Advanced ultrafast laser techniques achieve sub-10nm nanofabrication for semiconductors. Comprehensive review of near-field and far-field approaches.
Category: Nanotech
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Ultrafast laser nanofabrication advances manufacturing limits
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Heat-flow modelling at the nanoscale
Scientists compare current theories to explain the behaviour of heat flow in nanoscale materials, extremely important for the improvement of electronic devices.
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Spongy, loofah-inspired hydrogel material uses sunlight to remove salt from seawater
Researchers developed a sponge-like material with long, microscopic air pockets that uses sunlight and a simple plastic cover to turn saltwater into freshwater.
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Scientists target 'molecular machine' in the war against antimicrobial resistance
Scientists mapped the bacterial flagellum in atomic detail, revealing it as a target to disarm infections without killing bacteria or driving antibiotic resistance.
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Nonlinear currents in symmetry-broken materials challenge Ohm's Law
Breaking inversion symmetry in materials allows deviations from Ohm?s law, enabling nonlinear effects that could drive future nano- and quantum-electronic devices.
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Manipulation of light at the nanoscale helps advance biosensing
Researchers developed tunable photonic crystal biosensors using magneto-plasmonic nanoassemblies to enhance fluorescence for ultrasensitive disease biomarker detection.
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A carbon-nanotube-based electron source with a 0.3-eV energy spread and an unconventional time delay
Barwick, B., Flannigan, D. J. & Zewail, A. H. Photon-induced near-field electron microscopy. Nature 462, 902–906 (2009).
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Zewail, A. H. Four-dimensional…
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Multiferroicity in two dimensional Co2Cl2 monolayer
The calculation method and the geometric structure of Co2Cl2
In our study, we sought to identify materials with specific magnetic properties using data from the Computational 2D Materials Database (C2DB)32. To achieve…
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Electrochemical aptasensing of dopamine using a gold digital video disc platform modified with graphitic carbon nitride capped SiO2@Au core-shell nanoparticles
Liu, S. et al. A novel label-free electrochemical aptasensor based on graphene–polyaniline composite film for dopamine determination. Biosens. Bioelectron. 36, 186–191 (2012).
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Amorphous/crystalline HTiNbO5-X membranes for efficient confined flow synthesis of acetate ester flavours
The synthesis and characterization of HTiNbO5-X membrane
The ultrathin HTiNbO5-X NS were successfully obtained by calcination, acid etching, and exfoliation steps (Fig. 1b)22,24. It is noteworthy that KTiNbO5 was treated in HCl aqueous solution…
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