Molecular dynamics simulation study of deformation mechanisms in 3C–SiC during nanometric cutting at elevated temperatures

SZ Chavoshi, X Luo - Materials Science and Engineering: A, 2016 - Elsevier
Molecular dynamics (MD) simulation was employed in this study to elucidate the dislocation/
amorphization-based plasticity mechanisms in single crystal 3C–SiC during nanometric …

Stability and mobility of screw dislocations in 4H, 2H and 3C silicon carbide

L Pizzagalli - Acta Materialia, 2014 - Elsevier
Large-scale first-principles calculations were performed to determine the stability and
mobility properties of screw dislocations in common silicon carbide polytypes (4H, 2H and …

Generation and Termination of Stacking Faults by Inverted Domain Boundaries in 3C-SiC

M Zimbone, EG Barbagiovanni… - Crystal Growth & …, 2020 - ACS Publications
Domain boundaries (DBs) generated during the growth of cubic silicon carbide (3C-SiC) on
(001) Si and their interaction with stacking faults (SFs) were studied in this work. Direct …

Reaction pathway analysis for the conversion of perfect screw basal plane dislocation to threading edge dislocation in 4H-SiC

Y Tamura, H Sakakima, S Takamoto… - Japanese Journal of …, 2019 - iopscience.iop.org
Abstract 4H-SiC has gained attention as a material for advanced power devices. In this
paper, we investigate the surface effect on the conversion from screw-type basal plane …

Controlling planar defects in 3C-SiC: Ways to wake it up as a practical semiconductor

H Nagasawa, R Gurunathan… - Materials Science Forum, 2015 - Trans Tech Publ
Eelectrically active defects in 3C–SiC are investigated by considering the structures and
interactions of planar defects. An anti-phase boundary (APB) largely degrades the blocking …

Nature and Shape of Stacking Faults in 3C‐SiC by Molecular Dynamics Simulations

L Barbisan, A Sarikov, A Marzegalli… - … status solidi (b), 2021 - Wiley Online Library
Classical molecular dynamics simulations are used to investigate the 3D evolution of
stacking faults (SFs), including the partial dislocation (PD) loops enclosing them, during …

Reaction pathway analysis for the contraction of 4H-SiC partial-dislocations pair in the vicinity of surface

A Hirano, H Sakakima, A Hatano… - Japanese Journal of …, 2021 - iopscience.iop.org
In order to reduce harmful dislocations in the 4H-SiC substrate, the improvement technique
of basal plane dislocation-threading edge dislocation (BPD-TED) conversion ratio has been …

Molecular dynamics study on ductile behavior of SiC during nanoindentation

T Hanashiro, K Saitoh, T Sato, K Nishimura… - Tribology …, 2016 - jstage.jst.go.jp
In order to clarify the plastic deformation mechanism of silicon carbide in cubic phase (3C-
SiC), molecular dynamics (MD) simulations are performed on the nanoindentation using a …

Atomistic study of segregation and diffusion of yttrium and calcium cations near electrolyte surfaces in solid oxide fuel cells

Y Sun, S Hara - Journal of the European Ceramic Society, 2015 - Elsevier
Segregation behaviors of yttrium (Y) and calcium (Ca) cation dopant species near zirconia
(1 1 1) surfaces have been investigated utilizing atomistic simulations. The results reveal …

An investigation on the mechanics of nanometric cutting for hard-brittle materials at elevated temperatures

SZ Chavoshi - 2016 - stax.strath.ac.uk
Due to their exceptional physical and chemical properties such as high strength, high
thermal conductivity, high stability at high temperature, high resistance to shocks, low …