Results 81 to 90 of about 4,656 (298)

Multiple thermal spin transport performances of graphene nanoribbon heterojuction co-doped with Nitrogen and Boron

open access: yesScientific Reports, 2017
Graphene nanoribbon is a popular material in spintronics owing to its unique electronic properties. Here, we propose a novel spin caloritronics device based on zigzag graphene nanoribbon (ZGNR), which is a heterojunction consisting of a pure single ...
Hai Huang   +6 more
doaj   +1 more source

Study of Electrical Properties of p-PbSe/p-Si Heterojunction [PDF]

open access: yesEngineering and Technology Journal, 2007
Electrical properties of p-PbSe/p-Si heterojunction detector have beeninvestigated. The electrical properties under dark condition show a rectifyingbehaviour with low rectification factor, and exhibits soft breakdown reversecurrent.C-V characteristics ...
Uday Nayef
doaj   +1 more source

Highly-mismatched InAs/InSe heterojunction diodes [PDF]

open access: yesApplied Physics Letters, 2016
We report on heterojunction diodes prepared by exfoliation and direct mechanical transfer of a p-type InSe thin film onto an n-type InAs epilayer. We show that despite the different crystal structures and large lattice mismatch (∼34%) of the component layers, the junctions exhibit rectification behaviour with rectification ratios of ∼104 at room ...
A. V. Velichko   +9 more
openaire   +5 more sources

Advances in Halide Perovskites for Photon Radiation Detectors

open access: yesAdvanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang   +3 more
wiley   +1 more source

On‐Chip Photonic Neural Network Architectures

open access: yesAdvanced Optical Materials, EarlyView.
This review presents a comprehensive overview of on‐chip photonic neural network architectures, covering key photonic building blocks, representative network types, and emerging applications. Recent advances, implementation challenges, and future directions are examined, highlighting the potential of integrated photonics to enable ultrafast, energy ...
Seokjin Hong   +7 more
wiley   +1 more source

Enhanced Operational Stability of Carbene‐Metal‐Amide Organic Light‐Emitting Diodes by Reducing Electron Accumulation on the Emitter

open access: yesAdvanced Optical Materials, EarlyView.
Carbene‐metal‐amide (CMA) organic LEDs suffer from poor stability despite submicrosecond excited‐state lifetimes. Here, we show that electron accumulation on CMA emitters triggers bond cleavage, while poor electron transport amplifies OLED instability.
Rishabh Saxena   +8 more
wiley   +1 more source

Cyclodextrin‐Functionalized Light‐Driven Cu2O Micromotors for Simultaneous Capture and Degradation of Bisphenol A

open access: yesAdvanced Robotics Research, EarlyView.
Fuel‐free Cu2O‐based micromotors functionalized with β‐cyclodextrin actively remove bisphenol A from water under visible light. The cyclodextrin shell captures BPA and enhances micromotor motility, leading to faster degradation and higher overall removal than nonfunctionalized Cu2O and Cu2O@Au.
Luisa Natalia Cordoba Urresti   +3 more
wiley   +1 more source

Bright Visible Light Extraction from Amorphous Silicon Nitride Heterojunction Pin Diode [PDF]

open access: yes, 2011
We report the transformation of an ordinary hydrogenated amorphous silicon nitride based heterojunction pin diode into a strong visible light emitting electroluminescent device.
M. Anutgan   +10 more
core   +1 more source

Model for petahertz optical memory based on a manipulation of the optical-field-induced current in dielectrics

open access: yesNew Journal of Physics, 2018
A new physical insight into the ultrafast information communication can be gained from the reversible and robust petahertz (PHz, 10 ^15 Hz) current induced by a strong few-cycle optical waveform in large band-gap dielectrics.
J D Lee, Youngjae Kim, Chil-Min Kim
doaj   +1 more source

Ionic liquid gel gate tunable p-Si/MoS2 heterojunction p-n diode

open access: yesAIP Advances, 2020
Monolayer MoS2 crystals investigated in this work were grown via chemical vapor deposition on Si/SiO2 substrates. Using a wet KOH etch, these crystals were transferred onto the edge of a freshly cleaved p-Si/SiO2 wafer where they formed mechanically ...
Kelotchi S. Figueroa   +4 more
doaj   +1 more source

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