An all-perovskite p-n junction based on transparent conducting p-La1-xSrxCrO3 epitaxial layers
Abstract
Transparent, conducting p-La1-xSrxCrO3 epitaxial layers were deposited on Nb-doped SrTiO3(001) by oxygen-assisted molecular beam epitaxy to form structurally coherent p-n junctions. X-ray photoelectron spectroscopy reveals a type II or “staggered” band alignment, with valence and conduction band offsets of 2.0 eV and 0.9 eV, respectively. Diodes fabricated from these heterojunctions exhibit rectifying behavior, and the I-V characteristics are different from those for traditional semiconductor p-n junctions. A rather large ideality factor is ascribed to the complex nature of the interface.
- Authors:
-
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Nanjing Univ., Nanjing (China)
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Xiamen Univ., Xiamen (China)
- Publication Date:
- Research Org.:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1375367
- Alternate Identifier(s):
- OSTI ID: 1374210
- Report Number(s):
- PNNL-SA-124623
Journal ID: ISSN 0003-6951; 49306; KC0203020
- Grant/Contract Number:
- AC05-76RL01830; 10122
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Applied Physics Letters
- Additional Journal Information:
- Journal Volume: 111; Journal Issue: 6; Journal ID: ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Environmental Molecular Sciences Laboratory
Citation Formats
Du, Yingge, Li, Chen, Zhang, Kelvin H. L., McBriarty, Martin E., Spurgeon, Steven R., Mehta, Hardeep S., Wu, Di, and Chambers, Scott A. An all-perovskite p-n junction based on transparent conducting p-La1-xSrxCrO3 epitaxial layers. United States: N. p., 2017.
Web. doi:10.1063/1.4997410.
Du, Yingge, Li, Chen, Zhang, Kelvin H. L., McBriarty, Martin E., Spurgeon, Steven R., Mehta, Hardeep S., Wu, Di, & Chambers, Scott A. An all-perovskite p-n junction based on transparent conducting p-La1-xSrxCrO3 epitaxial layers. United States. https://doi.org/10.1063/1.4997410
Du, Yingge, Li, Chen, Zhang, Kelvin H. L., McBriarty, Martin E., Spurgeon, Steven R., Mehta, Hardeep S., Wu, Di, and Chambers, Scott A. Tue .
"An all-perovskite p-n junction based on transparent conducting p-La1-xSrxCrO3 epitaxial layers". United States. https://doi.org/10.1063/1.4997410. https://www.osti.gov/servlets/purl/1375367.
@article{osti_1375367,
title = {An all-perovskite p-n junction based on transparent conducting p-La1-xSrxCrO3 epitaxial layers},
author = {Du, Yingge and Li, Chen and Zhang, Kelvin H. L. and McBriarty, Martin E. and Spurgeon, Steven R. and Mehta, Hardeep S. and Wu, Di and Chambers, Scott A.},
abstractNote = {Transparent, conducting p-La1-xSrxCrO3 epitaxial layers were deposited on Nb-doped SrTiO3(001) by oxygen-assisted molecular beam epitaxy to form structurally coherent p-n junctions. X-ray photoelectron spectroscopy reveals a type II or “staggered” band alignment, with valence and conduction band offsets of 2.0 eV and 0.9 eV, respectively. Diodes fabricated from these heterojunctions exhibit rectifying behavior, and the I-V characteristics are different from those for traditional semiconductor p-n junctions. A rather large ideality factor is ascribed to the complex nature of the interface.},
doi = {10.1063/1.4997410},
journal = {Applied Physics Letters},
number = 6,
volume = 111,
place = {United States},
year = {Tue Aug 08 00:00:00 EDT 2017},
month = {Tue Aug 08 00:00:00 EDT 2017}
}
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Figures / Tables:
FIG. 1: XPS Sr 3d (a), Ti 2p (b), and Cr 2p (c, blue) spectra measured at normal emission for a 5 u.c. La0.88Sr0.12CrO3 (LSCO) film on Nb:STO(001). Reference Cr 2p spectra for phase-pure epitaxial films of LCO and SCO, along with a linear combination of the SCO (12% weight)more »
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