Related Experiment Video
Updated: Feb 7, 2026
11:23
A Multilayer Microfluidic Platform for the Conduction of Prolonged Cell-Free Gene Expression
Published on: October 6, 2019
10.8K
Epitaxial 8YSZ/Y2Zr2O7 multilayers: a conductivity and strain study
Elisa Gilardi1, Giuliano Gregori, Joachim Maier
1Max Planck Institute for Solid State Research, Stuttgart, Germany. elisa.gilardi@psi.ch.
Physical Chemistry Chemical Physics : PCCP
|July 20, 2018
Summary
Yttria-stabilized zirconia (YSZ) thin films exhibit ionic conductivity unaffected by microstructure or compressive strain. Grain boundaries and strain fields minimally impede oxygen vacancy transport in these advanced ceramic materials.
Area of Science:
- Solid-state chemistry
- Materials science
- Ceramic electrolytes
Background:
- Yttria-stabilized zirconia (YSZ) is a key material for solid oxide fuel cells (SOFCs).
- Understanding ionic transport in YSZ thin films is crucial for developing advanced energy devices.
- Microstructure and strain effects on conductivity require further investigation.
Purpose of the Study:
- To investigate the ionic conductivity of Y2Zr2O7 thin films.
- To determine the influence of microstructure (epitaxial vs. textured) on ionic transport.
- To evaluate the impact of compressive strain in YSZ multilayers on electrical properties.
Main Methods:
- Pulsed laser deposition (PLD) for thin film and multilayer fabrication.
- Electrical impedance spectroscopy (EIS) for conductivity measurements.
- X-ray diffraction (XRD) analysis for structural and strain characterization.
Main Results:
- Ionic conductivity of Y2Zr2O7 films was largely independent of microstructure.
- Grain boundaries showed minimal blocking of oxygen vacancy transport.
- Compressive strain in YSZ multilayers did not significantly affect ionic conductivity.
Conclusions:
- Microstructure and grain boundaries have a minor impact on oxygen vacancy transport in Y2Zr2O7.
- Residual compressive strain does not impede ionic transport in YSZ multilayers.
- YSZ thin films offer promising ionic conductivity for energy applications.
Related Concept Videos
01:19Conduction System of the Heart
13.5K
Autorhythmicity is a term that refers to the heart's inherent ability to generate electrical signals and instigate muscle contractions. This self-regulating conduction system within the heart consists of two key components: the pacemaker cells and specialized conducting cells.
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
13.5K
01:20Conduction System of the Heart
3.9K
The cardiac conduction system produces and transmits electrical impulses that prompt myocardial contraction, ensuring efficient heart function. This intricate system ensures that the heart beats in a coordinated and efficient manner, beginning with the atria and then the ventricles. The conduction system optimizes cardiac output by maintaining this precise sequence, which is crucial for adequate blood circulation.
This system relies on the unique properties of nodal and Purkinje cells:...
This system relies on the unique properties of nodal and Purkinje cells:...
3.9K
01:28Conduct Disorder
587
Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
587
01:13Electrical Conductivity
1.8K
In perfect conductors, the electric field inside is always zero due to the abundance of free electrons, which nullify any field by flowing. As a result, any residual charge resides on the surface.
In a practical conductor, an applied electric field may be sustained, causing a flow of electrons, which produce a current. The differential form of the current, the current density, is related to the electric field.
More generally, it is related to the force per unit charge, which involves the...
In a practical conductor, an applied electric field may be sustained, causing a flow of electrons, which produce a current. The differential form of the current, the current density, is related to the electric field.
More generally, it is related to the force per unit charge, which involves the...
1.8K
01:25Resistance and Conductance
518
A conductor's DC resistance at a given temperature is influenced by its resistivity, length, and cross-sectional area. Resistivity is an inherent property of the conductor material, with annealed copper serving as the international standard for measurement. For instance, the resistivity of hard-drawn aluminum at 20 degrees Celsius is 61% of the standard conductivity of annealed copper.
Various factors impact the resistance of a conductor. Spiraling in stranded conductors increases their...
Various factors impact the resistance of a conductor. Spiraling in stranded conductors increases their...
518
01:19Thermal Strain
2.9K
Thermal strain is a concept that arises when we consider how temperature changes affect structures. Unlike the conventional assumption that structures remain constant under load, real-world scenarios often involve temperature fluctuations that can significantly impact these structures. Consider a homogeneous rod with a uniform cross-section resting freely on a flat horizontal surface. If the rod's temperature increases, the rod elongates. This elongation is proportional to the temperature...
2.9K