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PUBLICATION

JOURNALS

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

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

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

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

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

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

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

2011

Transition of dominant instability mechanism depending on negative gate bias under illumination in amorphous In-Ga-Zn-O thin film transistor

APPLIED PHYSICS LETTERS

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

2011

Enhanced bias illumination stability of oxide thin film transistor through insertion of ultrathin positive charge barrier into active material

APPLIED PHYSICS LETTERS

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

2011

Effects of the composition of sputtering target on the stability of InGaZnO thin film transistor

Thin Solid Films

Jun-Young Huh, Jae-Hong Jeon, Hee-Hwan Choea, Kang-Woong Lee, Jong-Huyn Seo, Min-Ki Ryu, Sang-Hee Ko Park, Chi-Sun Hwang, Woo-Seok Cheong

2011

Inverters Using Only N-Type Indium Gallium Zinc Oxide Thin Film Transistors for Flat Panel Display Applications

Japanese Journal of Applied Physics

Tong-Hun Hwang, Ik-Seok Yang, Oh-Kyong Kwon, Min-Ki Ryu, Choon-Won Byun, Chi-Sun Hwang, and Sang-Hee Ko Park

2011

Oxide-Thin-Film-Transistor-Based Ferroelectric Memory Array

IEEE Electron Device Letters

Byeong Hoon Kim, Chun Won Byun, Sung-Min Yoon, Shin Hyuk Yang, Soon-Won Jung, Min Ki Ryu, Sang-Hee Ko Park, Chi-Sun Hwang, Kyoung-Ik Cho, Oh-Sang Kwon, Eun-Suk Park, Him Chan Oh, Kyoung-Hwan Kim, and Kee Chan Park

2011

Bending characteristics of ferroelectric polyvinylidene Fluoride trifluoroethylene capacitors fabricated on flexible polyethylene naphthalate substrate

Current Applied Physics

Sung-Min Yoon, Soon-Won Jung, Shinhyuk Yang, Sang-Hee Ko Park, Byoung-Gon Yu, Hiroshi Ishiwara

2011

Nonvolatile memory thin-film transistors using an organic ferroelectric gate insulator and an oxide semiconducting channel

Semiconductor Science and Technology

Sung-Min Yoon, Shinhyuk Yang, Chun-Won Byun, Soon-Won Jung, Min-Ki Ryu, Sang-Hee Ko Park, ByeongHoon Kim, Himchan Oh, Chi-Sun Hwang and Byoung-Gon Yu

2011

See-Through Nonvolatile Memory Thin-Film Transistors Using a Ferroelectric Copolymer Gate Insulator and an Oxide Semiconductor Channel

Journal of the Korean Physical Society

Sung-Min Yoon; Chun-Won Byun; Shinhyuk Yang; Sang-Hee Ko Park; Doo-Hee Cho; Soon-Won Jung; Seung-Youl Kang; Chi-Sun Hwang

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2011

Polymeric ferroelectric and oxide semiconductor-based fully transparent memristor cell

 Applied Physics A

Sung-Min Yoon, Shinhyuk Yang, Soon-Won Jung, Chun-Won Byun, Min-Ki Ryu, Woo-Seok Cheong, ByeongHoon Kim, HimChan Oh, Sang-Hee Ko Park and Chi-Sun Hwang

2011

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

IEEE Transaction on electron Devices

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

2011

Low-Temperature Processed Flexible In-Ga-Zn-O thin film transistors Exhibiting High Electrical Performance

IEEE Electron Device Letters

Shinhyuk Yang; Jun Yong Bak; Sung-Min Yoon; Min Ki Ryu; Himchan Oh; Chi-Sun Hwang; Gi Heon Kim; Sang-Hee Ko Park; Jin Jang

2011

Water-related abnormal instability of transparent oxide/organic hybrid thin film transistors

APPLIED PHYSICS LETTERS

Shinhyuk Yang, Chi-Sun Hwang, Jeong-Ik Lee, Sung-Min Yoon, Min-Ki Ryu, Kyoung-Ik Cho, Sang-Hee Ko Park, Se-Hyun Kim, Chan-Eon Park, and Jin Jang

2011

Suppression in the negative bias illumination instability of Zn-Sn-O transistor using oxygen plasma treatment

APPLIED PHYSICS LETTERS

Shinhyuk Yang, Kwang Hwan Ji, Un Ki Kim, Cheol Seong Hwang, Sang-Hee Ko Park, Chi-Sun Hwang, Jin Jang, and Jae Kyeong Jeong

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