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9 papers · 2 filters
Anisotropies in the linear polarization of vacancy photoluminescence in diamond induced by crystal rotations and strong magnetic fields
D. Braukmann, V. P. Popov, E. R. Glaser +3
We study the linear polarization properties of the photoluminescence of the neutral and negatively charged nitrogen vacancies and neutral vacancies in diamond crystals as function…
Elastic measurements of amorphous silicon films at mK temperatures
Andrew Fefferman, Ana Maldonado, Eddy Collin +3
The low temperature properties of glass are distinct from those of crystals due to the presence of poorly understood low-energy excitations. The tunneling model proposes that these…
Polarization-mediated Debye-screening of surface potential fluctuations in dual-channel AlN/GaN high electron mobility transistors
David A. Deen, Ross Miller, Andrei Osinsky +5
A dual-channel AlN/GaN/AlN/GaN high electron mobility transistor (HEMT) architecture is proposed, simulated, and demonstrated that suppresses gate lag due to surface-originated tra…
Polaritons in layered 2D materials
Tony Low, Andrey Chaves, Joshua D. Caldwell +7
In recent years, enhanced light-matter interactions through a plethora of dipole-type polaritonic excitations have been observed in two-dimensional (2D) layered materials. In graph…
Filling-enforced Magnetic Dirac Semimetals in Two Dimensions
Steve M Young, Benjamin J. Wieder
Filling-enforced Dirac semimetals, or those required at specific fillings by the combination of crystalline and time-reversal symmetries, have been proposed and discovered in numer…
Direct comparison of current-induced spin polarization in topological insulator Bi2Se3 and InAs Rashba states
Connie H. Li, Olaf M. J. van t Erve, Shivani Rajput +2
Three-dimensional topological insulators (TIs) exhibit time-reversal symmetry protected, linearly dispersing Dirac surface states. Band bending at the TI surface may also lead to c…