Graphene nanoribbon spin-photodetector

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August undefined, 2024

WebJun 3, 2024 · Dynamic Control of High-Range Photoresponsivity in a Graphene Nanoribbon Photodetector Nanoscale Res Lett. 2024 Jun 3;15(1) :124. doi ... This photoresponsivity is about two orders of magnitude higher compared to that of a previous graphene-based photodetector. The photodetector exhibits a wide-range tunability via … Webproperties.22–30 Graphene in its 1D form, the so called graphene nanoribbon (GNR), has also been intensively investigated as a promising material for realization of nanoelectronics and spintronic nanodevices.31–41 These features are due to graphe-ne's (hence GNRs') long spin relaxation and decoherence times

Graphene Nanoribbons based mid-infrared photodetectors

WebSep 26, 2024 · Generating highly spin-polarized current is one of the main quests in spintronics. The authors design and theoretically benchmark a spin-photovoltaic device … WebINIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. shows like the great pretender

Photodetectors based on graphene, other two-dimensional

WebAug 18, 2014 · OSTI.GOV Journal Article: Dual function armchair graphene nanoribbon-based spin-photodetector: Optical spin-valve and light helicity detector Journal Article: … WebSep 26, 2024 · We introduce a concept to generate spin-polarized currents in graphene nanoribbons by using light radiation and a significant electron-electron interaction. Webdynamics (MD) simulations indicate that twisting a graphene Single-layer graphene (SLG) was grown on copper foil at 950 nanoribbon leads to a tunable modi cation of the electrical C in the presence of 35 sccm of methane and 8 sccm of structure of graphene.16–20 The ability to change the physical hydrogen via chemical vapor deposition. shows like the good cop

Graphene-based polarization-sensitive longwave infrared …

Graphene/MoS2-Nanoribbons/Graphene Field-Effect …

WebJul 15, 2024 · Photodetectors with zigzag and armchair graphene nanoribbon channels and asymmetric source and drain contacts: detectors for visible and solar blind applications. J. Appl ... Dual function armchair graphene nanoribbon-based spin-photodetector: optical spin-valve and light helicity detector. Appl. Phys. Lett., 105 (2014), p. 072407. CrossRef ... shows like the good fightWebpatched graphene nanostripes to achieve photodetectors with high responsivity (0.6AW−1 at 0.8 mm and 11.5AW −1 at 20 mm) and ultrafast operation speed exceeding 50GHz from the visible to infrared regime [28]. Furthermore, a graphene nanoribbon spin-photodetector was presented by Zamani et al, possessing high quantum efﬁciency … shows like the great

"WebApr 7, 2024 · An excellent photodetector (PD) can recognize all the properties of light, including intensity, frequency, and polarization. PDs capable of detecting polarized light need a specific optical structure or crystal structure. Lately, perovskite was used in polarization-sensitive PDs due to its controllable orientation growth and crystal structure ... " - Graphene nanoribbon spin-photodetector

Graphene nanoribbon spin-photodetector

The spin-resolved I-V characteristics in P (a) and AP (b).

WebGraphene Nanoribbon Spin-Photodetector @article{Zamani2024GrapheneNS, title={Graphene Nanoribbon Spin-Photodetector}, author={Sara Zamani and Rouhollah Farghadan}, journal={Physical Review Applied}, year={2024} } S. Zamani, R. Farghadan; Published 26 September 2024; Physics; WebThe first important allowable spin-conserved transitions are marked. We set EF to zero. from publication: Graphene Nanoribbon Spin-Photodetector We introduce a concept to generate spin-polarized ...

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WebOct 11, 2009 · Graphene research so far has focused on electronic1,2,3,4,5,6 rather than photonic applications, in spite of its impressive optical properties7,8. These include its … WebFeb 3, 2024 · In the last decade, graphene photodetectors have been introduced and investigated in many works. In any photodetector, the separation of the photo-excited …

WebOct 16, 2013 · The manipulation of the spin configuration of graphene nanoribbon has been achieved experimentally by applying external magnetic fields 16. As can be seen, … WebJul 15, 2024 · 1. Introduction. The exploration of carbon-based nanomaterials began in the 1980s with the invention of fullerenes. After introducing graphene in 2004, the research …

WebGraphene Nanoribbon Spin-Photodetector. Article. Full-text available. Sep 2024; Sara Zamani. Rouhollah Farghadan. We introduce a concept to generate spin-polarized currents in graphene nanoribbons ... WebJun 3, 2024 · Dynamic Control of High-Range Photoresponsivity in a Graphene Nanoribbon Photodetector Nanoscale Res Lett. 2024 Jun 3;15(1) :124. doi ... This …

WebLarge area Raman mapping indicated high uniformity ({\textgreater}97\% coverage) of monolayer graphene with immeasurable defects ({\textgreater}95\% defect-negligible) across the entire wafer. Key to these results is the phase transition of evaporated copper films from amorphous to (111) preferred crystalline, which resulted in subsequent ...

WebWe demonstrate tunable graphene nanoribbon-based photodetector for the wavelength range 5–12 μm. We leverage the width dependence of bandgap in nanoribbons, and … shows like the hate u giveWebMay 2, 2024 · The photodetector consists of a deep-depletion SiO 2 /Si well sandwiched between single-layer graphene (SLG) on top of the structure (for direct field-effect … shows like the greenhouse academyWebFeb 18, 2024 · Graphene on the copper (Cu) foil grown by the CVD method (Hefei Microcrystalline Material Technology Co., Ltd) was used in the experiment. The polymethyl methacrylate (PMMA) photoresist was spin-coated on the graphene/Cu structure to act as the supporting layer of the graphene. The PMMA/graphene/Cu structure was split into 5 … shows like the hardy boysWebDec 22, 2024 · December 22, 2024. Researchers at Berkeley Lab and UC Berkeley have discovered how to directly measure the unique magnetic properties of superthin graphene nanoribbons. The breakthrough could lead to high-speed, low-power nanoscale data storage technologies. Scanning tunneling microscopy image of a zigzag graphene nanoribbon. shows like the have and have notsWebPreparation of B-doped graphene NPs and p-si/n-B-doped graphene diode In a typical synthesis of boron doped graphene NPs, 5 mL of carbon tetrachloride and 52 μL of boron tribromide were placed into 100 mL Teflon-lined stainless-steel autoclave, then 1.0 g of metallic potassium was rapidly added to the autoclave in an air-filled dry glove box. shows like the grimmWebGraphene nanoribbon spin-photodetector Sara Zamani and Rouhollah Farghadan Department of Physics, University of Kashan, Kashan,87317-53153, Iran (Dated: … shows like the hunger gamesWebWe introduce a concept to generate spin-polarized currents in graphene nanoribbons by using light radiation and a significant electron-electron interaction. For this purpose, we … shows like the great on hulu