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Article
Open AccessDual-Atom Nanozyme Eye Drops Attenuate Inflammation and Break the Vicious Cycle in Dry Eye Disease
A dual-atom nanozyme (DAN) was successfully prepared based on Fe and Mn bimetallic single-atom embedded in N-doped carbon material and modified with hydrophilic polymer.
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Article
High quality factor tuning fork resonators with various resonance frequencies
We demonstrate that the designed and fabricated tuning fork resonators have quality factors of about 103–104 in the diverse frequency range from 50 Hz to 10 kHz in ambient condition. Metal and ceramic materials s...
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Article
Capillary grip-induced stick-slip motion
We present capillary grip-induced stick-slip motion, a nanoscale tribological effect, where the role of a nanoscale confined water meniscus formed between a buckled sharp tip and a glass or mica surface is add...
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Article
Open AccessSorting Gold and Sand (Silica) Using Atomic Force Microscope-Based Dielectrophoresis
The dielectrophoresis-based platform combined with micropipette-based atomic force microscope is demonstrated for material- and position-selective depositi...
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Article
Coherent control of \(^{171}\mathrm{Yb}^{+}\) ion qubit states and thermometry using motional decoherence
\(^{171} \mathrm{Yb}^{+}\) 171 ...
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Open AccessInitial growth dynamics of 10 nm nanobubbles in the graphene liquid cell
The unexpected long lifetime of nanobubble against the large Laplace pressure is one of the important issues in nanobubble research and a few models have been proposed to explain it. Most studies, however, hav...
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Article
Measuring Dielectrophoresis Force for Metallic and Non-metallic Particle Manipulations via a Quartz Tuning Fork Atomic Force Microscope
Dielectrophoresis (DEP) force is a widely studied topic because it has high utility in various research areas. Understanding DEP force is significant from the point of view of its efficient usage. Here, we con...
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Article
Theoretical Analysis of a Dynamic Vibration Phase Reversal Transition
We theoretically investigate the crucial role of noise-induced switching dynamics due to thermal fluctuations, which is difficult to explore experimentally, in the dynamic vibration phase reversal transition r...
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Article
Buckling tip-based nanoscratching with in situ direct measurement of shear dynamics
We have demonstrated a nanoscratching technique using in situ direct measurement of the elastic and viscous responses of shear dynamics for a buckled quartz nanorod tip. The buckled tip resolves the issue of d...
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Article
Open AccessIce-VII-like molecular structure of ambient water nanomeniscus
Structural transformations originating from diverse rearrangements of the hydrogen bonding in water create various phases. Although most phases have been well investigated down to the molecular level, the mole...
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Article
Open AccessAdhesive force measurement of steady-state water nano-meniscus: Effective surface tension at nanoscale
When the surface of water is curved at nanoscale as a bubble, droplet and meniscus, its surface tension is expected to be smaller than that of planar interface, which still awaits experimental studies. Here, w...
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Article
Curie’s Symmetry Principle for Selection Rule of Photonic Crystal Defect Modes
Symmetry, which defines invariant properties under a group of transformations, provides a frame of generalization uncovering regularities from given quantitative descriptions. Based on the Curie’s symmetry pri...
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Article
Analytical Study of Noise Spectral Density in Q-controlled Atomic Force Microscopy
Q-controlled atomic force microscopy utilizes an oscillating probe with an adjustable quality factor, which is done by adding a variable dam** interaction to the probe. While the Q-control can enhance the probe...
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Article
Velocity tuning of friction with two trapped atoms
To study atomic-scale friction in a controlled environment, researchers used two trapped, laser-cooled ions in an additional optical potential. This set-up provides a better understanding of the interplay betw...
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Open AccessNanomeniscus-induced delivery of liquid solutions for diverse nanofiber fabrication
Nanomaterial-delivery fabrication expects high-potential impacts on nanoscience, technology and industry, but still faces limited applicability mainly due to high-field requirement for liquid delivery, complic...
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Article
Open AccessNoncontact friction via capillary shear interaction at nanoscale
Friction in an ambient condition involves highly nonlinear interactions of capillary force, induced by the capillary-condensed water nanobridges between contact or noncontact asperities of two sliding surfaces...
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Article
Open AccessFabrication and Characterization of Au Nanoparticle-aggregated Nanowires by Using Nanomeniscus-induced Colloidal Stacking Method
We fabricate and characterize Au nanoparticle-aggregated nanowires by using the nano meniscus-induced colloidal stacking method. The Au nanoparticle solution ejects with guidance of nanopipette/quartz tuning f...
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Article
Open AccessEnergy dissipation of nanoconfined hydration layer: Long-range hydration on the hydrophilic solid surface
The hydration water layer (HWL), a ubiquitous form of water on the hydrophilic surfaces, exhibits anomalous characteristics different from bulk water and plays an important role in interfacial interactions. De...
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Article
Open AccessPosition-resolved Surface Characterization and Nanofabrication Using an Optical Microscope Combined with a Nanopipette/Quartz Tuning Fork Atomic Force Microscope
In this work, we introduce position-resolved surface characterization and nanofabrication using an optical microscope (OM) combined with a nanopipette-based quartz tuning fork atomic force microscope (nanopipe...
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Article
Time-symmetry breaking in a modulated cold atom system: An ideal mean-field transition
We realize an ideal mean-field transition of time-translation symmetry in a periodically-driven atomic system. The symmetry in steady-state oscillatory atomic motions spontaneously changes with the total numbe...
