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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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7 papers · 2 filters
Experimental realization of a topological p-n junction by intrinsic defect-grading
T. Bathon, S. Achilli, P. Sessi +4
A junction between an n- and p-type semiconductor results in the creation of a depletion region whose properties are at the basis of nowadays electronics. If realized using topolog…
Scattering properties of the three-dimensional topological insulator Sb2Te3: Coexistence of topologically trivial and non-trivial surface states with opposite spin-momentum helicity
P. Sessi, O. Storz, T. Bathon +5
The binary chalcogenides Bi2Te3 and Bi2Se3 are the most widely studied topological insulators. Although the quantum anomalous Hall effect has recently been observed in magnetically…
Memristive Sisyphus circuit for clock signal generation
Yuriy V. Pershin, Sergey N. Shevchenko, Franco Nori
Frequency generators are widely used in electronics. Here, we report the design and experimental realization of a memristive frequency generator employing a unique combination of o…
Ultrafast exciton-polariton scattering towards the Dirac points
V. M. Kovalev, I. G. Savenko, I. V. Iorsh
Using the Feynman-Dyson diagram technique, we study nonlinear polariton-polariton scattering in a two-dimensional micropillar-based optical superlattice with hexagonal symmetry. We…
Evidence on the macroscopic length scale spin coherence for the edge currents in a narrow HgTe quantum well
A. Kononov, S. V. Egorov, Z. D. Kvon +3
We experimentally investigate spin-polarized electron transport between two ferromagnetic contacts, placed at the edge of a two-dimensional electron system with band inversion. The…
Surface photocurrent in electron gas over liquid He subject to quantizing magnetic field
L. I. Magarill, M. V. Entin
The photogalvanic effect is studied in electron gas over the liquid He surface with the presence of quantizing magnetic field. The gas is affected by the weak alternating microwave…
Shot noise of the edge transport in the inverted band HgTe quantum wells
E. S. Tikhonov, D. V. Shovkun, Z. D. Kvon +3
We investigate the current noise in HgTe-based quantum wells with an inverted band structure in the regime of disordered edge transport. Consistent with previous experiments, the e…