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Article
Open AccessSwitchable tribology of ferroelectrics
Switchable tribological properties of ferroelectrics offer an alternative route to visualize and control ferroelectric domains. Here, we observe the switchable friction and wear behavior of ferroelectrics usin...
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Article
Open AccessComparative transcriptome analysis of two Daphnia galeata genotypes displaying contrasting phenotypic variation induced by fish kairomones in the same environment of the Han River, Korea
Phenotypic plasticity is a crucial adaptive mechanism that enables organisms to modify their traits in response to changes in their environment. Predator-induced defenses are an example of phenotypic plasticit...
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Article
Open Access100 years after Griffith: From brittle bulk fracture to failure in 2D materials
Brittle fracture and ductile failure are critical events for any structural or functional component, as it marks the end of lifetime and potential hazard to human life. As such, materials scientists continuous...
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Article
Open AccessPrevalence and characteristics of cutaneous allodynia in probable migraine
Cutaneous allodynia (CA) is a pain in response to non-nociceptive stimulation and a marker of central sensitisation. Probable migraine (PM) is a migraine subtype that fulfils all but one criterion of migraine....
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Article
Open AccessSex differences in the association between chronotype and risk of depression
Information on sex differences in the association between chronotype and depression is scarce. We aimed to investigate these differences using data from the Korea National Health and Nutrition Examination Surv...
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Article
Nanocarbon-reinforced metal-matrix composites for structural applications
Nanocarbon materials, such as carbon nanotubes, graphene, and their derivatives, are regarded as promising reinforcing agents in metal matrix composites (MMCs) because of their excellent intrinsic mechanical p...
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Article
Non-destructive micro-Raman analysis of Si near Cu through silicon via
Silicon near Cu through-silicon vias (TSVs) develops stresses during processing steps, and the local stress of Si around Cu TSVs of sizes ranging from 4 to 8 μm was characterized using micro-Raman spectroscopy...
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Article
Three-dimensionally printed cellular architecture materials: perspectives on fabrication, material advances, and applications
Three-dimensional (3D) printing generates cellular architected metamaterials with complex geometries by introducing controlled porosity. Their ordered architecture, imitative from the hierarchical high-strengt...
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Article
Open AccessRadiation Resistant Vanadium-Graphene Nanolayered Composite
Ultra high strength V-graphene nanolayers were developed for the first time that was demonstrated to have an excellent radiation tolerance as revealed by the He+ irradiation study. Radiation induced hardening, ev...
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Chapter and Conference Paper
Effect of High Angle Grain Boundary on Deformation of Aluminum Bicrystalline Nanopillars
Nanoscale single crystal metals are known to exhibit size dependent strength and plasticity, where the strength of the nanopillar increases with a decrease in the sample size. Due to the small dimension of the...
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Article
Open AccessVertically aligned P(VDF-TrFE) core-shell structures on flexible pillar arrays
PVDF and P(VDF-TrFE) nano- and micro- structures have been widely used due to their potential applications in several fields, including sensors, actuators, vital sign transducers and energy harvesters. In this...
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Article
Open AccessTime-dependent mechanical-electrical coupled behavior in single crystal ZnO nanorods
Nanoscale time-dependent mechanical-electrical coupled behavior of single crystal ZnO nanorods was systematically explored, which is essential for accessing the long-term reliability of the ZnO nanorod-based f...
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Article
Strengthening effect of single-atomic-layer graphene in metal–graphene nanolayered composites
Graphene is a single-atomic-layer material with excellent mechanical properties and has the potential to enhance the strength of composites. Its two-dimensional geometry, high intrinsic strength and modulus ca...
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Article
Open AccessSelf-activated ultrahigh chemosensitivity of oxide thin film nanostructures for transparent sensors
One of the top design priorities for semiconductor chemical sensors is develo** simple, low-cost, sensitive and reliable sensors to be built in handheld devices. However, the need to implement heating elemen...
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Article
Microcompression study of Al-Nb nanoscale multilayers
Microcompression tests were performed on the Al/Nb multilayers of incoherent interfaces with the layer thicknesses of 5 nm Al/5 nm Nb and 50 nm Al/50 nm Nb. The Al-Nb multilayers showed increase in strength as...
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Article
Diffusion Kinetics of Oxygen in β-Titanium Measured by Molten Flux Method
The unidirectional diffusion model of oxygen in β-titanium was investigated based on the molten flux method and was analyzed by combining thermodynamics and kinetics. The interfacial concentration of oxygen could...
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Chapter and Conference Paper
A Dynamic Interval Scheduling and Congestion Control Scheme for Sensor Networks
This paper introduces a novel interval scheduling and congestion control scheme in wireless sensor networks. Wireless sensor network is an event based system with several sensor nodes. Reliable event detection...
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Chapter and Conference Paper
Efficient Service Recommendation System for Cloud Computing Market
In recent years, Cloud computing is gaining much popularity as it can efficiently utilize the computing resources and hence can contribute to the issue of Green IT to save energy. So to make the Cloud services...
