CONFERENCE

• Effect of Annealing Temperature on the Gate Controllability of ZnO Thin-Film Transistors Investigated by Impedance Spectroscopy
  Seungwook Ha, Sejin Park, Jonghyun Yun, Sungmin Park and Yoonki Hong
  2026년도 대한전자공학회 하계종합학술대회, Jun. 2026 (Poster)

• Highly Responsive NO₂ Gas Sensor Based on Sputtered SnO₂ Thin Film
  Junsu Jang, Jonghyun Yun, Sungmin Park, Seongbin Park, Suyeong Jung, Hyein Choi and Yoonki Hong
  2026년도 대한전자공학회 하계종합학술대회, Jun. 2026 (Poster)

• Effects of Post-Annealing on the Electrical Characteristics of an AlGaN/GaN HEMT
  Suim Jang, Dongjin Han, Yeji Jeong, Jeongwon Park, Minsu Jo, Hojin Moon, Sung Yun Woo and Yoonki Hong
  2026년도 대한전자공학회 하계종합학술대회, Jun. 2026 (Poster)

• Effect of Background Atmosphere on Low-Concentration NO₂ Sensing Characteristics of SnO₂-Based Resistive Sensors
  Sungmin Park, Jonghyun Yun, Sejin Park, Junsu Jang and Yoonki Hong
  2026년도 대한전자공학회 하계종합학술대회, Jun. 2026 (Poster)

• Trade-Off Between Electrical Performance and Hysteresis in ZnO Thin-Film Transistors Under Different Annealing Atmospheres
  Sejin Park, Sungmin Park, Jonghyun Yun, Junsu Jang and Yoonki Hong
  2026년도 대한전자공학회 하계종합학술대회, Jun. 2026 (Poster)

• High-Temperature Gas Sensing Characteristics of AlGaN/GaN HEMTs with SnO₂-Functionalized Gates
  Dongjin Han, Suim Jang, Hojin Moon, Sung Yun Woo and Yoonki Hong
  2026년도 대한전자공학회 하계종합학술대회, Jun. 2026 (Poster)

• Dimension-dependent Characteristics of IGZO TFTs Using Outside-Gated Probe-based TLM Method
  Yeongjin Lee, Jonghyun Yun, Sungmin Park, Su Bo Lee, Gil Ju Lee and Yoonki Hong
  The 33th Korean Conference on Semiconductors, Jan. 2026 (Poster)

• Analysis of Short-Channel Effects on IGZO Thin-Film Transistors
  Seungwook Ha, Jonghyun Yun, Sungmin Park, Su Bo Lee, Gil Ju Lee and Yoonki Hong
  The 33th Korean Conference on Semiconductors, Jan. 2026 (Poster)

• Investigation of Contact and Sheet Resistances in Unpassivated AlGaN/GaN HEMT and Its Heterostructure
  Suim Jang, Hojin Moon, Dongjin Han, Jaehyeong Park, Sung Yun Woo and Yoonki Hong
  2026 International Conference on Electronics, Information and Communication (ICEIC 2026), Jan. 2026 (Poster)

• Threshold Voltage Sensitivity to Humidity in Amorphous IGZO Thin-Film Transistors
  Sejin Park, Su Bo Lee, Jonghyun Yun, Sungmin Park, Gil Ju Lee and Yoonki Hong
  2026 International Conference on Electronics, Information and Communication (ICEIC 2026), Jan. 2026 (Poster)

• Electrical Characteristics of Amorphous IGZO TFTs Under Different Post-Annealing Ambients

Sungmin Park, Su Bo Lee, Jonghyun Yun, Sejin Park, Gil Ju Lee and Yoonki Hong
2026 International Conference on Electronics, Information and Communication (ICEIC 2026), Jan. 2026 (Poster)

• Humidity-Induced Threshold Voltage Shift in AlGaNGaN HEMTs

Dongjin Han, Suim Jang, Jaehyeong Park, Hojin Moon, Sung Yun Woo and Yoonki Hong
2026 International Conference on Electronics, Information and Communication (ICEIC 2026), Jan. 2026 (Oral)

• Temperature Dependent Sensing Characteristics of In2O3-based Si FET-type Humidity Sensor

Jonghyun Yun, Sejin Park, Sungmin Park, Gyuweon Jung, Jong-Ho Lee and Yoonki Hong
2026 International Conference on Electronics, Information and Communication (ICEIC 2026), Jan. 2026 (Oral)

• Gas-sensing Characteristics of (Hf, Zr)-codoped ZnO Thin Film Transistor

Jonghyun Yun, Dongjin Han, Sungmin Park, Sejin Park, Danyoung Cha, Jeongseok Pi, Sungsik Lee, and Yoonki Hong

2025년도 대한전자공학회 하계종합학술대회, Jun. 2025

• Analysis of Work-Function Engineering in a Vertical Channel DRAM Cell Transistor

Hansol Kim, Jisung Im, Taeseong Kwon, Jinsu Kim, Seungmin Woo, Jahyun Gu, Sung-Tae Lee, Dongkyu Jang, Yoonki Hong, and Sung Yun Woo

The 32th Korean Conference on Semiconductors, Feb. 2025 (Poster)

• Improved Performance of FET-Type Humidity Sensor With Low-Power Embedded Micro-Heater

Yoonki Hong

2024년도 반도체공학회 하계학술대회, Jul. 2024 (Invited)

• Improved Performance of FET-Type Humidity Sensor With Low-Power Embedded Micro-Heater

Yoonki Hong

2024 SoC 학술대회, May 2024 (Invited)

2013~2019

• Efficient integration of Si FET-type gas sensors and barometric pressure sensors on the same substrate

Dongkyu Jang, Gyuweon Jung, Yujeong Jeong, Yoonki Hong, Seongbin Hong, Wonjun Shin, Ki Soo Chang, Chan Bae Jeong, Byung-Gook Park, and Jong-Ho Lee

2019 IEEE International Electron Devices Meeting (IEDM), Dec. 2019 (Oral)

• Detection of Low Concentration NO2 gas Using Si FET-type Gas Sensor with Localized Micro-heater for Low Power Consumption

Gyuweon Jung, Yoonki Hong, Seongbin Hong, Yujeong Jeong, Wonjun Shin, Jinwoo Park, Jungkyu Lee, Dongkyu Jang, and Jong-Ho Lee

IEEE Sensors 2019, Oct. 2019 (Oral)

• The effects of operating temperature on Field Effect Transistor Gas Sensor with In₂O₃ sensing layer

Wonjun Shin, Gyuweon Jung, Yujeong Jeong, Seongbin Hong, Jinwoo Park, Yoonki Hong, Byung-Gook Park, Jong-Ho Lee

2019년도 대한전자공학회 하계종합학술대회, Jun. 2019 (Oral)

• Effect of Body Bias on Gas Response in FET-type Gas Sensor having Horizontal Floating-Gate

Jinwoo Park, Yujeong Jeong, Yoonki Hong, Seongbin Hong, Gyuweon Jung, Wonjun Shin, Jung-kyu Lee, Byung-Gook Park, Jong‒Ho Lee

2019년도 대한전자공학회 하계종합학술대회, Jun. 2019 (Oral)

• Accurate identification of gas type and concentration using DNN reflecting the sensing properties of MOSFET-type gas sensor

Gyuweon Jung, Hyeongsu Kim, Yujeong Jeong, Yoonki Hong, Meile Wu, Seongbin Hong, Wonjun Shin, Dongkyu Jang, and Jong-Ho Lee

2019 IEEE International Symposium on Olfaction and Electronic Nose (ISOEN), May 2019 (Poster)

• High performance gas sensor platform based on integrated sensing mechanisms

Jong-Ho Lee, Wonjun Shin, Gyuweon Jung, Seongbin Hong, Meile Wu, Yoonki Hong, and Yujeong Jeong

2019 International Conference on Semiconductor Technology for Ultra Large Scale Integrated Circuits and Thin Film Transistors (ULSIC vs. TFT 7), May 2019 (Oral)

• Sensing Characteristics of Si FET-type Humidity Sensor Having a WO3 Sensing Layer by Using Pulse Scheme

Yoonki Hong, Yujeong Jeong, Meile Wu, Seongbin Hong, Gyuweon Jung, Dongkyu Jang, and Jong-Ho Lee

2019 International Conference on Electronics, Information and Communication (ICEIC 2019), Jan. 2019 (Oral)

• A Si FET-type Gas Sensor with Pulse-driven Localized Micro-heater for Low Power Consumption

Yoonki Hong, Seongbin Hong, Dongkyu Jang, Yujeong Jeong, Meile Wu, Gyuweon Jung, Jong-Ho Bae, Jun Shik Kim, Ki Soo Chang, Chan Bae Jeong, Cheol Seong Hwang, Byung-Gook Park, and Jong-Ho Lee

2018 IEEE International Electron Devices Meeting (IEDM), Dec. 2018 (Oral)

• Inkjet-Printed PEI FET-Type Humidity Sensor Having a Horizontal Floating-Gate

Meile Wu, Jongmin Shin, Yoonki Hong, Dongkyu Jang, Xiaoshi Jin, and Jong-Ho Lee

The 17th International Meeting on Chemical Sensors (IMCS 2018), Jul. 2018 (Oral)

• A Novel FET-type Hydrogen Gas Sensor with Pd-decorated Single-Walled Carbon Nanotubes by Electroplating Method

Seongbin Hong, Jongmin Shin, Yoonki Hong, Meile Wu, Yujeong Jeong, Jong-Ho Bae, and Jong-Ho Lee

The 17th International Meeting on Chemical Sensors (IMCS 2018), Jul. 2018 (Oral)

• Suppression of Drift in FET-type Gas Sensor Having WS2 Nanoparticles Using Pulse Measurement

Yujeong Jeong, Jongmin Shin, Yoonki Hong, Meile Wu, Seongbin Hong, Dongkyu Jang, Ki Chang Kwon, Seokhoon Choi, Ho Won Jang, and Jong-Ho Lee

The 17th International Meeting on Chemical Sensors (IMCS 2018), Jul. 2018 (Poster)

• An FET-Type Gas Sensor for CO2 Detection at Room Temperature Using PEI-Coated SWNT

Meile Wu, Yoonki Hong, Dongkyu Jang, Xiaoshi Jin, and Jong-Ho Lee

2018 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD 2018), Jul. 2018 (Oral)

• A Novel Barometric Pressure Sensor Based on Piezoresistive Effect of Polycrystalline Silicon

Dongkyu Jang, Yoonki Hong, and Jong-Ho Lee

2018 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD 2018), Jul. 2018 (Oral)

• Highly Improved Response and Recovery Characteristics of Si FET-type Gas Sensor Using Pre-bias

Jongmin Shin, Yoonki Hong, Meile Wu, Younjin Jang, Jun Shik Kim, Byung-Gook Park, Cheol Seong Hwang, and Jong-Ho Lee

2016 IEEE International Electron Devices Meeting (IEDM), Dec. 2016 (Oral)

• Effect of APTES Layer on I-V Characteristics of MOSFET-type Gas Sensor Having Solid Electrolyte Sensing Material

Meile Wu, Jongmin Shin, Yoonki Hong, Xiaoshi Jin, and Jong-Ho Lee

Nano Korea 2016, Jul. 2016 (Oral)

• MOSFET-based humidity sensor with inkjet-printed polymer as a sensing layer

Yoonki Hong, Jongmin Shin, Meile Wu, Soo Ho Choi, Yunsik Choi, Seungil Moon, Woochul Yang, and Jong-Ho Lee

The 16th International Meeting on Chemical Sensors (IMCS 2016), Jul. 2016 (Poster)

• High Perfomance Gas Sensors Based on Si MOSFETs

Jong-Ho Lee, Yoonki Hong, Meile Wu, and Jongmin Shin

The 16th International Meeting on Chemical Sensors (IMCS 2016), Jul. 2016 (Oral)

• Sensing characteristic of lead ion using Si pMOSFET sensor under the different control-gate biases

Jongmin Shin, Yoonki Hong, Meile Wu, and Jong-Ho Lee

The 16th International Meeting on Chemical Sensors (IMCS 2016), Jul. 2016 (Oral)

• A MOSFET type Gas Sensor Having a Horizontal Floating based on ZnO

Chang-Hee Kim, Soohyun Kim, Yoonki Hong, Jongmin Shin, In-Tak Cho, Un Ki Kim, Cheol Seong Hwang, and Jong-Ho Lee

The 22th Korean Conference on Semiconductors, Feb. 2015 (Oral)

• AlGaN/GaN MISFET Gas Sensor Having a Horizontal Floating Gate

Chang-Hee Kim, Chul-Heung Kim, Yoonki Hong, Jongmin Shin, Kyu-Bong Choi, In-Tak Cho, Chul-Ho Won, Do-Kywn Kim, Jung-Hee Lee, and Jong-Ho Lee

2015 International Conference on Electronics, Information and Communication (ICEIC 2015), Jan. 2015 (Oral)

• TIN DIOXIDE GAS SENSOR PREPARED BY INKJET PRINTING METHOD

Yoonki Hong, Chang-Hee Kim, Seon-Jin Choi, Il-Doo Kim, and Jong-Ho Lee

The 7th Asia-Pacific Conference of Transducers and Micro-Nano Technology (APCOT 2014), Jun. 2014 (Poster)

• Iron Oxide (Fe3O4) Gas Sensor Prepared by Inkjet Printing Method

Yoonki Hong, Chang-Hee Kim, Byung Hyo Kim, and Jong-Ho Lee

The Korean Sensors Society Conference, Nov. 2013 (Oral)