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Energetic performance of reactive metal nanoparticles: Computational materials research integrated with science pedagogy
We aim to develop and implement a program using reactive modeling dynamic (RMD), one type of computational modeling and simulation techniques, to help college students learn chemical reactions in materials sci...
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Article
Very Short-term Prediction of Weather Radar-Based Rainfall Distribution and Intensity Over the Korean Peninsula Using Convolutional Long Short-Term Memory Network
Rain is one of the most important atmospheric phenomena that is directly related to ecosystems and human lives. Numerous meteorological organizations operate weather radars to measure in-situ rainfall. This st...
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Article
Open AccessUnveiling oxidation mechanism of bulk ZrS2
Transition metal dichalcogenides have shown great potential for next-generation electronic and optoelectronic devices. However, native oxidation remains a major issue in achieving their long-term stability, es...
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Article
Infrared Soil Moisture Retrieval Algorithm Using Temperature-Vegetation Dryness Index and Moderate Resolution Imaging Spectroradiometer Data
Most infrared satellite remote sensors have a higher spatial resolution than microwave satellite sensors. Microwave satellite remote sensing has proven successful for the retrieval of soil moisture (SM) inform...
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Article
Open AccessMultiobjective genetic training and uncertainty quantification of reactive force fields
The ReaxFF reactive force-field approach has significantly extended the applicability of reactive molecular dynamics simulations to a wide range of material properties and processes. ReaxFF parameters are comm...
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Article
A Reactive Molecular Dynamics Study of Atomistic Mechanisms During Synthesis of MoS2 Layers by Chemical Vapor Deposition
Transition metal dichalcogenide (TMDC) monolayers like MoS2 are promising materials for future electronic applications. Large-area monolayer MoS2 samples for these applications are typically synthesized by chemic...
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Article
A scattering-based over-land rainfall retrieval algorithm for South Korea using GCOM-W1/AMSR-2 data
Heavy summer rainfall is a primary natural disaster affecting lives and properties in the Korean Peninsula. This study presents a satellite-based rainfall rate retrieval algorithm for the South Korea combining...
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Article
Poly(ethyleneglycol)-coated Ni0.65Zn0.35Fe2O4 nanoparticles for hyperthermia applications
Poly(ethyleneglycol)-coated Ni-Zn ferrite (Ni0.65Zn0.35Fe2O4) nanoparticles were synthesized in powder form by using the high-temperature polyol method. As shown by X-ray diffraction, the particles exhibited the ...
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Article
Open AccessThe ReaxFF reactive force-field: development, applications and future directions
The reactive force-field (ReaxFF) interatomic potential is a powerful computational tool for exploring, develo** and optimizing material properties. Methods based on the principles of quantum mechanics (QM),...
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Article
Control of the saturation temperature in magnetic heating by using polyethylene-glycol-coated rod-shaped nickel-ferrite (NiFe2O4) nanoparticles
Polyethylene-glycol (PEG)-coated nickel-ferrite nanoparticles were prepared for magnetic hyperthermia applications by using the co-precipitation method. The PEG coating occurred during the synthesis of the nan...
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Article
Relaxivities of hydrogen protons in aqueous solutions of PEG-coated rod-shaped manganese-nickel-ferrite (Mn0.4Ni0.6Fe2O4) nanoparticles
Spinel-structured manganese (Mn)-nickel (Ni)-ferrite nanoparticles were synthesized using a chemical co-precipitation method. Coating with PEG (polyethylene glycol) was simultaneously conducted along with the ...
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Article
Enhancement of the CIGS solar cell’s efficiency by anti-reflection coating with Teflon AF
An anti-reflection (AR) layer of Teflon AF was deposited on the front surface of a Cu(In,Ga)Se2 (CIGS) solar cell with a structure of grid/TCO/ZnO/CdS/Cu(In,Ga)Se2/Mo/glass by using the spin coating method. This ...
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Article
Ground deformation tracking over Mt. Baekdu: A pre-evaluation of possible magma recharge by D-InSAR analysis
Mt. Baekdu, located in the northeastern Korean peninsula close to the Korea-China border, has been documented to have had a few destructive eruptions in history. Even though it has been dormant since the major...
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Article
Soil moisture retrieved from microwave satellite data and its relationship with the Asian dust (Hwangsa) frequency in East Asia during the period from 2003 to 2010
A soil moisture retrieval algorithm using AMSR-E microwave satellite data has been developed by the National Institute of Meteorological Research (NIMR). This algorithm is based on a simple inversion method th...
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Article
Relaxivities of hydrogen protons in aqueous solutions of gold-coated manganese ferrite nanoparticles
Manganese ferrite nanoparticles were synthesized using the reverse micelle method and were coated with gold. TEM (transmission electron microscope) pictures showed that the shapes of the synthesized nanopartic...
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Article
Open AccessCarbon-coated iron oxide nanoparticles as contrast agents in magnetic resonance imaging
Coprecipitated ferrite nanoparticles were coated with carbon using a hydrothermal method. From transmission electron microscope pictures, we could see that the coated iron oxide nanoparticles were spherical in...