Université Paris-Saclay

Spin-wave phase modulation using magnetic domain walls in dipolarly coupled structures for non-volatile magnonic computation

Hanadi Mortada, Philipp Pirro, Alexandre Abbass Hamadeh

A controllable phase shifter is a key component for spin-wave-based logic and information processing devices. Here, we propose a domain-wall-position-controlled spin-wave phase shi…

Rashba engineering at van der Waals interfaces

Rahul Sharma, Soumya Mukherjee, Fatima Ibrahim +26

Two-dimensional transition metal dichalcogenide (TMD) interfaces offer a versatile platform for studying emergent quantum phenomena and enabling novel device functionalities. When…

Heating Dynamics of Mesoscopic Electron Baths at High Magnetic Field

F. Zanichelli, A. Veillon, C. Piquard +8

Quantum thermodynamics addresses the dynamics of heat flow in quantum devices driven out of equilibrium. Although mesoscopic circuits at low temperatures provide a flexible platfor…

cond-mat.mes-hall2026★ 1 cited

Percolative Instabilities and Sparse-Limit Fractality in 1T-TaS $_{2}$

Poulomi Maji, Md Aquib Molla, Koushik Dey +13

The low-temperature metallic phase of 1T-TaS2 may originate from current- and voltage-driven destabilization of the commensurate charge density wave (CDW) in a strongly correlated…

Spin Hall and Edelstein effects in a ballistic quantum dot with Rashba spin-orbit coupling

Alfonso Maiellaro, Francesco Romeo, Mattia Trama +11

We study spin-resolved transport in a ballistic quantum dot with Rashba spin-orbit coupling, focusing on charge-to-spin conversion and spin Hall effect. In the regime where the dot…

Quantum geometric scattering of a Dirac particle by a Berry curvature domain wall

Lassaad Mandhour, Frédéric Piéchon

We investigate the scattering of a three-dimensional massless Dirac particle through a domain wall separating two regions with identical energy spectra but distinct Berry curvature…

Quantized heat flow in the Hofstadter butterfly

Aifei Zhang, Gibril Aissani, Quan Dong +11

When subjected to a strong magnetic field, electrons on a two-dimensional lattice acquire a fractal energy spectrum called Hofstadter's butterfly. In addition to its unique recursi…

Sub-diffraction-resolved spatial distribution of emitting excitons in STM-induced luminescence of 2D semiconductors via Richardson-Lucy deconvolution

Elysé Laurent, Ricardo Javier Peña Román, Sarah Miller +7

Using scanning tunneling microscopy-induced luminescence (STML), the optical properties of two-dimensional (2D) semiconductors may be investigated at the nanoscale. This is possibl…

Predicting the future with magnons

Zeling Xiong, Christopher Heins, Thibaut Devolder +5

Forecasting complex, chaotic signals is a central challenge across science and technology, with implications ranging from secure communications to climate modeling. Here we demonst…

Fast and Continuous Detection of Single Microwave Photons via Photo-assisted Quasiparticle Tunneling to a Superconducting Island

Julien Basset, Ognjen Stanisavljević, Julien Gabelli +2

We demonstrate a single-photon detector operating in the microwave domain, based on photo-assisted quasiparticle tunneling events that poison a superconducting island. The detectio…

Spontaneous Breaking of the SU(3) Flavor Symmetry in a Quantum Hall Valley Nematic

G. Krizman, A. Kazakov, C. -W. Cho +10

Two-dimensional quantum materials can host original electronic phases that arise from the interplay of electronic correlations, symmetry and topology. In particular, the spontaneou…

Robust quantum Hall resistance standard from uniform wafer-scale epitaxial graphene on SiC

François Couëdo, Chiara Mastropasqua, Aurélien Theret +3

We report high-precision resistance measurements on quantum Hall resistance devices fabricated from uniform epitaxial graphene grown by propane-hydrogen chemical vapor deposition o…

Straightforward Method to Orient Black Phosphorus from Bulk to Thin Layers using a Standard Green Laser

Etienne Carré, Frédéric Fossard, Jean-Sébastien Mérot +11

The crystallographic orientation of anisotropic 2D materials plays a crucial role in their physical properties and device performance. However, standard orientation techniques such…

Chern junctions in Moiré-Patterned Graphene/PbI2

Sun Yan, M. Monteverde, V. Derkach +5

Expanding the moire material library continues to unlock novel quantum phases and emergent electronic behaviors. Here, we introduce PbI2 into the moire family and investigate the m…

cond-mat.mes-hall2025★ 14 cited

Near-field focusing and amplification of tip-substrate radiative heat transfer

Milo Vescovo, Philippe Ben-Abdallah, Riccardo Messina

The spatially resolved near-field radiative heat transfer between a nanoscale probe and a substrate is studied in the fluctuational electrodynamics framework within the dipolar app…

Quantum Kinetic Anatomy of Electron Angular Momenta Edge Accumulation

T. Valet, H. Jaffres, V. Cros +1

Controlling electron's spin and orbital degrees of freedom has been a major research focus over the past two decades, as it underpins the electrical manipulation of magnetization.…

cond-mat.mes-hall2025★ 2 cited

Terahertz time-domain signatures of the inverse Edelstein effect in topological-insulator|ferromagnet heterostructures

Genaro Bierhance, Chihun In, Enzo Rongione +14

Three-dimensional topological insulators possess topologically protected surface states with spin-momentum locking, which enable spin-charge-current interconversion (SCI) by the in…

cond-mat.mes-hall2025★ 4 cited

Optical absorption in hexagonal-diamond Si and Ge nanowires: insights from STEM-EELS experiments and ab initio theory

Luiz H. G. Tizei, Michele Re Fiorentin, Thomas Dursap +6

Hexagonal-diamond (2H) group IV nanowires are key for advancing group IV-based lasers, quantum electronics, and photonics. Understanding their dielectric response is crucial for pe…

cond-mat.mes-hall2025★ 2 cited

Correlated Structural and Optical Characterization during Van der Waals Epitaxy of PbI2 on Graphene

C. P. Sonny Tsotezem, E. M. Staicu Casagrande, A. Momeni +11

Van der Waals heterostructures of 2D layered materials have gained much attention due to their flexible electronic properties, which make them promising candidates for energy, sens…

Twist-Angle-Controlled Anomalous Gating in Bilayer Graphene/BN Heterostructures

G. Maffione, L. S. Farrar, M. Kapfer +5

Anomalous gating effects-such as gate ineffectiveness and pronounced hysteresis-have been observed in graphene-based systems encapsulated in boron nitride (BN) and linked to a poss…

Dependency of quantum time scales on symmetry

Fei Guo, Dmitrii Usanov, Eduardo B. Guedes +7

Although used extensively in everyday life, time is one of the least understood quantities in physics, especially on the level of quantum mechanics. Here we use an experimental met…