Ultrafast transverse thermoelectric response in c-axis inclined epitaxial La0.5
Sr0.5CoO3 thin films

Yu, L.; Wang, Y.; Zhang, P. X.; Habermeier, H.-U.

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Ultrafast transverse thermoelectric response in c-axis inclined epitaxial La_0.5Sr_0.5CoO₃ thin films

Yu, L., Wang, Y., Zhang, P. X., & Habermeier, H.-U. (2013). Ultrafast transverse thermoelectric response in c-axis inclined epitaxial La_0.5Sr_0.5CoO₃ thin films. physica status solidi (RRL), 7(3), 180-183.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-C415-D Version Permalink: https://hdl.handle.net/21.11116/0000-000E-C416-C

Genre: Journal Article

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Creators:
Yu, L.^{1, 2}, Author
Wang, Y.³, Author
Zhang, P. X.^{1, 4}, Author
Habermeier, H.-U.^{1, 2, 5}, Author

Affiliations:
1Scientific Facility Thin Film Technology (Gennady Logvenov), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370497
2Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370480
3Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370481
4Scientific Facility Crystal Growth (Masahiko Isobe), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370496
5Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370483

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Abstract: Ultrafast transverse thermoelectric voltage response has been observed in c-axis inclined epitaxial La0.5Sr0.5CoO3 thin films. Voltage signals with the rise time of 7 ns have been detected under the irradiation of pulse laser with duration of 28 ns. A concept, named response rate ratio, has been proposed to evaluate the intrinsic response rate, and this ratio in La0.5Sr0.5CoO3 is smaller than that in other reported materials. The low resistivity is thought to be responsible for the ultrafast response, as low resistivity induces small optical penetration depth, and response time has a monotonous increasing relationship with this depth. [GRAPHICS] . Transverse thermoelectric voltage with the rise time of 7 ns in La0.5Sr0.5CoO3 thin film. (C) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

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Language(s): eng - English

Dates: Date issued: 2013

Publication Status: Issued

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Rev. Type: Internal

Identifiers: eDoc: 672222
ISI: 000318069900003

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Title: physica status solidi (RRL)

Source Genre: Journal

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Pages: - Volume / Issue: 7 (3) Sequence Number: - Start / End Page: 180 - 183 Identifier: ISSN: 1862-6254