Publications associées à Interlayer Exciton Dynamics in Van Der Waals Heterostructures

Publications associées (11)

Disorder-induced electronic, magnetic, and optoelectronic properties of two-dimensional materials

Technological advancement has been in cadence with material development by improving the purity of single crystals and, at the same time, controlling their imperfections. These capabilities have been especially vital for developing new technolo-gies based ...

EPFL2022

Reversible Pressure-Dependent Mechanochromism of Dion-Jacobson and Ruddlesden-Popper Layered Hybrid Perovskites

Michael Graetzel, Ursula Röthlisberger, Jovana Milic, Mathias Dankl, Algirdas Ducinskas

Layered Dion-Jacobson (DJ) and Ruddlesden-Popper (RP) hybrid perovskites are promising materials for optoelectronic applications due to their modular structure. To fully exploit their functionality, mechanical stimuli can be used to control their propertie ...

Wiley-V C H Verlag Gmbh2022

Kilogram-Scale Crystallogenesis of Halide Perovskites for Gamma-Rays Dose Rate Measurements

László Forró, Andrzej Sienkiewicz, Bálint Náfrádi, Endre Horvath, Pavel Frajtag, Andreas Pautz, Vincent Pierre Lamirand, Pavao Roko Andricevic, Márton Kollár

Gamma-rays (gamma-rays), wherever present, e.g., in medicine, nuclear environment, or homeland security, due to their strong impact on biological matter, should be closely monitored. There is a need for simple, sensitive gamma-ray detectors at affordable p ...

2020

Roll-to-Roll Deposition of Semiconducting 2D Nanoflake Films of Transition Metal Dichalcogenides for Optoelectronic Applications

Kevin Sivula, Rebekah Anne Wells, Charles Roger Jean Lhermitte, Hannah Elizabeth Johnson

Exfoliated transition metal dichalcogenide (TMD) nanomaterials possess remarkable and tunable semiconducting properties which make them competitive for use in ultrathin, flexible devices such as photodetectors, sensors, and photoelectrodes for solar energy ...

2019

Magnetic Stability of Single Lanthanide Atoms on Graphene

Romana Baltic

This thesis presents a study of the magnetism of surface supported atoms performed principally with XMCD spectroscopy and multiplet calculations. The objective of the research was twofold: first, to study the underlying interactions and conditions governi ...

EPFL2018

Optical detection of charge dynamics in CH3NH3PbI3/carbon nanotube composites

László Forró, Bálint Náfrádi, Endre Horvath, Pavao Roko Andricevic, Márton Kollár

We have investigated the optical absorption of metallic and semiconducting carbon nanotubes/CH3NH3PbI3 micro- and nanowire composites. Upon visible light illumination semiconducting carbon nanotube based samples show a photo-induced doping, originating fro ...

2017

Optospintronics in Graphene via Proximity Coupling

Andras Kis, Oriol López Sánchez, Dmitrii Unuchek, Ahmet Avsar

The observation of micrometer size spin relaxation makes graphene a promising material for applications in spintronics requiring long-distance spin communication. However, spin dependent scatterings at the contact/graphene interfaces affect the spin inject ...

American Chemical Society2017

Possibility of an unconventional spin state of Ir4+ in Ba21Ir9O43 single crystal

László Forró, Arnaud Magrez, Oleg Yazyev, Alla Arakcheeva, Bálint Náfrádi, Henrik Moodysson Rønnow, Ivica Zivkovic, Jacim Jacimovic, Sergiy Katrych, Andrea Pisoni, Lin Yang, Noore Elahi Shaik

We report the synthesis of single crystals of a novel layered iridate Ba21Ir9O43 and present the crystallographic, transport, and magnetic properties of this material. The compound has a hexagonal structure with two iridium oxide layers stacked along the c ...

Amer Physical Soc2016

Crystal Structure, Transport, and Magnetic Properties of an Ir6+ Compound Ba8Al2IrO14

László Forró, Arnaud Magrez, Alla Arakcheeva, Bastien Dalla Piazza, Ana Akrap, Krunoslav Prsa, Henrik Moodysson Rønnow, Jacim Jacimovic, Sergiy Katrych, Andrea Pisoni, Lin Yang

The novel iridate Ba8Al2IrO14 was prepared as single crystals by self-flux method, thereby providing a rare example of an all-Ir(VI) compound that can be synthesized under ambient pressure conditions. The preparation of all-Ir6+ iridate without using tradi ...

2015

Electrochemical Reaction in Single Layer MoS2: nanopores opened atom by atom

Andras Kis, Aleksandra Radenovic, Michael Graf, Duncan Thomas Lindsay Alexander, Daria Krasnozhon, Roman Bulushev, Jiandong Feng, Ke Liu, Dumitru Dumcenco, Martina Lihter

Ultrathin nanopore membranes based on 2D materials have demonstrated ultimate resolution toward DNA sequencing. Among them, molybdenum disulfide (MoS2) shows long-term stability as well as superior sensitivity enabling high throughput performance. The trad ...

American Chemical Society (ACS)2015

Optical properties of BiTeBr and BiTeCl

Helmuth Berger, Philippe Bugnon, Arnaud Magrez, Ana Akrap

We present a comparative study of the optical properties-reflectance, transmission, and optical conductivity- and Raman spectra of two layered bismuth-tellurohalides BiTeBr and BiTeCl at 300 and 5 K, for light polarized in the a-b planes. Despite different ...

Amer Physical Soc2014