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7 papers · 2 filters
Gate-tunable diode and photovoltaic effect in an organic-2D layered material p-n junction
Saül Vélez, David Ciudad, Joshua Island +8
The semiconducting p-n junction is a simple device structure with great relevance for electronic and optoelectronic applications. The successful integration of low-dimensional mate…
Titanium trisulfide (TiS3): a 2D semiconductor with quasi-1D optical and electronic properties
Joshua O. Island, Robert Biele, Mariam Barawi +7
We present characterizations of few-layer titanium trisulfide (TiS3) flakes which, due to their reduced in-plane structural symmetry, display strong anisotropy in their electrical…
Absence of magnetic proximity effects in magnetoresistive Pt/CoFe2O4 hybrid interfaces
M. Valvidares, N. Dix, M. Isasa +10
Ultra-thin Pt films grown on insulating ferrimagnetic CoFe2O4 (111) epitaxial films display a magnetoresistance upon rotating the magnetization of the magnetic layer. We report her…
Highly Anistoropic Thermal Conductivity of Arsenene: An ab initio Study
M. Zeraati, S. M. Vaez Allaei, I. Abdolhosseini Sarsari +2
Elemental 2D materials exhibit intriguing heat transport and phononic properties. Here we have investigated the lattice thermal conductivity of newly proposed arsenene, the 2D hone…
Photoemission footprints of extrinsic plasmarons
Bo Hellsing, V. M. Silkin
A prediction how to experimentally distinguish excitations of extrinsic plasmarons from intrinsic plasmarons is presented. In surface systems where excitations of acoustic surface…
Chiral degeneracies and Fermi-surface Chern numbers in bcc Fe
Daniel Gosalbez-Martinez, Ivo Souza, David Vanderbilt
The degeneracies in the spinor bandstructure of bcc Fe are studied from first principles. We find numerous isolated band touchings carrying chiral charges of magnitude one (Weyl po…