Department of Physical Chemistry, Fritz Haber Institute of the MPG 

Lattice Dynamics Group

Alex Paarmann
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List of Publications
2018
Porer, M., M. Fechner, E.M. Bothschafter, L. Rettig, M. Savoini, V. Esposito, J. Rittmann, M. Kubli, M.J. Neugebauer, E. Abreu, T. Kubacka, T. Huber, G. Lantz, S. Parchenko, S. Grübel, A. Paarmann, J. Noack, P. Beaud, G. Ingold, U. Aschauer, S.L. Johnson, and U. Staub:
Ultrafast Relaxation Dynamics of the Antiferrodistortive Phase in Ca Doped SrTiO3.
Phys. Rev. Lett. 121, 055701 (2018), [doi: 10.1103/PhysRevLett.121.055701].
Passler, N.C., C.R. Gubbin, T.G. Folland, I. Razdolski, D.S. Katzer, D.F. Storm, M. Wolf, S. De Liberato, J.D. Caldwell, and A. Paarmann:
Strong Coupling of Epsilon-Near-Zero Phonon Polaritons in Polar Dielectric Heterostructures.
Nano Lett. 18, 4285–4292 (2018), [doi: 10.1021/acs.nanolett.8b01273].
Maehrlein, S.F., I. Radu, P. Maldonado, A. Paarmann, M. Gensch, A.M. Kalashnikova, R.V. Pisarev, M. Wolf, P.M. Oppeneer, J. Barker, and T. Kampfrath:
Dissecting spin-phonon equilibration in ferrimagnetic insulators by ultrafast lattice excitation.
Sci. Adv. 4, eaar5164 (2018)
[doi: 10.1126/sciadv.aar5164].
Winta, C.J., S. Gewinner, W. Schöllkopf, M. Wolf, A. Paarmann:
Second-harmonic phonon spectroscopy of α-quartz.
Phys. Rev. B 97, 094108 (2018), [doi: 10.1103/PhysRevB.97.094108].
2017
Passler, N.C., A. Paarmann:
Generalized 4 × 4 matrix formalism for light propagation in anisotropic stratified media: study of surface phonon polaritons in polar dielectric heterostructures.
J. Opt. Soc. Am. B 34, 2128–2139 (2017), [doi: 10.1364/JOSAB.34.002128].
Passler, N.C., I. Razdolski, S. Gewinner, W. Schöllkopf, M. Wolf, and A. Paarmann:
Second-Harmonic Generation from Critically Coupled Surface Phonon Polaritons.
ACS Photonics 4, 1048–1053 (2017), [doi: 10.1021/acsphotonics.7b00118].
2016
Razdolski, I., Y. Chen, A.J. Giles, S. Gewinner, W. Schöllkopf, M. Hong, M. Wolf, V. Giannini, J.D. Caldwell, S.A. Maier, and A. Paarmann:
Resonant Enhancement of Second-Harmonic Generation in the Mid-Infrared Using Localized Surface Phonon Polaritons in Subdiffractional Nanostructures.
Nano Lett. 16, 6954–6959 (2016), [doi: 10.1021/acs.nanolett.6b03014].
A. Paarmann, I. Razdolski, S. Gewinner, W. Schöllkopf, and M. Wolf:
Effects of crystal anisotropy on optical phonon resonances in midinfrared second harmonic response of SiC.
Phys. Rev. B 94, 134312 (2016), [doi: 10.1103/PhysRevB.94.134312].
A. Paarmann, I. Razdolski, J. Caldwell, A. Giles, V. Giannini, S. Gewinner, W. Schoellkopf, S. Maier, and M. Wolf:
Mid-Infrared Second Harmonic Spectroscopy Probing Surface Phonon Polariton Localization in SiC Nanopillars.
In: Conference on Lasers and Electro-Optics, QELS_Fundamental Science 2016, San Jose (CA), 5–10 June 2016;
OSA Technical Digest (online) (Optical Society of America, 2016), paper FW1B.3., [doi: 10.1364/CLEO_QELS.2016.FW1B.3].
Winta, C.J., S. Gewinner, W. Schoellkopf, M. Wolf, and A. Paarmann:
Second Harmonic Phonon Spectroscopy of α-Quartz.
In: Conference on Lasers and Electro-Optics, QELS_Fundamental Science 2016, San Jose (CA), 5–10 June 2016;
OSA Technical Digest (online) (Optical Society of America, 2016), paper FTu4A.5., [doi: 10.1364/CLEO_QELS.2016.FTu4A.5].
2015
A. Paarmann, I. Razdolski, A. Melnikov, S. Gewinner, W. Schöllkopf, & M. Wolf::
Second harmonic generation spectroscopy in the Reststrahl band of SiC using an infrared free-electron laser.
Appl. Phys. Lett. 107, 081101 (2015), [doi: 10.1063/1.4929358].
W. Schöllkopf, S. Gewinner, H. Junkes, A. Paarmann, G. von Helden, H. Bluem, A.M.M. Todd:
The new IR and THz FEL facility at the Fritz Haber Institute in Berlin.
In: S.G. Biedron (ed.), Advances in X-ray Free-Electron Lasers Instrumentation III, Prague, Czech Republic, April 13, 2015.
Proc. SPIE 9512 (2015), [doi: 10.1117/12.2182284].
M. Müller, A. Paarmann & R. Ernstorfer:
Visualization of Photocurrents in Nanoobjects by Ultrafast Low-Energy Electron Point-Projection Imaging.
Ultrafast Phenomena XIX, Springer Proceedings in Physics 162, 667–670 (2015), [doi: 10.1007/978-3-319-13242-6_164].
2014
M. Müller, A. Paarmann & R. Ernstorfer:
Femtosecond electrons probing currents and atomic structure in nanomaterials.
Nature Communications 5, article no. 5292 (2014), [doi: 10.1038/ncomms6292].
2013
S. Lüneburg, M. Müller, A. Paarmann and R. Ernstorfer:
Microelectrode for energy and current control of nanotip field electron emitters.
Appl. Phys. Lett. 103, 213506 (2013), [doi: 10.1063/1.4831735].
E.M. Bothschafter, A. Paarmann, E.S. Zijlstra, N. Karpowicz, M.E. Garcia, R. Kienberger, and R. Ernstorfer:
Ultrafast Evolution of the Excited-State Potential Energy Surface of TiO2 Single Crystals Induced by Carrier Cooling.
Phys. Rev. Lett. 110, 067402 (2013), [doi: 10.1103/PhysRevLett.110.067402].
2012
A. Paarmann, M. Gulde, M. Müller, S. Schäfer, S. Schweda, M. Maiti, C. Xu, T. Hohage, F. Schenk, C. Ropers, and R. Ernstorfer:
Coherent femtosecond low-energy single-electron pulses for time-resolved diffraction and imaging: A numerical study.
J. Appl. Phys. 112, 113109 (2012), [doi: 10.1063/1.4768204].
2011
A. Paarmann, M. Lima, R. Chelli, V.V. Volkov, R. Righini and R.J.D. Miller:
Excitonic effects in two-dimensional vibrational spectra of liquid formamide.
Phys. Chem. Chem. Phys. 13, 11351-11358 (2011), [doi: 10.1039/C0CP02961K].
2009
R.J.D. Miller, A. Paarmann, and V.I. Prokhorenko:
Diffractive Optics Based Four-Wave, Six-Wave, n-Wave Nonlinear Spectroscopy.
Acc. Chem. Res. 42, 1442-1451 (2009), [doi: 10.1021/ar900040f].
A. Paarmann, T. Hayashi, S. Mukamel, and R. J. D. Miller:
Nonlinear response of vibrational excitons: Simulating the two-dimensional infrared spectrum of liquidwater.
J. Chem. Phys. 130, 204110, (2009), [doi: 10.1063/1.3139003].
(cited in the Virtual Journal of Ultrafast Science 8/6: Condensed Matter Physics / VJ abstract)
A. Paarmann, T. Hayashi, S. Mukamel, and R. J. D. Miller:
Probing Intermolecular Couplings in Simulations of the Two-Dimensional Infrared Photon Echo Spectrum of Liquid Water.
In: P. Corkum, S. de Silvestri, K.A. Nelson, E. Riedle, R.W. Schoenlein (Eds.), Ultrafast Phenomena XVI: Proceedings of the 16th International Conference, Palazzo dei Congressi Stresa, Italy, June 9–13, 2008.
Springer Series in Chemical Physics, Vol. 92 (2009), pp. 469-471.
[ISBN: 978-3-540-95945-8 / doi: 10.1007/978-3-540-95946-5_152].
2008
A. Paarmann, T. Hayashi, S. Mukamel, and R. J. D. Miller:
Probing intermolecular couplings in liquid water with two-dimensional infrared photon echo spectroscopy.
J. Chem. Phys. 128, 191103, (2008), [doi: 10.1063/1.2919050].
(cited in the Virtual Journal of Ultrafast Science 8/6: Chemistry & Biophysics / VJ abstract)
D. Kraemer, M.L. Cowan, A. Paarmann, N. Huse, E.T.J. Nibbering, T. Elsaesser, and R.J.D. Miller:
Temperature dependence of the two-dimensional infrared spectrum of liquid H2O.
PNAS 105, 437442 (2008), [doi: 10.1073/pnas.0705792105].
2007
A. Paarmann, D. Kraemer, M.L. Cowan, N. Huse, M. Harb, B.D. Bruner, J.R. Dwyer, E.T.J. Nibbering, T. Elsaesser, and R.J.D. Miller:
2D-IR photon echo spectroscopy of liquid H2O - Combination of novel nanofluidics and diffractive optics deciphers ultrafast structural dynamics.
In: P. Corkum, D. Jonas, R.J.D. Miller, A.M. Weiner (Eds.), Ultrafast Phenomena XV, Springer Series in Chemical Physics 88,
Springer Series in Chemical Physics, Vol. 88 (2007), pp. 335-337.
[ISBN: 978-3-540-68779-5 / doi: 10.1007/978-3-540-68781-8_108].
2005
A. Paarmann, F. Guffarth, T. Warming, A. Hoffmann, D. Bimberg:
Local Phonon Modes in InAs/GaAs Quantum Dots.
In: J. Menéndez, C.G. Van de Walle (Eds.), Physics of Semiconductors: 27th International Conference on the Physics of Semiconductors, Flagstaff, Arizona, 26-30 July 2004,
AIP Conf. Proc. 772, 689-690 (2005), [doi: 10.1063/1.1994293].
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