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6 papers · 2 filters
Role of magnetic ions in the thermal Hall effect of the paramagnetic insulator TmVO
Ashvini Vallipuram, Lu Chen, Emma Campillo +9
In a growing number of materials, phonons have been found to generate a thermal Hall effect, but the underlying mechanism remains unclear. Inspired by previous studies that reveale…
Emergence of flat bands in the quasicrystal limit of boron nitride twisted bilayers
Lorenzo Sponza, Van Binh Vu, Elisa Serrano Richaud +2
We investigate the electronic structure and the optical absorption onset of close-to-30\degree twisted hexagonal boron nitride bilayers. Our study is carried out with a purposely d…
Quantum Confinement and Electronic Structure at the Surface of van der Waals Ferroelectric α-InSe
Geoffroy Kremer, Aymen Mahmoudi, Adel M'Foukh +11
Two-dimensional (2D) ferroelectric (FE) materials are promising compounds for next-generation nonvolatile memories, due to their low energy consumption and high endurance. Among th…
Remote gate control of topological transitions in moiré superlattices via cavity vacuum fields
Zuzhang Lin, Chengxin Xiao, Danh-Phuong Nguyen +3
Placed in cavity resonators with three-dimensionally confined electromagnetic wave, the interaction between quasiparticles in solids can be induced by exchanging virtual cavity pho…
Tuning Elastic Properties of Metallic Nanoparticles by Shape Controlling: From Atomistic to Continuous Models
Matteo Erbi, Hakim Amara, Riccardo Gatti
Understanding and mastering the mechanical properties of metallic nanoparticles is crucial for their use in a wide range of applications. In this context, we use atomic-scale (Mole…
Atomic Scale Surface Segregation in Copper-Gold Nanoparticles
Grégoire Breyton, Hakim Amara, Jaysen Nelayah +5
In this work, we combine electron microscopy measurements of the surface compositions in Cu-Au nanoparticles and atomistic simulations to investigate the effect of gold segregation…