Device fabrication
The bottom control gates (5/15 nm Cr/Au) were patterned by e-beam lithography with a bilayer photoresist process followed by deposition of metal by e-beam evaporation on silicon dioxide (300 nm)/silicon substrates. For the…
Category: Nanotech
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Chiral carbon dot as a fluorescent stain with enantiomer-dependent cell imaging
Characterization of chiral CDs
Red fluorescent CDs were created using a solvothermal synthesis method, which involved heating a combination of L- or D-Tyr and OPD in a mixture of water and sulfuric acid.
Figures 2a, b illustrate the…
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Synergistic effects of confinement size and interface on anomalous ultrafast transport in nanofluidics
Wang, L. et al. Microscopic kinetics pathway of salt crystallization in graphene nanocapillaries. Phys. Rev. Lett. 126, 136001 (2021).
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Kapil, V. et al. The…
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Reaction-driven formation of anisotropic strains in FeTeSe nanosheets boosts low-concentration nitrate reduction to ammonia
Structural characterizations of catalysts
The formation of reaction-driven anisotropic strains in FeTeSe nanosheets involves three steps (Fig. 1a). Fe(TexSe1−x) is a typical layered material that crystallizes in a tetragonal structure (P4/nmm),…
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Intelligent photonics advances optical computing and AI-integrated sensing
Apr 15, 2025 Machine learning and nanophotonics combine to enable fast, energy-efficient computing and sensing with potential for transformative AI-driven technologies.
(Nanowerk News) The intersection of
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Antiferromagnetism observed in quasicrystals for the first time
Apr 15, 2025 Researchers provide the first neutron diffraction proof of antiferromagnetism in an icosahedral quasicrystal, opening new paths in magnetic and spintronic research.
(Nanowerk News)…
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Boosting the selectivity in oxygen electrocatalysis using chiral nanoparticles as electron-spin filters
Apr 15, 2025 In this study, chiral gold nanoparticles with a concave vortex cube structure were employed as the chiral substrate,…
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Quantifying hydrogen bonding using electrically tunable nanoconfined water
Full form of the dipole-in-E-field approximation
The 3D form of Hooke’s law can be written as \({{\bf{F}}}=-{{\boldsymbol{\kappa }}}\cdot {{\bf{X}}}\). Here X is the displacement vector in 3D space, and κ is a 3 × 3 strain stiffness…
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Gold-modified nanoporous silicon for photoelectrochemical regulation of intracellular condensates
Giorgio, M., Trinei, M., Migliaccio, E. & Pelicci, P. G. Hydrogen peroxide: a metabolic by-product or a common mediator of ageing signals? Nat. Rev. Mol. Cell Biol. 8, 722–728 (2007).
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Piezoelectric properties improvement in soft membrane with wet-spinning prepared barium titanate/polyvinylidenefluoride composites fiber
Structural and crystal studies
The surface morphology of the as-received BaTiO₃ powder, electrospun PVDF, and BT/PVDF composites was analyzed using field emission scanning electron microscopy (FESEM), as shown in Fig. 2. Pristine PVDF fibers…
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