28 citations · 41 across the 9 of their papers we have counts for
10 papers
Flexoelectricity and Flexomagnetism
Alexander Edström, Massimiliano Stengel
Strain gradients, unlike homogeneous strain, are odd under space inversion and unlock couplings that are strictly forbidden in the parent crystal. At the nanoscale, and in curved l…
Spin-orbit coupling renormalization of the natural optical activity of Pb5Ge3O11 from first-principles
Asier Zabalo, Massimiliano Stengel, Eric Bousquet
We present a first-principles study of the natural optical activity of the gyroelectric PbGeO crystal, explicitly accounting for spin-orbit coupling (SOC) effects. W…
Local multiferroic ordering at room temperature in collinear magnetoelectric antiferromagnets induced by flexo-Zeeman coupling
Paulina J. Prusik, Igor Veremchuk, Florin Radu +11
Spin-driven multiferroicity attracts significant interest due to its tunability and inherently strong magnetoelectric coupling. While this mechanism induces sizeable electric polar…
Dynamic disentanglement of photoflexoelectricity and flexophotovoltage
Zhiguo Wang, Yuanyang Guo, Zhenggang Rao +4
The coupling between light and strain gradients shows two kinds of effects: light enhanced flexoelectricity (photoflexoelectricity) and gradient enhanced photovoltage (flexophotovo…
Abinit 2025: New Capabilities for the Predictive Modeling of Solids and Nanomaterials
Matthieu J. Verstraete, Joao Abreu, Guillaume E. Allemand +71
Abinit is a widely used scientific software package implementing density functional theory and many related functionalities for excited states and response properties. This paper p…
Magnetoelectricity of Topological Solitons in 2D Magnets
Alexander Edström, Paolo Barone, Silvia Picozzi +1
We develop a multiscale approach to magnetoelectric effects, bridging atomistic and continuum models, with all parameters determined from ab initio electronic structure calculation…
Excess energy and countercurrents after a quantum kick
Nuria Santervás-Arranz, Massimiliano Stengel, Emilio Artacho
A quantum system of interacting particles under the effect of a static external potential is hereby described as kicked when that potential suddenly starts moving with a constant v…
Static Born charges and quantum capacitance in metals and doped semiconductors
Asier Zabalo, Cyrus E. Dreyer, Massimiliano Stengel
Born dynamical charges () play a key role in the lattice dynamics of most crystals, including both insulators and metals in the nonadiabatic ("clean") regime…
Optical bounds on many-electron localization
Ivo Souza, Richard M. Martin, Massimiliano Stengel
We establish rigorous inequalities between different electronic properties linked to optical sum rules, and organize them into weak and strong bounds on three characteristic proper…
Observation of Antiferroelectric Domain Walls in a Uniaxial Hyperferroelectric
Michele Conroy, Didrik René Småbråten, Colin Ophus +11
Ferroelectric domain walls are a rich source of emergent electronic properties and unusual polar order. Recent studies showed that the configuration of ferroelectric walls can go w…