Polarized phonons carry angular momentum in ultrafast demagnetization

SR Tauchert, M Volkov, D Ehberger, D Kazenwadel… - Nature, 2022 - nature.com
Magnetic phenomena are ubiquitous in nature and indispensable for modern science and
technology, but it is notoriously difficult to change the magnetic order of a material in a rapid …

FCC-BCC phase transformation induced simultaneous enhancement of tensile strength and ductility at high strain rate in high-entropy alloy

YC Wu, JL Shao - International Journal of Plasticity, 2023 - Elsevier
FCC-BCC phase transformation-induced plasticity (TRIP) has been extensively studied in
high-entropy alloys (HEAs) to customize their mechanical properties through …

Mechanically derived short-range order and its impact on the multi-principal-element alloys

JB Seol, WS Ko, SS Sohn, MY Na, HJ Chang… - Nature …, 2022 - nature.com
Chemical short-range order in disordered solid solutions often emerges with specific heat
treatments. Unlike thermally activated ordering, mechanically derived short-range order …

Multi-principal elemental intermetallic nanoparticles synthesized via a disorder-to-order transition

M Cui, C Yang, S Hwang, M Yang, S Overa, Q Dong… - Science …, 2022 - science.org
Nanoscale multi-principal element intermetallics (MPEIs) may provide a broad and tunable
compositional space of active, high–surface area materials with potential applications such …

[HTML][HTML] Atomic scale processes of phase transformations in nanocrystalline NiTi shape-memory alloys

WS Ko, SB Maisel, B Grabowski, JB Jeon… - Acta Materialia, 2017 - Elsevier
Molecular dynamics simulations are performed to investigate temperature-and stress-
induced phase transformations in nanocrystalline nickel-titanium shape-memory alloys. Our …

Nanoindentation/scratching at finite temperatures: Insights from atomistic-based modeling

SZ Chavoshi, S Xu - Progress in Materials Science, 2019 - Elsevier
Atomistic-based multiscale and molecular dynamics modeling are powerful tools to simulate
the localized strain problems, offering tremendous opportunities to bridge the knowledge …

Grain size and scratching depth dependent tribological characteristics of CrCoNi medium-entropy alloy coatings: a molecular dynamics simulation study

J Zhang, G Deng, W Li, S Li, Y Yan, X Liu, T Ma… - Surface and Coatings …, 2023 - Elsevier
In this work, we have investigated the impact of grain size and scratching depth on the
tribological behavior of nanocrystalline CrCoNi medium-entropy alloy (MEA) coatings during …

Symmetric and asymmetric tilt grain boundary structure and energy in Cu and Al (and transferability to other fcc metals)

MA Tschopp, SP Coleman, DL McDowell - Integrating Materials and …, 2015 - Springer
Symmetric and asymmetric tilt grain boundaries in Cu and Al were generated using
molecular statics energy minimization in a classical molecular dynamics code with in-plane …

Influence of microstructure on the cutting behaviour of silicon

S Goel, A Kovalchenko, A Stukowski, G Cross - Acta Materialia, 2016 - Elsevier
We use molecular dynamics simulation to study the mechanisms of plasticity during cutting
of monocrystalline and polycrystalline silicon. Three scenarios are considered:(i) cutting a …