123 citations · 555 across the 45 of their papers we have counts for
22 papers · 1 filter
Interaction-driven electronic ferroelectricity in van der Waals heterostructures
Ziying Wang, Ana Vera Montoto, Mohammad Amini +5
Strong electronic correlations in narrow-band systems provide a promising route to realize emergent quantum phases. While ferroelectricity in van der Waals materials is typically a…
Electrical Control of Altermagnetism in a Quasi-1D Magnet
Alberto M. Ruiz, Cuiju Yu, Diego López-Alcalá +3
Altermagnetism is a collinear magnetic state characterized by momentum-dependent spin splitting in fully compensated materials. While widely investigated in systems governed by thr…
Lattice Reconstruction and Orbital Hybridization Suppress Magnetism in TaCoTe
Ulysse Chazarin, Bharat C. Bathu, Zuned Ahmed +6
Structural reconstruction in low-dimensional quantum materials can strongly modify electronic symmetry and magnetic stability through orbital hybridization. Here, we investigate th…
Observation of electromagnons in a monolayer multiferroic
Mohammad Amini, Tiago V. C. Antão, Liwei Jing +7
Van der Waals multiferroics have emerged as a promising platform to explore novel magnetoelectric phenomena. Recently, it has been shown that monolayer NiI hosts robust type-II…
Multiferroic nematic d-wave altermagnetism driven by orbital-order on the honeycomb lattice
Luigi Camerano, Adolfo O. Fumega, Jose L. Lado +2
Altermagnets provide promising platforms for unconventional magnetism, whose controllability would enable a whole new generation of spintronic devices. While a variety of bulk alte…
An ab initio description of the family of Cr selenides: structure, magnetism and electronic structure from bulk to the single-layer limit
Jan Phillips, Adolfo O. Fumega, S. Blanco-Canosa +1
Compounds based on Cr have been found to be among the first single-layer magnets. In addition, transition metal dichalcogenides are promising candidates to show long-range ferromag…
Electrical control of magnons in multiferroic NiI
Andrey Rybakov, Adolfo O. Fumega, Dorye L. Esteras +2
Layered van der Waals two-dimensional (2D) magnets are a cornerstone of ultrathin spintronic and magnonic devices. The recent discovery of a 2D multiferroic with strong magnetoelec…
Self-stacked 1-1 layers in 6-NbSeTe and the emergence of charge and magnetic correlations due to ligand disorder
S. K. Mahatha, J. Phillips, J. Corral-Sertal +14
The emergence of correlated phenomena arising from the combination of 1 and 1 van der Waals layers is the focus of intense research. Here, we synthesize a n…
Atomic-scale visualization of multiferroicity in monolayer NiI
Mohammad Amini, Adolfo O. Fumega, Héctor González-Herrero +4
Progress in layered van der Waals materials has resulted in the discovery of ferromagnetic and ferroelectric materials down to the monolayer limit. Recently, evidence of the first…
Temperature and thickness dependence of the thermal conductivity in 2D ferromagnet FeGeTe
Marcel S. Claro, Javier Corral-Sertal, Adolfo O. Fumega +5
The emergence of symmetry-breaking orders such as ferromagnetism and the weak interlayer bonding in van der Waals materials, offers a unique platform to engineer novel heterostruct…
Extreme sensitivity of the magnetic ground-state to halide composition in FeClBr
Andrew Cole, Alenna Streeter, Adolfo O. Fumega +7
Mixed halide chemistry has recently been utilized to tune the intrinsic magnetic properties of transition-metal halides one of the largest families of magnetic van der Waals ma…
Anharmonicity reveals the tunability of the charge density wave orders in monolayer VSe
Adolfo O. Fumega, Josu Diego, V. Pardo +2
VSe is a layered compound that has attracted great attention due to its proximity to a ferromagnetic state that is quenched by the presence of a charge density wave (CDW) phase…
Ferroelectric valley valves with graphene/MoTe van der Waals heterostructures
Adolfo O. Fumega, Jose L. Lado
Ferroelectric van der Waals heterostructures provide a natural platform to design a variety of electrically controllable devices. In this work, we demonstrate that AB bilayer graph…
Moiré-driven multiferroic order in twisted CrCl, CrBr and CrI bilayers
Adolfo O. Fumega, Jose L. Lado
Layered van der Waals materials have risen as a powerful platform to engineer artificial competing states of matter. Here we show the emergence of multiferroic order in twisted chr…
Tuning Coherent-Phonon Heat Transport in LaCoO/SrTiO Superlattices
D. Bugallo, E. Langenberg, E. Carbó-Argibay +6
Accessing the regime of coherent phonon propagation in nanostructures opens enormous possibilities to control the thermal conductivity in energy harvesting devices, phononic circui…
Microscopic origin of multiferroic order in monolayer NiI
Adolfo O. Fumega, J. L. Lado
The discovery of multiferroic behavior in monolayer NiI provides a new symmetry-broken state in van der Waals monolayers, featuring the simultaneous emergence of helimagnetic o…
Increasing the number of topological nodal lines in semimetals via uniaxial pressure
Adolfo O. Fumega, Victor Pardo, Alberto Cortijo
The application of pressure has been demonstrated to induce intriguing phase transitions in topological nodal-line semimetals. In this work we analyze how uniaxial pressure affects…
Controlled Two-Dimensional Ferromagnetism in 1T-CrTe. The role of charge density wave and strain
Adolfo O. Fumega, Jan Phillips, Victor Pardo
Transition metal dichalcogenides are promising candidates to show long-range ferromagnetic order in the single-layer limit. Based on ab initio calculations, we report the emergence…
Understanding the lattice thermal conductivity of SrTiO3 from an ab initio perspective
Adolfo O. Fumega, Yuhao Fu, Victor Pardo +1
We present a detailed analysis of the structure dependence of the lattice thermal conductivity of SrTiO3. We have used both ab initio Molecular Dynamic simulations and Density Func…
Absence of ferromagnetism in VSe2 caused by its charge density wave phase
Adolfo O. Fumega, Victor Pardo
In this study we present a detailed ab initio analysis of the magnetic properties of VSe2 . Ab initio calculations in the so-called 1T structure yield a ferromagnetic phase as most…
Ferromagnetic and insulating behavior of LaCoO3 films grown on a (001) SrTiO3 substrate. A simple ionic picture explained ab initio
Adolfo O Fumega, Victor Pardo
This paper shows that the oxygen vacancies observed experimentally in thin films of LaCoO3 subject to tensile strain are thermodynamically stable according to ab initio calculation…
Ab initio study of the strain dependence of thermopower in electron-doped SrTiO
Adolfo O. Fumega, V. Pardo
In this paper we explore the different mechanisms that affect the thermopower of a band insulating perovskite (in this case, SrTiO) when subject to strain (both compressive or…