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13 results on '"Kim, Whayoung"'

2. Demonstration of crystalline IGZO transistor with high thermal stability for memory applications

Author

Kim, Whayoung, primary, Kim, Jaehyeon, additional, Ko, Dongjin, additional, Cha, Jun-Hwe, additional, Park, Gyeongcheol, additional, Ahn, Youngbae, additional, Lee, Jong-Young, additional, Sung, Minchul, additional, Choi, Hyejung, additional, Ryu, Seung Wook, additional, Kim, Seiyon, additional, Na, Myunghee, additional, and Cha, Seonyong, additional

Published
2023
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7. Comparative Study on the Gate‐Induced Electrical Instability of p‐Type SnO Thin‐Film Transistors with SiO2 and Al2O3/SiO2 Gate Dielectrics

Author

Jang, Younjin, primary, Kim, Jun Shik, additional, Kang, Sukin, additional, Kim, Jihun, additional, Lee, Yonghee, additional, Kim, Kwangmin, additional, Kim, Whayoung, additional, Choi, Heenang, additional, Kim, Nayeon, additional, Eom, Taeyong, additional, Chung, Taek-Mo, additional, Jeon, Woojin, additional, Lee, Sang Yoon, additional, and Hwang, Cheol Seong, additional

Published
2020
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8. Revisiting Facebook

Author

Yoo, Youngjae, primary, Jung, Juhee, additional, Kim, Whayoung, additional, and Kang, Youn-ah, additional

Published
2019
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9. Comparative Study on the Gate‐Induced Electrical Instability of p‐Type SnO Thin‐Film Transistors with SiO2 and Al2O3/SiO2 Gate Dielectrics.

Author

Jang, Younjin, Kim, Jun Shik, Kang, Sukin, Kim, Jihun, Lee, Yonghee, Kim, Kwangmin, Kim, Whayoung, Choi, Heenang, Kim, Nayeon, Eom, Taeyong, Chung, Taek-Mo, Jeon, Woojin, Lee, Sang Yoon, and Hwang, Cheol Seong

Subjects
INDIUM gallium zinc oxide, THIN film transistors, DIELECTRICS, THRESHOLD voltage, TRANSISTORS, ELECTRON traps, COMPARATIVE studies
Abstract

The gate‐induced electrical instability of SnO thin‐film transistors (TFTs) with SiO2 and Al2O3/SiO2 gate dielectric layers is evaluated. The hysteresis voltage (Vhy) and threshold voltage (Vth) in the transfer characteristics of SnO TFTs depend on the sweep range and rate of gate voltage (VGS). The TFT with an Al2O3/SiO2 gate dielectric layer exhibit reduced Vhy and stable Vth compared with the device without an Al2O3 layer. The introduction of an Al2O3 layer between the SnO channel and the SiO2 layer suppresses the electron and hole trapping at the channel/dielectric interface and contains mobile oxygen vacancies that counteract the hole trapping effect. [ABSTRACT FROM AUTHOR]

Published
2020
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13. Carbohydrate Intake Interacts With SNP276G>T Polymorphism in the Adiponectin Gene to Affect Fasting Blood Glucose, HbA1C, and HDL Cholesterol in Korean Patients With Type 2 Diabetes

Author

Hwang, Ji-Yun, Park, JiEun, Choi, YoungJu, Huh, KapBum, Chang, Namsoo, and Kim, WhaYoung

Abstract

Background/Objective:The SNP276G>T polymorphism in the adiponectin gene has been reported to be associated with type 2 diabetes and impaired glucose tolerance. The objective of this study was to examine whether SNP276G>T polymorphism influences the blood glucose levels in relation to dietary carbohydrate intake.Subjects/Methods:In an ongoing, prospective study, 673 patients with type 2 diabetes (339 men and 334 women, aged 40–85 years) were recruited from one of two diabetes clinics in Seoul, Korea. The levels of carbohydrate intake were categorized as <55%, 55%–65%, and >65% of total energy intake.Results:Significant gene–nutrient interactions between SNP276G>T polymorphism and the level of carbohydrate intake were found, which modulated plasma fasting blood glucose ( p= 0.0277), HbA1C ( p= 0.0407), and high-density lipoprotein (HDL) cholesterol ( p= 0.0134) concentrations. The G allele was associated with higher fasting blood glucose only in subjects consuming a low-carbohydrate diet (<55% of energy). However, when carbohydrate intake was intermediate (55%–65%), carriers of the T allele had greater fasting blood glucose and HbA1C concentrations. When carbohydrate intake was high (>65%), carriers of the T allele had greater HDL cholesterol concentrations. This interaction was significant even when carbohydrate intake was considered a continuous variable ( p= 0.0200 for fasting blood glucose, p= 0.0408 for HbA1C, and p= 0.0254 for HDL cholesterol), suggesting a strong dose–response relation.Conclusions:Our data show that the effect of the SNP276G>T polymorphism on plasma fasting blood glucose, HbA1C, and HDL cholesterol concentrations depends on dietary carbohydrate intake.

Published
2013
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