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 …
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 …
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 …
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 …
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 …
present in the processing and application of nanoparticles. With important implications in …
Radiation tolerance of nanocrystalline ceramics: insights from yttria stabilized zirconia
Materials for applications in hostile environments, such as nuclear reactors or radioactive
waste immobilization, require extremely high resistance to radiation damage, such as …
waste immobilization, require extremely high resistance to radiation damage, such as …
Surface thermodynamics of yttrium titanate pyrochlore nanomaterials
Nanocrystalline pyrochlore materials have been investigated for their enhanced radiation
tolerance as ceramic nuclear waste hosts. In this work, we study the thermodynamic driving …
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 …
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 …
and diffusivity perspective by focusing on how dopants affect those parameters. However, a …
Thermodynamics versus kinetics of grain growth control in nanocrystalline zirconia
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 …
yttria stabilized zirconia (YSZ). The effect of the dopant on the thermodynamics as well as on …