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11 papers · 1 filter
Crossover from Conventional to Unconventional Superconductivity in 2M-WS2
Piumi Samarawickrama, Joseph McBride, Sabin Gautam +8
Leveraging reciprocal-space proximity effect between superconducting bulk and topological surface states (TSSs) offers a promising way to topological superconductivity. However, el…
Tunneling current-controlled spin states in few-layer van der Waals magnets
ZhuangEn Fu, Piumi I. Samarawickrama, John Ackerman +12
Effective control of magnetic phases in two-dimensional magnets would constitute crucial progress in spintronics, holding great potential for future computing technologies. Here, w…
Anomalous Tunneling Magnetoresistance Oscillation and Electrically Tunable Tunneling Anisotropic Magnetoresistance in Few-layer CrPS4
ZhuangEn Fu, Hong-Fei Huang, Piumi Samarawickrama +7
Two-dimensional (2D) van der Waals (vdW) magnets with layer-dependent magnetic states and/or diverse magnetic interactions and anisotropies have attracted extensive research intere…
Colloquium: Quantum Properties and Functionalities of Magnetic Skyrmions
Alexander P. Petrović, Christina Psaroudaki, Peter Fischer +2
Competing magnetic interactions may stabilize smooth magnetization textures that can be characterized by a topological winding number. Such textures, which are spatially localized…
Super-suppression of long wavelength phonons in constricted nanoporous geometries
Alex Greaney, S. Aria Hosseini, Laura de Sousa Oliveira +2
In a typical semiconductor material, the majority of heat is carried by long wavelength, long mean-free-path phonons. Nanostructuring strategies to reduce thermal conductivity, a p…
The theory of transport in helical spin-structure crystals
Andrei Zadorozhnyi, Yuri Dahnovsky
We study helical structures in spin-spiral single crystals. In the continuum approach for the helicity potential energy the simple electronic band splits into two non-parabolic ban…