Probing liquid/solid interfaces at the molecular level

F Zaera - Chemical reviews, 2012 - ACS Publications
The ability to obtain a molecular-level understanding of the chemistry that takes place at
liquid/solid interfaces is key to the development and improvement of many chemical and …

Orientation and phase mapping in the transmission electron microscope using precession‐assisted diffraction spot recognition: state‐of‐the‐art results

D Viladot, M Véron, M Gemmi, F Peiró… - Journal of …, 2013 - Wiley Online Library
A recently developed technique based on the transmission electron microscope, which
makes use of electron beam precession together with spot diffraction pattern recognition …

In situ transmission electron microscopy of crystal growth-mode transitions during rapid solidification of a hypoeutectic Al–Cu alloy

JT McKeown, AK Kulovits, C Liu, K Zweiacker… - Acta Materialia, 2014 - Elsevier
The rapid solidification dynamics of a pulsed-laser-melted hypoeutectic Al–Cu thin-film alloy
were monitored using in situ transmission electron microscopy with high spatial and …

Rapid solidification growth mode transitions in Al-Si alloys by dynamic transmission electron microscopy

JD Roehling, DR Coughlin, JW Gibbs, JK Baldwin… - Acta Materialia, 2017 - Elsevier
In situ dynamic transmission electron microscope (DTEM) imaging of Al-Si thin-film alloys
was performed to investigate rapid solidification behavior. Solidification of alloys with …

Time-resolved in situ measurements during rapid alloy solidification: Experimental insight for additive manufacturing

JT McKeown, K Zweiacker, C Liu, DR Coughlin… - Jom, 2016 - Springer
Additive manufacturing (AM) of metals and alloys is becoming a pervasive technology in
both research and industrial environments, though significant challenges remain before …

Orientation gradients in rapidly solidified pure aluminum thin films: comparison of experiments and phase-field crystal simulations

P Jreidini, T Pinomaa, JMK Wiezorek, JT McKeown… - Physical review …, 2021 - APS
Rapid solidification experiments on thin film aluminum samples reveal the presence of
lattice orientation gradients within crystallizing grains. To study this phenomenon, a single …

Approaches for ultrafast imaging of transient materials processes in the transmission electron microscope

T LaGrange, BW Reed, MK Santala, JT McKeown… - Micron, 2012 - Elsevier
The growing field of ultrafast materials science, aimed at exploring short-lived transient
processes in materials on the microsecond to femtosecond timescales, has spawned the …

Composition and automated crystal orientation mapping of rapid solidification products in hypoeutectic Al-4 at.% Cu alloys

KW Zweiacker, C Liu, MA Gordillo, JT McKeown… - Acta Materialia, 2018 - Elsevier
Rapid solidification can produce metastable phases and unusual microstructure
modifications in multi-component alloys during additive manufacturing or laser beam …

Imaging transient solidification behavior

JT McKeown, AJ Clarke, JMK Wiezorek - Mrs Bulletin, 2020 - cambridge.org
Solidification processing offers the first opportunity to control microstructure, properties, and
performance in metallic alloy components. Until recently, microstructural evaluations were …

[HTML][HTML] Time resolved electron microscopy for in situ experiments

GH Campbell, JT McKeown, MK Santala - Applied Physics Reviews, 2014 - pubs.aip.org
Transmission electron microscopy has functioned for decades as a platform for in situ
observation of materials and processes with high spatial resolution. Yet, the dynamics often …