Results 81 to 90 of about 86,621 (303)

Recent Progress of Black Silicon: From Fabrications to Applications

open access: yesNanomaterials, 2020
Since black silicon was discovered by coincidence, the special material was explored for many amazing material characteristics in optical, surface topography, and so on.
Zheng Fan   +9 more
doaj   +1 more source

Double acid etching treatment of dental implants for enhanced biological properties [PDF]

open access: yes, 2018
Background: The topographical features on the surface of dental implants have been considered as a critical parameter for enhancing the osseointegration of implants.
Delgado, Luis M.   +6 more
core   +2 more sources

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

open access: yesAdvanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa   +19 more
wiley   +1 more source

On the link between electron shadowing and charging damage [PDF]

open access: yes, 1997
Charging and topography evolution simulations during plasma etching of high aspect ratio line-and-space patterns reveal that electron shadowing of the sidewalls critically affects charging damage.
Giapis, Konstantinos P.   +1 more
core   +2 more sources

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

open access: yesAdvanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner   +14 more
wiley   +1 more source

Highlights of 10th plasma chemistry meeting [PDF]

open access: yes
The chemical structure is given of a film formed by plasma polymerization from pyridine monomers. The film has a hydrophilic chemical structure, its molecular weight is 900, and the molecular system is C55H50N10O3.
Hashimoto, H., Hozumi, K., Kitamura, K.
core   +1 more source

Anisotropic Etching of Graphite and Graphene in a Remote Hydrogen Plasma [PDF]

open access: yes, 2017
We investigate the etching of a pure hydrogen plasma on graphite samples and graphene flakes on SiO$_2$ and hexagonal Boron-Nitride (hBN) substrates. The pressure and distance dependence of the graphite exposure experiments reveals the existence of two ...
Camenzind, Timothy N.   +8 more
core   +2 more sources

Artifact‐Minimizing Ultrathin Transparent Electrodes Fabricated via iCVD for In Vivo Optogenetic Stimulation and Neural Signal Monitoring of Primary Visual Cortex

open access: yesAdvanced Functional Materials, EarlyView.
We present ultrathin flexible transparent electrodes through iCVD‐enabled molecular control of 10 nm gold films on poly(dimethylaminomethylstyrene). In vivo validation demonstrated photoelectric artifact reduction vs. opaque electrodes and preservation of natural neural dynamics.
Tae Jin Mun   +11 more
wiley   +1 more source

Plasma variables and tribological properties of coatings in low pressure (0.1 - 10.0 torr) plasma systems [PDF]

open access: yes
A detailed treatment is presented of the dialog known as plasma surface interactions (PSI) with respect to the coating process and its tribological behavior. Adsorption, morphological changes, defect formation, sputtering, chemical etching, and secondary
Avni, R., Spalvins, T.
core   +1 more source

High-Resolution Contact Printing with Chemically Patterned Flat Stamps Fabricated by Nanoimprint Lithography [PDF]

open access: yes, 2009
Chemically patterned flat stamps provide an effective solution to avoid mechanical stamp-stability problems currently encountered in microcontact printing.
Berenschot, Erwin   +5 more
core   +3 more sources

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