発表

Juan Paolo S. Bermundo, Pongsakorn Sihapitak, Mark Ilasin, Chuanjun Wu, Radu A. Sporea, Mutsumi Kimura, and Yukiharu Uraoka, “Contact-controlled oxide semiconductor transistors for ultralow-power electronics and neuromorphic computing”, The 14th RIEC Int. Symp. on Brain Functions and Brain Computer (BFBC 2026), Sendai, February 26-27, 2026 (Invited)

Dian Budiarti Kastian, Juan Paolo Bermundo, Candell Grace Paredes Quino, Kosuke O. Hara, and Yukiharu Uraoka, Comparative Study of Vacuum-Deposited and Solution-Combustion-Synthesis Al2O3-HfO2 Gate Dielectric for a-IGZO Thin-Film Transistors, 10th IEEE Electron Devices Technology and Manufacturing (EDTM) Conference 2026, Penang, Malaysia, March 1-4, 2026

Juan Paolo S. Bermundo, Candell Grace P. Quino, Mark Ilasin, Mutsumu Kimura, Radu A. Sporea, and Yukiharu Uraoka, Oxide Semiconductors for Ultralow-Power Sustainable Electronics, 10th IEEE Electron Devices Technology and Manufacturing (EDTM) Conference 2026, Penang, Malaysia, March 1-4, 2026 (Invited)

Juan Paolo S. Bermundo and Yukiharu Uraoka, Plasma-Driven Strategies for Next-Generation Sustainable Oxide Electronics, 18th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials/19th International Conference on Plasma-NanoTechnology & Science (ISPlasma2026/IC-PLANTS2026), Nagoya, March 2-6, 2026 (Invited)

Asma Aktar, Candell Grace P. Quino, Itaru Raifuku, Hidenori Kawanishi, Yukiharu Uraoka, Kosuke O. Hara、Vapor Transport Deposition of BaS/BaSi2 Heterojunction for Solar Cell Applications、第73回応用物理学会春季学術講演会、16p-W9_323-1、東京、2026年3月15-18日

Candell Grace Paredes Quino, Kosuke O. Hara、Impact of Solution Combustion Synthesis on SnS Thin Films for Solar Cell Applications、第73回応用物理学会春季学術講演会、16p-M_101-14、東京、2026年3月15-18日

Mark Ilasin, Juan Paolo Bermundo, Pongsakorn Sihapitak, Candell Grace P. Quino, Magdaleno Rigodon Vasquez Jr., Senku Tanaka, Hidenori Kawanishi, Yukiharu Uraoka, “Enhanced Argon Plasma Treatment Strategies for Contact-Controlled Rare-Metal-Free Oxide Semiconductor Transistors” 第73回応用物理学会春季学術講演会、17a-W9_324-1、東京、2026年3月15-18日 (Invited)

Rozen Grace B. Madera, Candell Grace P. Quino, Juan Paolo S. Bermundo, Yukiharu Uraoka and Kosuke O. Hara, Investigation of the Preparation Process of Methyl-terminated Germanane Films, The 1st NEXUS Japan-Vietnam Joint Workshop on Next-Generation Semiconductor Thin-Film Technologies, Nara, Japan, March 25-28, 2026

Krittin Auewattanapun, Juan Paolo S. Bermundo, Senku Tanaka, Hidenori Kawanishi, Ratchatee Techapiesancharoenkij, Kosuke O. Hara, and Yukiharu Uraoka, Tunable Work Function in Pt–Al Solid Solutions: A Co-Sputtered Electrode Strategy for High-Performance IGZO Devices, The 20th International TFT Conference, Xiamen, China, March 28-31, 2026

Chuanjun Wu, Juan Paolo S. Bermundo, Mutsumi Kimura, Eva Bestelink, Radu A. Sporea, Kosuke O. Hara, and Yukiharu Uraoka, Simulation of Ferroelectric Multimodal Transistor (FMMT) Devices: Achieving Non-Volatile Memory and Multi-Logic for Neuromorphic Computing, The 20th International TFT Conference, Xiamen, China, March 28-31, 2026

Juan Paolo S. Bermundo and Yukiharu Uraoka, Oxide Semiconductors for next-generation ultralow-power sustainable electronics, The 20th International TFT Conference, Xiamen, China, March 28-31, 2026 (Invited)

類家 哉子、河西 秀典、浦岡 行治、原 康祐、近接蒸着法によるBaSi2成膜における原料台およびスペーサー高さの影響、第22回シリサイド系半導体・夏の学校、P18、鹿児島、2026年7月11‐12日

Candell Grace Paredes Quino, Shohei Adachi, Dian Budiarti Kastian, Juan Paolo Bermundo, Yukiharu Uraoka, and Kosuke O. Hara, Mitigation of Chloride-related Defects on Metal Oxide Transistors Prepared by Solution Process, 26th International Meeting on  Information Display, 04_3108, Busan, Korea, August 19-21, 2026

Dian Budiarti Kastian, Juan Paolo Bermundo, Candell Grace Paredes Quino, Kosuke O. Hara, and Yukiharu Uraoka, Low-Voltage Operation in Solution-Processed Ga-doped SnO2 Thin-Film Transistors Utilizing High-κ Al2O3/HfO2 Dielectric Stack, 26th International Meeting on  Information Display, 04_3045, Busan, Korea, August 19-21, 2026

Mark D. Ilasin, Jewel Kumer Saha, Samiran Roy, Juan Paolo S. Bermundo, Kosuke O. Hara, Jin Jang, and Yukiharu Uraoka, Spray-Pyrolyzed Ultra-Thin InOx/AlOx Coplanar Thin-Film Transistors for Scalable Low-Power Display Applications, 26th International Meeting on  Information Display, 04_3067, Busan, Korea, August 19-21, 2026

類家 哉子、河西 秀典、浦岡 行治、原 康祐、近接蒸着法による傾斜Si基板上へのBaSi2成膜における成膜温度の影響、第87回応用物理学会秋季学術講演会、11p-E206-5、札幌、2026年9月8‐11日

安達 昌平、Candell Grace P Quino、Juan Paolo S Bermundo、浦岡 行治、原 康祐、溶液燃焼合成法を用いた高誘電率HfO2ゲート絶縁膜による SixSnyO 薄膜トランジスタの高性能化、第87回応用物理学会秋季学術講演会、10a-E301-8、札幌、2026年9月8‐11日

長嶋 泰雅、髙橋 崇典、星川 輝、浦岡 行治、原 康祐、原子層堆積法を用いた結晶性Al添加In2O3極薄膜の合成と電気的特性、第87回応用物理学会秋季学術講演会、10a-E301-9、札幌、2026年9月8‐11日

Mark Denusta Ilasin, Juan Paolo Soria Bermundo, Mutsumi Kimura, Hidenori Kawanishi, Senku Tanaka, Kosuke O. Hara, Yukiharu Uraoka、Low-Leakage IGZO Contact-Controlled Transistor towards Long Retention Analog Memory、第87回応用物理学会秋季学術講演会、11p-E301-2、札幌、2026年9月8‐11日

Yuki Aonuma, Junji Yamanaka, Kosuke O. Hara, Keisuke Arimoto, Evaluation of interface trap density of strained Si/SiGe/Si(110) MOS structures, JSAP Tokai New Frontier Research International Workshop, Sun-B25, Nagoya, Japan, 2-Mar-25

Pengshu Chen, Junji Yamanaka, Kosuke O. Hara, Keisuke Arimoto, Epitaxial growth of Si and Ge on sapphire,  JSAP Tokai New Frontier Research International Workshop, Sun-B24, Nagoya, Japan, 2-Mar-25

中西 隆陽、上田 龍斗、山中 淳二、有元 圭介、原 康祐、機械学習モデルを活用したBaSi2真空蒸着とMgOバリア層の有効性、第72回応用物理学会春季学術講演会、14p-K210-3、千葉県野田市、2025年3月14-17日

藤本 雄太、横田 もなみ、和田 直之、鈴木 陽洋、松川 和人、松本 光二、山本 博昭、原 康祐、山中 淳二、有元 圭介、Si(110)ウエハー上に成膜したSiGe薄膜の表面形状への基板傾斜の影響、第72回応用物理学会春季学術講演会、15p-K310-8、千葉県野田市、2025年3月14-17日

Candell Grace Paredes Quino, Rita Branquinho, Emanuel Carlos, Dian Budiarti Kastian, Juan Paolo S. Bermundo, Yukiharu Uraoka, Formulation and Deposition Role on Combustion-assisted Al2O3 and Applications to SixSnyO TFTs, 19th International Transistor Conference, P-28, Nara, Japan, 25-Mar-2025

Mark D. Ilasin, Juan Paolo S. Bermundo, Pongsakorn Sihapitak, Candell Grace P. Quino, Magdaleno R. Vasquez Jr., Yukiharu Uraoka, Impact of Argon Plasma in Rare-metal-free Amorphous Oxide Source-Gated Transistors, 19th International Transistor Conference, P-9, Nara, Japan, 24-Mar-2025

Dian Budiarti Kastian, Juan Paolo S. Bermundo, Candell Grace Paredes Quino, Yukiharu Uraoka, Utilization of Solution Combustion Synthesis High-k Al2O3 Gate Insulator for Low Voltage Solution-Processed a-Ga2Ox Thin-Film Transistor, 19th International Transistor Conference, P-13, Nara, Japan, 24-Mar-2025

Mark D. Ilasin, Juan Paolo S. Bermundo, Pongsakorn Sihapitak, Candell Grace P. Quino, Magdaleno R. Vasquez Jr., Senku Tanaka, Hidenori Kawanishi, Yukiharu Uraoka, Argon Plasma-Induced Rare-metal-free Amorphous Oxide Source-Gated Transistors, SID DW, P-226, San Jose, California, May 3-8, 2025

古屋 丞司、馬場 梓、原 康祐、土井 稔、有元 圭介、山中 淳二、NBD回折円盤による面間隔評価手法のNi-Al-Ti合金中gamma'析出物への適用、日本顕微鏡学会第81回学術講演会、福岡、2025年6月9-11日

Kosuke O. Hara, Silicide-related semiconductors for solar cells and transistors, The 1st J-PEAKS NAIST-KU International Joint Symposium, Ikoma, Japan, 3-Jun-25

Krittin Auewattanapun, Juan Paolo S. Bermundo, Umu Hanifah, Hideki Nakajima, Wanwisa Limphirat, Ratchatee Techapiesancharoenkij, and Yukiharu Uraoka, Synchrotron Spectroscopic Insights into Oxygen Vacancy Engineering for Self-Aligned Solution-Processed Oxide TFTs, The 10th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2025), Fukui, Japan, June 11-14, 2025

有元 圭介、藤本 雄太、横田 もなみ、青沼 雄基、原 康祐、山中 淳二、鈴木 陽洋、和田 直之、松川 和人、松本 光二、山本 博昭、Si(110)基板上へのSiGeの結晶成長、シリコン材料・デバイス研究会、名古屋、2025年6月27日

⽮﨑 智昌、有元 圭介、⼭中 淳⼆、原 康祐、仮想スクリーニングによるBaSi2薄膜太陽電池の電極材料の探索、第22回「次世代の太陽光発電システム」シンポジウム（第5回日本太陽光発電学会学術講演会）、PD-11、東京、2025年7月2-3日

Ryota Takagaki, Keisuke Arimoto, Junji Yamanaka, Masashi Kurosawa, and Kosuke O. Hara, Effect of CaAl4–Ni source preparation on CaSi2 film synthesis by close-spaced evaporation for 2D Si nanosheet formation, The 7th Asia-Pacific Conference on Semiconducting Silicides and Related Materials (APAC-Silicide 2025), P21, Sendai, Japan, July 19-21, 2025

Mark D. Ilasin, Juan Paolo S. Bermundo, Pongsakorn Sihapitak, Candell Grace P. Quino, Magdaleno R. Vasquez Jr., and Yukiharu Uraoka, Argon Plasma Treatment on Amorphous Oxide Contact-Controlled Transistors for Sustainable Electronics, PPPL School on Plasmas for Microelectronics and Quantum Information Science, New Jersey, USA, July 22- Aug 3, 2025

Junji Yamanaka, Joji Furuya, Azusa Baba, Kosuke O. Hara, Minoru Doi and Keisuke Arimoto, Improvement of the Accuracy of Lattice Spacing Measurements using NBD Disks Obtained from Precipitates in Ni-Al-Ti Alloy, Microscopy & Microanalysis 2025 Meeting, 128, Salt Lake City, USA, July 27-31, 2025

Keizo Kashiba, Juan Paolo S. Bermundo, Yusaku Magari, Candell Grace P. Quino, Hiromichi Ohta, and Yukiharu Uraoka, Investigation of Carrier Transport Mechanism of Rare Metal-Free Oxide Thin-Film Transistors by Thermopower Modulation Analysis, 25th International Meeting on Information Display, BEXCO, Busan, South Korea, Aug 19-22,2025 

Dian Budiarti Kastian, Juan Paolo S. Bermundo, Candell Grace Paredes Quino, and Yukiharu Uraoka, High-Performance a-IGZO TFT Using Solution Combustion Synthesis High-k Al2O3 and HfO2 Hybrid Gate Insulator, 25th International Meeting on Information Display, BEXCO, Busan, South Korea, Aug 19-22,2025

塩見 浩人、原 康祐、Aditya Wahyu Anugrah、來福 至、河西 秀典、浦岡 行治、Biハライド系太陽電池の高効率化に向けた電荷輸送層の検討、第86回応用物理学会秋季学術講演会、7p-S201-6、名古屋、2025年9月7-10日

Krittin Auewattanapun, Juan Paolo S. Bermundo, Senku Tanaka, Hidenori Kawanishi, Ratchatee Techapiesancharoenkij, Yukiharu Uraoka, Balancing Work Function and Contact Resistance in IGZO TFTs via Pt-Al Alloying, 2025 International Conference on Solid State Devices and Materials (SSDM2025), N-4-01, Yokohama, Japan, September 15-18, 2025

Eva Bestelink, Pongsakorn Sihapitak, Mark D. Ilasin, Juan Paolo Bermundo, Yukiharu Uraoka, F. Maita, L. Maiolo, Radu A. Sporea, "High Transconductance Polysilicon Contact-Controlled Transistors Enabled by Offset Source Contact Doping", IEEE CAS International Semiconductor Conference, Sinaia, Romania, October 7-11, 2025

原 康祐、近接蒸着法を用いた14族ナノシート薄膜の合成、第6回 新奇二次元デバイス・物質科学ワークショップ、名古屋、2025年11月5日

Tomoaki Yazaki, Keisuke Arimoto, Junji Yamanaka, and Kosuke O. Hara, Identifying suitable electrode materials for BaSi2 solar cells by virtual screening, The 36th International Photovoltaic Science and Engineering Conference (PVSEC-36), 4Mo Po.9.3, Bangkok, Thailand, November 9-14, 2025

Candell Grace Paredes Quino, Kosuke O. Hara, SnS thin films via solution combustion synthesis: optimization of combustion temperature and fuel-to-oxidizer ratio, The 36th International Photovoltaic Science and Engineering Conference (PVSEC-36), 4Tu Po.9.6, Bangkok, Thailand, November 9-14, 2025

Yuta Fujimoto, Monami Yokota, Naoyuki Wada, Akihiro Suzuki, Kazuhito Matsukawa, Koji Matsumoto, Hiroaki Yamamoto, Kosuke O. Hara, Junji Yamanaka, Keisuke Arimoto, Effect of wafer inclination on the surface morphology of SiGe grown on Si(110) wafers, International Conference on Si Epitaxy and Heterostructures / International Si Technology and Device Meeting 2025, Kanagawa, Japan, November 10-13, 2025

Qi Chen, V. Kilchytska, Leopold Van Brandt, Eva Bestelink, Radu Alexandru Sporea, Pongsakorn Sihapitak, Juan Paolo Bermundo, Yukiharu Uraoka, Denis Flandre, Characterization and Modeling of Low-frequency Noise in IGZO Source-Gated Transistors, 9th Symposium on Schottky Barrier MOS (SB-MOS) Devices – Schottky Barrier Devices at the Edge, Vienna, November 17-18, 2025

Mark D. Ilasin, Juan Paolo S. Bermundo, Pongsakorn Sihapitak, Candell Grace P. Quino, Bryndell Alcantara, Magdaleno R. Vasquez, Jr., Senku Tanaka, Hidenori Kawanishi, Kosuke Hara, and Yukiharu Uraoka, Advancing Plasma Integration Towards Sustainable Fabrication of Rare-Metal-Free Amorphous Oxide Source-Gated Transistors, The 24th International Symposium on Advanced Technology, Hachioji, Japan, November 22-23, 2025

Ai Hanawa, Tsukasa Kishiume, Masayoshi Fuchi, Makoto Nakazumi, Juan Paolo Bermundo, Yukiharu Uraoka, "Realization of All Roll-to-Roll-Processed IGZO-TFTs with Siloxane/SiO2 Hybrid Structures", The 32nd International Display Workshops (IDW '25), Hiroshima, December 3-5, 2025 (Invited)

Eva Bestelink, Pongsakorn Sihapitak, Mark D. Ilasin, Juan Paolo Bermundo, Yukiharu Uraoka, Radu Alexandru Sporea, "Dual-Metal Source Contacts Double the Programming Speed in LTPS Pixel Circuits with Contact-Controlled TFT Switches", 32nd International Display Workshops (IDW '25), Hiroshima, December 3-5, 2025