Local lattice instability analysis on mode I crack tip in β-SiC: Characteristics in binary covalent crystal
Sign Up to like & getrecommendations! Published in 2018 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2018.01.047
Abstract: Abstract Local lattice instability analysis based on the atomic elastic stiffness (AES), B ij α = Δ σ i α / Δ e j ( i , j = 1 – 6 in Voigt notation),… read more here.
Keywords: local lattice; instability analysis; crack tip; lattice instability ... See more keywords
Phase field approach for stress- and temperature-induced phase transformations that satisfies lattice instability conditions. Part I. General theory
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Plasticity"
DOI: 10.1016/j.ijplas.2018.03.007
Abstract: Abstract Recently, results of molecular dynamics (MD) simulations were obtained for the crystal lattice instability conditions for the phase transformations (PTs) between semiconducting Si I and metallic Si II under action of all six components… read more here.
Keywords: phase transformations; field approach; phase field; lattice instability ... See more keywords
Lattice Instability and Ultralow Lattice Thermal Conductivity of Layered PbIF.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c01135
Abstract: Understanding the interplay between various design strategies (for instance, bonding heterogeneity and lone pair induced anharmonicity) to achieve ultralow lattice thermal conductivity (κl) is indispensable for discovering novel functional materials for thermal energy applications. In… read more here.
Keywords: lattice thermal; bonding heterogeneity; lattice instability; ultralow lattice ... See more keywords
The origin of lattice instability in bcc tungsten under triaxial loading
Sign Up to like & getrecommendations! Published in 2017 at "Philosophical Magazine"
DOI: 10.1080/14786435.2017.1363424
Abstract: Abstract Stability of ideal bcc tungsten crystal under triaxial tensile loading was explored from first principles using an analysis of both elastic and dynamic stability. The triaxial stress state was considered as a superposition of… read more here.
Keywords: origin lattice; bcc tungsten; lattice instability; stress ... See more keywords
Elastic model for stress–tensor-induced martensitic transformation and lattice instability in silicon under large strains
Sign Up to like & getrecommendations! Published in 2017 at "Materials Research Letters"
DOI: 10.1080/21663831.2017.1362054
Abstract: ABSTRACT Recent molecular dynamics simulations for phase transformations (PTs) Si ISi II under multiaxial loading revealed that lattice instability criteria for Si ISi II PTs are linear in the stresses normal to the cubic faces;… read more here.
Keywords: lattice instability; model; stress; martensitic transformation ... See more keywords
Lattice instability and enhancement of superconductivity in YB 6
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.144501
Abstract: The superconducting and normal state characteristics of yttrium hexaboride (YB$_6$) have been investigated for the single crystals with a transition temperatures $T_c$ ranging between 6 K and 7.6 K. The extracted set of microscopic parameters… read more here.
Keywords: instability; lattice instability; instability enhancement; enhancement superconductivity ... See more keywords
Defects and Lattice Instability in Doped Lead-Based Perovskite Antiferroelectrics: Revisited
Sign Up to like & getrecommendations! Published in 2020 at "Crystals"
DOI: 10.3390/cryst10060501
Abstract: This paper is a summary of earlier results that have been completed with recent investigations on the nature and sequence of phase transitions evolving in the antiferroelectric PbZrO3 single crystals doped with niobium and Pb(Zr0.70Ti0.30)O3… read more here.
Keywords: phase; phase transitions; instability doped; lattice instability ... See more keywords