. Schmidt, J.V. Barth, W. Schöfberger, S. Müllegger, F. Klappenberger, U. Gerstmann, Chemistry - A European Journal (2018) 6787–6797.
2018 | Journal Article | LibreCat-ID: 4769
Imaging of 180∘ ferroelectric domain walls in uniaxial ferroelectrics by confocal Raman spectroscopy: Unraveling the contrast mechanism
M. Rüsing, S. Neufeld, J. Brockmeier, C. Eigner, P. Mackwitz, K. Spychala, C. Silberhorn, W.G. Schmidt, G. Berth, A. Zrenner, S. Sanna, Physical Review Materials 2 (2018).
LibreCat
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M. Rüsing, S. Neufeld, J. Brockmeier, C. Eigner, P. Mackwitz, K. Spychala, C. Silberhorn, W.G. Schmidt, G. Berth, A. Zrenner, S. Sanna, Physical Review Materials 2 (2018).
2018 | Journal Article | LibreCat-ID: 17065
Electric Field Induced Raman Scattering at the Sb–InP(110) Interface: The Surface Dipole Contribution
N. Esser, W.G. Schmidt, Physica Status Solidi (b) (2018).
LibreCat
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N. Esser, W.G. Schmidt, Physica Status Solidi (b) (2018).