Publication
Gate-tunable black phosphorus spin valve with nanosecond spin lifetimes
Related publications (52)
The nanoscale impact of individual nonradiative point defects on InGaN/GaN quantum wells
Thomas Fjord Kjaersgaard Weatherley
Today's world depends on optoelectronic devices: light-emitting diodes illuminate our houses and backlight the displays on our gadgets, while laser diodes underpin fibre-optic communication. Such optoelectronic devices rely on crystalline semiconductor het ...
EPFL2023Optoelectronic and magnetic properties induced by atomic defects in two-dimensional semiconductors
Two-dimensional (2D) materials have attracted increasing attention over the last decade owing to their remarkable mechanical, electrical and optical properties. Following the groundbreaking discovery of graphene, a plethora of other atomically-thin materia ...
EPFL2020Electronic, excitonic and magnetic properties of two-dimensional heterostructures
Two-dimensional (2D) crystals such as graphene or transition metal dichalcogenides (TMDCs) are a fascinating class of quantum materials. These compounds are obtained isolating the single atomic sheets that normally form bulk layered crystals, and the reduc ...
EPFL2020First-principles calculations of charge carrier mobility and conductivity in bulk semiconductors and two-dimensional materials
Samuel Poncé, Feliciano Giustino
One of the fundamental properties of semiconductors is their ability to support highly tunable electric currents in the presence of electric fields or carrier concentration gradients. These properties are described by transport coefficients such as electro ...
IOP PUBLISHING LTD2020Electronic transport across quantum dots in graphene nanoribbons: Toward built-in gap-tunable metal-semiconductor-metal heterojunctions
Oleg Yazyev, Kristians Cernevics, Michele Pizzochero
The success of all-graphene electronics is severely hindered by the challenging realization and subsequent integration of semiconducting channels and metallic contacts. Here, we comprehensively investigate the electronic transport across width-modulated he ...
AMER PHYSICAL SOC2020Polarity-Controllable Devices and Circuits for Doping-Free 2D Electronics
The growth of information technology has been sustained by the miniaturization of Complementary Metal-Oxide-Semiconductor (CMOS) Field-Effect Transistors (FETs), with the number of devices per unit area constantly increasing, as exemplified by Mooreâs la ...
EPFL2019Spin-valley optoelectronics based on two-dimensional materials
Two-dimensional (2D) materials, in particular graphene and transition metal dichalcogenides (TMDC), have attracted great scientific interest over the last decade, revealing exceptional mechanical, electrical and optical properties. Owing to their layered n ...
EPFL2019Grain boundaries and quantum transport in monolayer MoS2
The growing research on two-dimensional materials reveals their exceptional physical properties and enormous potential for future applications and investigation of advanced physics phenomena. They represent the ultimate limit in terms of active channel thi ...
EPFL2018Spin transport in topological insulator-based nanostructures
With the advent of spintronics, significant research effort is made to realize efficient injection, transport, manipulation, and detection of spin. The material platforms and device architectures suitable for this purpose 3D topological insulators (TIs) ar ...
EPFL2017Dynamics of Electronic and Ionic Charges in Cyanine Organic Semiconductor Devices
Organic semiconductor materials have been widely applied in optoelectronic devices to replace their inorganic counterparts and explore new fields of applications. Due to their high extinction coefficients, chemical tunability and solubility, cyanine dyes a ...
EPFL2017