Search Results - "Choi, Pyungho"
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1
Effects of polyimide curing on image sticking behaviors of flexible displays
Published in Scientific reports (08-11-2021)“…Flexible displays on a polyimide (PI) substrate are widely regarded as a promising next-generation display technology due to their versatility in various…”
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2
Evaluation of Minority Carrier Generation Lifetime for Oxide Semiconductors
Published in Thin solid films (30-06-2020)“…•A carrier generation lifetime technique for amorphous-oxide-semiconductors is proposed.•The off current of InGaZnO and InSnZnO is attributed to thermally…”
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3
Effect of ALD- and PEALD- Grown Al2O3 Gate Insulators on Electrical and Stability Properties for a-IGZO Thin-Film Transistor
Published in Electronic materials letters (01-07-2021)“…This study investigated the electrical and stability characteristics of Al 2 O 3 as a gate insulator, which was deposited by various atomic layer deposition…”
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4
Conduction band offset-dependent induced threshold voltage shifts in a-InGaZnO TFTs under positive bias illumination stress
Published in AIP advances (01-03-2021)“…In this paper, the dependence of threshold voltage (Vth) changes to amorphous-indium gallium zinc oxide (a-IGZO) thin film transistors (TFTs) under positive…”
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5
Band alignment of atomic layer deposited (HfZrO4) 1−x (SiO2) x gate dielectrics on Si (100)
Published in Applied physics letters (02-11-2015)“…The band alignment of atomic layer deposited (HfZrO4)1−x(SiO2)x (x = 0, 0.10, 0.15, and 0.20) gate dielectric thin films grown on Si (100) was obtained by…”
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6
Band gap and defect states of MgO thin films investigated using reflection electron energy loss spectroscopy
Published in AIP advances (01-07-2015)“…The band gap and defect states of MgO thin films were investigated by using reflection electron energy loss spectroscopy (REELS) and high-energy resolution…”
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7
Electrical evaluation of the crystallization characteristics of excimer laser annealed polycrystalline silicon active layer
Published in Japanese Journal of Applied Physics (01-10-2018)“…We showed that the crystallinity of polycrystalline silicon (poly-Si) active layer of low temperature poly silicon (LTPS) devices can be comparatively analyzed…”
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8
Effect of PECVD Gate SiO2 Thickness on the Poly-Si/SiO2 Interface in Low-Temperature Polycrystalline Silicon TFTs
Published in Journal of electrical engineering & technology (01-03-2021)“…This study investigates the effect of the gate SiO 2 thickness (80, 100, and 130 nm) deposited by plasma enhanced chemical vapor deposition on the interface…”
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9
Determination of the Drain Saturation Voltage of a Metal--Oxide--Semiconductor Field-Effect Transistor by the Capacitance--Voltage Method
Published in Japanese Journal of Applied Physics (01-06-2013)“…In this paper, we present a simple technique to extract drain saturation voltage using the drain junction capacitance--voltage data of a…”
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10
Effect of Bias Temperature Stress on the Anti-Reflection HfO2 Layer in Complementary Metal Oxide Semiconductor Image Sensors
Published in Jpn J Appl Phys (01-10-2013)“…The effects of various electrical characteristics of HfO 2 in CMOS image sensors on bias-thermal stress instability were evaluated. In this work, the HfO 2…”
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11
Bias stress instability of LTPS TFTs on flexible substrate with activation annealing temperature
Published in Microelectronics and reliability (01-10-2020)“…In this paper, we identified the defect state of p-channel low temperature poly-Si thin film transistors (LTPS TFTs) fabricated on a polyimide (PI) substrate…”
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12
Double layer SiNx:H films for passivation and anti-reflection coating of c-Si solar cells
Published in Thin solid films (01-08-2011)Get full text
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13
Improvement of negative bias temperature instability of LTPS TFTs by high pressure H2O annealing
Published in Microelectronics and reliability (01-01-2021)“…In this study, high pressure H2O annealing (HPA) was performed to improve the reliability of low temperature poly-Si thin film transistors (LTPS TFTs)…”
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14
Gate leakage current reduction and improved reliability with an ultra-thin Ti layer for low-power applications
Published in Thin solid films (31-08-2020)“…•Physical vapor deposition method was used for metal gate deposition.•Physical and electrical properties of TiN were analyzed with various Ar/N2 ratios.•TiN…”
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15
Atomic layer-deposited (HfZrO4)1−x(SiO2)x thin films for gate stack applications
Published in Thin solid films (30-04-2018)“…Hafnium‑zirconium silicate (HfZr-silicate, (HfZrO4)1−x(SiO2)x) thin films were developed for advanced gate stack applications by incorporating Si atoms into…”
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16
The Effects of Valence Band Offset on Threshold Voltage Shift in a-InGaZnO TFTs Under Negative Bias Illumination Stress
Published in IEEE electron device letters (01-05-2020)“…In this paper, we propose a novel mechanism for the Vth shift of amorphous-indium gallium zinc oxide (a-IGZO) thin film transistors under negative bias…”
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17
Implementation of a Novel Audio Network Protocol
Published in Archives of acoustics (26-07-2023)Get full text
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18
Band alignment of atomic layer deposited (HfZrO{sub 4}){sub 1−x}(SiO{sub 2}){sub x} gate dielectrics on Si (100)
Published in Applied physics letters (02-11-2015)“…The band alignment of atomic layer deposited (HfZrO{sub 4}){sub 1−x}(SiO{sub 2}){sub x} (x = 0, 0.10, 0.15, and 0.20) gate dielectric thin films grown on Si…”
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Journal Article -
19
Double layer SiNx:H films for passivation and anti-reflection coating of c-Si solar cells
Published in Thin solid films (01-08-2011)“…In this report, we present a cost effective simple innovative approach to fabricate double layer anti-reflection (DLAR) coatings using a single material which…”
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20
Defect states in amorphous SiNx:H compounds using thermally stimulated exo-electron emission
Published in Thin solid films (01-10-2016)“…Defect states of hydrogenated amorphous silicon nitride (a-SiNx:H) thin films were measured using the thermally stimulated exoelectron emission spectroscopic…”
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