Anomalous lattice expansion in yttria stabilized zirconia under simultaneous applied electric and thermal fields: A time-resolved in situ energy dispersive x-ray …

EK Akdoğan, İ Şavklıyıldız, H Biçer, W Paxton… - Journal of Applied …, 2013 - pubs.aip.org
Nonisothermal densification in 8% yttria doped zirconia (8YSZ) particulate matter of 250 nm
median particle size was studied under 215 V/cm dc electric field and 9 C/min heating rate …

[HTML][HTML] Current-driven nanowire formation on surfaces of crystalline conducting substrates

A Kumar, D Dasgupta, C Dimitrakopoulos… - Applied Physics …, 2016 - pubs.aip.org
The formation and precise manipulation of nanoscale features by controlling macroscopic
forces is essential to advancing nanotechnology. Toward this end, we report here a …

Analysis of current-driven oscillatory dynamics of single-layer homoepitaxial islands on crystalline conducting substrates

D Dasgupta, A Kumar, D Maroudas - Surface Science, 2018 - Elsevier
We report results of a systematic study on the complex oscillatory current-driven dynamics of
single-layer homoepitaxial islands on crystalline substrate surfaces and the dependence of …

Interplay of surface and bulk elasticity in morphological stability of ultra-thin film coatings

G Shuvalov, S Kostyrko, H Altenbach - Continuum Mechanics and …, 2024 - Springer
This paper explores the interplay of surface and bulk elasticity on the evolution of surface
relief within nanosized thin-film coatings, driven by the relaxation of misfit stresses through …

Complex pattern formation from current-driven dynamics of single-layer homoepitaxial islands on crystalline conducting substrates

A Kumar, D Dasgupta, D Maroudas - Physical Review Applied, 2017 - APS
We report a systematic study of complex pattern formation resulting from the driven
dynamics of single-layer homoepitaxial islands on surfaces of face-centered-cubic (fcc) …

[HTML][HTML] Weakly nonlinear theory of secondary rippling instability in surfaces of stressed solids

L Du, D Dasgupta, D Maroudas - Journal of Applied Physics, 2015 - pubs.aip.org
Numerical simulations of the surface morphological evolution of uniaxially stressed elastic
crystalline solids have demonstrated that in addition to Asaro-Tiller/Grinfeld (surface …

Stabilization of the surface morphology of stressed solids using thermal gradients

L Du, D Dasgupta, D Maroudas - Applied Physics Letters, 2014 - pubs.aip.org
We examine the surface morphological stability of thermally conducting crystalline elastic
solids in uniaxial tension under the action of a temperature gradient. We use linear stability …

[HTML][HTML] Surface nanopattern formation due to current-induced homoepitaxial nanowire edge instability

A Kumar, D Dasgupta, D Maroudas - Applied Physics Letters, 2016 - pubs.aip.org
Physical nanopatterning based on a precise control of macroscopic forcing is an essential
tool of nanoscale science and technology. Using an externally applied electric field as the …

Stabilization of the surface morphology of stressed solids using simultaneously applied electric fields and thermal gradients

L Du, D Dasgupta, D Maroudas - Journal of Applied Physics, 2014 - pubs.aip.org
We analyze the surface morphological stability of bulk conducting face-centered cubic (fcc)
crystalline solids in uniaxial tension under the simultaneous action of an electric field and a …

The effect of a thermal gradient on the electromigration-driven surface morphological stabilization of an epitaxial thin film on a compliant substrate

GI Sfyris, D Dasgupta, D Maroudas - Journal of Applied Physics, 2013 - pubs.aip.org
We report a theoretical analysis on the surface morphological stability of a coherently
strained thin film that has been grown epitaxially on a deformable substrate and is …