Abstract The volumetric thermal expansion coefficient α V is discussed in relation to the bulk modulus B 0 for transition-metal disilicides (TrSi 2 ), alkaline-Earth metal (AeSi Mg Si, and Si clathrates. For this purpose, of CoSi at 300 K determined be 3.1 × 10 −5 −1 using powder X-ray diffraction measurements temperatures ranging from 835 K. AeSi have values 27.9 52.9 GPa, while range 3.2 4.8 ...

Lattice thermal conductivity of solid solutions based on cobalt monosilicide and monogermanide was studied. Electrical conductivities CoSi CoGe x Si 1-x (x=0.03 0.07) were experimentally measured in the temperature range 80-350 K. Phonon spectra calculated using ab initio lattice dynamics. The results calculations are good agreement with measurements obtained present work literature data. It sh...

Transition metal monosilicides CoSi, CoGe, RhSi, and RhGe in the chiral cubic B20 structure (the CoSi family) have recently been found to host unconventional fermions beyond spin-1/2 Weyl fermions, also exhibit exotic physical phenomena such as long Fermi arc surface states, gyrotropic magnetic effect, quantized circular photogalvanic effect. Thus, exploring novel spin-related transports these ...

Topological invariants in the band structure, such as Chern numbers, are crucial for classification of topological matters and dictate occurrence exotic properties, yet their direct spectroscopic determination has been largely limited to electronic bands. Here, we use inelastic neutron scattering conjunction with ab initio calculations identify a variety phonon crossings MnSi CoSi single crysta...

Abstract This study presents the first-principles phonon calculations to understand experimental thermal expansion ( ) and lattice conductivity $(\kappa_{L})$ of CoSi in high temperature region. Phonon dispersion is computed using finite displacement method supercell approach by taking equilibrium crystal structures obtained from DFT. The calculation done under quasi-harm...

Open-source-software (OSS) becomes more and more used in software products developed by the industry. The motivation for this can e.g. be to reduce development/maintenance costs and to shorten time-to-market. There are several technical methods for selecting and evaluating OTS (Off-the-Shelf) components, but research shows that these methods are rarely used. OTS components come in two types: CO...