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Gate-tunable black phosphorus spin valve with nanosecond spin lifetimes
Related publications (52)
Large-Area Epitaxial Monolayer MoS2
Nicola Marzari, Anna Fontcuberta i Morral, Philippe Gillet, Aleksandra Radenovic, Andras Kis, Dumitru Dumcenco, Marco Gibertini, Yen-Cheng Kung, Oriol López Sánchez, Dmitry Ovchinnikov, Daria Krasnozhon, Simone Bertolazzi, Ming-Wei Chen, Kolyo Marinov
Two-dimensional semiconductors such as MoS2 are an emerging material family with wide-ranging potential applications in electronics, optoelectronics, and energy harvesting. Large-area growth methods are needed to open the way to applications. Control over ...
Amer Chemical Soc2015Charge-transport properties of monolayer MoS2 at the interface with dielectric materials
Two-dimensional (2D) semiconductors, consisting of single-sheets of layered transition metal dichalcogenides (TMD), are attracting enormous interest from both fundamental science and technology. Monolayer molybdenum disulfide (MoS2), a typical example from ...
EPFL2015Highly Spin-Polarized Carrier Dynamics and Ultra large Photoinduced Magnetization in CH(3)NH(3)Pbl(3) Perovskite Thin Films
Michael Graetzel, Nripan Mathews
Low-temperature solution-processed organic-inorganic halide perovskite CH3NH3PbI3 has demonstrated great potential for photovoltaics and light-emitting devices. Recent discoveries of long ambipolar carrier diffusion lengths and the prediction of the Rashba ...
American Chemical Society2015Opto-spintronics in InP using ferromagnetic tunnel spin filters
Jean-Philippe Ansermet, Murari Soundararajan, Christian Caspers, Dongyoung Yoon
We demonstrate opto-spintronics using Fe-doped Indium Phosphide (InP). The method is based on optical orientation of InP conduction electron spins which are electrically detected in planar InP/oxide/Ni tunnel spin filters. We separate the optical excitatio ...
Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2015Light Generation and Harvesting in a van der Waals Heterostructure
Aleksandra Radenovic, Andras Kis, Esther Alarcon Llado, Oriol López Sánchez, Volodymyr Koman
Two-dimensional (2D) materials are a new type of materials under intense study because of their interesting physical properties and wide range of potential applications from nanoelectronics to sensing and photonics. Monolayers of semiconducting transition ...
Amer Chemical Soc2014Spin processes and charge dynamics in organic light emitting diodes
In this thesis work we explore spin dependent processes and charge dynamics in α-NPD/Alq₃ based LEDs. Studies on polymer light emitting diodes based on PFO, which are fabricated by us, are also reported. Our objective is to shed light on the fundamental me ...
EPFL2014Amorphous silicon enhanced metal-insulator-semiconductor contacts for silicon solar cells
Aïcha Hessler-Wyser, Stefaan De Wolf, Bénédicte Demaurex
Carrier recombination at the metal-semiconductor contacts has become a significant obstacle to the further advancement of high-efficiency diffused-junction silicon solar cells. This paper provides the proof-of-concept of a procedure to reduce contact recom ...
American Institute of Physics2014Lattice Relaxation in Solid He-4: Effect on Dynamics of He-3 Impurities
We present a new simplified derivation of the effect of lattice relaxation that accompanies the quantum tunneling of He-3 impurities in solid He-4 on the nuclear spin-lattice relaxation of the He-3 impurities for very low impurity concentrations. As a resu ...
Springer/Plenum Publishers2014Mobility engineering and a metal–insulator transition in monolayer MoS2
Andras Kis, Branimir Radisavljevic
Two-dimensional (2D) materials are a new class of materials with interesting physical properties and applications ranging from nanoelectronics to sensing and photonics. In addition to graphene, the most studied 2D material, monolayers of other layered mate ...
Nature Publishing Group2013High performance solid-state mesoscopic solar cells
Mesoscopic sensitized solar cells are one of the most promising third-generation photovoltaic technologies. Dye-sensitized solar cells (DSCs), imitating the photosynthesis of green plants, were the first photovoltaic devices to utilize a mesoscopic heteroj ...
EPFL2013