Spectroscopies pour les semiconducteurs et les nanostructures
Our research is focused on electronic and optical properties of two-dimensional materials, topological insulators and of nanostructured semiconductor. The physics of two dimensionnal materials such as graphene, semiconducting transition metal dichalcogenides, and of van der Waals magnets are the most representative directions in our recent studies. The effects of interactions, electron-phonon, magnon-phonon and electron-electron as well as spin-dependent phenomena are of particular interest. Spatially resolved optical spectroscopy, from microwaves up to visible spectral range, and electronic transport, both in combination with applications of high magnetic fields, low temperatures and/or of high hydrostatic pressure are our main experimental tools. The techniques of spatially resolved magneto-optical spectroscopy, in particular low energy Raman scattering in fields up to 31T and with hydrostatic pressure up to 20 GPa, are unique experimental methods recently developed in the lab.
De nombreux liens et projets de collaboration sont essentiels à notre activité de recherche. Il s’agit notamment de travaux communs récents avec des équipes de recherche de l’INéel- et du LPMMC-Grenoble, du LPS-Orsay, du C2N-Saclay, des universités de Montpellier, Marseille, Prague, Munich, Varsovie, Wroclaw, Genève, Oxford et Manchester, de l’IPPAS-Varsovie et du Helmholtz-Zentrum, Dresde.
Personnes impliquées dans la thématique
Thèmes
In 2017, scientists have succeeded in isolating a monolayer from a van der Waals magnet, CrI3, and have demonstrated that the magnetic properties persits in monolayers [Hwang17]. Since then, we keep on discovering new van der Waals magnets, representative of most magnetic orders found in bulk systems (ferromagnets, antiferromagnets, ferrimagnets, non-colinear magnets, etc …) with the possibility to thin them down to the monolayer and investigate their magnetic properties down to the 2D limit. We are particularly interested in the properties of s pin waves (magnons) and and of lattice vibrations (phonons) which are intrinsically coupled through magnetoelastic interaction. This coupling is always effective but its effects are strongly enhanced when excitations from the magnetic and from the elastic systems are tuned in resonance. In this case, excitations from the coupled systems are mixed excitations involving phonons and magnons and are called magnon-polarons (see Figure for zig-zag antiferromagnet FePS3). Such resonances can be achieved by tuning external parameters such as a magnetic field or hydrostatic pressure. At the resonance, the modes display a characteristic avoided crossing and the splitting energy between the two modes is a direct measurement of the magneto-elastic interaction.
Figure: Low temperature magneto-Raman scattering of bulk FePS3 showing the magnon excitation (M) splitting when B is applied and experiencing a pronounced coupling with the P3 phonon mode.
2D semiconductors and their heterostructures
Semiconducting transition metal dichalcogenides (S-TMD) such as MoSe2, MoSe2, WSe2, WS2, MoTe2, are van der Waals semiconductors that can be thinned down to the monolayer limit. In the monolayer form, they show fascinating properties such as direct band gap, valley selective circular dichroism, a very rich exciton physics sensitive to screening effects and to doping showing charged exciton complexes. They can be stacked on top of one another to form heterobilayers hosting spatially indirect excitons and possibly affected by the moiré potential. We use high magnetic fields to explore the physics of these systems mainly based on the determination of their g-factors, diamagnetic shift representative of the spatial extent of the exciton, reduced mass etc … based on their emission spectrum. We also use high magnetic to brighten dark excitons and obtain information concerning the electronic band structure.
Figure: Low temperature magneto-photoluminescence from interlayer excitons in a MoSe2/WSe2 heterobilayer.
Topological insulators
The application of mathematical topology—originally developed for abstract spaces—to the study of electronic bands in crystalline solids has opened an entirely new research direction in condensed matter physics. This new perspective has led to a series of theoretical predictions and, importantly, experimental discoveries that revealed band-structure features and associated phenomena previously unnoticed when solids were classified solely by their electronic energy spectra. While the physical properties of topologically non-trivial materials vary, they share key characteristics—most notably, the presence of gapless electronic phases. Examples include conical bands on the surface of topological insulators and bulk Dirac or Weyl cones in the band structures of semimetals. As a result, topological materials are natural candidates for optical and magneto-optical spectroscopy studies in the THz and infrared spectral ranges. Conducting such experiments, particularly in the Landau quantization regime (Landau level spectroscopy), provides us with valuable insights into the electronic band structures of these intriguing materials. The high-magnetic-field facility at LNCMI-CNRS in Grenoble has been instrumental in studying various topological systems, including Dirac and Weyl semimetals (Cd₃As₂, TaP, TaAs, HgCdTe), nodal-line and nodal-loop systems (NbAs₂, BaNiS₂), or topological insulators (Bi₂Se₃, PbSnSe, Bi₂Te₃, MnBi2Te4, Sb₂Te₃).
Techniques
Spatially resolved magneto-optical spectroscopy
We have developped experimental set-ups for spatially resolved optical spectroscopy in the visible and NIR range of energy based on free beam optics. A microscope objective focuses excitation light on a ~1 µm spot and is used to collect reflected/scattered/emitted signals. Light is then sent using metalic mirors to a grating spectrometer equipped with a nitrogene cooled CCD. We use laser wavelength of 325 nm – 395 nm – 473 nm – 515 nm – 633 nm – Ti:Sapp laser, a supercontinuum laser, or white light excitation. Time-resolved experiments are possible either with avalanche photodiodes or with a streak camera.
Infrared magneto-optical spectroscopy
The setup for THz/infrared magneto-spectroscopy at the LNCMI in Grenoble is based on the conventional and robust Fourier-transform technique. It allows us to probe the optical response (transmission, reflectivity, Faraday rotation) of bulk and thin-layer samples in various configurations (Faraday and Voigt configurations possible), up to high magnetic field (currently 37T), in a broad range of photon energies (1-1000 meV) and temperatures (2-300 K @ B<18T). Experiments using a circularly polarized radiation can be realized in the mid-infrared range.
Extreme conditions
We generate extreme experimental conditions of
– low temperature using cryostats with liquid helium. Our set-ups operate under helium exchange gas between T = 1.2 K and 300 K.
– high magnetic fields using our superconducting magnets (14 T for visible otics, 16 T for Infrared spectrosocopy) or the resistive magnets of LNCMI delivering up to 37 T (limited to 31 T for visible spectroscopy)
– high hydrostatic pressure up to P=20 GPa using a diamond anvil cell and a long working distance microscope objective.
I. Breslavetz et al., Rev. of Scien. Instr. 92, 123909 (2021)
Publications
Latest publications (5 years)
2025
- Probing spin-electric transitions in a molecular exchange qubit
F. le Mardelé, I. Mohelsky, J. Wyzula, M. Orlita, P. Turek, F. Troiani, and A. K. Boudalis
Nature Comm. 16, 1198 (2025)
DOI: 10.1038/s41467-025-56453-1 - Probing Berry Curvature in Magnetic Topological Insulators through Resonant Infrared Magnetic Circular Dichroism
S.-K. Bac, F. Le Mardel´e, J. Wang, M. Ozerov, K. Yoshimura, I. Mohelsk´y, X. Sun, B. A. Piot, S. Wimmer, A. Ney, T. Orlova, M. Zhukovskyi, G. Bauer, G. Springholz, X. Liu, M. Orlita, K. Park, Y.-T. Hsu, and B. A. Assaf
Phys. Rev. Lett. 134, 016601 (2025)
DOI: 10.1103/PhysRevLett.134.016601 - Splitting of the absorption edge in the topological insulator Bi1.1Sb0.9Te2S: mid-infrared magneto-optical study
M. V. Yakushev, T. V. Kuznetsova, D. V. Belyaev, V. I. Grebennikov, M. Orlita, G. Martinez, K. A. Kokh, R. W. Martin, and O. E. Tereshchenko
Jour. of Phys. D: Applied Physics 58, 145101 (2025)
DOI: 10.1088/1361-6463/adb317 - Field- and temperature-driven magnetic excitations in rouaite Cu2(OH)3NO3
D. Wulferding, S. Sohel Islam, Y. Choi, G. Ban, S. Lee, A. Pawbake, C. Faugeras, K-Y Choi
Phys. Rev. B 111, 064409, (2025)
DOI: 10.1103/PhysRevB.111.064409 - Laser patterning of the room temperature van der Waals ferromagnet 1T-CrTe2
T. Riccardi, S. Sarkar, A. Purbawati, A. Arrighi, M. Kostka, A. Hadj-Azzem, J. Vogel, J. Renard, L. Marty, A. Pawbake, C. Faugeras, K. Watanabe, T. Taniguchi, A. Finco, V. Jacques, L. Ren, X. Marie, C. Robert, M. Nunez-Regueiro, N. Rougemaille, N. Bendiab, J. Coraux
Phys. Rev. Mat. , 9, 024001 (2025)
DOI: 10.1103/PhysRevMaterials.9.024001
2024
- Electronic band structure of Sb2Te3
I. Mohelsky, J. Wyzula, F. Le Mardelé, F. Abadizaman, O. Caha, A. Dubroka, X. D. Sun, C. W. Cho, B. A. Piot, M. F. Tanzim, I. Aguilera, G. Bauer, G. Springholz, and M. Orlita
Phys. Rev. B 109, 165205 (2024)
DOI: 10.1103/PhysRevB.109.165205 - Magneto-optical response of the magnetic semiconductors EuCd2X2 (X=P, As, Sb)
S. Nasrallah, D. Santos-Cottin, F. Le Mardele, I. Mohelsky, J. Wyzula, L. Aksamovi´c, P. Sacer, J. W. H. Barrett, W. Galloway, K. Rigaux, F. Guo, M. Puppin, I. Zivkovic, J.H. Dil, M. Novak, C. C. Homes, M. Orlita, N. Barisic, and A. Akrap
Phys. Rev. B 110, L201201 (2024)
DOI: 10.1103/PhysRevB.110.L201201 - Observation of quantum oscillations near the Mott-Ioffe-Regel limit in CaAs3
M. V. Yakushev, T. V. Kuznetsova, D. V. Belyaev, V. I. Grebennikov, M. Orlita, G. Martinez, K. A. Kokh, R. W. Martin, and O. E. Tereshchenko
National Science Review , nwae127 (2024)
DOI: 10.1093/nsr/nwae127 - The polarization switching in nanoscale with an anisotropic 2D magnetic semiconductor
R. Komar, A. Łopion, K. Mosina, A. Söll, Z. Sofer, W. Pacuski, C. Faugeras, P. Kossacki, T. Kazimierczuk
Solid State Comm. 115798, (2024)
DOI: 10.1016/j.ssc.2024.115798 - Impact of temperature on the brightening of neutral and charged dark excitons in WSe2 monolayer
Ł. Kipczak, N. Zawadzka, D. Jana, I. Antoniazzi, M. Grzeszczyk, M. Zinkiewicz, K. Watanabe, T. Taniguchi, M. Potemski, C. Faugeras, A. Babiński, M.R. Molas
Nanophotonics 13, 4743, (2024)
DOI: 10.1515/nanoph-2024-0385 - Tuning THz magnons in mixed antiferromagnet Fe1−xNixPS3
F. Le Mardele, I. Mohelsky, D. Jana, A. Pawbake, A. El Mendili, W.-L. Lee, K. Raju, R. Sankar, C. Faugeras, M. Potemski, M. E. Zhitomirsky, M. Orlita
Phys. Rev. B, 110, 174414, (2024)
DOI: 10.1103/PhysRevB.110.174414 - Rydberg series of intralayer K-excitons in WSe2 multilayers
P. Kapuscinski, A. O. Slobodeniuk, A. Delhomme, C. Faugeras, M. Grzeszczyk, K. Nogajewski, T. Taniguchi, K. Watanabe, M. Potemski
Phys. Rev. B 110, 155439, (2024)
DOI: 10.1103/PhysRevB.110.155439 - Magnon gap excitations in van der Waals antiferromagnet MnPSe3
D. Jana, D. Vaclavkova, I. Mohelsky, P. Kapuscinski, C. W. Cho, I. Breslavetz, M. Białek, J.-Ph. Ansermet, B. A. Piot, M. Orlita, C. Faugeras, M. Potemski
Scientific Reports 14, 17502, (2024)
DOI: 10.1038/s41598-024-67356-4 - Pressure-induced optical anisotropy of HfS2
I. Antoniazzi, T. Woźniak, A. Pawbake, N. Zawadzka, M. Grzeszczyk, Z. Muhammad, W. Zhao, J. Ibáñez, C. Faugeras, M.R. Molas, A. Babiński
J. of Appl. Phys. 136, 035901, (2024)
DOI: 10.1063/5.0205909 - Ring-exchange interaction effects on magnons in the Dirac magnet CoTiO3
Y. Li, T.T. Mai, M. Karaki, E. V. Jasper, K. F. Garrity, C. Lyon, D. Shaw, T. DeLazzer, A. J. Biacchi, R. L. Dally, D. M. Heligman, J. Gdanski, T. Adel, M. F. Muñoz, A. Giovannone, A. Pawbake, C. Faugeras, J. R. Simpson, K. Ross, N. Trivedi, Y. M. Lu, A. R. Hight Walker, and R Valdés Aguilar
Phys. Rev. B. 109, 184436, (2024)
DOI: 10.1103/PhysRevB.109.184436 - Transverse and longitudinal magnons in strongly anisotropic antiferromagnet FePSe3
F. Le Mardele, A. El Mendili, M. E. Zhitomirsky, I. Mohelsky, D. Jana, I. Plutnarova, Z. Sofer, C. Faugeras, M. Potemski, M. Orlita
Phys. Rev. B 109, 134410 (2024)
DOI: 10.1103/PhysRevB.109.134410 - Unique magnetic structure of the vdW antiferromagnet VBr3
M. Klicpera, O. Michal, D. Hovancik, K. Carva, O. R. F. Rosa, M. Orlita, V. Sechovsky, and J. Pospisil
Journal of Alloys and Compounds 1008, 176544 (2024)
DOI: 10.1016/j.jallcom.2024.176544
2023
- Magnon gap excitations and spin-entangled optical transition in van der Waals antiferromagnet NiPS3
D. Jana, P. Kapuscinski, I. Mohelsky, D. Vaclavkova, I. Breslavetz, M. Orlita, C. Faugeras, M. Potemski
Phys. Rev. B 108, 115149 (2023)
DOI: 10.1103/PhysRevB.108.115149 - In-plane magnetocrystalline anisotropy in the van der Waals antiferromagnet FePSe3 probed by magneto-Raman scattering
D. Jana, P. Kapuscinski, A. Pawbake, A. Papavasileiou, Z. Sofer, I. Breslavetz, M. Orlita, M. Potemski, C. Faugeras
Phys. Rev. B 10, 144415 (2023)
DOI: 10.1103/PhysRevB.108.144415 - Magneto-optical sensing of pressure driven magnetic ground states in bulk CrSBr
A. Pawbake, T. Pelini, I. Mohelsky, D. Jana, I. Breslavetz, C-W Cho, M. Orlita, M. Potemski, M.-A. Measson, N. Wilson, K. Mosina, A. Soll, Z. Sofer, B.A. Piot, M. E. Zhitomirsky, C. Faugeras
NanoLetters 23, 9587 (2023)
DOI: 10.1021/acs.nanolett.3c03216 - Raman scattering signatures of the strong spin-phonon coupling in the bulk magnetic van der Waals material CrSBr
A. Pawbake, T. Pelini, N.P. Wilson, K. Mosina, Z. Sofer, R. Heid, C. Faugeras
Phys. Rev. B 107, 075421, (2023)
DOI: 10.1103/PhysRevB.107.075421 - Microscopic parameters of the van der Waals CrSBr antiferromagnet from microwave absorption experiments
C. W. Cho, A. Pawbake, N. Aubergier, A. L. Barra, K. Mosina, Z. Sofer, M. E. Zhitomirsky, C. Faugeras, B. A. Piot
Phys. Rev. B 107, 094403, (2023)
DOI: 10.1103/PhysRevB.107.094403 - Simultaneous Observation of the Cyclotron Resonances of Electrons and Holes in a HgTe/CdHgTe Double Quantum Well under “Optical Gate” Effect
L. S. Bovkun, S. S. Krishtopenko, V. Y. Aleshkin, N. N. Mikhailov, S. A. Dvoretsky, F. Teppe, M. Orlita, V. I. Gavrilenko, and A. V. Ikonnikov
JETP Letters 118, 867 (2023)
DOI: 10.1134/S0021364023603536 - Temperature dependence of the energy band gap in ZrTe5: Implications for the topological phase
I. Mohelsky, J. Wyzula, B. A. Piot, G. D. Gu, Q. Li, A. Akrap, and M. Orlita
Phys. Rev. B 107, L041202, (2023)
DOI: 10.1103/PhysRevB.107.L041202 - Dielectric function of epitaxial quasi-freestanding monolayer graphene on Si-face 6H-SiC in a broad spectral range
K. K. Tikuiˇsis, A. Dubroka, K. Uhlırova, F. Speck, T. Seyller, M. Losurdo, M. Orlita, and M. Veis
,Phys. Rev. Materials 7, 044201 (2023)
DOI: 10.1103/PhysRevMaterials.7.044201 - Magnetophotoluminescence of Modulation-Doped CdTe Multiple Quantum Wells
W. Solarska, K. Karpierz, M. Zaremba, F. Le Mardele, I. Mohelsky, A. Siemaszko, M. Grymuza, L. Kipczak, N. Zawadzka, M. R. Molas, E. Imos, Z. Adamus, T. Slupinski, T. Wojtowicz, M. Orlita, A. Babinski, and J. Lusakowski
ACS Omega 8, 40801 (2023)
DOI: 10.1021/acsomega.3c05546 - Evidence for three-dimensional Dirac conical bands in TlBiSSe by optical and magneto-optical spectroscopy
F. Le Mardelé, J. Wyzula, I. Mohelsky, S. Nasrallah, M. Loh, S. Ben David, O. Toledano, D. Tolj, M. Novak, G. Eguchi, S. Paschen, N. Barisic,
J. Chen, A. Kimura, M. Orlita, Z. Rukelj, A. Akrap, and D. Santos-Cottin
Phys. Rev. B 107, L241101 (2023)
DOI: 10.1103/PhysRevB.107.L241101 - EuCd2As2: A Magnetic Semiconductor
F. Le Mardel´e, I. Kapon, S. Nasrallah, N. Bariˇsi´c, I. Zivkovi´c, J. R. Soh, F. Guo, K. Rigaux, M. Puppin, J. H. Dil, B. Gudac, Z. Rukelj, M. Novak, A. B. Kuzmenko, C. C. Homes, T. Dietl, M. Orlita, A. Akrap
Phys. Rev. Lett. 131, 186704 (2023)
DOI: 10.1103/PhysRevLett.131.186704 - Spin-defect characteristics of single sulfur vacancies in monolayer MoS2
A. Hötger, T. Amit, J. Klein, K. Barthelmi, T. Pelini, A. Delhomme, S. Rey, M. Potemski C. Faugeras, G. Cohen, D. Hernangomez-Perez, T. Taniguchi, K. Watanabe, C. Kastl, J.J. Finley, S. Refaely-Abramson, A.W. Holleitner, and A.V. Stier
npj 2D materials and Technology 7, 30, (2023)
DOI: 10.1038/s41699-023-00392-2 - Terahertz cyclotron emission from two-dimensional Dirac fermions
S. Gebert, C. Consejo, S. S. Krishtopenko, S. Ruffenach, M. Szola, J. Torres, C. Bray, B. Jouault, M. Orlita, X. Baudry, P. Ballet, S. V. Morozov, V. I. Gavrilenko, N. N. Mikhailov, S. A. Dvoretskii, F. Teppe
Nature Photonics 17, 244 (2023)
DOI: 10.1038/s41566-022-01129-1 - EuCd2As2: A Magnetic Semiconductor
F. Le Mardel´e, I. Kapon, S. Nasrallah, N. Bariˇsi´c, I. Zivkovi´c, J. R. Soh, F. Guo, K. Rigaux, M. Puppin, J. H. Dil, B. Gudac, Z. Rukelj, M. Novak, A. B. Kuzmenko, C. C. Homes, T. Dietl, M. Orlita, A. Akrap
Phys. Rev. Lett. 131, 186704 (2023)
DOI: 10.1103/PhysRevLett.131.186704 - Plasmon-plasmon interaction and the role of buffer in epitaxial Graphene microflakes
M. Shestopalov, V. Dedic, M. Rejhon, B. Morzhuk, J. Kunc, V. C. Paingad, P. Kuzel, I. Mohelsky, F. Le Mardelé, and M. Orlita
Phys. Rev. B 108, 045308 (2023)
DOI: 10.1103/PhysRevB.108.045308 - On the Single-Molecule Magnetic Behavior of Linear Iron(I) Arylsilylamides
R. Weller, M. Atanasov, S. Demeshko, T.-Y. Chen, I. Mohelsky, E. Bill, M. Orlita, F. Meyer, F. Neese, and C. G. Werncke
Inorganic Chemistry 62, 3153 (2023)
DOI: 10.1021/acs.inorgchem.2c04050 - Neutral cobalt(ii)-bis(benzimidazole)pyridine field-induced single-ion magnets for surface deposition
J. Jurakova, O. F. Fellner, S. Schlittenhardt, S. Vavreckova, I. Nemec, R. Herchel, E. Cizmar, V. T. Santana, M. Orlita, D. Gentili, G. Ruani, M. Cavallini, P. Neugebauer, M. Ruben, and I. Salitros
Inorg. Chem. Front. 10, 5406 (2023)
DOI: 10.1039/D3QI00931A - Magneto-optical response of the Weyl semimetal NbAs: Experimental results and hyperbolic-band computations
S. Polatkan, E. Uykur, J. Wyzula, M. Orlita, C. Shekhar, C. Felser, M. Dressel, and A. V. Pronin
Phys. Rev. B 108, L241201 (2023)
DOI: 10.1103/PhysRevB.108.L241201
2022
- Excitons and trions in WSSe monolayers
O. Pucko, E. Blundo, N. Zawadzka, S. Cianci, D. Vaclavkova, P. Kapuściński, D. Jana, G. Pettinari, M. Felici, K. Nogajewski, M. Bartoš, K. Watanabe, T. Taniguchi, C. Faugeras, M. Potemski, A. Babiński, A. Polimeni, M.R. Molas
2D Materials 10, 015018, (2022) or condmat
DOI: 10.1021/acs.nanolett.2c04111 - High-angular momentum excitations in collinear antiferromagnet FePS3
J. Wyszula, I. Mohelsky, D. Vaclavkova, P. Kapusckinski, M. Veis, C. Faugeras, M. Potemski, M. Zhitomirsky, M. Orlita
NanoLett. 22, 9741 (2022) or condmat
DOI: 10.1021/acs.nanolett.2c04111 - High pressure tuning of magnon-polarons in the layered antiferromagnet FePS3
Pawbake, T. Pelini, A. Delhomme, D. Romanin, D. Vaclavkova, G. Martinez, M. Calandra, M.-A. Measson, M. Veis, M. Potemski, M. Orlita, C. Faugeras
ACS Nano 16, 12656, (2022)
DOI: 10.1021/acsnano.2c04286 - Lorentz-Boost-Driven Magneto-Optics in a Dirac Nodal-Line Semimetal
J. Wyzula, X. Lu, D. Santos-Cottin, D. K. Mukherjee, I. Mohelsky, F. Le Mardele, J. Novak, M. Novak, R. Sankar, Y. Krupko, B. A. Piot, W.-L. Lee, A. Akrap, M. Potemski, M.O. Goerbig, and M. Orlita
Advanced Science 9, 2105720 (2022)
DOI: 10.1002/advs.202105720 - Optical and magnetic investigation of multiferroic and magnetocaloric properties of Nd0:8Tb0:2Mn2O5
S. Mansouri, M. Balli, S. Jandl, A. O. Suleiman, P. Fournier, M. Orlita, I. A. Zobkalo, S. N. Barilo, and M. Chaker
Phys. Rev. B 106, 085107 (2022)
DOI: 10.1103/PhysRevB.106.085107 - Exchange-split multiple Rydberg series of excitons in anisotropic quasi two-dimensional ReS2
Kapuscinski, J. Dzian, A. O. Slobodeniuk, C. Rodriguez-Fernandez, Y. S. Huang, J. Jadczak, L. Bryja, C. Faugeras, M. Potemski
2D Materials 9, 045005, (2022)
DOI: 10.1088/2053-1583/ac7880 - Trions in MoS2 are quantum superpositions of intra- and intervalley spin states
Klein, A. Hötger, M. Florian, A. Steinhoff, A. Delhomme, T. Taniguchi, K. Watanabe, F. Jahnke, A.W. Holleitner, M. Potemski, C. Faugeras, J.J. Finley, A.V. Stier
Physical Review B 105, L041302 (2022) or condmat
DOI: 10.1103/PhysRevB.105.L041302 - Addressing shape and extent of Weyl cones in TaAs by Landau level spectroscopy
D. Santos-Cottin, J. Wyzula, F. Le Mardelé, I. Crassee, E. Martino, J. Novak, G. Eguchi, Z. Rukelj, M. Novak, M. Orlita, and A. Akrap
Phys. Rev. B 105, L081114 (2022)
DOI: 10.1103/PhysRevB.105.L081114 - Interaction between interface and massive states in multivalley topological heterostructures
G. Krizman, B. A. Assaf, M. Orlita, G. Bauer, G. Springholz, R. Ferreira, L. A. de Vaulchier, and Y. Guldner
Phys. Rev. Research 4, 013179 (2022)
DOI: 10.1103/PhysRevResearch.4.013179 - Structural, optical and electronic properties of the wide bandgap topological insulator Bi1.1Sb0.9Te2S
Y. E. Khatchenko, M. Yakushev, C. Seibel, H. Bentmann, M. Orlita, V. Golyashov, Y. Ponosov, N. Stepina, A. Mudriy, K. Kokh, O. Tereshchenko,
F. Reinert, R. Martin, and T. Kuznetsova
Jour. f Alloys and ompounds 890, 161824, (2022)
DOI: 10.1016/j.jallcom.2021.161824 - Pentacoordinate cobalt(ii) single ion magnets with pendant alkyl chains: shall we go for chloride or bromide?
J. Jurakova, J. Dubnicka Midlikova, J. Hruby, A. Kliuikov, V. T. Santana, J. Pavlik, J. Moncol, E. Cizmar, M. Orlita, I. Mohelsky, P. Neugebauer, D. Gentili, M. Cavallini, and I. Salitros
Inor. Chem. Frontiers 9, 1179 (2022)
DOI: 10.1039/D1QI01350E
2021
- Valley pseudospin relaxation of charged excitons in monolayer MoTe2
Smoleński, T. Kazimierczuk, M. Goryca, K. Nogajewski, M. Potemski, P. Kossacki
J. Phys.: Condens. Matter 33, 025701, (2021)
DOI :10.1088/1361-648X/abb1cb - Destructive photon echo formation in six-wave mixing signals of a MoSe2 monolayer
T. Hahn, D. Vaclavkova, M. Bartos, K. Nogajewski, M. Potemski, K. Watanabe, T. Taniguchi, P. Machnikowski, T. Kuhn, J. Kasprzak, D. Wigger
Adv. Science 9, 2103813, (2022)
DOI : 10.1002/advs.202103813 - The optical response of artificially twisted MoS2 bilayers
Grzeszczyk, J. Szpakowski, A. O. Slobodeniuk, T. Kazimierczuk, M. Bhatnagar, T. Taniguchi, K. Watanabe, P. Kossacki, M. Potemski, A. Babiński, M. R. Molas
Scientific Reports 11, 17037 (2021) or condmat
DOI : 10.1038/s41598-021-95700-5 - Magnon-polarons in van der Waals antiferromagnet FePS3
Vaclavkova, M. Palit, J. Wyzula, S. Ghosh, A. Delhomme, S. Maity, P. Kapuscinski, A. Ghosh, M. Veis, M. Grzeszczyk, C. Faugeras, M. Orlita, S. Datta, M. Potemski
Phys. Rev. B, (in press) (2021) or condmat
DOI: 10.1103/PhysRevResearch.3.L022009 - Local field effects in ultrafast light-matter interaction measured by pump-probe spectroscopy of monolayer MoSe2
Rodek, T. Hahn, J. Kasprzak, T. Kazimierczuk, K. Nogajewski, K. Połczyńska, K. Watanabe, T. Taniguchi, T. Kuhn, P. Machnikowski, M. Potemski, D. Wigger, P. Kossacki
Nanophotonics 10, 2717-2728 (2021) or condmat
DOI : 10.1515/nanoph-2021-0194 - Rydberg series of dark excitons and the conduction-band spin-orbit splitting in monolayer WSe2
Kapuściński, A. Delhomme, D. Vaclavkova, A. O. Slobodeniuk, M. Grzeszczyk, M. Bartos, K. Watanabe, T. Taniguchi, C. Faugeras, M. Potemski
Communications Physics 4, 186, (2021) or condmat - Polaronic interaction in a single modulation-doped GaAs quantum well with the Feynman-Hellwarth-Iddings-Platzman approximation
Martinez, J. Wyzula, I. Mohelsky, C. Faugeras, M. Orlita, M. Potemski, A. Riedel, R. Hey, and K. J. Friedland
Phys. Rev. B 104, 045312, (2021) or condmat
DOI : 10.1103/PhysRevB.104.045312 - Manganese doping for enhanced magnetic brightening and circular polarization control of dark excitons in paramagnetic layered hybrid metal-halide perovskites
Neumann, S. Feldmann, P. Moser, A. Delhomme, J. Zerhoch, T. van de Goor, S. Wang, M. Dyksik T. Winkler, J.J. Finley, P. Plochocka, M.S. Brandt, C. Faugeras, A.V. Stier, F. Deschler
Nat. Communications 12, 3489, (2021)
DOI: 10.1038/s41467-021-23602-1 - Evidence for Fermi surface nesting driven charge density waves instabilities in a three-dimensional material: LaAgSb2
Bosak, S-M. Souliou, C. Faugeras, R. Heid, M.R. Molas, M. Potemski, N.L. Wang, M. Le Tacon
Phys. Rev. Research 3, 033020, (2021) or condmat
DOI : 10.1103/PhysRevResearch.3.033020 - Controlling exciton manty-body states by the electric-field effect in monolayer MoS2
Klein, A. Hötger, M. Florian, A. Steinhoff, A. Delhomme, T. Taniguchi, K. Watanabe, F. Jahnke, A.W. Holleitner, M. Potemski, C. Faugeras, J.J. Finley, A.V. Stier
Phys. Rev. Research 3, L022009 (2021) or condmat
DOI : 10.1103/PhysRevResearch.3.L022009 - Landau level spectroscopy of PbSnSe topological crystalline insulator
K. Tikuišis, J. Wyzula, L. Ohnoutek, P. Cejpek, K. Uhlířová, M. Hakl, C. Faugeras, K. Výborný, A. Ishida, M. Veis, M. Orlita
Phys. Rev. B 103, 155304, (2021) or condmat
DOI : 10.1103/PhysRevB.103.155304 - Excitonic complexes in n-doped WS2 monolayer encapsulated in hexagonal boron nitride
Zinkiewicz, T. Woźniak, T. Kazimierczuk, P. Kapuściński, K. Oreszczuk,y M. Grzeszczyk, M. Bartos, K. Nogajewski, K. Watanabe, T. Taniguchi, C. Faugeras, P. Kossacki, M. Potemski, A. Babiński, M. R. Molas
NanoLetters 21, 2519, (2021) or condmat
DOI: 10.1021/acs.nanolett.0c05021 - Ultrafast Plasmon Thermalization in Epitaxial Graphene Probed by TimeResolved THz Spectroscopy
V. C. Paingad, J. Kunc, M. Rejhon, I. Rychetsky, I. Mohelsky, M. Orlita, and P. Kuzel
Advanced Functional Materials 31, 2105763 (2021)
DOI: 10.1002/adfm.202105763 - Spatially resolved optical spectroscopy in extreme environment of low temperature, high magnetic fields and high pressure
I. Breslavetz, A. Delhomme, T. Pelini, A. Pawbake, D. Vaclavkova, M. Orlita, M. Potemski, M.-A. Measson, C. Faugeras
Rev. of Scien. Instr. 92, 123909 (2021)
DOI: 10.1063/5.0070934 - Optical Studies and Transmission Electron Microscopy of HgCdTe Quantum Well Heterostructures for Very Long Wavelength Lasers
V.V. Rumyantsev, A.A. Razova, L.S. Bovkun, D.A. Tatarskiy, V.Y. Mikhailovskii, M.S. Zholudev, A.V. Ikonnikov, T.A. Uaman Svetikova, K.V. Maremyanin, V.V. Utochkin, M.A. Fadeev, V.G. Remesnik, V.Y. Aleshkin, N.N. Mikhailov, S. A. Dvoretsky, M. Potemski, M. Orlita, V.I. Gavrilenko, S.V. MorozovNanomaterials 11, 1855 (2021)
DOI: 10.3390/nano11071855
2020
- The g-factor of CuGaSe2 studied by circularly polarised magneto-reflectance
V. Yakushev, M. A. Sulimov, C. Faugeras, A. V. Mudryi, and R. W. Martin
Journal of Physics D: Applied Physics 53, 17LT02 (2020)
DOI: 10.1088/1361-6463/ab6f1a - A Magneto-Reflectivity Study of CuInTe2 Single Crystals
M.V. Yakushev, C. Faugeras, A.V. Mudryi, R.W. Martin
Phys. Status Solidi B 257, 1900464 (2020)
DOI: 10.1002/pssb.201900464 - Magnetoelastic interaction in the two-dimensional magnetic material MnPS3 studied by first principles calculations and Raman experiments
Vaclavkova, A. Delhomme, C. Faugeras, M. Potemski, A. Bogucki, J. Suffczynski, P. Kossacki, A.R. Wildes, B. Gémaud, A Saul
2D Materials 7, 035030 (2020) or condmat
DOI: 10.1088/2053-1583/ab93e3 - Valley polarization of singlet and triplet trions in a WS2 monolayer in magnetic fields
Kapuscinski, D. Vaclavkova, M. Grzeszczyk, A.O. Slobodeniuk, K. Nogajewski, M. Bartos, K. Watanabe, T. Taniguchi, C. Faugeras, A. Babinski, M. Potemski, M.R. Molas
Phys. Chem. Chem. Phys. 22, 19155, (2020) or condmat
DOI: 10.1039/D0CP02737E - Many-body effects in suspended graphene probed through magneto-phonon resonances
Berciaud, M. Potemski, C. Faugeras
Phys. Status Solidi RRL. 14, 2000345, (2020) or condmat
DOI: 10.1002/pssr.202000345 - Neutral and charged dark excitons in monolayer WS2
Zinkiewicz, A. O. Slobodeniuk, T. Kazimierczuk, P. Kapuściński, K. Oreszczuk, M. Grzeszczyk, M. Bartos, K. Nogajewski, K. Watanabe, T. Taniguchi, C. Faugeras, P. Kossacki, M. Potemski, A. Babiński, M. R. Molas
Nanoscale 12, 18153-18159, (2020) or condmat - Valley pseudospin relaxation of charged excitons in monolayer MoTe2
Tomasz Smoleński, Tomasz Kazimierczuk, Mateusz Goryca, Karol Nogajewski, Marek Potemski, Piotr Kossacki
Phys.: Condens. Matter 33 025701 (2020) or condmat - Landau level spectroscopy of Bi2Te3
Mohelsky, A. Dubroka, J. Wyzula, A. Slobodeniuk, G. Martinez, Y. Krupko, B. A. Piot, O. Caha, J. Humlicek, G. Bauer, G. Springholz, M. Orlita
Phys. Rev. B 102, 085201 (2020) or condmat
DOI : 10.1103/PhysRevB.102.085201 - Flipping exciton angular momentum with chiral phonons in MoSe2/WSe2heterobilayers
Delhomme, D. Vaclavkova, A. Slobodeniuk, M. Orlita, M. Potemski, D. M. Basko, K. Watanabe, T. Taniguchi, D. Mauro, C. Barreteau, E. Giannini, A. F. Morpurgo, N. Ubrig, C. Faugeras
2D Materials 7, 041002 (2020) or condmat
DOI : 10.1088/2053-1583/aba567 - Measurement of the Spin-Forbidden Dark Excitons in MoS2 and MoSe2 monolayers
Robert, B. Han, P. Kapuscinski, A. Delhomme, C. Faugeras, T. Amand, M. R. Molas, M. Bartos, K. Watanabe, T. Taniguchi, B. Urbaszek, M. Potemski, X. Marie
Nature Commun. 11, 4037 (2020) or condmat
DOI : 10.1038/s41467-020-17608-4 - Narrow excitonic lines and large scale homogeneity of transition metal dichalcogenide grown by MBE on hBN
Pacuski, M. Grzeszczyk, K. Nogajewski, A. Bogucki, K. Oreszczuk, J. Kucharek, K.E. Połczynska, B. Seredynski, R. Bozek, T. Taniguchi, K. Watanabe, J. Sadowski, T. Kazimierczuk, M. Potemski, and P. Kossacki
Nano Lett. 20, 3058 (2020).
DOI : 10.1021/acs.nanolett.9b04998 - Coherent dynamics and mapping of excitons in single-layer MoSe2 and WSe2 at the homogeneous limit
Caroline Boule, Diana Vaclavkova, Miroslav Bartos,2, Karol Nogajewski, Lukas Zdrazil, Takashi Taniguchi, Kenji Watanabe, Marek Potemski, and Jacek Kasprzak
Phys. Rev. Materials 4, 034001 (2020) or condmat
DOI : 10.1103/PhysRevMaterials.4.034001 - Mid-gap radiative centres in carbon enriched hexagonal boron nitride
Koperski, D. Vaclavkova, K. Watanabe, T. Taniguchi, K.S. Novoselov, M. Potemski
Proceedings National Academy of Sciences, PNAS 117, 13214 (2020)
DOI : 10.1073/pnas.2003895117 - Ultra-long-working-distance spectroscopy of single nanostructures with aspherical solid immersion micro-lenses
Bogucki, Ł. Zinkiewicz, M. Grzeszczyk, W. Pacuski, K. Nogajewski, T. Kazimierczuk, A. Rodek, J. Suffczyński, K. Watanabe, T. Taniguchi, P. Wasylczyk, M. Potemski, and P. Kossacki
Light: Science & Applications 9, 48 (2020).
DOI : 10.1038/s41377-020-0284-1 - Dark trions govern the temperature-dependent optical absorption and emission of doped atomically thin semiconductors
Ashish Arora, Nils Kolja Wessling, Thorsten Deilmann, Till Reichenauer, Paul Steeger, Piotr Kossacki, Marek Potemski, Steffen Michaelis de Vasconcellos, Michael Rohlfing, Rudolf Bratschitsch
Rev. B 101, 241413(R) (2020) or condmat
DOI: 10.1103/PhysRevB.101.241413 - Magnetoelastic interaction in the two-dimensional magnetic material MnPS3 studied by first principles calculations and Raman experiments
Vaclavkova, A. Delhomme, C. Faugeras, M. Potemski, A. Bogucki, J. Suffczyński, P. Kossacki, A. Wildes, B. Gremaud, A. Saúl
2D Materials 7 035030 (2020) or condmat
DOI: 10.1088/2053-1583/ab93e3 - Temperature dependence of photoluminescence lifetime of atomically thin WSe2 layer
Łopion, M. Goryca, T. Smoleński, K. Oreszczuk, K. Nogajewski, M. R. Molas, M. Potemski, P. Kossacki
Nanotechnology31, 135002, (2020) or condmat
DOI: 10.1088/1361-6528/ab60ca - The effect of metallic substrates on the optical properties of monolayer MoSe2
Grzeszczyk, M. R. Molas, K. Nogajewski, M. Bartoš, A. Bogucki, C. Faugeras, P. Kossacki, A. Babiński, M. Potemski
Scientific Reports 10, 4981 (2020) or condmat
DOI: 10.1038/s41598-020-61673-0 - Breathing modes in few-layer MoTe2 activated by h-BN encapsulation
Grzeszczyk, M. R. Molas, B. Bartoš, K. Nogajewski, M. Potemski, A. Babiński
Appl. Phys. Lett. 116, 191601 (2020) or condmat
DOI: 10.1063/1.5128048 - Infrared spectroscopy study of the in-plane response of YBa2Cu3O6 in magnetic fields up to 30 Tesla
Lyzwa, B. Xu, P. Marsik, E. Sheveleva, I. Crassee, M. Orlita, C. BernhardPhys. Rev. Research 2, 023218 (2020) or condmat
DOI : 10.1103/PhysRevResearch.2.023218 - Magnon bound states vs. anyonic Majorana excitations in the Kitaev honeycomb magnet α-RuCl3
Dirk Wulferding, Youngsu Choi, Seung-Hwan Do, Chan Hyeon Lee, Peter Lemmens, Clement Faugeras, Yann Gallais, Kwang-Yong Choi
Nature Comm. 11, 1603 (2020) or condmat
DOI: 1088/2053-1583/ab93e3 - Exciton-polaritons in multilayer WSe2 in a planar microcavity
Król, K. Rechcińska, K. Nogajewski, M. Grzeszczyk, K. Łempicka, R. Mirek, S. Piotrowska, K. Watanabe, T. Taniguchi, M. R. Molas, M. Potemski, J. Szczytko, B. Piętka
2D Materials7, 015006, (2020) or condmat
DOI: 10.1088/2053-1583/ab4b14 - Magneto-optics of a Weyl semimetal beyond the conical band approximation: the case study of TaP
S. Polatkan, M. O. Goerbig, J. Wyzula, R. Kemmler, L. Z. Maulana,
B. A. Piot, I. Crassee, A. Akrap, C. Shekhar, C. Felser, M. Dressel, A. V. Pronin, M. Orlita
Phys. Rev. Lett. 124, 176402 (2020) or condmat
DOI: 10.1103/PhysRevLett.124.176402 - Probing intraband excitations in ZrTe5: a high pressure infrared and transport study
Santos-Cottin, M. Padlewski, E. Martino, S. Ben David, F. Le Mardele, M. Bachmann, C. Putzke, P. J. W. Moll, R. D. Zhong, G. D. Gu, H. Berger, M. Orlita, C. C. Homes, Z. Rukelj, Ana Akrap
Phys. Rev. B 101, 125205 (2020) or condmatDOI: 10.1103/PhysRevB.101.125205
Publications LNCMI de la thématique sur HAL