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László Forró

Cette personne a quitté l’EPFL

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Publications associées (293)

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Synthesis of murunskite single crystals: A bridge between cuprates and pnictides

László Forró, Henrik Moodysson Rønnow, Ivica Zivkovic, Ana Akrap, Edoardo Martino, Davor Tolj, Trpimir Ivsic, Konstantin Semeniuk

Numerous contemporary investigations in condensed matter physics are devoted to high temperature (high-T-c) cuprate superconductors. Despite its unique effulgence among research subjects, the enigma of the high-T-c mechanism still persists. One way to adva ...

ELSEVIER2021

Evidence of an equimolar C2H2-CO2 reaction in the synthesis of carbon nanotubes

László Forró, Arnaud Magrez, Jin Won Seo

Wiley-VCH Verlag GmbH2007

Effect of electron and ultraviolet irradiation on aligned carbon nanotube fibers

László Forró, Andrzej Kulik, Richard Gaal, Jin Won Seo, Csilla Mikó

2006

Atomic force microscopy and quartz crystal microbalance study of the lectin-carbohydrate interaction kinetics

László Forró, Andrzej Kulik

2007

High-pressure resistivity and thermoelectric power in Yb14MnSb11

László Forró, Ana Akrap, Neven Barisic

2007

Manifestations of fine features of the density of states in the transport properties of KOs2O6

László Forró, Ana Akrap

2007

Synthesis, Characterization, and Photocatalytic Activities of Nanoparticulate N, S-Codoped TiO2 Having Different Surface-to-Volume Ratios

César Pulgarin, László Forró, Jacques-Edouard Moser, Juan Kiwi, Andrzej Sienkiewicz, Julian Andrés Rengifo Herrera, Katarzyna Pierzchala

An efficient, visible light active, N, S-codoped TiO2-based photocatalyst was prepared by reacting thiourea with nanoparticulate anatase TiO2. Commercial anatase powders were manually ground with thiourea and annealed at 400 degrees C in two crucibles with ...

American Chemical Society2010

Photodiode Response in a CH3NH3PbI3/CH3NH3SnI3 Heterojunction

László Forró, Bálint Náfrádi, Endre Horvath, Massimo Spina, Andrea Pisoni

Here we report another surprising feature of the methylammonium metal halide material family, the phototunability of the diode response of a heterojunction made of CH3NH3PbI3 and its close relative, CH3NH3SnI3. In the dark state the device behaves as a dio ...

2017

Ising pairing in superconducting NbSe2 atomic layers

László Forró, Helmuth Berger

The properties of two-dimensional transition metal dichalcogenides arising from strong spin-orbit interactions and valley-dependent Berry curvature effects have recently attracted considerable interest(1-7). Although single-particle and excitonic phenomena ...

Nature Publishing Group2016

Equilibrium concentration of singlet oxygen in photoreaction of reaction center/carbon nanotube bionanocomposites

László Forró, Arnaud Magrez, Endre Horvath

The reaction center protein is the unit in the photosynthetic organisms in which the primary events of the photoelectric energy conversion take place during photosynthesis. When the photochemistry following the excitation of the reaction center by light is ...

Wiley-V C H Verlag Gmbh2015

Filamentous and step-like behavior of gelling coarse fibrin networks revealed by high-frequency microrheology

László Forró, Sylvia Jeney

By a micro-experimental methodology, we study the ongoing molecular process inside coarse fibrin networks by means of microrheology. We made these networks gelate around a probe microbead, allowing us to observe a temporal evolution compatible with the wel ...

ROYAL SOC CHEMISTRY2020

Optical detection of charge dynamics in CH3NH3PbI3/carbon nanotube composites

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

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

Direct and selective synthesis of a wide range of carbon nanomaterials by CVD at CMOS compatible temperatures

Giovanni De Micheli, László Forró, Sandro Carrara, Arnaud Magrez, Irene Taurino

Biosensors benefit from specific nano- to monitor human metabolites [1], [2]. Moreover, small structuration of the active bio-interface layer. In this electrodes allow us to design many sensing sites, each perspective, a wide range of carbon nanomaterials ...

2014

Improved Alkali Intercalation of Carbonaceous Materials in Ammonia Solution

László Forró, Bálint Náfrádi, Péter Szirmai, Ferenc Simon

Alkali-intercalated graphite compounds represent a compelling modification of carbon with significant application potential and various fundamentally important phases. The intercalation of graphite with alkali atoms (Li and K) using liquid ammonia solution ...

WILEY-V C H VERLAG GMBH2019

Anisotropic memory effects in confined colloidal diffusion

László Forró, Sylvia Jeney, Branimir Lukic

The motion of an optically trapped sphere constrained by the vicinity of a wall is investigated at times where hydrodynamic memory is significant. First, we quantify, in bulk, the influence of confinement arising from the trapping potential on the sphere's ...

2008

Cellular Toxicity of TiO2-Based Nanofilaments

László Forró, Arnaud Magrez, Rita Smajda, Lenke Horváth

At present, nanofilaments are not exclusively based on carbon atoms but can be produced from many inorganic materials in the form of nanotubes and nanowires. It is essential to systematically assess the acute toxicity of these newly synthesized materials s ...

2009

Anisotropic Elliott-Yafet theory and application to KC8 potassium intercalated graphite

László Forró, Bálint Náfrádi, Péter Szirmai, Ferenc Simon

We report electron spin resonance (ESR) measurements on stage-I potassium intercalated graphite (KC8). Angular dependent measurements show that the spin-lattice relaxation time is longer when the magnetic field is perpendicular to the graphene layer as com ...

Wiley-V C H Verlag Gmbh2016

Gate Tuning of Electronic Phase Transitions in Two-Dimensional NbSe2

László Forró, Helmuth Berger

Recent experimental advances in atomically thin transition metal dichalcogenide (TMD) metals have unveiled a range of interesting phenomena including the coexistence of charge-density-wave (CDW) order and superconductivity down to the monolayer limit. The ...

Amer Physical Soc2016

Strongly enhanced charge-density-wave order in monolayer NbSe2

László Forró, Helmuth Berger

Two-dimensional materials possess very different properties from their bulk counterparts. While changes in single-particle electronic properties have been investigated extensively(1-3), modifications in the many-body collective phenomena in the exact two-d ...

Nature Publishing Group2015

Matthiessen's rule in MgB2: Resistivity and T-c as a function of point defect concentration

László Forró, Richard Gaal, Neven Barisic, Balazs Sipos

We present the results of a systematic study of the temperature-dependent resistivity and of T-c of a single crystal MgB2 sample as a function of point defect concentration. We have found linear, albeit weak, correlation between the decreasing superconduct ...

2007