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8 papers · 2 filters
Structural phase transition in monolayer gold(I) telluride: From a room-temperature topologicalinsulator to an auxetic semiconductor
Xin Chen, Raquel Esteban-Puyuelo, Linyang Li +1
Structural phase transitions between semiconductors and topological insulators have rich applications in nanoelectronics but are rarely found in two-dimensional (2D) materials. In…
Frequency-independent terahertz anomalous Hall effect in DyCo, CoFe and GdFe thin films from DC to 40 THz
Tom S. Seifert, Ulrike Martens, Florin Radu +11
The anomalous Hall effect (AHE) is a fundamental spintronic charge-to-charge-current conversion phenomenon and closely related to spin-to-charge-current conversion by the spin Hall…
Three-dimensional coherent Bragg imaging of rotating nanoparticles
Alexander Björling, Lucas A. B. Marçal, José Solla-Gullón +3
Bragg Coherent Diffraction Imaging (BCDI) is a powerful strain imaging tool, often limited by beam-induced sample instability for small particles and high power densities. Here, we…
Probing the Meta-Stability of Oxide Core/Shell Nanoparticle Systems at Atomic Resolution
Manuel A. Roldana, Arnaud Mayence, Alberto López-Ortega +8
Hybrid nanoparticles allow exploiting the interplay of confinement, proximity between different materials and interfacial effects. However, to harness their properties an in-depth…
Signatures of a spin-1/2 cooperative paramagnet in the diluted triangular lattice of YCuTiO
S. Kundu, Akmal Hossain, Pranava Keerthi S +11
We present a combination of thermodynamic and dynamic experimental signatures of a disorder driven dynamic cooperative paramagnet in a 50% site diluted triangular lattice spin-1/2…
PAI-graphene: a new topological semimetallic two-dimensional carbon allotrope with highly tunable anisotropic Dirac cones
Xin Chen, Adrien Bouhon, Linyang Li +2
Using evolutionary algorithm for crystal structure prediction, we present a new stable two-dimensional (2D) carbon allotrope composed of polymerized as-indacenes (PAI) in a zigzag…