Skip to main content

and
  1. No Access

    Article

    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...

    Priyanshu Luhar, Arpit Vaishya, Karen Flores, Marlen Trigueros in MRS Advances (2024)

  2. No Access

    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...

    Yeonjun Kim, Sungwook Hong in Asia-Pacific Journal of Atmospheric Sciences (2022)

  3. Article

    Open Access

    Unveiling 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...

    Liqiu Yang, Subodh C. Tiwari, Seong Soon Jo, Sungwook Hong, Ankit Mishra in MRS Advances (2021)

  4. No Access

    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...

    Young-Joo Kwon, Sumin Ryu, Jaeil Cho in Asia-Pacific Journal of Atmospheric Scienc… (2020)

  5. Article

    Open Access

    Multiobjective 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...

    Ankit Mishra, Sungwook Hong, Pankaj Rajak, Chunyang Sheng in npj Computational Materials (2018)

  6. No Access

    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...

    Sungwook Hong, Aravind Krishnamoorthy, Chunyang Sheng, Rajiv K. Kalia in MRS Advances (2018)

  7. No Access

    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...

    Young-Joo Kwon, Hayan Shin, Hyunju Ban in Asia-Pacific Journal of Atmospheric Scienc… (2017)

  8. No Access

    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 ...

    Ashfaq Ahmad, Hongsub Bae, Ilsu Rhee in Journal of the Korean Physical Society (2017)

  9. Article

    Open Access

    The 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),...

    Thomas P Senftle, Sungwook Hong, Md Mahbubul Islam in npj Computational Materials (2016)

  10. No Access

    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...

    Yousaf Iqbal, Hongsub Bae, Ilsu Rhee in Journal of the Korean Physical Society (2016)

  11. No Access

    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 ...

    Yousaf Iqbal, Hongsub Bae, Ilsu Rhee in Journal of the Korean Physical Society (2014)

  12. No Access

    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 ...

    Hong-Sub Bae, Chan Kim, Ilsu Rhee, Hyun-Jun Jo in Journal of the Korean Physical Society (2014)

  13. No Access

    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...

    Jung-Rack Kim, Shih-Yuan Lin, Sungwook Hong in KSCE Journal of Civil Engineering (2014)

  14. No Access

    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...

    Youngmi Kim, Mi-Lim Ou, Sang-Boom Ryoo in Asia-Pacific Journal of Atmospheric Scienc… (2013)

  15. No Access

    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...

    Tanveer Ahmad, Yousaf Iqbal, Hongsub Bae in Journal of the Korean Physical Society (2013)

  16. Article

    Open Access

    Carbon-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...

    Hongsub Bae, Tanveer Ahmad, Ilsu Rhee, Yongmin Chang in Nanoscale Research Letters (2012)