Publications by Edoardo Martino

Interplay between disorder and electronic correlations in compositionally complex alloys

László Forró, Luka Ciric, Xavier François Mettan, Jan Hugo Dil, Edoardo Martino, Davor Tolj, Trpimir Ivsic

Owing to their exceptional mechanical, electronic, and phononic transport properties, compositionally complex alloys, including high-entropy alloys, represent an important class of materials. However, the interplay between chemical disorder and electronic ...

Nature Research2024

Electron Glass Phase with Resilient Zhang-Rice Singlets in LiCu3O3

László Forró, Rosario Scopelliti, Arnaud Magrez, Krunoslav Prsa, Henrik Moodysson Rønnow, Simon Karl Moser, Jens Christian Johannsen, Paul Gregory Freeman, Edoardo Martino, Gianmarco Gatti

LiCu3O3 is an antiferromagnetic mixed valence cuprate where trilayers of edge -sharing Cu(II)O (3d9) are sandwiched in between planes of Cu(I) (3d10) ions, with Li stochastically substituting Cu(II). Angle resolved photoemission spectroscopy (ARPES) and de ...

Amer Physical Soc2024

Characterization of two electronic subsystems in cuprates through optical conductivity

Neven Barisic, Ana Akrap, Edoardo Martino

Understanding the physical properties of unconventional superconductors as well as of other correlated materials presents a formidable challenge. Their unusual evolution with doping, frequency, and temperature has frequently led to non-Fermi-liquid (non-FL ...

2023

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

László Forró, Ana Akrap, Henrik Moodysson Rønnow, Ivica Zivkovic, 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

Acoustic-Pressure-Assisted Engineering of Aluminum Foams

László Forró, Jacim Jacimovic, Xavier François Mettan, Edoardo Martino

Shaping metals as a foam modulates their physical properties, enabling attractive applications where lightweight, low thermal conductivity, or acoustic isolation are desirable. Adjusting the size of the bubbles in the foams is particularly relevant for tar ...

WILEY-V C H VERLAG GMBH2021

Unidirectional Kondo scattering in layered NbS2

Helmuth Berger, László Forró, Oleg Yazyev, Christoph Koch, Edoardo Martino, Quansheng Wu, Shengnan Zhang, Philip Johannes Walter Moll, Matthias Carsten Putzke, Konstantin Semeniuk

Crystalline defects can modify quantum interactions in solids, causing unintuitive, even favourable, properties such as quantum Hall effect or superconducting vortex pinning. Here we present another example of this notion-an unexpected unidirectional Kondo ...

NATURE PORTFOLIO2021

Radial Spin Texture of the Weyl Fermions in Chiral Tellurium

Philippe Bugnon, Marco Grioni, Majed Chergui, Oleg Yazyev, Luca Moreschini, Henrik Moodysson Rønnow, Alberto Crepaldi, Simon Karl Moser, Luc Testa, Mauro Fanciulli, Edoardo Martino, Gianmarco Gatti, Daniel Gosalbez Martinez, Silvan Dino Marcos Roth, Serhii Polishchuk, Michele Puppin

Trigonal tellurium, a small-gap semiconductor with pronounced magneto-electric and magneto-optical responses, is among the simplest realizations of a chiral crystal. We have studied by spin- and angle-resolved photoelectron spectroscopy its unconventional ...

AMER PHYSICAL SOC2020

Preferential out-of-plane conduction and quasi-one-dimensional electronic states in layered 1T-TaS2

Helmuth Berger, László Forró, Alla Arakcheeva, Ana Akrap, Luka Ciric, Andrea Pisoni, Edoardo Martino, Philip Johannes Walter Moll, Matthias Carsten Putzke, Konstantin Semeniuk

Layered transition metal dichalcogenides (TMDs) are commonly classified as quasi-two-dimensional materials, meaning that their electronic structure closely resembles that of an individual layer, which results in resistivity anisotropies reaching thousands. ...

2020

Electrons leave the flatland: out-of-plane charge dynamics in layered materials

Edoardo Martino

The goal of this thesis is to explore the "neglected" third dimension of layered materials, by studying the interlayer charge dynamics through dc conductivity, optical spectroscopy and ab-initio calculations. This project was designed to respond to the gro ...

EPFL2020

Structural Phase Transition and Bandgap Control through Mechanical Deformation in Layered Semiconductors 1T-ZrX2 (X = S, Se)

Helmuth Berger, Oleg Yazyev, Ana Akrap, Edoardo Martino, Michele Pizzochero, Kristians Cernevics, Konstantin Semeniuk

Applying elastic deformation can tune a material's physical properties locally and reversibly. Spatially modulated lattice deformation can create a bandgap gradient, favoring photogenerated charge separation and collection in optoelectronic devices. These ...

AMER CHEMICAL SOC2020

Giant anomalous Hall effect in quasi-two-dimensional layered antiferromagnet Co1/3NbS2

Helmuth Berger, László Forró, Edoardo Martino

The discovery of the anomalous Hall effect (AHE) in bulk metallic antiferromagnets (AFMs) motivates the search of the same phenomenon in two-dimensional (2D) systems, where a quantized anomalous Hall conductance can, in principle, be observed. Here we pres ...

AMER PHYSICAL SOC2020

Quantum spin-liquid states in an organic magnetic layer and molecular rotor hybrid

László Forró, Bálint Náfrádi, Andrea Pisoni, Péter Szirmai, Edoardo Martino, Konstantins Mantulnikovs

The exotic properties of quantum spin liquids (QSLs) have continually been of interest since Anderson's 1973 ground-breaking idea. Geometrical frustration, quantum fluctuations, and low dimensionality are the most often evoked material's characteristics th ...

National Academy of Sciences2020

Probing intraband excitations in ZrTe5: A high-pressure infrared and transport study

Helmuth Berger, Ana Akrap, Mathieu François Padlewski, Edoardo Martino, Philip Johannes Walter Moll, Matthias Carsten Putzke

Zirconium pentatetelluride, ZrTe5, shows remarkable sensitivity to hydrostatic pressure. In this work we address the high-pressure transport and optical properties of this compound, on samples grown by flux and chemical vapor transport. The high-pressure r ...

2020

Large magnetothermopower and anomalous Nernst effect in HfTe5

Jean-Philippe Ansermet, Helmuth Berger, Arnaud Magrez, Haiming Yu, Jan Hugo Dil, Edoardo Martino, Sa Tu, Marco Caputo, Junfeng Hu

Topological quantum materials have stimulated growing attention because they reveal novel aspects of condensed matter physics and point to new opportunities in materials science, in particular for thermoelectrics. Here, we experimentally study thermoelectr ...

AMER PHYSICAL SOC2019

Persistent antiferromagnetic order in heavily overdoped Ca1-xLaxFeAs2

László Forró, Ana Akrap, Henrik Moodysson Rønnow, Ivica Zivkovic, Sergiy Katrych, Edoardo Martino, Philip Johannes Walter Moll, Maja Deborah Bachmann

In the Ca1-xLaxFeAs2 (1 1 2) family of pnictide superconductors, we have investigated a highly overdoped composition (x = 0.56), prepared by a high-pressure, high-temperature synthesis. Magnetic measurements show an antiferromagnetic transition at T-N = 12 ...

2019

Two-Dimensional Conical Dispersion in ZrTe5 Evidenced by Optical Spectroscopy

Helmuth Berger, Ana Akrap, Edoardo Martino

Zirconium pentatelluride was recently reported to be a 3D Dirac semimetal, with a single conical band, located at the center of the Brillouin zone. The cone's lack of protection by the lattice symmetry immediately sparked vast discussions about the size an ...

AMER PHYSICAL SOC2019

Electronic properties of incommensurately modulated novel and complex materials

László Forró, Oleg Yazyev, Alla Arakcheeva, Ana Akrap, Gabriel Albert Autes, Sergiy Katrych, Edoardo Martino, Philip Johannes Walter Moll

INT UNION CRYSTALLOGRAPHY2018

Assembly and Soldering Procedure of Nonstabilized YBCO Coils for 1000 A SFCL

Edoardo Martino

IEEE Institute of Electrical and Electronics Engineers2018

Nonuniform carrier density in Cd3As2 evidenced by optical spectroscopy

Ana Akrap, Edoardo Martino

2018

Charge-Stripe Order and Superconductivity in Ir1−xPtxTe2

László Forró, Henrik Moodysson Rønnow, Yixing Chen, Johan Juul Chang, Andrea Pisoni, Lin Yang, Péter Krisztián Matus, Edoardo Martino

A combined resistivity and hard x-ray diffraction study of superconductivity and charge ordering in Ir Ir1−xPtxTe2, as a function of Pt substitution and externally applied hydrostatic pressure, is presented. Experiments are focused on samples near the crit ...

Nature Research2017