A5102926578- Semiconductor materials and devices
- Ferroelectric and Negative Capacitance Devices
- Advanced Memory and Neural Computing
- Anesthesia and Pain Management
- Gastric Cancer Management and Outcomes
- Tracheal and airway disorders
- Enhanced Recovery After Surgery
- Nausea and vomiting management
- Electronic and Structural Properties of Oxides
- Airway Management and Intubation Techniques
- Advanced Data Storage Technologies
- Copper Interconnects and Reliability
- Molecular Junctions and Nanostructures
- MRI in cancer diagnosis
- High-Voltage Power Transmission Systems
- Intergenerational Family Dynamics and Caregiving
- Modular Robots and Swarm Intelligence
- Colorectal Cancer Treatments and Studies
- Global Health Care Issues
- Liver Disease Diagnosis and Treatment
- Interconnection Networks and Systems
- Catalytic Processes in Materials Science
- Health and Wellbeing Research
- Microgrid Control and Optimization
- Gold and Silver Nanoparticles Synthesis and Applications
Yonsei University
2010-2025
Severance Hospital
2024
Inha University Hospital
2008-2023
Pohang University of Science and Technology
2006-2007
Wooridul Hospital
2004
Abstract The viscosities of CaO‐SiO 2 ‐10wt%MgO‐20wt%Al O 3 ‐Na slags (CaO/SiO = 0.8–1.2, wt%Na 0–10) were measured to estimate the effect Na on viscous behavior at elevated temperatures. slag viscosity 1773 K decreased with increasing contents, which is observed in a basic oxide component. However, FT‐IR spectroscopic analysis structure seemed verify that [AlO 4 ]‐tetrahedra depolymerized more readily than [SiO due ionic charge compensation has tendency be effective ]‐tetrahedra. Hence, for...
Background The appropriate endotracheal tube ( ETT ) size is commonly determined using age‐based formula; determination based on ultrasound US measurement of subglottic diameter SD ), the narrowest portion paediatric upper airway, may provide a better method for accurate fit. We aimed to validate measures before intubation establish an empirical formula fitting and biographic parameters. Methods included 215 children aged 1–72 months undergoing general anaesthesia. was performed anterior...
We investigated the thermal and plasma-enhanced atomic layer deposition (PE-ALD) of tantalum titanium oxides from representative alkylamide precursors, (pentakis(dimethylamino)Ta, PDMAT) [tetrakis(dimethylamido)Ti, TDMAT]. ALD by PDMAT with water or oxygen plasma produced pure films good self-saturation growth characteristics. However, incomplete was observed for TDMAT. The film properties including microstructure, chemical composition, electrical are discussed focusing on comparative...
The growth mechanisms and film properties of atomic layer deposition (ALD) Ta-based thin films were investigated from alkylamide precursor [Ta(NMe2)5, (PDMAT)]. reactions PDMAT with various reactants including water, NH3, oxygen, hydrogen plasma studied the resulting by analysis techniques. For TaN ALD NH3 H plasma, contaminated considerable amount carbon, while Ta2O5 deposited water O quite pure. Also, nitrogen was incorporated for no incorporation observed O-plasma based enhanced-ALD...
A HfO2 thin film is incorporated into a resistive random access memory (RRAM) device based on conducting atomic force microscopy (CAFM). The RRAM element consists of an Au nanodot connected to CAFM tip as anode, channel, and Pt electrode cathode. nearly uniform array with mean dot diameter 25 nm formed using DBC nanotemplate metallization techniques. nanoscale exhibits unipolar switching behavior similar that typical bit.
Nitrogen incorporation produces several benefits in the performance of high k gate oxides. However, since too much nitrogen at interface dielectric can result device degradation, atomic scale control depth profile is desirable. In this study, authors have improved electrical properties and by situ during plasma enhanced layer deposition. The best terms hysteresis, equivalent oxide thickness, states were obtained when incorporated middle thin film, which has not been achievable other techniques.
Sarcopenia is associated with postoperative complications; however, its impact on the quality of recovery, such as nausea and vomiting (PONV) pain, remains unclear. We investigated association preoperative lumbar skeletal muscle mass index (LSMI) PONV, complications.
Background: Preventing intraoperative nausea and vomiting (IONV) is crucial for maternal safety during cesarean section under spinal anesthesia. While midazolam known to prevent IONV, we hypothesized that remimazolam would be superior due its minimal hemodynamic effects. We compared the effects of two drugs on IONV.Methods: Parturients scheduled were randomly assigned receive either or remimazolam. They received 2 mg 5 mg, with additional doses administered upon request. The primary outcome...
Atomic layer deposition (ALD) process for oxynitrides of high-k gate dielectrics employing NH4OH as a single source reactants, water and NH3, was studied. By this method, nitrogen incorporated up to 1–3at.% ALD Al2O3 Ta2O5 films from metal organic precursors. A comparative study with based showed that the electrical properties were improved. The leakage current oxide had been reduced and, more importantly, dielectric strength found be enhanced by than two orders magnitude time dependent...
The ability of ALD to deposit thin films with great uniformity over large area and low temperature deposition make it viable technique for flexible flat panel display. Recently, transparent film transistor is being considered as important component next generation display device. For this, all layers including active channel layer, gate insulator, source, drain, should be made materials. example, ZnO widely studied a promising material layer TTFT. In addition, high k materials Al <sub...
Three‐dimensional integrated systems that combine large‐capacity dynamic random access memory (DRAM) with high‐performance processors represent a promising solution to implementing computing. However, in such configurations stacked DRAM cells will inevitably be exposed high temperatures generated by the processor, thereby necessitating DRAMs refresh rates driven embedded temperature sensors. In this Letter, thermally aware refresh‐control method accounts for abrupt changes and thermal...
The effects of post-annealing high-k <TEX>$HfO_2$</TEX> thin films grown by atomic layer deposition method were investigated the annealing treatments <TEX>$400-600^{\circ}C$</TEX>. <TEX>$Pt/HfO_2/p-Si\;MOS$</TEX> capacitor structures fabricated, and then capacitance-voltage current-voltage characteristics measured to analyze electrical dielectric layers. X-ray diffraction analyses revealed that <TEX>$500^{\circ}C-annealed\;HfO_2$</TEX> film remained be amorphous,...
Aims Endoscopic treatment as additional therapy for noncurative resection in the only positive lateral margin (pLM) after endoscopic submucosal dissection (ESD) early gastric cancer (EGC) has been recommended patients with no risk of lymph node metastasis because it is less invasive than surgical gastrectomy favorable long-term outcome. However, there guideline on how to perform follow-up observation until ESD performed.
e15671 Background: Elderly patients have often been excluded from clinical trials and only limited data are available regarding treatment of these patients. The efficacy S-1 chemotherapy for elderly with advanced gastric cancer (AGC) is not well investigated. aim this study to evaluate the safety monotherapy in AGC whom conventional difficult deliver. Methods: From January 1, 2007 August 31, 2008, a total seventeen older than 70 were given S1 monotherapy. They received at dose 40mg/m2 BID...
Although 89% of older Korean adults have at least one chronic disease, most self-management interventions are clinic-based, delivered through face-to-face education, and highly focused on disease information. This pilot study developed tested a mHealth protocol to empower manage their diseases home. Our health empowerment includes Phase 1: standardized mobile tablet training with guidebooks, demonstrations, guided practice, 2: information for management retrieved from the Center Disease...
Although extensive research has investigated gender to predict caregiving burden, methodological challenges resulting from univariate comparison between men and women need be overcome. This study adopted a dyadic approach differentiate status discrepancy explain the burden. Using 2015 National Alliance for Caregiving data (N=1391), we compared burden models using: (1) traditional that includes separate variables of caregivers care-recipients; (2) an alternative variable discrepancy, in which...
By combining PS-PMMA self-assembled diblock copolymer (BC) and lift off process, gold nanodot array was fabricated. For surface neutralization, a novel method using conventional self assembled monolayer (SAM), MPTS (3-(p-methoxyphenyl)propyltrichlro-silane) used. Surface treatment with SAM analyzed by contact angle measurement XPS. Upon the fabricated cylindrical nanohole array, evaporated 10 nm size nanoparticle lift-off process.