Carbon‐based materials for thermoelectrics

P Chakraborty, T Ma, AH Zahiri, L Cao… - … in Condensed Matter …, 2018 - Wiley Online Library
This article reviews the recent progress towards achieving carbon‐based thermoelectric
materials. A wide range of experimental and computational studies on carbon allotropes and …

Dislocation transmission across Σ3 {112} incoherent twin boundary: a combined atomistic and phase-field study

T Ma, H Kim, N Mathew, DJ Luscher, L Cao, A Hunter - Acta Materialia, 2022 - Elsevier
Grain boundaries (GBs) in polycrystalline materials act as impediments to dislocation motion
and result in strengthening. Understanding slip transmission through GBs, specifically twin …

The role of slow screw dislocations in controlling fast strain avalanche dynamics in body-centered cubic metals

Y Cui, G Po, P Srivastava, K Jiang, V Gupta… - International journal of …, 2020 - Elsevier
Plasticity in body centered cubic (BCC) crystals is shown to be controlled by slow screw
dislocation motion, owing to the thermally-activated process of kink pair nucleation and …

The influence of nano/micro sample size on the strain-rate sensitivity of plastic flow in tungsten

P Srivastava, K Jiang, Y Cui, E Olivera… - International Journal of …, 2021 - Elsevier
The plastic flow characteristics of body centered cubic metals, which is dominated by the
motion of screw dislocations, generally exhibits strong strain rate dependence. In-situ …

[HTML][HTML] Strong strain hardening in ultrafast melt-quenched nanocrystalline Cu: The role of fivefold twins

AH Zahiri, P Chakraborty, Y Wang, L Cao - Journal of Applied Physics, 2019 - pubs.aip.org
Nanocrystalline and nanotwinned metals exhibit ultrahigh strength but suffer from low
ductility due to the absence of the strain hardening effect. Here, we report sustained strong …

Molecular dynamic simulation of nanocrystal formation and tensile deformation of TiAl alloy

P Li, YQ Yang, Z Xia, X Luo, N Jin, Y Gao, G Liu - RSC advances, 2017 - pubs.rsc.org
The formation of nanocrystals from undercooling TiAl melt and deformation behavior of
nanocrystalline TiAl alloy under tensile loading conditions are investigated by molecular …

Dislocation core structure at finite temperature inferred by molecular dynamics simulations for 1, 3, 5-triamino-2, 4, 6-trinitrobenzene single crystal

P Lafourcade, C Denoual, JB Maillet - The Journal of Physical …, 2017 - ACS Publications
The dislocation core structures and elastic properties of the insensitive energetic molecular
crystal 1, 3, 5-triamino-2, 4, 6-trinitrobenzene (TATB) are investigated as a function of …

Effect of texture and grain size on the residual stress of nanocrystalline thin films

L Cao, A Sengupta, D Pantuso… - … and Simulation in …, 2017 - iopscience.iop.org
Residual stresses develop in thin film interconnects mainly as a result of deposition
conditions and multiple thermal loading cycles during the manufacturing flow …

Unravelling the Size‐Dependent Mechanical Properties of Nanocrystalline Face‐Centered‐Cubic Metals: From the Dislocation Point of View

Y Chen, H Li, G Sun, S Han… - Advanced Engineering …, 2022 - Wiley Online Library
The grain size dependence of strain rate sensitivity, apparent activation volume, and yield
stress of nanocrystalline (NC) face‐centered‐cubic metals (FCC) are modeled based on the …

Nonlinear absorptions of CdSeTe quantum dots under ultrafast laser radiation

Z Chai, Y Gao, D Kong, W Wu - Journal of Nanomaterials, 2016 - Wiley Online Library
The oil‐soluble alloyed CdSeTe quantum dots (QDs) are prepared by the electrostatic
method. The basic properties of synthesized CdSeTe QDs are characterized by UV‐Vis …