Andras Kis

@andraskis.bsky.social

Professor at EPFL, https://lanes.epfl.ch Handle from the other network: @andras_ks ORCID: 0000-0002-3426-7702

🔬✈️ With funding from the SNSF, researchers can gain experience formative for their careers. The Postdoc.Mobility 🧳🌍 scheme is allocating a total of 24.8 million Swiss francs to support 200 postdocs either to carry out a research project abroad or to return to Switzerland. ➡️https://buff.ly/sLWClEO

Mobility grants for 200 postdocs

The SNSF is allocating a total of CHF 24.8 million to enable 200 researchers to carry out a stay abroad or to return to Switzerland.

buff.ly

New in #npj2dmaterials @natureportfolio.bsky.social: Malik et al. show that vacancy formation energies act as a reliable descriptor for MXene exfoliation, enabling prediction of 7 new stable MXenes and highlighting the need for non-HF etchants at higher pH. www.nature.com/artic... #2dmaterials 🧪

Vacancy formation energy as a descriptor of the exfoliability of MAX phases to MXenes

npj 2D Materials and Applications - Vacancy formation energy as a descriptor of the exfoliability of MAX phases to MXenes

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Bark et al. uncover a higher-order topological phase in hexagonal honeycomb-kagome lattices via Γ-point band inversion, enabling tunable network bands in twisted or mismatched moiré heterostructures. www.nature.com/artic... #2dmaterials 🧪

Stacking-dependent topological electronic structures in honeycomb-kagome heterolayers

npj 2D Materials and Applications - Stacking-dependent topological electronic structures in honeycomb-kagome heterolayers

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Oluwole et al. report a combustion reaction of GO and amino acids, resulting in highly graphitized, N-doped graphene inks—printable on plastic to make chipless RFID tags readable at 3.986 GHz from 28 mm. www.nature.com/artic... #2dmaterials 🧪

Low-temperature graphitization by amine-assisted combustion of graphite oxide

npj 2D Materials and Applications - Low-temperature graphitization by amine-assisted combustion of graphite oxide

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Shakir et al. show that placing a metal in van der Waals contact with a TMDC monolayer enhances photoluminescence by up to 100× by suppressing exciton-exciton annihilation through strong Coulomb screening. www.nature.com/artic... #2dmaterials 🧪

Photoluminescence enhancement in two-dimensional semiconductors via spacer-free metallic screening

npj 2D Materials and Applications - Photoluminescence enhancement in two-dimensional semiconductors via spacer-free metallic screening

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Gill et al. use ultrafast light pulses to generate pure spin and valley currents—without charge flow—in 2D materials like WSe₂ and bilayer graphene, opening paths to next-gen spin/valleytronics. www.nature.com/artic... #2dmaterials 🧪

Ultrafast all-optical generation of pure spin and valley currents

npj 2D Materials and Applications - Ultrafast all-optical generation of pure spin and valley currents

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Lee et al. show that Van der Waals stacking adds symmetry control over Dirac surface states, enabling tunable spin textures and magnetic responses—key for topological quantum and spintronic device design. www.nature.com/artic... #2dmaterials 🧪

Manipulation of Dirac states in polymorphic and dual topological insulating phases of van der Waals systems

npj 2D Materials and Applications - Manipulation of Dirac states in polymorphic and dual topological insulating phases of van der Waals systems

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Simonian et al. find that TlGaSe₂ thin films show enhanced thermoelectric performance thanks to stacking faults—once considered defects, they're now a feature. www.nature.com/artic... #2dmaterials 🧪

Elucidating the role of stacking faults in TlGaSe2 on its thermoelectric properties

npj 2D Materials and Applications - Elucidating the role of stacking faults in TlGaSe2 on its thermoelectric properties

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Lee et al. show that under pressure, CrSiTe₃ becomes metallic, triples its TC, and shows a dome-like Hall effect—evidence of Berry curvature from topological bands. www.nature.com/artic... #2dmaterials 🧪

Pressure-induced large anomalous Hall effects in a layered ferromagnet CrSiTe3

npj 2D Materials and Applications - Pressure-induced large anomalous Hall effects in a layered ferromagnet CrSiTe3

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Erhardt et al. in a first-principles study map the full superconducting dome in doped MoS₂, showing that Tc rises then falls due to CDWs, polarons, and an H-to-1T′ phase shift—reconciling conflicting experiments. www.nature.com/artic... 🧪

Understanding the origin of superconducting dome in electron-doped MoS2 monolayer

npj 2D Materials and Applications - Understanding the origin of superconducting dome in electron-doped MoS2 monolayer

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Agarwal et al. show that topological polarization textures in twisted vdW bilayers produce distinctive nonlinear optical responses, enabling their optical detection via vortex-like shift photocurrents. www.nature.com/artic... #2dmaterials 🧪

Shift photocurrent vortices from topological polarization textures

npj 2D Materials and Applications - Shift photocurrent vortices from topological polarization textures

nature.com

New in #npj2dmaterials @natureportfolio.bsky.social: Völkel et al. show that h-BN memristors with nickel electrodes show strong resistive switching in air, but not in vacuum—simulations reveal water’s critical role in device behavior and forming process. www.nature.com/artic... #2dmaterials 🧪

Influence of humidity on the resistive switching of hexagonal boron nitride-based memristors

npj 2D Materials and Applications - Influence of humidity on the resistive switching of hexagonal boron nitride-based memristors

nature.com