The Experts below are selected from a list of 276 Experts worldwide ranked by ideXlab platform

J Bottiger - One of the best experts on this subject based on the ideXlab platform.

  • low temperature Superionic Conductivity in strained yttria stabilized zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

  • Low‐Temperature Superionic Conductivity in Strained Yttria‐Stabilized Zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

E Johnson - One of the best experts on this subject based on the ideXlab platform.

  • low temperature Superionic Conductivity in strained yttria stabilized zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

  • Low‐Temperature Superionic Conductivity in Strained Yttria‐Stabilized Zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

Michael Sillassen - One of the best experts on this subject based on the ideXlab platform.

  • low temperature Superionic Conductivity in strained yttria stabilized zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

  • Low‐Temperature Superionic Conductivity in Strained Yttria‐Stabilized Zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

Ulf Helmersson - One of the best experts on this subject based on the ideXlab platform.

  • low temperature Superionic Conductivity in strained yttria stabilized zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

  • Low‐Temperature Superionic Conductivity in Strained Yttria‐Stabilized Zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

Nini Pryds - One of the best experts on this subject based on the ideXlab platform.

  • low temperature Superionic Conductivity in strained yttria stabilized zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.

  • Low‐Temperature Superionic Conductivity in Strained Yttria‐Stabilized Zirconia
    Advanced Functional Materials, 2010
    Co-Authors: Michael Sillassen, Per Eklund, Nini Pryds, E Johnson, Ulf Helmersson, J Bottiger
    Abstract:

    Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order similar to 1 Omega(-1)cm(-1)) are observed at 500 degrees C for 58-nm-thick films on MgO. The results indicate a superposition of two parallel contributions - one due to bulk Conductivity and one attributable to conduction along the film substrate interface. Interfacial effects dominate the Conductivity at low temperatures (andlt;350 degrees C), showing more than three orders of magnitude enhancement compared to bulk YSZ. At higher temperatures, a more bulk-like Conductivity is observed. The films have a negligible grain-boundary network, thus ruling out grain boundaries as a pathway for ionic conduction. The observed enhancement in lateral ionic Conductivity is caused by a combination of misfit dislocation density and elastic strain in the interface. These very high ionic conductivities in the temperature range 150-500 degrees C are of great fundamental importance but may also be technologically relevant for low-temperature applications.