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6 papers · 2 filters
Relevance of Shear Transformations in the Relaxation of Supercooled Liquids
Matthias Lerbinger, Armand Barbot, Damien Vandembroucq +1
While deeply supercooled liquids exhibit divergent viscosity and increasingly heterogeneous dynamics as the temperature drops, their structure shows only seemingly marginal changes…
Magnon-phonon interactions enhance the gap at the Dirac point in the spin-wave spectra of CrI two-dimensional magnets
Pietro Delugas, Oscar Baseggio, Iurii Timrov +2
Recent neutron-diffraction experiments in honeycomb CrI quasi-2D ferromagnets have evinced the existence of a gap at the Dirac point in their spin-wave spectra. The existence o…
Thermal diffusivity and its lower bound in orthorhombic SnSe
Valentina Martelli, Fabio Abud, Julio Larrea Jiménez +3
The orthorhombic monochalcogenide SnSe has attracted much attention in recent years as a promising high-temperature thermoelectric material. We present a study of its thermal condu…
Optical conductivity signatures of open Dirac nodal lines
D. Santos-Cottin, M. Casula, L. de' Medici +7
We investigate the optical conductivity and far-infrared magneto-optical response of BaNiS, a simple square-lattice semimetal characterized by Dirac nodal lines that disperse e…
Pressure-induced structural phase transition and suppression of Jahn-Teller distortion in the quadruple perovskite structure
V. S. Bhadram, B. Joseph, D. Delmonte +5
By means of in situ synchrotron X-ray diffraction and Raman spectroscopy under hydrostatic pressure, we investigate the structural stability of the quadruple perovskite LaMn7O12. A…
Quasi-isotropic orbital magnetoresistance in lightly doped SrTiO
Clément Collignon, Yudai Awashima, Ravi +8
A magnetic field parallel to an electrical current does not produce a Lorentz force on the charge carriers. Therefore, orbital longitudinal magnetoresistance is unexpected. Here we…