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240114s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202305709
|2 doi
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|a pubmed24n1373.xml
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|a (DE-627)NLM366978918
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|a (NLM)38207342
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Ma, Suping
|e verfasserin
|4 aut
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|a Negative Photoconductivity of Fe3GeTe2 Crystal with Native Heterostructure for Ultraviolet to Terahertz Ultra-Broadband Photodetection
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 11.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Gaining insight into the photoelectric behavior of ferromagnetic materials is significant for comprehensively grasping their intrinsic properties and broadening future application fields. Here, through a specially designed Fe3GeTe2/O-Fe3GeTe2 heterostructure, first, the broad-spectrum negative photoconductivity phenomenon of ferromagnetic nodal line semimetal Fe3GeTe2 is reported that covers UV-vis-infrared-terahertz bands (355 nm to 3000 µm), promising to compensate for the inadequacies of traditional optoelectronic devices. The significant suppression of photoexcitation conductivity is revealed to arise from the semimetal/oxidation (sMO) interface-assisted dual-response mechanism, in which the electron excitation origins from the semiconductor photoconductivity effect in high-energy photon region, and semimetal topological band-transition in low-energy photon region. High responsivities ranging from 103 to 100 mA W-1 are acquired within ultraviolet-terahertz bands under ±0.1 V bias voltage at room temperature. Notably, the responsivity of 2.572 A W-1 at 3000 µm (0.1 THz) and the low noise equivalent power of 26 pW Hz-1/2 surpass most state-of-the-art mainstream terahertz detectors. This research provides a new perspective for revealing the photoelectric conversion properties of Fe3GeTe2 crystal and paves the way for the development of spin-optoelectronic devices
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|a Journal Article
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|a Fe3GeTe2/O‐Fe3GeTe2
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|a high responsivity
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|a negative photoconductivity
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|a photodetector
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|a ultra‐broadband
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1 |
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|a Li, Guanghao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Zhuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Tingyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yawen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Ningning
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Haisheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Nan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Weiwei
|e verfasserin
|4 aut
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| 700 |
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|a Huang, Yi
|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), 15 vom: 01. Apr., Seite e2305709
|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:15
|g day:01
|g month:04
|g pages:e2305709
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|u http://dx.doi.org/10.1002/adma.202305709
|3 Volltext
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