Graphene nanoribbon spin-photodetector

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August undefined, 2024

WebAug 19, 2014 · We show an armchair graphene nanoribbon channel connected between asymmetric ferromagnetic source-drain structure—i.e., p-type Co/Au/graphene source … WebAug 18, 2014 · OSTI.GOV Journal Article: Dual function armchair graphene nanoribbon-based spin-photodetector: Optical spin-valve and light helicity detector Journal Article: …

Graphene nanoribbon: An emerging and efficient flat

WebMar 24, 2016 · Illustration of a graphene nanoribbon with zigzag edges and the precursor molecules used in its manufacture. Electrons on the two zigzag edges display opposite directions of rotation (spin ... WebJul 1, 2024 · Graphene nanoribbon spin-photodetector. Phys. Rev. Appl. (2024) Xuechao Zhai et al. Valley-locked thermospin effect in silicene and germanene with asymmetric magnetic field induced by ferromagnetic proximity effect. Phys. Rev. B (2024) Xuechao Zhai et al. Valley–spin seebeck effect in heavy group-iv monolayers. can babies learn two languages at once

Graphene nanoribbon: An emerging and efficient flat molecular …

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. WebThere is an energy difference between spin orientations in the outer orbital of the nitrogen atom, which can be detected and used as a probe for the magnetism at the edges of the nanoribbon. “The edge states can be clearly visualized, even when the nanoribbons are adsorbed on gold.” Graphene nanoribbon Nitrogen atom Hydrogen atom Carbon atom 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 fishing bait bucket

A high performance N-doped graphene nanoribbon based …

Atomically precise graphene nanoribbons: interplay of …

WebApr 12, 2024 · By cutting graphene into a quasi-one-dimensional strip, a graphene nanoribbon (GNR), a bandgap can be opened through quantum confinement of the … WebOct 6, 2014 · c, Schematic illustration of a nanoribbon-array infrared photodetector. d , Photovoltage map of one of the nanostructured contacts, similar to the one shown in b . Colour scale runs from −4 μV ... fishing bait carp boilies \\u0026 pelletsWebGraphene 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; fishing bait buckets and riddles

"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 … " - Graphene nanoribbon spin-photodetector

Graphene nanoribbon spin-photodetector

Graphene/MoS2-Nanoribbons/Graphene Field-Effect …

WebSep 18, 2024 · STS revealed an electronic bandgap of 1.38 eV for this new graphene-like nanoribbon, and the lowest unoccupied and highest occupied states were mainly distributed around the four- and eight-membered rings, respectively. Recently, ... The spin state was preserved, while the magnetic anisotropy was modified depending on the … 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 …

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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 ... WebDec 1, 2016 · The structural and electronic properties of a hybrid of an armchair graphene nanotube and a zigzag graphene nanoribbon are investigated by first-principles spin-polarized calculations.

WebDec 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. WebFeb 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 …

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, … WebAug 13, 2024 · Furthermore, a graphene nanoribbon spin-photodetector was presented by Zamani et al, possessing high quantum efficiency with a maximum of approximately …

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 ...

WebPreparation 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. fishing bait carp boilies \u0026 pelletsWebDec 22, 2024 · A successful strategy for synthesizing a six-atom-wide graphene nanoribbon on a gold surface was proposed and tested in 2016 9. However, the magnetic edge states were not found using this set-up ... can babies move too much in the wombWebMar 12, 2015 · Abstract. In this work, a graphene quantum interference (QI) photodetector was simulated in two regimes of operation. The structure consists of a graphene nanoribbon, Mach-Zehnder interferometer (MZI), which exhibits a strongly resonant transmission of electrons of specific energies. In the first regime of operation (that of a … fishing bait brollyWebJul 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 … fishing bait boiliesWebLarge 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 ... fishing baitcasterWebINIS 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. fishing bait catapultWebWe 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 … fishing bait boat