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Bi2Te3 photoconduct...
Bi2Te3 photoconductive detectors on Si
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- Liu, J. J. (author)
- Chinese Academy of Sciences
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- Li, Y. (author)
- Chinese Academy of Sciences
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- Song, Y. X. (author)
- Chinese Academy of Sciences
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- Ma, Y. J. (author)
- Chinese Academy of Sciences
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- Chen, Q. M. (author)
- Chinese Academy of Sciences
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- Zhu, Z. Y. S. (author)
- ShanghaiTech University,Chinese Academy of Sciences
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Lu, P. F. (author)
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- Wang, Shu Min, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- AIP Publishing, 2017
- 2017
- English.
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In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 110:14
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Abstract
Subject headings
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- The peculiar properties of the gapless surface states with a Dirac cone shaped energy dispersion in topological insulators (TIs) enable promising applications in photodetection with an ultra-broad band and polarization sensitivity. Since many TIs can be easily grown on silicon (Si) substrates, TIs on Si could make an alternative route for photon detection of Si photonics. We present good device performances of a Si-based single-crystal bismuth telluride (Bi2Te3) photoconductive detector. Room temperature photo responses to 1064 nm and 1550 nm light illumination were demonstrated. Linear dependences of the photocurrent on both the incident light power and the bias voltage were observed. The main device parameters including responsivity and quantum efficiency were extracted. Published by AIP Publishing.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Keyword
- Silicon
- Responsivity
- Thin-Films
- High
- BI2SE3
- SB2TE3
- Topological Insulator Film
- Ultrafast Graphene Photodetector
- Temperature
Publication and Content Type
- art (subject category)
- ref (subject category)
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