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Showing 1–6 of 6 results
Advanced filters: Author: Alexei Chepelianskii Clear advanced filters

  • Two-dimensional phases of electrons exhibit interesting phenomena under magnetic fields. Chepelianskii et al.show that electrons on liquid helium exhibit an incompressible state when they are excited by a microwave field at particular frequencies related with the Landau level spacing.

    • Alexei D. Chepelianskii
    • Masamitsu Watanabe
    • Denis Konstantinov
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Demonstration of ballistic conduction and spin polarization of edge state currents in two dimensional topological insulators remains a challenge. Here, Muraniet al. report a direct signature of ballistic one dimensional transport along the topological surfaces of a bismuth nanowire connected to superconducting electrodes.

    • Anil Murani
    • Alik Kasumov
    • Sophie Guéron
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Weak spin-orbit coupling in organic materials results in unique spin-dependent phenomena which may be exploited in spintronic or photovoltaic devices. Here, the authors use the dielectric properties of carbon-based semiconductors to study spin-selective carrier recombination during magnetic resonance.

    • Sam L. Bayliss
    • Neil C. Greenham
    • Alexei D Chepelianskii
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-6

  • Controlling electron spin states with light is vital for quantum technologies but requires electronic excitations with net spin. Now a molecular diradical with two trityl radical groups coupled via a meta-linked fluorene bridge has been developed that features luminescent singlet and triplet excitons. The spins in the ground state can be written and read using photons, giving rise to broad magnetic and microwave modulation of the photoluminescence.

    • Rituparno Chowdhury
    • Petri Murto
    • Richard H. Friend
    ResearchOpen Access
    Nature Chemistry
    Volume: 17, P: 1410-1417

  • Control of spin statistics by spin injection from ferromagnetic electrodes has been shown to achieve only weak effects in organic optoelectronic devices. Wang et al.use instead polarization of spins after injection, at high magnetic fields and low temperatures, achieving a 50% change in device characteristics.

    • Jianpu Wang
    • Alexei Chepelianskii
    • Neil C. Greenham
    ResearchOpen Access
    Nature Communications
    Volume: 3, P: 1-6

  • Silicon is an important material in spintronics but its inefficiency in light emission limits the optical probes for spin transport. Here Chiodi et al. develop ultra-doped silicon light-emitting devices and show that electroluminescence can be used to probe spin phenomena in silicon even at room temperature.

    • F. Chiodi
    • S. L. Bayliss
    • A. D. Chepelianskii
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-7