Nanoscale electronic devices based on transition metal dichalcogenides

Zhu, Wenjuan; Low, Tony; Wang, Han; Ye, Peide; Duan, Xiangfeng

doi:10.1088/2053-1583/ab1ed9

Cited by 63 publications

(44 citation statements)

References 188 publications

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“…Since these classic theories of tunneling through Schottky barriers are similar in their assumptions to theories of resonant tunneling, it does not seem unreasonable to assume that classic resonant tunneling is possible in 2D/3D heterostructures. In fact, the potential of layered vdW heterostructures to form RTDs has also been noted previously [23] and has been experimentally demonstrated by others [24], [25].…”

Section: Device Conceptsupporting

confidence: 65%

Electrical Control of Spin-Injection Using Mixed Dimensional van der Waals Heterostructures

Tiessen

Shi

2020

IEEE Trans. Nanotechnology

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We demonstrate that van der Waals heterostructures based on CrI 3 , MoS 2 and a 3D semiconductor source may allow for all electrical control of spin polarized carrier injection into MoS 2 . We demonstrate this possibility using a simple resonant tunneling device structure and model it using the transfer matrix method. Our results show that electrically controlled spin polarized carrier injection is theoretically possible at low device bias. Index Terms-2D materials, CrI 3 , MoS 2 , In x Ga 1-x N, GaN, mixed dimensional structures, spin-polarization, van der waals heterostructures. Junxia Shi (Senior Member, IEEE) received the Ph.D. degree in electrical engineering from Cornell University, Ithaca, NY, in 2010. She is currently an Associate Professor with the Department of Electrical and Computer Engineering, University of Illinois at Chicago. She has authored and coauthored more than 70 articles and patents. Her research focuses on advanced compound semiconductor materials and devices, including gallium nitride-based power and RF devices, group III-V terahertz photodetectors, and TMDC 2D nanostructure-based valleytronics, qubits, chemical and biological sensors, etc. Professor Shi is a Senior Member of the IEEE.

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Section: Device Conceptsupporting

confidence: 65%

Electrical Control of Spin-Injection Using Mixed Dimensional van der Waals Heterostructures

Tiessen

Shi

2020

IEEE Trans. Nanotechnology

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“…Other simulation work even predicts emission at several THz if classical RTDs are coupled to graphene plasmons in a transmission line arrangement [131]. While RTDs and other devices with negative differential resistance are being fabricated with van der Waals materials [132,133], we are not aware of any reports about experimental studies of THz emitters based on such devices.…”

Section: Resonant Tunneling Diodesmentioning

confidence: 95%

Roadmap of Terahertz Imaging 2021

Valušis

Lisauskas

Yuan

et al. 2021

Sensors

178

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In this roadmap article, we have focused on the most recent advances in terahertz (THz) imaging with particular attention paid to the optimization and miniaturization of the THz imaging systems. Such systems entail enhanced functionality, reduced power consumption, and increased convenience, thus being geared toward the implementation of THz imaging systems in real operational conditions. The article will touch upon the advanced solid-state-based THz imaging systems, including room temperature THz sensors and arrays, as well as their on-chip integration with diffractive THz optical components. We will cover the current-state of compact room temperature THz emission sources, both optolectronic and electrically driven; particular emphasis is attributed to the beam-forming role in THz imaging, THz holography and spatial filtering, THz nano-imaging, and computational imaging. A number of advanced THz techniques, such as light-field THz imaging, homodyne spectroscopy, and phase sensitive spectrometry, THz modulated continuous wave imaging, room temperature THz frequency combs, and passive THz imaging, as well as the use of artificial intelligence in THz data processing and optics development, will be reviewed. This roadmap presents a structured snapshot of current advances in THz imaging as of 2021 and provides an opinion on contemporary scientific and technological challenges in this field, as well as extrapolations of possible further evolution in THz imaging.

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“…Recently, TMDs with their unique crystal structures, superior properties, and exotic functionalities have drawn intense attention in applications for piezoelectric devices, [ 319–321 ] batteries, [ 322–324 ] electronic devices, [ 325,326 ] photocatalysis, [ 327–331 ] biomedicine, [ 332–334 ] and PEC sensing. [ 335,336 ] In this regard, 2D TMDs can play an important role in energy production in the future.…”

Section: Photoelectrochemical Properties Of Cuo Compositesmentioning

confidence: 99%

Photoelectrochemical Water‐Splitting Using CuO‐Based Electrodes for Hydrogen Production: A Review

et al. 2021

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The cost‐effective, robust, and efficient electrocatalysts for photoelectrochemical (PEC) water‐splitting has been extensively studied over the past decade to address a solution for the energy crisis. The interesting physicochemical properties of CuO have introduced this promising photocathodic material among the few photocatalysts with a narrow bandgap. This photocatalyst has a high activity for the PEC hydrogen evolution reaction (HER) under simulated sunlight irradiation. Here, the recent advancements of CuO‐based photoelectrodes, including undoped CuO, doped CuO, and CuO composites, in the PEC water‐splitting field, are comprehensively studied. Moreover, the synthesis methods, characterization, and fundamental factors of each classification are discussed in detail. Apart from the exclusive characteristics of CuO‐based photoelectrodes, the PEC properties of CuO/2D materials, as groups of the growing nanocomposites in photocurrent‐generating devices, are discussed in separate sections. Regarding the particular attention paid to the CuO heterostructure photocathodes, the PEC water splitting application is reviewed and the properties of each group such as electronic structures, defects, bandgap, and hierarchical structures are critically assessed.

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Nanoscale electronic devices based on transition metal dichalcogenides

Cited by 63 publications

References 188 publications

Electrical Control of Spin-Injection Using Mixed Dimensional van der Waals Heterostructures

Electrical Control of Spin-Injection Using Mixed Dimensional van der Waals Heterostructures

Roadmap of Terahertz Imaging 2021

Photoelectrochemical Water‐Splitting Using CuO‐Based Electrodes for Hydrogen Production: A Review

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