A5078805877- Phase-change materials and chalcogenides
- Chalcogenide Semiconductor Thin Films
- Organic Light-Emitting Diodes Research
- Transition Metal Oxide Nanomaterials
- Advanced Thermoelectric Materials and Devices
- Thin-Film Transistor Technologies
- Spam and Phishing Detection
- Organic Electronics and Photovoltaics
- Advanced Memory and Neural Computing
- Liquid Crystal Research Advancements
- Thermal properties of materials
- Cybercrime and Law Enforcement Studies
- Semiconductor materials and interfaces
- Advanced Battery Materials and Technologies
- Crime, Illicit Activities, and Governance
- Advancements in Battery Materials
- Advanced Sensor and Energy Harvesting Materials
- Semiconductor materials and devices
- Nanowire Synthesis and Applications
- Advancements in Semiconductor Devices and Circuit Design
- Network Security and Intrusion Detection
- Internet Traffic Analysis and Secure E-voting
- HIV/AIDS drug development and treatment
- Luminescence and Fluorescent Materials
- Advanced Wireless Network Optimization
Electronics and Telecommunications Research Institute
2012-2024
Korea University of Science and Technology
2024
Verizon Media (United States)
2019
Verizon (United States)
2019
University of Maryland, College Park
2014-2017
Institut Pasteur Korea
2011-2014
Samsung (South Korea)
2006
DDoS-for-hire services, also known as booters, have commoditized DDoS attacks and enabled abusive subscribers of these services to cheaply extort, harass intimidate businesses people by taking them offline. However, due the underground nature little is about their underlying technical business structure. In this paper, we empirically measure many facets payment infrastructure. We perform an analysis leaked scraped data from three major booters---Asylum Stresser, Lizard Stresser VDO---which...
Tuberculosis is still a leading cause of death worldwide. The selection and spread Mycobacterium tuberculosis multidrug-resistant (MDR-TB) extensively drug-resistant strains (XDR-TB) severe public health problem. Recently, two different classes chemical series, the benzothiazinones (BTZ) dinitrobenzamide (DNB) derivatives have been found to be highly active against M. tuberculosis, including XDR-TB strains. target BTZs DprE1 protein which works in concert with DprE2 form heteromeric...
Multimedia services are a major application for IEEE 802.11 WLANs but the current standard does not utilize any rate adaptation technique multicasting. SARM (SNR- based auto multicast) is new mechanism multicasting multimedia content in WLAN environments. Since there no RTS/CTS or MAC ACK frame multicast packet transmissions, uses an auxiliary signaling method to obtain channel quality each mobile node. By adapting transmission on SNR of node experiencing worst air-channel, achieves best...
Advance fee fraud scams, also known as Nigerian scams have evolved from simple untargeted email messages to more sophisticated targeted at users of classifieds, dating and other websites.Even though such are observed frequently, the community's understanding scam is limited since scammers operate "underground".In this paper, we focus on fake payment targeting Craigslist.To better understand type associated scammers, built an automated data collection system.The system relied what term...
Abstract Substrates with high transmittance and haze are desired for increasing the light outcoupling efficiency of organic light‐emitting diodes (OLEDs). However, most polymer films used as substrate have low haze. Herein, a facile route to fabricate built‐in glass‐fabric reinforced siloxane hybrid (GFRH) film having total (≈89%) is reported using scattering effect induced by refractive index contrast between glass fabric (hybrimer). The hybrimer exhibiting large synthesized removing phenyl...
In this study, it is shown that fluorinated azide, employed as a functional additive to photomultiplication-type organic photodiodes (PM-OPDs), can not only enhance the operational stability by freezing morphology consisting of matrix polymer/localized acceptor but also stabilize trapped electron states such photomultiplication mechanism be accelerated further, leading exceptionally high external quantum efficiency (EQE). The consequent semitransparent OPD molybdenum oxide...
Despite significant advancements in all-solid-state batteries (ASSBs), the reliance on thick solid electrolyte (SE) membranes hinders their commercial viability. Although dry process using polytetrafluoroethylene (PTFE) binder is proposed for thin SE membranes, a comprehensive understanding of correlation between PTFE fibrillation and membrane quality remains lacking. Here an important guidance provided producing durable that can be reduced to sub-20-µm thickness by regulating entanglement...
This letter reports on the performance improvement of phase-change memory (PCM) cells by applying silicon-germanium (SiGe) alloys as resistive heating layers. The in situ doped polycrystalline Si0.75Ge0.25 films, lying under holes filled with a Ge2Sb2Te5 (GST) material pore-style configuration, promoted temperature rise and phase transition GST. SiGe layer caused drastic reduction both set reset currents compared to conventional TiN heater material. threshold voltages PCM were almost uniform...
Electrodes supported by conductive binders are expected to outperform ones with inert that potentially disturb electronic/ionic contacts at interfaces. Unlike electron-conductive binders, the employment of Li+-conductive has attracted relatively little attention due liquid electrolyte (LE)-impregnated electrode configuration in conventional lithium-ion batteries (LIBs). Herein, an all-solid-state electrolyte-free where components completely excluded is introduced as a new tactical...
Problematic issues with electrically inert binders have been less serious in the conventional lithium-ion batteries by virtue of permeable liquid electrolytes (LEs) for ionic connection and/or carbonaceous additives electronic electrodes. Contrary to electron-conductive used maximize an active loading level, development ion-conductive has lacking owing LE-filled electrode configuration. Herein, we represent a tactical strategy improving interfacial Li+ conduction all-solid-state...
Advanced batteries with specialized functions can be fabricated by utilizing functional separators that consist of unique materials coated on the separator surface. However, currently commercialized are made polyolefin fibers, which hydrophobic in nature, making it difficult to utilize aqueous slurries for coating process due dewetting Herein, we present an intriguing fabrication method polyvinyl alcohol (PVA) binder in-situ surface modification separators, results favorable wetting behavior...
We identified a novel class of aryl-substituted triazine compounds as potent non-nucleoside reverse transcriptase inhibitors (NNRTIs) during high-throughput screening campaign that evaluated more than 200000 for antihuman immunodeficiency virus (HIV) activity using cell-based full replication assay. Herein, we disclose the optimization antiviral in assay system leading to discovery compound 27, which possessed excellent potency against wild-type HIV-1 (EC50 = 0.2 nM) well viruses bearing...
We investigated the etching behaviors of GST, which has been mainly employed for realization phase-change type nonvolatile memory devices, using high-density helicon plasma system under various gas conditions. Our results provide etch rates GST thin films as a function mixing ratio when mixtures Ar/Cl 2 and Ar/CHF 3 were applied. It was found that selectivities to SiO TiN optimized at = 90/10 80/20, respectively. also confirmed there is no significant change in composition after process....
Recently, we have addressed that a formation mechanism of nanolens array (NLA) fabricated by using maskless vacuum deposition is explained as the increase in surface tension organic molecules induced their crystallization. Here, another research finite difference time domain simulations, not electric field intensities but transmitted energies electromagnetic waves inside and outside top-emitting blue light-emitting diodes (TOLEDs), without with NLAs, are obtained, to easily grasp effect NLA...
To date, all deposition equipment has been developed to produce planar films. Thus lens arrays with a diameter of <1 mm have manufactured by combining other technologies, such as masks, surface treatment, molding etc. Furthermore, nano-lens array (NLA) sufficiently small (<1 μm) is necessary avoid image quality degradation in high resolution displays. In this study, an organic NLA made using conventional technique - without techniques reported. Very interestingly, grazing-incidence...
Adopting the criminal event perspective, we explore how online fraudsters make use of urgency cues in their interactions with potential victims throughout progression an nonpayment fraud attempt. Integrating claims from 'Interpersonal-Deception Theory' situational explanations crime, investigate whether fraudsters' presentations verbal during early stages a are followed by consistent presentation and non-verbal cues. To answer this question, posted large number 'for-sale' advertisements over...