Structural and thermoelectric properties of Bi 2 Sr 2 Co 2 Oy thin films on LaAlO 3 (100) and fused silica substrates

Shufang Wang, A. Venimadhav, Shengming Guo, Ke Chen, Qi Li, A. Soukiassian, Darrell G. Schlom, Michael B. Katz, X. Q. Pan, Winnie Wong-Ng, Mark D. Vaudin, X. X. Xi

Research output: Contribution to journalArticle

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Abstract

We have grown Bi 2 Sr 2 Co 2 Oy thin films on LaAlO 3 (100) and fused silica substrates by pulsed laser deposition. The films on LaAlO 3 are c -axis oriented and partially in-plane aligned with multiple domains, while the films on fused silica are preferred c -axis oriented without in-plane alignment. The Seebeck coefficient and resistivity of films on both substrates are comparable to those of single crystals. An oxide p-n heterojunction was formed by depositing Bi 2 Sr 2 Co 2 Oy film on Nb-doped SrTiO 3 single crystal, which showed a rectifying behavior. These thin films and heterostructures may be used for future thermoelectric applications.

Original languageEnglish (US)
Article number022110
JournalApplied Physics Letters
Volume94
Issue number2
DOIs
StatePublished - Jan 23 2009

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silicon dioxide
thin films
single crystals
Seebeck effect
pulsed laser deposition
heterojunctions
alignment
electrical resistivity
oxides

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Wang, Shufang ; Venimadhav, A. ; Guo, Shengming ; Chen, Ke ; Li, Qi ; Soukiassian, A. ; Schlom, Darrell G. ; Katz, Michael B. ; Pan, X. Q. ; Wong-Ng, Winnie ; Vaudin, Mark D. ; Xi, X. X. / Structural and thermoelectric properties of Bi 2 Sr 2 Co 2 Oy thin films on LaAlO 3 (100) and fused silica substrates In: Applied Physics Letters. 2009 ; Vol. 94, No. 2.
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abstract = "We have grown Bi 2 Sr 2 Co 2 Oy thin films on LaAlO 3 (100) and fused silica substrates by pulsed laser deposition. The films on LaAlO 3 are c -axis oriented and partially in-plane aligned with multiple domains, while the films on fused silica are preferred c -axis oriented without in-plane alignment. The Seebeck coefficient and resistivity of films on both substrates are comparable to those of single crystals. An oxide p-n heterojunction was formed by depositing Bi 2 Sr 2 Co 2 Oy film on Nb-doped SrTiO 3 single crystal, which showed a rectifying behavior. These thin films and heterostructures may be used for future thermoelectric applications.",
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Wang, S, Venimadhav, A, Guo, S, Chen, K, Li, Q, Soukiassian, A, Schlom, DG, Katz, MB, Pan, XQ, Wong-Ng, W, Vaudin, MD & Xi, XX 2009, ' Structural and thermoelectric properties of Bi 2 Sr 2 Co 2 Oy thin films on LaAlO 3 (100) and fused silica substrates ', Applied Physics Letters, vol. 94, no. 2, 022110. https://doi.org/10.1063/1.3072803

Structural and thermoelectric properties of Bi 2 Sr 2 Co 2 Oy thin films on LaAlO 3 (100) and fused silica substrates . / Wang, Shufang; Venimadhav, A.; Guo, Shengming; Chen, Ke; Li, Qi; Soukiassian, A.; Schlom, Darrell G.; Katz, Michael B.; Pan, X. Q.; Wong-Ng, Winnie; Vaudin, Mark D.; Xi, X. X.

In: Applied Physics Letters, Vol. 94, No. 2, 022110, 23.01.2009.

Research output: Contribution to journalArticle

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AU - Wang, Shufang

AU - Venimadhav, A.

AU - Guo, Shengming

AU - Chen, Ke

AU - Li, Qi

AU - Soukiassian, A.

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AU - Katz, Michael B.

AU - Pan, X. Q.

AU - Wong-Ng, Winnie

AU - Vaudin, Mark D.

AU - Xi, X. X.

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