6.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR4k papers
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- Université Paris-SudFR767 papers
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- Radboud University NijmegenNL653 papers
- Université Grenoble AlpesFR640 papers
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490 papers · 1 filter
Magneto-spectroscopy of exciton Rydberg states in a CVD grown WSe2 monolayer
A. Delhomme, G. Butseraen, B. Zheng +9
The results of magneto-optical spectroscopy investigations of excitons in a CVD grown monolayer of WSe2 encapsulated in hexagonal boron nitride are presented. The emission linewidt…
Dimensional crossover of acoustic phonon lifetime in -MoSe
P. Soubelet, A. A. Reynoso, A. Fainstein +4
A time-resolved observation of coherent interlayer longitudinal acoustic phonons in 2-MoSe is reported. A femtosecond pump-probe technique is used to investigate the evoluti…
Avoided level crossing at the magnetic field induced topological phase transition due to spin-orbital mixing
G. Krizman, B. A. Assaf, M. Orlita +7
In 3D topological insulators, an effective closure of the bulk energy gap with increasing magnetic field expected at a critical point can yield a band crossing at a gapless Dirac n…
Orbital, spin and valley contributions to Zeeman splitting of excitonic resonances in MoSe, WSe and WS monolayers
M. Koperski, M. R. Molas, A. Arora +6
We present a comprehensive optical study of the excitonic Zeeman effects in transition metal dichalcogenide monolayers, which are discussed comparatively for selected materials: Mo…
Silicon Vibrating Wires at Low Temperatures
Eddy Collin, Laure Filleau, Thierry Fournier +2
Nowadays microfabrication techniques originating from micro-electronics enable to create mechanical objects of micron-size. The field of Micro-Electro-Mechanical devices (MEMS) is…
Revealing the nature of excitons in liquid exfoliated monolayer WS2
Ł. Kłopotowski, C. Backes, A. A. Mitioglu +6
Transition metal dichalcogenides hold promise for applications in novel optoelectronic devices. There is therefore a need for materials that can be obtained in large quantities and…
Electrical control of a solid-state flying qubit
Michihisa Yamamoto, Shintaro Takada, Christopher Bäuerle +3
Solid-state approaches to quantum information technology are attractive because they are scalable. The coherent transport of quantum information over large distances, as required f…
Single Photon Emitters in Boron Nitride: More Than a Supplementary Material
Maciej Koperski, Karol Nogajewski, Marek Potemski
We present comprehensive optical studies of recently discovered single photon sources in boron nitride, which appear in form of narrow lines emitting centres. Here, we aim to compa…
Reduction of phonon mean free path: from low temperature physics to room temperature applications in thermoelectricity
Olivier Bourgeois, Dimitri Tainoff, Adib Tavakoli +5
It has been proposed for a long time now that the reduction of the thermal conductivity by reducing the phonon mean free path is one of the best way to improve the current performa…
Coherent spin dynamics in gadolinium-doped CaWO4 crystal
E. I. Baibekov, M. R. Gafurov, D. G. Zverev +4
We report the first observation of Rabi oscillations in the spin-7/2 ensemble of trivalent gadolinium ions hosted in CaWO single crystal. A number of transitions within the low…
Quantum interference in a macroscopic van der Waals conductor
C. W. Rischau, S. Wiedmann, G. Seyfarth +3
Quantum corrections to charge transport can give rise to an oscillatory magnetoconductance, typically observed in mesoscopic samples with a length shorter than or comparable with t…
Scaling of sub-gap excitations in a superconductor-semiconductor nanowire quantum dot
Eduardo J. H. Lee, Xiaocheng Jiang, Rok Zitko +3
A quantum dot coupled to a superconducting contact provides a tunable artificial analogue of a magnetic atom in a superconductor, a paradigmatic quantum impurity problem. We realiz…
Magnetic-field-induced abrupt spin state transition in a quantum dot containing magnetic ions
Maciej Koperski, Tomasz Smoleński, Mateusz Goryca +3
We present the results of a comprehensive magneto-optical characterization of single CdTe quantum dots containing a few Mn2+ ions. We find that some quantum dots exhibit an unexpec…
Exciton-phonon relaxation bottleneck and radiative decay of thermal exciton reservoir in two-dimensional materials
A. O. Slobodeniuk, D. M. Basko
We study exciton radiative decay in a two-dimensional material, taking into account large thermal population in the non-radiative states, from which excitons are scattered into the…
High-Fidelity and Ultrafast Initialization of a Hole Spin Bound to a Te Isoelectronic Center in ZnS
Philippe St-Jean, Gabriel Éthier-Majcher, Régis André +1
We demonstrate the optical initialization of a hole-spin qubit bound to an isoelectronic center (IC) formed by a pair of Te impurities in ZnSe, an impurity/host system providing hi…
Conductance measurement of spin-orbit coupling in the two-dimensional electron systems with in-plane magnetic field
K. Kolasiński, H. Sellier, B. Szafran
We consider determination of spin-orbit (SO) coupling constants for the two-dimensional electron gas from measurements of electric properties in rotated in-plane magnetic field. %D…
Resonance effects in the Raman scattering of mono- and few layers MoSe
P. Soubelet, A. E. Bruchhausen, A. Fainstein +2
Using resonant Raman scattering spectroscopy with 25 different laser lines, we describe the Raman scattering spectra of mono- and multi-layers 2H-molybdenum diselenide (MoSe) a…
Experimental approval of the extended flat bands and gapped subbands in rhombohedral multilayer graphene
Y. Henni, H. P. Ojeda Collado, K. Nogajewski +6
Graphene layers are known to stack in two stable configurations, namely ABA or ABC stacking, with drastically distinct electronic properties. Unlike the ABA stacking, little has be…
Reconfigurable quadruple quantum dots in a silicon nanowire transistor
A. C. Betz, M. L. V. Tagliaferri, M. Vinet +4
We present a novel reconfigurable metal-oxide-semiconductor multi-gate transistor that can host a quadruple quantum dot in silicon. The device consist of an industrial quadruple-ga…
Spin-flip processes and radiative decay of dark intravalley excitons in transition metal dichalcogenide monolayers
A. O. Slobodeniuk, D. M. Basko
We perform a theoretical study of radiative decay of dark intravalley excitons in transition metal dichalcogenide monolayers. This decay necessarily involves an electronic spin fli…
Spin-orbit coupling measurement by the scanning gate microscopy
K. Kolasiński, H. Sellier, B. Szafran
We propose a procedure for extraction of the Fermi surface for a two-dimensional electron gas with a strong Rashba spin-orbit coupling from conductance microscopy. Due to the inter…
Evidence for the role of normal-state electrons in nanoelectromechanical damping mechanisms at very low temperatures
K. J. Lulla, M. Defoort, C. Blanc +2
We report on experiments performed at low temperatures on aluminum covered silicon nanoelectromechanical resonators. The substantial difference observed between the mechanical diss…
Strong interband Faraday rotation in 3D topological insulator Bi2Se3
L. Ohnoutek, M. Hakl, M. Veis +11
The Faraday effect is a representative magneto-optical phenomenon, resulting from the transfer of angular momentum between interacting light and matter in which time-reversal symme…
Specific heat measurement of thin suspended SiN membrane from 8 K to 300 K using the 3-Vlklein method
Hossein Ftouni, Dimitri Tainoff, Jacques Richard +4
We present a specific heat measurement technique adapted to thin or very thin suspended membranes from low temperature (8 K) to 300 K. The presented device allows the measurement o…