Search results for etching

Nanomaterials Nov 9, 2022

Physicists show how tight 'diet' could produce single-chirality carbon nanotubes

Like a giraffe stretching for leaves on a tall tree, making carbon nanotubes reach for food as they grow may lead to a long-sought breakthrough.

Analytical Chemistry Nov 8, 2022

New approach to fabricating ion-conducting ceramic membranes for stable hydrogen production

Hydrogen has attracted much attention due to its potential as a clean energy carrier. To date, the majority of hydrogen is produced from fossil fuels, such as natural gas, coal and oil. Such fossil-derived hydrogen must be ...

Optics & Photonics Nov 4, 2022

Semi-nonlinear etchless lithium niobate waveguide with bound states in the continuum

Lithium niobite (LN) with an ultra-wide optical transparent window has shown excellent nonlinear, electro-optic, acoustic-optic, piezoelectric, thermoelectric and photorefractive effects. It is an excellent platform for realizing ...

Nanophysics Nov 3, 2022

Novel nanowire fabrication technique paves way for next generation spintronics

As our world modernizes faster than ever before, there is an ever-growing need for better and faster electronics and computers. Spintronics is a new system which uses the spin of an electron, in addition to the charge state, ...

Nanophysics Nov 3, 2022

A new quantum component made from graphene

Less than 20 years ago, Konstantin Novoselov and Andre Geim first created two-dimensional crystals consisting of just one layer of carbon atoms. Known as graphene, this material has had quite a career since then.

Analytical Chemistry Nov 1, 2022

Clean hydrogen fuel is easier to produce from seawater with stable hierarchical electrocatalysts

Seawater, which comprises more than 95% of the Earth's water, could become a key resource in the sustainable production of clean hydrogen fuel with use of water-splitting catalysts developed by a KAUST-led team.

Analytical Chemistry Oct 28, 2022

Constructing charge transfer channels on a photoanode surface by electrochemical treatment

Photoelectrochemical (PEC) water splitting presents a promising way to convert solar energy into storable and transportable hydrogen energy. Among investigated semiconducting materials, BiVO4 is considered as an intriguing ...

Nanophysics Oct 27, 2022

Maximizing ion accessibility in nanoscale ion-channel MXene electrodes for zinc-ion energy storage

With highly hydrophilic surfaces and superior metal conductivity, two-dimensional transition-metal carbides (MXenes) are highly valuable in the field of electrochemical energy storage. However, the easy stacking inclination ...

Nanophysics Oct 26, 2022

New technique for arranging nanoscale particles on a surface without damaging the material

Researchers at MIT have developed a technique for precisely controlling the arrangement and placement of nanoparticles on a material, like the silicon used for computer chips, in a way that does not damage or contaminate ...

General Physics Oct 24, 2022

Controlled bouncing, evaporation and transport of droplets on a liquid-repellent surface

The research team from Hunan University has proposed a facile and industrially applicable method to fabricate an extreme wettability surface on an Al-based superhydrophobic surface by a composite process of electrochemical ...

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