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Prof. Dr. Ludger Wirtz
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| Faculty or Centre | Faculty of Science, Technology and Medicine | ||||||
| Department | Department of Physics and Materials Science | ||||||
| Postal Address |
Campus Limpertsberg, Université du Luxembourg 162 A, avenue de la Faïencerie L-1511 Luxembourg |
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| Campus Office | BRB 1.15 | ||||||
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| Telephone | (+352) 46 66 44 6378 | ||||||
Articles published in scientific periodicals
Control of Raman Scattering Quantum Interference Pathways in Graphene; ; ; ; ; ; ; ; ; ;
in ACS Nano (2023)
Intrinsic Control of Interlayer Exciton Generation in Van der Waals Materials via Janus Layers; ; ; ;
in Nano Lett. (2023)
Symmetry-based computational search for novel binary and ternary 2D materials; ; ; ;
in 2D Mater. (2023), 10(3), 035007
Excitonic-insulator instability and Peierls distortion in one-dimensional semimetals; ; ; ;
in Physical Review. B (2022), 105(7), 075122
Native defects in monolayer GaS and GaSe: Electrical properties and thermodynamic stability; ;
in Physical Review Materials (2022), 6(11), 114002
The impact of strain on growth mode in chemical vapor deposited mono- and few-layer MoS2; ; ; ; ;
in AIP Adv. (2022), 12(6), 065010
Raman imaging of twist angle variations in twisted bilayer graphene at intermediate angles; ; ; ; ; ; ; ; ; ; ;
in 2D Mater. (2022), 9(4), 045009
Collective electronic excitations in charge density wave systems: The case of CuTe;
in Physical Review. B (2021), 104(12), 125101
Electronic structure of TiSe2 from a quasi-self-consistent G0W0 approach; ; ; ;
in Physical Review. B (2021), 103
Time-Dependent Screening Explains the Ultrafast Excitonic Signal Rise in 2D Semiconductors; ; ; ; ;
in ACS Nano (2021), 15(1), 1179--1185
Nonadiabatic exciton-phonon coupling in Raman spectroscopy of layered materials;
in Science Advances (2020), 6
Theory of resonant Raman scattering: Towards a comprehensive ab initio description;
in Physical Review. B (2019), 99(17), 174312-15
Searching for materials with high refractive index and wide band gap: A first-principles high-throughput study; ; ; ; ;
in PHYSICAL REVIEW MATERIALS (2019), 3(4), 044602-12
Photoinduced Phase Transitions in Ferroelectrics; ; ; ;
in PHYSICAL REVIEW LETTERS (2019), 123(8), 087601-6
Exciton-Phonon Coupling in the Ultraviolet Absorption and Emission Spectra of Bulk Hexagonal Boron Nitride; ; ;
in PHYSICAL REVIEW LETTERS (2019), 122(18), 187401-6
Excitation-intensity dependence of shallow and deep-level photoluminescence transitions in semiconductors; ; ; ;
in Journal of Applied Physics (2019)
Intravalley Spin-Flip Relaxation Dynamics in Single-Layer WS2; ; ; ; ; ; ; ; ; ; ; ; ; ;
in NANO LETTERS (2018), 18(11), 6882-6891
Direct and indirect excitons in boron nitride polymorphs: A story of atomic configuration and electronic correlation; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter (2018), 98(12), 125206
Optical control of polarization in ferroelectric heterostructures; ; ; ; ; ; ; ; ; ;
in Nature Communications (2018), 9
Ab initio and semiempirical modeling of excitons and trions in monolayer TiS3; ; ; ;
in Physical Review. B, Condensed Matter (2018), 98
Interlayer and intralayer excitons in MoS2/WS2 and MoSe2/WSe2 heterobilayers; ; ;
in Physical Review. B, Condensed Matter (2018), 97
Impact of many-body effects on Landau levels in graphene; ; ; ; ; ;
in Physical Review Letters (2018), 120(18), 187701
Synthesis, theoretical and experimental characterisation of thin film Cu2Sn1-xGexS3 ternary alloys (x = 0 to 1): Homogeneous intermixing of Sn and Ge; ; ; ; ; ; ; ; ; ; ;
in Acta Materialia (2018), 151
Excitons in few-layer hexagonal boron nitride: Davydov splitting and surface localization; ; ; ; ;
in 2D MATERIALS (2018), 5(4), 045017
Critical Role of the Exchange Interaction for the Electronic Structure and Charge-Density-Wave Formation in TiSe2; ; ; ; ;
in Physical Review Letters (2017), 119
Ab Initio Calculations of Ultrashort Carrier Dynamics in Two-Dimensional Materials: Valley Depolarization in Single-Layer WSe2; ; ;
in Nano Letters (2017), 17
Ab initio calculation of the G peak intensity of graphene: Laser-energy and Fermi-energy dependence and importance of quantum interference effects;
in Physical Review. B (2017), 95(19), 195422
Tuning the Pseudospin Polarization of Graphene by a Pseudomagnetic Field; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
in Nano Letters (2017), 17
Quantum Interference Effects in Resonant Raman Spectroscopy of Single- and Triple-Layer MoTe2 from First-Principles; ; ; ; ;
in Nano Letters (2017), 17(4), 2381--2388
Valence band splitting in Cu2(Sn,Ge, Si)S3: effect on optical absorption spectra; ; ;
in Physica Status Solidi. Rapid Research Letters (2017)
Excitons in boron nitride single layer; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter (2016), 94(125303),
Temperature-dependent excitonic effects in the optical properties of single-layer MoS2; ; ;
in Physical Review. B, Condensed Matter (2016), 93
Vibrational and optical properties of MoS2: From monolayer to bulk; ;
in Surface Science Reports (2015), 70(4), 554-586
Unified Description of the Optical Phonon Modes in N-Layer MoTe2; ; ; ; ; ;
in Nano Letters (2015), 15
Phonon-limited carrier mobility and resistivity from carbon nanotubes to graphene; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2015)
Ab initio perspective on the Mollwo-Ivey relation for F centers in alkali halides; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2015), 92
Raman spectroscopy of graphite intercalation compounds: Charge transfer, strain, and electron–phonon coupling in graphene layers; ;
in Physica Status Solidi B. Basic Research (2014), 251(12), 23372355
Moiré-induced replica of graphene phonons on Ir(111); ; ; ;
in Annalen der Physik (2014), 526(9-10), 372-380
Excitons in a mirror: Formation of “optical bilayers” using MoS2 monolayers on gold substrates; ; ; ; ;
in Applied Physics Letters (2014), 104
F center in lithium fluoride revisited: Comparison of solid-state physics and quantum-chemistry approaches; ; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter (2014), 89
Screening of electron-phonon coupling in graphene on Ir(111); ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2013), 88(205403),
Efficient Gate-tunable light-emitting device made of defective boron nitride nanotubes: from ultraviolet to the visible; ; ;
in Scientific Reports (2013), 3
Anomalous quantum confinement of the longitudinal optical phonon mode in PbSe quantum dots; ; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2013), 88(11), 115313
Effect of spin-orbit interaction on the optical spectra of single-layer, double-layer, and bulk MoS2; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2013)
Manifestation of charged and strained graphene layers in the Raman response of graphite intercalation compounds.; ;
in ACS Nano (2013), 7(10), 9249
Dielectric screening of the Kohn anomaly of graphene on hexagonal boron nitride; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2013), 88
Contribution of the buffer layer to the Raman spectrum of epitaxial graphene on SiC(0001); ; ; ; ; ; ;
in New Journal of Physics (2013), 15(4), 043031
Towards an ab initio description of the charge transfer between a proton and a lithium fluoride surface: A quantum chemistry approach; ; ;
in Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (2013), 317, Part A
Coupling of excitons and defect states in boron-nitride nanostructures; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2011), 83(14), 144115
Anisotropic excitonic effects in the energy loss function of hexagonal boron nitride; ; ; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2011), 83(8), 081413
Phonons in single-layer and few-layer MoS2 and WS2;
in Physical Review. B, Condensed Matter and Materials Physics (2011), 84
Variations in the work function of doped single- and few-layer graphene assessed by Kelvin probe force microscopy and density functional theory; ; ; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2011), 83(23),
Graphene on Metallic Substrates: Suppression of the Kohn Anomalies in the Phonon Dispersion;
in Nano Letters (2010), 10(11), 4335-4340
Doped Graphene as Tunable Electron-Phonon Coupling Material; ; ; ;
in Nano Letters (2010), 10(4), 1172-1176
Transport through open quantum dots: Making semiclassics quantitative; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2010), 81(12),
Dielectric function of colloidal lead chalcogenide quantum dots obtained by a Kramers-Kronig analysis of the absorbance spectrum; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2010), 81(23),
Electronic structure and radial breathing mode for carbon nanotubes with ultra-high curvature; ; ; ; ; ; ;
in Physica Status Solidi B. Basic Research (2010), 247(11-12), 2774-2778
Rumpling of LiF(001) surface from fast atom diffraction; ; ; ; ; ; ; ;
in Physical Review. A (2010), 82(6), 062902
Phonon surface mapping of graphite: Disentangling quasi-degenerate phonon dispersions; ; ; ; ; ; ; ; ; ;
in Physical Review. B (2009), 80(8),
Near Kohn anomalies in the phonon dispersion relations of lead chalcogenides; ;
in Physical Review. B (2009), 80(24),
Vanishing gap in LiF for electronic excitations by slow antiprotons; ;
in Physical Review. B (2009), 79(12),
Suppression of Decoherence in Fast-Atom Diffraction at Surfaces; ; ; ;
in Physical Review Letters (2008), 101(25),
Fundamental studies in nanosciences at the Institute of Electronics, Microelectronics, and Nanotechnology (IEMN); ; ; ; ; ; ; ; ; ; ; ; ;
in International Journal of Nanotechnology (2008), 5(6-8), 631-648
Diffractive paths for weak localization in quantum billiards; ; ; ;
in Physical Review. B (2008), 77(16),
Electron-electron correlation in graphite: A combined angle-resolved photoemission and first-principles study; ; ; ; ; ; ; ; ; ; ; ; ; ;
in Physical Review Letters (2008), 100(3), 037601
Tight-binding description of the quasiparticle dispersion of graphite and few-layer graphene; ; ; ; ; ;
in Physical Review. B (2008), 78(20),
Impact of the electron-electron correlation on phonon dispersion: Failure of LDA and GGA DFT functionals in graphene and graphite; ; ;
in Physical Review. B (2008), 78(8),
Excitation energy and pair correlation function of trions near an LiF surface; ;
in Physical Review. B (2008), 78(15),
Comment on "Huge Excitonic Effects in Layered Hexagonal Boron Nitride"; ; ; ; ;
in Physical Review Letters (2008), 100(18),
Raman mapping of a single-layer to double-layer graphene transition; ; ; ; ; ;
in European Physical Journal. Special Topics (2007), 148
Spatially resolved raman spectroscopy of single- and few-layer graphene; ; ; ; ; ;
in Nano Letters (2007), 7(2), 238-242
Vibrational properties of hexagonal boron nitride: Inelastic X-ray scattering and ab initio calculations; ; ; ; ; ; ; ;
in Physical Review Letters (2007), 98(9), 095503
Raman imaging of doping domains in graphene on SiO(2); ; ; ; ; ;
in Applied Physics Letters (2007), 91(24),
Raman spectroscopy of single-wall boron nitride nanotubes; ; ; ; ; ; ;
in Nano Letters (2006), 6(8), 1812-1816
Excitons in boron nitride nanotubes: Dimensionality effects; ;
in Physical Review Letters (2006), 96(12), 126104
Pseudopath semiclassical approximation to transport through open quantum billiards: Dyson equation for diffractive scattering; ; ;
in Physical Review. E. (2005), 72(3),
Raman spectra of BN nanotubes: Ab initio and bond-polarizability model calculations; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2005), 71(24),
Formation and electronic properties of BC3 single-wall nanotubes upon boron substitution of carbon nanotubes; ; ; ; ; ;
in Physical Review. B (2004), 69(24),
Optical absorption and electron energy loss spectra of carbon and boron nitride nanotubes: a first-principles approach; ; ; ; ;
in Applied Physics A : Materials Science & Processing (2004), 78(8), 1157-1167
Phonon and plasmon excitation in inelastic electron tunneling spectroscopy of graphite; ; ; ;
in Physical Review. B (2004), 69(12),
The phonon dispersion of graphite revisited;
in Solid State Communications (2004), 131(3-4), 141-152
Potential-energy surfaces for charge exchange between singly charged ions and a LiF surface; ; ; ;
in Physical Review. A (2003), 68(3),
Liouville master equation for multielectron dynamics: Neutralization of highly charged ions near a LiF surface; ; ;
in Physical Review. A (2003), 67(1),
Ab initio calculations of the lattice dynamics of boron nitride nanotubes; ; ;
in Physical Review. B (2003), 68(4),
Semiclassical theory for transmission through open billiards: Convergence towards quantum transport; ; ;
in Physical Review. E. (2003), 67(1),
Kinetically assisted potential sputtering of insulators by highly charged ions; ; ; ; ; ; ; ; ; ; ;
in Physical Review Letters (2001), 86(16), 3530-3533
Modular recursive Green's function method for ballistic quantum transport; ; ; ;
in Physical Review. B (2000), 62(3), 1950-1960
Charge-state evolution of highly charged ions transmitted through microcapillaries; ; ;
in Physical Review. A (2000), 61(2),
Threshold for potential sputtering of LiF; ; ; ; ; ; ; ; ;
in Physical Review Letters (1999), 83(19), 3948-3951
Gauge-invariant theory for semiclassical magnetotransport through ballistic microstructures; ;
in Physical Review. B (1999), 59(4), 2956-2967
Oscillations in the magnetoconductance autocorrelation function for ballistic microstructures; ; ;
in Physical Review. B, Condensed Matter (1998), 57(16), 9875-9878
Geometry-dependent scattering through ballistic microstructures: Semiclassical theory beyond the stationary-phase approximation; ;
in Physical Review. B (1997), 56(12), 7589-7597
Scientific congresses, symposiums and conference proceedings – Papers published in a journal
Influence of Inelastic Processes on Fast-Atom-Surface Diffraction; ; ; ;
in Journal of Physics: Conference Series (2008), 133
Absorption of BN nanotubes under the influence of a perpendicular electric field; ; ;
in Physica Status Solidi B. Basic Research (2007), 244(11), 4288-4292
Raman spectroscopy on single- and few-layer graphene; ; ; ; ; ;
in AIP Conference Proceedings (2007), 893
Low energy quasiparticle dispersion of graphite by angle-resolved photoemission spectroscopy; ; ; ; ; ; ; ;
in Physica Status Solidi B. Basic Research (2007), 244(11), 4129-4133
Electron emission from surfaces induced by HCI and lasers; ; ; ;
in Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (2005), 235
Optical absorption of hexagonal boron nitride and BN nanotubes; ;
in AIP Conference Proceedings (2005), 786
Multi-electron dynamics for neutralization of highly charged ions near surfaces; ; ;
in Vacuum (2004), 73(1), 3-7
Raman spectroscopy of single-wall BN nanotubes; ; ; ; ;
in AIP Conference Proceedings (2003), (685), 384-388
Electronic structure and optical properties of boron doped single-wall carbon nanotubes; ; ; ; ; ; ;
in AIP Conference Proceedings (2003), 685
Angular distribution of highly charged ions transmitted through metallic microcapillaries; ; ;
in Journal of Electron Spectroscopy and Related Phenomena (2003), 129(2-3), 195-200
Vibrational properties of boron nitride nanotubes: Effects of finite length and bundling;
in IEEE Transactions on Nanotechnology (2003), 2
Vertical incidence of slow Ne10+ ions on an LiF surface: Suppression of the trampoline effect; ; ; ;
in Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (2001), 182
Observation of a threshold in potential sputtering of LiF surfaces; ; ; ; ; ; ;
in Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (2000), 164
Curve-crossing analysis for potential sputtering of insulators; ; ; ; ; ; ; ;
in Surface Science (2000), 451(1-3), 197-202
Interaction of highly charged ions with microcapillaries; ;
in Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (1999), 154(1-4), 307-311
Contributions to collective works
Scientific congresses, symposiums and conference proceedings – Papers published in a book
Collisions of slow highly charged ions with surfaces; ; ; ; ; ;
in Fainstein, P.D.; Lima, M.A.P.; Miraglia, J.E.; Rivarola, R.D. (Eds.) Photonic, Electronic and Atomic Collisions, Proceedings of the XXIV International Conference (2006)
Letters to the Editor
Patents
Scientific congresses, symposiums and conference proceedings – Unpublished conferences
Ab-initio study of the temperature effects on the optical properties of transition metal dichalcogenides; ; ;
Scientific Conference (2015, March 05)
Phonons of graphene on metallic and semiconductor surfaces, an ab-inito approach;
Scientific Conference (2014, April 04)
Phonon dispersion and optical properties of layered materials: influence of the environmentScientific Conference (2014, February 11)
Electron-Phonon Interaction in Single-Layer MoS2. Influence on the Electronic Properties and Bandgap Renormalization; ; ;
Scientific Conference (2014)
Interaction of graphene with metallic and semiconductor surfaces. Ab initio approach to the lattice dynamics;
Scientific Conference (2014)
Effect of spin-orbit interaction on the excitonic effects in single-layer, double-layer, and bulk MoS2;
Scientific Conference (2013)
Ab initio Study of the Excitonic Effects on the Optical Spectra of Single-layer, Double-layer, and Bulk MoS2; ; ; ;
Scientific Conference (2013)
Graphene and graphite intercalation compounds: dependence of the phonon dispersion on the environmentScientific Conference (2013)
Influence on the environment on the optical and vibrational properties of 2D materials: graphene, BN, and MoS2Scientific Conference (2013)
Manifestation of charged and strained graphene layers in the Raman response of graphite intercalation compounds; ;
Scientific Conference (2013)
The phonon dispersion of graphene in interaction with different substratesScientific Conference (2012)
Scientific congresses, symposiums and conference proceedings – Posters
Semi-empirical discription of Kohn anomalies in the phonon dispersion of graphene;
Poster (2015, September 08)
Electronic and Vibrational proprieties of graphene on Ir(111) and SiC(100); ;
Poster (2015, September)
Scientific presentations in Universities or research centres
Phonon dispersion and optical properties of layered materials: influence of the environmentPresentation (2014, January 16)
Optical and vibrational properties of 2D materials with ab-initio techniquesPresentation (2013, April 13)
Influence of the environment on the optical and vibrational properties of 2D materials: graphene, BN and MoS2Presentation (2013, February 07)
