60 citations · 87 across the 8 of their papers we have counts for
15 papers · 1 filter
Convert widespread paraelectric perovskite to ferroelectrics
Hongwei Wang, Fujie Tang, Massimiliano Stengel +4
While nature provides a plethora of perovskite materials, only a few exhibits large ferroelectricity and possibly multiferroicity. The majority of perovskite materials have the non…
Controlling ferroelectric hysteresis offsets in PbTiO based superlattices
Simon Divilov, Hsiang-Chun Hsing, Mohammed Humed Yusuf +9
Ferroelectric materials are characterized by degenerate ground states with multiple polarization directions. In a ferroelectric capacitor this should manifest as equally favourable…
Switching a polar metal via strain gradients
Asier Zabalo, Massimiliano Stengel
Although rare, spontaneous breakdown of inversion symmetry sometimes occurs in a material which is metallic: these are commonly known as polar metals or ferroelectric metals. Their…
Ferroelectric 180 degree walls are mechanically softer than the domains they separate
Christina Stefani, Louis Ponet, Konstantin Shapovalov +7
Domain walls are functionally different from the domains they separate, but little is known about their mechanical properties. Using scanning probe microscopy, we have measured the…
Using high multipolar orders to reconstruct the sound velocity in piezoelectrics from lattice dynamics
Miquel Royo, Konstanze R. Hahn, Massimiliano Stengel
Information over the phonon band structure is crucial to predicting many thermodynamic properties of materials, such as thermal transport coefficients. Highly accurate phonon dispe…
Phonon-limited electron mobility in Si, GaAs and GaP with exact treatment of dynamical quadrupoles
Guillaume Brunin, Henrique Pereira Coutada Miranda, Matteo Giantomassi +6
We describe a new approach to compute the electron-phonon self-energy and carrier mobilities in semiconductors. Our implementation does not require a localized basis set to interpo…