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JOURNALS

2014

Influence of gate dielectric/channel interface engineering on the stability of amorphous indium gallium zinc oxide thin-film transistors

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE

Sung Haeng Cho, Min Ki Ryu, Hee-Ok Kim, Oh-Sang Kwon, Eun-Sook Park, Yong-Suk Roh,Chi-Sun Hwang, and Sang-Hee Ko Park

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2014

Negative-Bias Light Stress Instability Mechanisms of the Oxide-Semiconductor Thin-Film Transistors Using In–Ga–O Channel Layers Deposited With Different Oxygen Partial Pressures

IEEE Transactions on Electron Devices

Jun Yong Bak, Shinhyuk Yang, Ho-Jun Ryu, Sang Hee Ko Park, Chi Sun Hwang, and Sung Min Yoon

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2013

Bilayered Etch-Stop Layer of Al2O3/SiO2 for High-Mobility In–Ga–Zn–O Thin-Film Transistors

Japanese Journal of Applied Physics

Sang-Hee Ko Park, Jong Woo Kim, Min-Ki Ryu, Jae-Eun Pi, Chi-Sun Hwang, and Sung-Min Yoon

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2013

Comparative studies on electrical bias temperature instabilities of In–Ga–Zn–O thin film transistors with different device configurations

Solid State Electronics

Min-Ki Ryu, Sang-Hee Ko Park, Chi-Sun Hwang, Sung-Min Yoon

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2013

A Transparent Logic Circuit for RFID Tag in a-IGZO TFT Technology

ETRI Journal

Byung-Do Yang, Jae-Mun Oh, Hyeong-Ju Kang, Sang-Hee Ko Park, Chi-Sun Hwang, Min Ki Ryu, and Jae-Eun Pi

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2013

A simple shift register circuit for depletion-mode oxide TFTs

Solid-State Electronics

Jae-Eun Pi, Min Ki Ryu, Chi-Sun Hwang, Sang-Hee Ko Park, Sung-Min Yoon, HongKyun Lym, YeonKyung Kim, HwanSool Oh, KeeChan Park

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2013

Double-layered passivation film structure of Al2O3/SiNx for high mobility oxide thin film transistors

Journal of Vacuum Science & Technology B

Sang-Hee Ko Park, Ryu, Min-Ki, Oh, Himchan, Chi-Sun Hwang, Jeon, Jae-Hong, Sung-Min Yoon

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2013

An ‘aqueous route’ for the fabrication of low-temperature-processable oxide flexible transparent thin-film transistors on plastic substrates

NPG Asia Materials

Young Hwan Hwang, Jin-Suk Seo, Je Moon Yun, HyungJin Park, Shinhyuk Yang, Sang-Hee Ko Park and Byeong-Soo Bae

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2013

A Low-Power Single-Input Level Shifter for Oxide Thin-Film Transistors

Journal of Display Technology

Sang Yeon Kim, Joon Dong Kim, Yeon Kyung Kim, Hong Kyun Lym, Jin Tae Kim, Hwan Sool Oh, Jae Eun Pi, Min Ki Ryu, Chi Sun Hwang, Sang-Hee Ko Park, Byoung Gon Yu, and Kee Chan Park

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2012

Stability of a-InGaZnO thin film transistor under pulsed gate bias stress

Seung-Bum Seo, Jae-Hong Jeon, Han-Sung Park, Hee-Hwan Choe, Jong-Hyun Seo, Sang-Hee Ko Park

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2012

Effect of In-Ga-Zn-O active layer channel composition on process temperature for flexible oxide thin-film transistors

Journal of Vacuum Science & Technology B

Jun Yong Bak, Sung Min Yoon, Shinhyuk Yang, Gi Heon Kim, Sang-Hee Ko Park, , Chi-Sun Hwang

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2012

Effect of the Electrode Materials on the Drain-Bias Stress Instabilities of In–Ga–Zn–O Thin-Film Transistors

ACS Applied Materials & Interfaces

un Yong Bak, Sinhyuk Yang, Min Ki Ryu, Sang-Hee Ko Park, Chi Sun Hwang, and Sung Min Yoon

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2012

A Low-Power Scan Driver Circuit for Oxide TFTs

IEEE Electron Device Letters

Jae-Eun Pi, MinKi Ryu, Chi-Sun Hwang, ShinHyuk Yang, Sang-Hee Ko Park, Sung-Min Yoon, HongKyun Leem, YounKyung Kim, JoonDong Kim, Hwan Sool Oh, and Kee Chan Park

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2012

Investigation of the Low-Frequency Noise Behavior and Its Correlation with the Subgap Density of States and Bias-Induced Instabilities in Amorphous InGaZnO Thin-Film Transistors with Various Oxygen Flow Rates

Japanese Journal of Applied Physics

Chan-Yong Jeong, Ick-Joon Park, In-Tak Cho, Jong-Ho Lee, Euo-Sik Cho, Min Ki Ryu, Sang-Hee Ko Park, Sang-Hun Song, and Hyuck-In Kwon

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2012

Improved Stability of Atomic Layer Deposited ZnO Thin Film Transistor by Intercycle Oxidation

ETRI Journal

Himchan Oh, Sang-Hee Ko Park, Min Ki Ryu, Chi-Sun Hwang, Shinhyuk Yang, and Oh Sang Kwon

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2011

Oxide Semiconductor-Based Organic/Inorganic Hybrid Dual-Gate Nonvolatile Memory Thin-Film Transistor

IEEE Transactions on Electron Devices

Sung-Min Yoon, Shinhyuk Yang, Min-Ki Ryu, Chun-Won Byun, Soon-Won Jung, Sang-Hee Ko Park, Chi-Sun Hwang, and Kyoung-Ik Cho

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2011

Flexible Nonvolatile Memory Thin-Film Transistor Using Ferroelectric Copolymer Gate Insulator and Oxide Semiconducting Channel

Journal of The Electrochemical Society

Sung-Min Yoon, Shinhyuk Yang and Sang-Hee Ko Park

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2011

Light Response of Top Gate InGaZnO Thin Film Transistor

Japanese Journal of Applied Physic

Sang-Hee Ko Park, Minki Ryu, Sung Min Yoon, Shinhyuk Yang, Chi-Sun Hwang, Jae-Hong Jeon, and Kyounghwan Kim

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2011

Structural and Optical Properties of Cu Doped ZnO Thin Films by Co-Sputtering

Journal of Nanoscience and Nannotechnology

Chung, Sung Mook; Shin, Jae-Heon; Lee, Jeong-Min; Ryu, Min Ki; Cheong, Woo-Seok; Park, Sang-Hee Ko ; Hwang, Chi-Sun; Cho, Kyoung Ik

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2011

Light and bias stability of a-IGZO TFT fabricated by r.f. magnetron sputtering

Current Applied Physics

Jun-Young Huh, Seung-Bum Seo, Han-Sung Park, Jae-Hong Jeon, Hee-Hwan Choe, Kang-Woong Lee, Jong-Huyn Seob, Min-Ki Ryu, Sang-Hee Ko Park, Chi-Sun Hwang

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PUBLICATION

Influence of gate dielectric/channel interface engineering on the stability of amorphous indium gallium zinc oxide thin-film transistors

Negative-Bias Light Stress Instability Mechanisms of the Oxide-Semiconductor Thin-Film Transistors Using In–Ga–O Channel Layers Deposited With Different Oxygen Partial Pressures

Bilayered Etch-Stop Layer of Al2O3/SiO2 for High-Mobility In–Ga–Zn–O Thin-Film Transistors

Comparative studies on electrical bias temperature instabilities of In–Ga–Zn–O thin film transistors with different device configurations

A Transparent Logic Circuit for RFID Tag in a-IGZO TFT Technology

A simple shift register circuit for depletion-mode oxide TFTs

Double-layered passivation film structure of Al2O3/SiNx for high mobility oxide thin film transistors

An ‘aqueous route’ for the fabrication of low-temperature-processable oxide flexible transparent thin-film transistors on plastic substrates

A Low-Power Single-Input Level Shifter for Oxide Thin-Film Transistors

Stability of a-InGaZnO thin film transistor under pulsed gate bias stress

Effect of In-Ga-Zn-O active layer channel composition on process temperature for flexible oxide thin-film transistors

Effect of the Electrode Materials on the Drain-Bias Stress Instabilities of In–Ga–Zn–O Thin-Film Transistors

A Low-Power Scan Driver Circuit for Oxide TFTs

Investigation of the Low-Frequency Noise Behavior and Its Correlation with the Subgap Density of States and Bias-Induced Instabilities in Amorphous InGaZnO Thin-Film Transistors with Various Oxygen Flow Rates

Improved Stability of Atomic Layer Deposited ZnO Thin Film Transistor by Intercycle Oxidation

Oxide Semiconductor-Based Organic/Inorganic Hybrid Dual-Gate Nonvolatile Memory Thin-Film Transistor

Flexible Nonvolatile Memory Thin-Film Transistor Using Ferroelectric Copolymer Gate Insulator and Oxide Semiconducting Channel

Light Response of Top Gate InGaZnO Thin Film Transistor

Structural and Optical Properties of Cu Doped ZnO Thin Films by Co-Sputtering

Light and bias stability of a-IGZO TFT fabricated by r.f. magnetron sputtering

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