Direct Measurement of a sin(2φ) Current Phase Relation in a Graphene Superconducting Quantum Interference Device
Simon Messelot, Nicolas Aparicio, Elie de Seze, Eric Eyraud, Johann Coraux, Kenji Watanabe, Takashi Taniguchi, and Julien Renard Phys. Rev. Lett. 133 , 106001 (2024). Online version. Arxiv version.
Featured with a Synopsis in the APS Physics Magazine.
Controlled Coherent Coupling in a Quantum Dot Molecule Revealed by Ultrafast Four-Wave Mixing Spectroscopy
Daniel Wigger, Johannes Schall, Marielle Deconinck, Nikolai Bart, Paweł Mrowiński, Mateusz Krzykowski, Krzysztof Gawarecki, Martin von Helversen, Ronny Schmidt, Lucas Bremer, Frederik Bopp, Dirk Reuter, Andreas D. Wieck, Sven Rodt, Julien Renard, Gilles Nogues, Arne Ludwig, Paweł Machnikowski, Jonathan J. Finley, Stephan Reitzenstein, Jacek Kasprzak ACS Photonics 10 , 1504 (2023). Online version. Arxiv version.
Stability of the In-Plane Room Temperature van der Waals Ferromagnet Chromium Ditelluride and Its Conversion to Chromium-Interleaved CrTe2 Compounds
Anike Purbawati, Suman Sarkar, Sébastien Pairis, Marek Kostka, Abdellali Hadj-Azzem, Didier Dufeu, Priyank Singh, Daniel Bourgault, Manuel Nuñez-Regueiro, Jan Vogel, Julien Renard, Laëtitia Marty, Florentin Fabre, Aurore Finco, Vincent Jacques, Lei Ren, Vivekanand Tiwari, Cedric Robert, Xavier Marie, Nedjma Bendiab, Nicolas Rougemaille, Johann Coraux ACS Applied Electronic Materials 5, 764 (2023). Online version. Arxiv version.
A gate-tunable graphene Josephson parametric amplifier
Guilliam Butseraen, Arpit Ranadive, Nicolas Aparicio, Kazi Rafsanjani Amin, Abhishek Juyal, Martina Esposito, Kenji Watanabe, Takashi Taniguchi, Nicolas Roch, François Lefloch, Julien Renard Nature Nanotechnology 17 , 1153 (2022). Online version.
News and Views by K.C. Fong.Loss mechanisms in TiN high impedance superconducting microwave circuits
Kazi Rafsanjani Amin, Carine Ladner, Guillaume Jourdan, Sébastien Hentz, Nicolas Roch, Julien Renard Appl. Phys. Lett. 120, 164001 (2022). Online version.
Exciton-Exciton Interaction beyond the Hydrogenic Picture in a MoSe2 Monolayer in the Strong Light-Matter Coupling Regime
Petr Stepanov, Amit Vashisht, Martin Klaas, Nils Lundt, Sefaattin Tongay, Mark Blei, Sven Höfling, Thomas Volz, Anna Minguzzi, Julien Renard, Christian Schneider, and Maxime Richard Phys. Rev. Lett. 126, 167401 (2021). Online version.
In-Plane Magnetic Domains and Néel-like Domain Walls in Thin Flakes of the Room Temperature CrTe2 Van der Waals Ferromagnet
A. Purbawati, J. Coraux, J. Vogel, A. Hadj-Azzem, N. Wu, N. Bendiab, D. Jegouso, J. Renard, L. Marty, V. Bouchiat, A. Sulpice, L. Aballe, M. Foerster, F. Genuzio, A. Locatelli, T. Onur Menteş, Z. Han, X. Sun, M. Núñez-Regueiro, and N. Rougemaille ACS Appl. Mater. Interfaces 12, 27 (2020). Online version.
Anharmonicity in Raman-active phonon modes in atomically thin MoS2
S. Sarkar, I. Maity, H. L. Pradeepa, G. Nayak, L. Marty, J. Renard, J. Coraux, N. Bendiab, V. Bouchiat, S. Das, K. Majumdar, M. Jain, and A. Bid Phys. Rev. B 101, 205302 (2020). Online version.
Cathodoluminescence enhancement and quenching in type-I van der Waals heterostructures: Cleanliness of the interfaces and defect creation
G. Nayak, S. Lisi, W. L. Liu, T. Jakubczyk, P. Stepanov, F. Donatini, K. Watanabe, T. Taniguchi, A. Bid, J. Kasprzak, M. Richard, V. Bouchiat, J. Coraux, L. Marty, N. Bendiab, and J. Renard Phys. Rev. Materials 3, 114001 (2019). Online version.
Evolution of inter-layer coupling in artificially stacked bilayer MoS2
S. Sarkar, H. L. Pradeepa, G. Nayak, L. Marty, J. Renard, J. Coraux, N. Bendiab, V. Bouchiat, J. K. Basu, A. Bid Nanoscale Advances 1, 4398 (2019). Online version.
Highly flexible superconducting films with metal-decorated composite 2D materials
P. Ronseaux, R. Othmen, D. Kalita, Z. Han, L. Marty, N. Bendiab, J. Renard, V. Bouchiat J. Appl. Phys. 126, 165301 (2019). Online version.
Magneto-spectroscopy of exciton Rydberg states in a CVD grown WSe2 monolayer
A. Delhomme, G. Butseraen, B. Zheng, L. Marty, V. Bouchiat, M.R. Molas, A. Pan, K. Watanabe, T. Taniguchi, A. Ouerghi, J. Renard, C. Faugeras Appl. Phys. Lett. 114, 232104 (2019). Online version.
Coherence and Density Dynamics of Excitons in a Single-Layer MoS2 Reaching the Homogeneous Limit
T. Jakubczyk, G. Nayak, L. Scarpelli, W.-L. Liu, S. Dubey, N. Bendiab, L. Marty, T. Taniguchi, K. Watanabe, F. Masia, G. Nogues, J. Coraux, W. Langbein, J. Renard, V. Bouchiat, and J. Kasprzak ACS Nano 13, 3500 (2019). Online version.
Unravelling external perturbation effects on the optical phonon response of graphene
N. Bendiab, J.Renard, C. Schwarz, A. Reserbat-Plantey, L. Djevahirdjian, V. Bouchiat, J. Coraux, L. Marty J. Raman Spectrosc 49, 130 (2018). Online version.
Weakly Trapped, Charged, and Free Excitons in Single-Layer MoS2 in the Presence of Defects, Strain, and Charged Impurities
S. Dubey, S. Lisi, G. Nayak, F. Herziger, V.-D. Nguyen, T. Le Quang, V. Cherkez, C. González, Y. J. Dappe, K. Watanabe, T. Taniguchi, L. Magaud, P. Mallet, J.-Y. Veuillen, R. Arenal, L. Marty, J. Renard, N. Bendiab, J. Coraux , and V. Bouchiat ACS Nano 11, 11206 (2017). Online version.
Electrical Control of g-Factor in a Few-Hole Silicon Nanowire MOSFET
B. Voisin, R. Maurand, S. Barraud, M. Vinet, X. Jehl, M. Sanquer, J. Renard, and S. de Franceschi NanoLetters 16, 88 (2016). Online version.
Few-electron edge-state quantum dots in a silicon nanowire field-effect transistor
B. Voisin, V.-H. Nguyen, J. Renard, X. Jehl, S. Barraud, F. Triozon, M. Vinet, I. Duchemin, Y.-M. Niquet, S. de Franceschi, and M. Sanquer NanoLetters 14, 2094 (2014). Online version.
Origins of Nonlocality Near the Neutrality Point in Graphene
J. Renard, M. Studer and J.A. Folk Phys. Rev. Lett. 112, 116601 (2014) . Online version.
Nongalvanic primary thermometry of a two-dimensional electron gas
P. Torresani, M. J. Martínez-Pérez, S. Gasparinetti, J. Renard, G. Biasiol, L. Sorba, F. Giazotto, and S. De Franceschi Phys. Rev. B. 88, 285304 (2013). Online version.
Defect-mediated spin relaxation and dephasing in graphene
M.B. Lundeberg, Rui Yang, J. Renard and J.A Folk Phys. Rev. Lett. 110, 156601 (2013) . Online version. Editor suggestion, selected for a synopsis.
Fine optical spectroscopy of the 3.45 eV emission line in GaN nanowires
D. Sam-Giao, R. Mata, G. Tourbot, J. Renard, A. Wysmolek, B. Daudin and B. Gayral J. Appl. Phys. 113, 043102 (2013) . Online version.
Conductance fluctuations in quasi-two-dimensional systems: a practical view
M.B. Lundeberg, J. Renard and J.A Folk Phys. Rev. B. 86, 205413 (2012). Online version.
Real-Time Imaging of K atoms on graphite: interaction and diffusion
Temperature insensitive optical alignment of the exciton in nanowire embedded GaN/AlN Quantum Dots
A. Balocchi, J. Renard, C. T. Nguyen, G. Tourbot, B. Daudin, H. Mariette, B. Gayral, T. Amand Phys. Rev. B. 84, 235310 (2011) . Online version.
Optical spectroscopy of cubic GaN in nanowires
J. Renard, G. Tourbot, D. Sam-Giao, C. Bougerol, B. Daudin, and B. Gayral Appl. Phys. Lett. 97, 081910 (2010). Online version.
Reversed polarized emission in highly strained a-plane GaN/AlN multiple quantum wells
R. Mata, A. Cros, J. A. Budagosky, A. Molina-Sánchez, N. Garro, A. García-Cristóbal, J. Renard, S. Founta, B. Gayral, E. Bellet-Amalric, C. Bougerol, and B. DaudinPhys. Rev. B. 82, 125405 (2010) . Online version.
Evidence for quantum-confined Stark effect in GaN/AlN quantum dots in nanowires
J. Renard, R. Songmuang, G. Tourbot, C. Bougerol, B. Daudin, and B. Gayral Phys. Rev. B. 80, 121305(R) (2009). Online version.
Suppression of nonradiative processes in long-lived polar GaN/AlN quantum dots
J. Renard, P. K. Kandaswamy, E. Monroy, and B. Gayral Appl. Phys. Lett. 95, 131903 (2009) . Online version.
Quantum dot to quantum wire transition of m-plane GaN islands
B. Amstatt, J. Renard, C. Bougerol, E. Bellet-Amalric, B. Gayral, and B. Daudin, Phys. Rev. B. 79, 035313 (2009). Online version.
Optical properties of m-plane GaN quantum dots and quantum wires
J. Renard, B. Amstatt, C. Bougerol, E. Bellet-Amalric, B. Daudin, and B. Gayral J. Appl. Phys. 104, 103528 (2008). Online version.
Plasma-assisted molecular beam epitaxy growth of GaN nanowires using indium-enhanced diffusion
O. Landre, R. Songmuang, J. Renard, E. Bellet-Amalric, H. Renevier, and B. Daudin Appl. Phys. Lett. 93, 183109 (2008) . Online version.
Interband and intersubband optical characterization of semipolar (1122)-oriented GaN/AlN multiple-quantum-well structures
L. Lahourcade, P. K. Kandaswamy, J. Renard, P. Ruterana, H. Machhadani, M. Tchernycheva, F. H. Julien, B. Gayral and E. Monroy Appl. Phys. Lett. 93, 111906 (2008) . Online version.
Exciton and Biexciton Luminescence from Single GaN/AlN Quantum Dots in Nanowires
J. Renard, R. Songmuang, C. Bougerol, B. Daudin and B. Gayral NanoLetters 8, 2092 (2008). Online version.
Spatial fluctuations of optical emission from single ZnO/MgZnO nanowire quantum wells
C. Czekalla, J. Guinard, C. Hanisch, B. Q. Cao, E. M. Kaidashev, N. Boukos A. Travlos, J. Renard, B.Gayral, D. Le Si Dang, M. Lorenz and M. Grundmann Nanotechnology 19, 115202 (2008). Online version.
Ga kinetics in plasma-assisted molecular-beam epitaxy of GaN(1122): Effect on the structural and optical properties
L. Lahourcade, J. Renard, B. Gayral, E. Monroy, M. P. Chauvat and P. Ruterana J. Appl. Phys. 103, 093514 (2008). Online version.
Growth of m-plane GaN quantum wires and quantum dots on m-plane 6H-SiC
B. Amstatt, J. Renard, C. Bougerol, E. Bellet-Amalric, B. Gayral and B. Daudin J. Appl. Phys. 102, 074913 (2007). Online version.
Growth of GaN freestanding nanowires by plasma-assisted molecular beam epitaxy: structural and optical characterization
M. Tchernycheva, C. Sartel, G. Cirlin, L. Travers, G. Patriarche, J.-C. Harmand, Le Si Dang, J. Renard, B. Gayral, L. Nevou and F. Julien Nanotechnology 18, 385306 (2007). Online version.
Tailoring of optical mode profiles of high-power diode lasers evidenced by near-field photocurrent spectroscopy
A. Kozlowska, M. Szymanski, E. Pruszynska-Karbownik, M. Bugajski, R. Pomraenke, C. Lienau, J. Renard, and A. Malag Appl. Phys. Lett. 91 , 101103 (2007) . Online version.
Structural Phase Contrast in Polycrystalline Organic Semiconductor Films Observed by Broadband Near-Field Optical Spectroscopy
R. Pomraenke, C. Ropers, J. Renard, C. Lienau, L. Lüer, D. Polli, and G.Cerullo NanoLetters 7, 998 (2007). Online version.