Nanoscale effects on thermodynamics and phase equilibria in oxide systems

A Navrotsky - ChemPhysChem, 2011 - Wiley Online Library
Because different solid materials (phases) have different surface energies, equilibria among
them will be significantly affected by particle size. This Minireview summarizes experimental …

Thermodynamics of high entropy oxides

SJ McCormack, A Navrotsky - Acta Materialia, 2021 - Elsevier
With the hype of “high entropy” alloys and more recently,“high entropy” ceramics and “high
entropy” oxides (HEOs), there has been a great push to investigate and characterize …

On the thermodynamic stability of nanocrystalline ceramics

RHR Castro - Materials letters, 2013 - Elsevier
Nanomaterials have intrigued the scientific community for many years due to their unique
and unexpected properties. Though the number of technological applications has …

Amorphous alumina nanoparticles: structure, surface energy, and thermodynamic phase stability

AH Tavakoli, PS Maram, SJ Widgeon… - The Journal of …, 2013 - ACS Publications
To provide a complete picture of the energy landscape of Al2O3 at the nanoscale, we
directed this study toward understanding the energetics of amorphous alumina (a-Al2O3). a …

Sintering and nanostability: the thermodynamic perspective

RHR Castro, D Gouvêa - Journal of the American Ceramic …, 2016 - Wiley Online Library
Sintering and nanostability (defined as the stability against sintering) are critical phenomena
present in the processing and application of nanoparticles. With important implications in …

Radiation tolerance of nanocrystalline ceramics: insights from yttria stabilized zirconia

S Dey, JW Drazin, Y Wang, JA Valdez, TG Holesinger… - Scientific reports, 2015 - nature.com
Materials for applications in hostile environments, such as nuclear reactors or radioactive
waste immobilization, require extremely high resistance to radiation damage, such as …

Surface thermodynamics of yttrium titanate pyrochlore nanomaterials

ME Reece, J Li, AC Strzelecki, J Wen, Q Zhang, X Guo - Nanoscale, 2024 - pubs.rsc.org
Nanocrystalline pyrochlore materials have been investigated for their enhanced radiation
tolerance as ceramic nuclear waste hosts. In this work, we study the thermodynamic driving …

Experimental approaches to the thermodynamics of ceramics above 1500 C

SV Ushakov, A Navrotsky - Journal of the American Ceramic …, 2012 - Wiley Online Library
Traditionally, the nuclear and aerospace industries have been the main drivers behind the
development of high‐temperature materials. These applications demand a high degree of …

Kinetics and thermodynamics of densification and grain growth: Insights from lanthanum doped zirconia

H Li, S Dey, RHR Castro - Acta Materialia, 2018 - Elsevier
The effect of dopants (or additives) on sintering is typically addressed from a mechanistic
and diffusivity perspective by focusing on how dopants affect those parameters. However, a …

Thermodynamics versus kinetics of grain growth control in nanocrystalline zirconia

N Nafsin, JA Aguiar, T Aoki, AM Thron, K Van Benthem… - Acta Materialia, 2017 - Elsevier
This work presents a thorough analysis of the grain growth behavior of gadolinium doped
yttria stabilized zirconia (YSZ). The effect of the dopant on the thermodynamics as well as on …