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|a 10.1002/adma.202307779
|2 doi
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|a pubmed24n1248.xml
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|a (DE-627)NLM365007978
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|a (NLM)38009587
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Chen, Wei
|e verfasserin
|4 aut
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|a Manipulating Surface Band Bending of III-Nitride Nanowires with Ambipolar Charge-Transfer Characteristics
|b A Pathway Toward Advanced Photoswitching Logic Gates and Encrypted Optical Communication
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 04.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a The operational principle of semiconductor devices critically relies on the band structures that ultimately govern their charge-transfer characteristics. Indeed, the precise orchestration of band structure within semiconductor devices, notably at the semiconductor surface and corresponding interface, continues to pose a perennial conundrum. Herein, for the first time, this work reports a novel postepitaxy method: thickness-tunable carbon layer decoration to continuously manipulate the surface band bending of III-nitride semiconductors. Specifically, the surface band bending of p-type aluminum-gallium-nitride (p-AlGaN) nanowires grown on n-Si can be precisely controlled by depositing different carbon layers as guided by theoretical calculations, which eventually regulate the ambipolar charge-transfer behavior between the p-AlGaN/electrolyte and p-AlGaN/n-Si interface in an electrolyte environment. Enabled by the accurate modulation of the thickness of carbon layers, a spectrally distinctive bipolar photoresponse with a controllable polarity-switching-point over a wide spectrum range can be achieved, further demonstrating reprogrammable photoswitching logic gates "XOR", "NAND", "OR", and "NOT" in a single device. Finally, this work constructs a secured image transmission system where the optical signals are encrypted through the "XOR" logic operations. The proposed continuous surface band tuning strategy provides an effective avenue for the development of multifunctional integrated-photonics systems implemented with nanophotonics
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|a Journal Article
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|a III-nitride nanowires
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|a bipolar photoresponse
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|a encrypted optical communication
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|a photoswitching logic gates
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|a surface band bending
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|a Wang, Danhao
|e verfasserin
|4 aut
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|a Wang, Weiyi
|e verfasserin
|4 aut
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|a Kang, Yang
|e verfasserin
|4 aut
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|a Liu, Xin
|e verfasserin
|4 aut
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|a Fang, Shi
|e verfasserin
|4 aut
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|a Li, Liuan
|e verfasserin
|4 aut
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|a Luo, Yuanmin
|e verfasserin
|4 aut
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|a Liang, Kun
|e verfasserin
|4 aut
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|a Liu, Yuying
|e verfasserin
|4 aut
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|a Luo, Dongyang
|e verfasserin
|4 aut
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|a Memon, Muhammad Hunain
|e verfasserin
|4 aut
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|a Yu, Huabin
|e verfasserin
|4 aut
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| 700 |
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|a Gu, Wengang
|e verfasserin
|4 aut
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|a Liu, Zhenghui
|e verfasserin
|4 aut
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|a Hu, Wei
|e verfasserin
|4 aut
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|a Sun, Haiding
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 1 vom: 01. Jan., Seite e2307779
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:1
|g day:01
|g month:01
|g pages:e2307779
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|u http://dx.doi.org/10.1002/adma.202307779
|3 Volltext
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