Pressure effect on ionic conductivity in yttrium-oxide-doped single-crystal zirconium oxide

Park, E.T.; Park, J.H.

doi:10.2172/656718

Cited by 4 publications

(1 citation statement)

References 1 publication

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“…Where E is the Young module, 𝜈 is the Poisson coefficient and 𝑓 1,2 is the lattice mismatch 2 between phase 1 and 2. ∆𝑉 𝑉 𝑂 .. is the migration volume of the oxygen vacancy, which is positive and has been estimated around 2.08 cm 3 /mol [96]. The relation predicts an enhancement of conductivity at 500°C of almost 2 orders of magnitude for a strain of 2%.…”

Section: The Strain Effect On Ion Mobilitymentioning

confidence: 91%

Nanoionics and interfaces for energy and information technologies

Chiabrera

Garbayo

Tarancón

2018

Metal Oxide-Based Thin Film Structures

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Section: The Strain Effect On Ion Mobilitymentioning

confidence: 91%

Nanoionics and interfaces for energy and information technologies

Chiabrera

Garbayo

Tarancón

2018

Metal Oxide-Based Thin Film Structures

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Influence of interface structure on mass transport in phase boundaries between different ionic materials

et al. 2009

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Internal and external interfaces in solids exhibit completely different transport properties compared to the bulk. Transport parallel to grain or phase boundaries is usually strongly enhanced. Transport perpendicular to an interface is usually blocked, i.e., transport across an interface is often much slower. Due to the high density of interfaces in modern micro- and nanoscaled devices, a severe influence on the total transport properties can be expected. In contrast to diffusion in metal grain boundaries, transport phenomena in boundaries of ionic materials are still less understood. The specific transport properties along metal grain boundaries are explained by structural factors like packing densities or dislocation densities in the interface region. In most studies dealing with ionic materials, the interfacial transport properties are merely explained by the influence of space charge regions. In this study the influence of the interface structure on the interfacial transport properties of ionic materials is discussed in analogy to metallic materials. A qualitative model based on the density of misfit dislocations and on interfacial strain is introduced for (untilted and untwisted) phase boundaries. For experimental verification, the interfacial ionic conductivity of different multilayer systems consisting of stabilised ZrO2 and an insulating oxide is investigated as a funtion of structural mismatch. As predicted by the model, the interfacial conductivity increases when the lattice mismatch is increased.Graphical abstract

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On the variability of reported ionic conductivity in nanoscale YSZ thin films

Jiang

Hertz

2013

J Electroceram

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Pressure effect on ionic conductivity in yttrium-oxide-doped single-crystal zirconium oxide

Cited by 4 publications

References 1 publication

Nanoionics and interfaces for energy and information technologies

Nanoionics and interfaces for energy and information technologies

Influence of interface structure on mass transport in phase boundaries between different ionic materials

On the variability of reported ionic conductivity in nanoscale YSZ thin films

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