ヘジュンジョ (Hai Jun Cho) - マイポータル

基本情報

所属: Hokkaido University Assistant professor

学位: Ph.D(University of Toronto)
M.Sc(University of Toronto)
B.Sc(Queen's University)

J-GLOBAL ID: 201801001162529050
researchmap会員ID: B000302623

研究キーワード

研究分野

受賞

2021年9月

Best Presentation Award, VWT 2021
2019年1月

Matsumoto-Hatori Award, 電子科学研究所、北海道大学

ヘジュンジョ

論文

Solid-State Electrochemical Thermal Transistors with Strontium Cobaltite–Strontium Ferrite Solid Solutions as the Active Layers

Zhiping Bian, Qian Yang, Mitsuki Yoshimura, Hai Jun Cho, Joonhyuk Lee, Hyoungjeen Jeen, Takashi Endo, Yasutaka Matsuo, Hiromichi Ohta

ACS Applied Materials & Interfaces 15(19) 23512-23517 2023年5月3日
Solid‐State Electrochemical Thermal Transistors

Qian Yang, Hai Jun Cho, Zhiping Bian, Mitsuki Yoshimura, Joonhyuk Lee, Hyoungjeen Jeen, Jinghuang Lin, Jiake Wei, Bin Feng, Yuichi Ikuhara …

Advanced Functional Materials 2214939-2214939 2023年2月21日
Modulation of electrical and thermal transports through lattice distortion in BaTi_1–xNb_xO₃ solid solutions

Yuqiao Zhang, Hai Jun Cho, Feng Jiang, Chengliang Xia, Yue Chen, Weishu Liu, Hiromichi Ohta

Nanotechnology 33(40) 405702-405702 2022年10月1日
Ba_1/3CoO₂: A Thermoelectric Oxide Showing a Reliable ZT of ∼0.55 at 600 °C in Air

Xi Zhang, Yuqiao Zhang, Liao Wu, Akihiro Tsuruta, Masashi Mikami, Hai Jun Cho, Hiromichi Ohta

ACS Applied Materials & Interfaces 14(29) 33355-33360 2022年7月27日
Optoelectronic properties of transparent oxide semiconductor ASnO₃ (A = Ba, Sr, and Ca) epitaxial films and thin film transistors

Anup V. Sanchela, Mian Wei, Hai Jun Cho, Hiromichi Ohta

Journal of Vacuum Science & Technology A 40(2) 020803-020803 2022年3月
Specular Acoustic Vibrational Wave Transmissions with the Presence of Phononic Bandgaps

Hai Jun Cho, Yuzhang Wu, Jiajun Qi, Yuna Kim, Hiromichi Ohta, Osamu Matsuda

Journal of the Physical Society of Japan 91(1) 2022年1月15日
Pressure-tunable thermal conductivity observed for bisamide functionalized diacetylene crystals

Jiajun Qi, Yuzhang Wu, Hai Jun Cho, Yuna Kim, Hiromichi Ohta, Nobuyuki Tamaoki

Journal of Materials Science 56(27) 15481-15490 2021年9月22日責任著者
Reversible Redox Control of Optoelectronic Properties of Hexagonal Tungsten Oxide Epitaxial Films Grown on YSZ Solid Electrolyte

Gowoon Kim, Hai Jun Cho, Hiromichi Ohta

ACS Applied Electronic Materials 3(8) 3619-3624 2021年8月24日
Low thermal conductivity of SrTiO 3 −LaTiO 3 and SrTiO 3 −SrNbO 3 thermoelectric oxide solid solutions

Yuqiao Zhang, Hai Jun Cho, Kenyu Sugo, Masashi Mikami, Sungmin Woo, Myung‐Chul Jung, Yao‐Hua Zhuang, Bin Feng, Yu‐Miin Sheu, Woosuck Shin …

Journal of the American Ceramic Society 104(8) 4075-4085 2021年8月24日
Solid-State Electrochemical Protonation of SrCoO2.5 into HxSrCoO2.5 (x = 1, 1.5, and 2)

Qian Yang, Joonhyuk Lee, Hyoungjeen Jeen, Hai Jun Cho, Hiromichi Ohta

ACS Applied Electronic Materials 3(7) 3296-3300 2021年7月27日
Thermal Diffusivity of the Mott Insulator Ca2RuO4 in a Non-equilibrium Steady State

Shuji Kawasaki, Akitoshi Nakano, Hiroki Taniguchi, Hai Jun Cho, Hiromichi Ohta, Fumihiko Nakamura, Ichiro Terasaki

Journal of the Physical Society of Japan 90(6) 063601-063601 2021年6月15日
Solid-state electrochemical redox control of the optoelectronic properties for SrFeOx thin films

Qian Yang, Hai Jun Cho, Hyoungjeen Jeen, Hiromichi Ohta

Journal of Applied Physics 129(21) 215303-215303 2021年6月1日
Anomalously Low Heat Conduction in Single‐Crystal Superlattice Ceramics Lower Than Randomly Oriented Polycrystals

Hai Jun Cho, Yuzhang Wu, Yu‐Qiao Zhang, Bin Feng, Masashi Mikami, Woosuck Shin, Yuichi Ikuhara, Yu‐Miin Sheu, Keiji Saito, Hiromichi Ohta

Advanced Materials Interfaces 2001932-2001932 2021年4月15日
Anisotropic Electrical Conductivity of Oxygen-Deficient Tungsten Oxide Films with Epitaxially Stabilized 1D Atomic Defect Tunnels

Gowoon Kim, Bin Feng, Sangkyun Ryu, Hai Jun Cho, Hyoungjeen Jeen, Yuichi Ikuhara, Hiromichi Ohta

ACS Applied Materials & Interfaces 13(5) 6864-6869 2021年2月10日
Room Temperature Insulator-to-Metal Transition of VO2/TiO2 Epitaxial Bilayer Films Grown on M-plane Sapphire Substrates

Binjie Chen, Gowoon Kim, Hai Jun Cho, Hiromichi Ohta

Advanced Electronic Materials 2021年
Layered cobalt oxide epitaxial films exhibiting thermoelectric ZT = 0.11 at room temperature

Yugo Takashima, Yu-qiao Zhang, Jiake Wei, Bin Feng, Yuichi Ikuhara, Hai Jun Cho, Hiromichi Ohta

Journal of Materials Chemistry A 9(1) 274-280 2021年
Optimization of Two-Dimensional Channel Thickness in Nanometer-Thick SnO2-Based Top-Gated Thin-Film Transistors Using Electric Field Thermopower Modulation: Implications for Flat-Panel Displays

Doudou Liang, Bin-jie Chen, Bin Feng, Yuichi Ikuhara, Hai Jun Cho, Hiromichi Ohta

ACS Applied Nano Materials 3(12) 12427-12432 2020年12月24日
Tuning of the Optoelectronic Properties for Transparent Oxide Semiconductor ASnO3 by Modulating the Size of A-Ions

Mian Wei, Hai Jun Cho, Hiromichi Ohta

ACS Applied Electronic Materials 2(12) 3971-3976 2020年12月22日
High Electron and Low Heat Transports of 1D Atomic Defect Tunnels Stabilized in Tungsten Oxide Epitaxial Films

Gowoon Kim, Bin Feng, Yu-Miin Sheu, Hai Jun Cho, Yuichi Ikuhara, Hiromichi Ohta

ECS Meeting Abstracts 2020年11月23日
Electrochemical Manipulation of the Electron Transports of SrCoO x Epitaxial Films

Qian Yang, Hai Jun Cho, Hyoungjeen Jeen, Hiromichi Ohta

ECS Meeting Abstracts 2020年11月23日

もっとみる

共同研究・競争的資金等の研究課題

Heat Conduction in Superlattices

Hokkaido University 2020年8月 - 2021年3月
透明酸化物半導体(Ba, Sr)SnO3薄膜の真空熱処理による高移動度化

Nippon Glass Sheet Foundation 2019年4月 - 2021年3月

ヘジュンジョ