12 records found.
Large Magnetoresistance in a Si-Based Double-Tunnel Junction with Purely Organic Radical Molecules
- Journal article
- Creator
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;Jayanta Bera (author) (Search by this author);Tuhin Shuvra Basu (author) (Search by this author);Jannic Wolf (author) (Search by this author);Haitao Zhang (author) (Search by this author)Kazuhiro Marumoto (author) (Search by this author)
https://orcid.org/0000-0001-9792-0775
(unauthenticated)
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Yutaka Wakayama (author) (Search by this author)
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Carmen Herrmann (author) (Search by this author)
https://orcid.org/0000-0002-9496-0664
(unauthenticated)
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Thomas Huhn (author) (Search by this author)
https://orcid.org/0000-0001-6292-4215
(unauthenticated)
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Ryoma Hayakawa (author) (Search by this author)
- Keyword
- organic radicals, magnetoresistance, unpaired electrons, resonant tunneling, molecular orbitals, Si-based double-tunnel junctions
- Date published
- 2026-07-01
- Updated at
- 2026-07-03 13:31:04 +0900
Atmospherically Stable Poly(Heptazine Imide) Composites
- Journal article
- Creator
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;Tatsushige Izumi (author) (Search by this author)Ryoma Hayakawa (author) (Search by this author)
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;Momoka Isobe (author) (Search by this author)Ryosuke Ohnuki (author) (Search by this author)
https://orcid.org/0000-0001-5024-3025
(unauthenticated)
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Yutaka Wakayama (author) (Search by this author)
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;Shinya Yoshioka (author) (Search by this author)Kaname Kanai (author) (Search by this author)
https://orcid.org/0000-0002-3952-5491
(unauthenticated)
- Keyword
- Ions, Irradiation, Composites, Proton conductivity
- Date published
- 2026-03-17
- Updated at
- 2026-03-24 09:34:32 +0900
Emergence of conformational diversity and complexity of supramolecular structure by the interaction of a simple molecule with a uniform surface
- Journal article
- Creator
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;S. Fatemeh Mousavi (author) (Search by this author);Aisha Ahsan (author) (Search by this author);Aaron Oechsle (author) (Search by this author);Narmadha Devi (author) (Search by this author)Yoshitaka Matsushita (author) (Search by this author)National Institute for Materials Science
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;Luiza Buimaga-Iarinca (author) (Search by this author);Cristian Morari (author) (Search by this author)Waka Nakanishi (author) (Search by this author)National Institute for Materials Science
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Katsuhiko Ariga (author) (Search by this author)National Institute for Materials Science
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Yutaka Wakayama (author) (Search by this author)National Institute for Materials Science
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;Yusuke Yamauchi (author) (Search by this author);Thomas A. Jung (author) (Search by this author)Jonathan P. Hill (author) (Search by this author)National Institute for Materials Science
- Keyword
- Porphyrin, Self-assembly, scanning tunneling microscopy, kagome lattice, hydrogen bonding
- Date published
- 2025-07-24
- Updated at
- 2025-10-30 16:30:11 +0900
Multilevel Resonant Tunneling through Purely Organic Radical Molecules in a Si-Based Double-Tunnel Junction
- Journal article
- Creator
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Jayanta Bera (author) (Search by this author)National Institute for Materials Science
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;Mikhail Kabdulov (author) (Search by this author)Yutaka Wakayama (author) (Search by this author)National Institute for Materials Science
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;Thomas Huhn (author) (Search by this author)Ryoma Hayakawa (author) (Search by this author)National Institute for Materials Science
- Keyword
- organic radicals, resonant tunneling, molecular orbitals, double-tunnel junctions, unpaired electron, quantum transport
- Date published
- 2025-04-16
- Updated at
- 2026-02-14 20:53:14 +0900
Reconfigurable artificial synapses with an organic antiambipolar transistor for brain-inspired computing
- Journal article
- Creator
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Ryoma Hayakawa (author) (Search by this author)National Institute for Materials Science
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;Yuho Yamamoto (author) (Search by this author);Kosuke Yoshikawa (author) (Search by this author)National Institute for Materials Science;Yoichi Yamada (author) (Search by this author)Yutaka Wakayama (author) (Search by this author)National Institute for Materials Science
- Keyword
- Reconfigurable artificial synapses, Organic antiambipolar transistor, Floating gate, Negative differential transconductance
- Date published
- 2025-06-11
- Updated at
- 2025-10-21 15:50:09 +0900
Mechanism of charge accumulation in potassium poly(heptazine imide)
- Journal article
- Creator
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Goichiro Seo (author) (Search by this author)
https://orcid.org/0000-0003-2912-2848
(unauthenticated)
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Ryoma Hayakawa (author) (Search by this author)
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Yutaka Wakayama (author) (Search by this author)
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;Ryosuke Ohnuki (author) (Search by this author);Shinya Yoshioka (author) (Search by this author)Kaname Kanai (author) (Search by this author)
https://orcid.org/0000-0002-3952-5491
(unauthenticated)
- Keyword
- Dark photocatalysts, Potassium poly(heptazine imide), Charge accumulation mechanism, Light irradiation
- Date published
- 2024-07-09
- Updated at
- 2024-11-11 16:30:21 +0900
Dual-Gate Anti-Ambipolar Transistor with Van der Waals ReS2/WSe2 Heterojunction for Reconfigurable Logic Operations
- Journal article
- Creator
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Yoshitaka Shingaya (author) (Search by this author)National Institute for Materials Science
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Amir Zulkefli (author) (Search by this author)
https://orcid.org/0000-0001-7013-9962
(unauthenticated)
National Institute for Materials Science
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Takuya Iwasaki (author) (Search by this author)National Institute for Materials Science
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Ryoma Hayakawa (author) (Search by this author)National Institute for Materials Science
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Shu Nakaharai (author) (Search by this author)
https://orcid.org/0000-0002-6329-3942
(unauthenticated)
National Institute for Materials Science
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Kenji Watanabe (author) (Search by this author)National Institute for Materials Science
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Takashi Taniguchi (author) (Search by this author)National Institute for Materials Science
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Yutaka Wakayama (author) (Search by this author)National Institute for Materials Science
- Keyword
- 2D materials, antiambipolar transistors, reconfigurable logic circuits, ReS2, WSe2
- Date published
- 2022-09-25
- Updated at
- 2024-09-18 12:30:12 +0900
Two‐Dimensional Living Supramolecular Polymerization: Improvement in Edge Roughness of Supramolecular Nanosheets by Using a Dummy Monomer
- Journal article
- Creator
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Zhehui Jin (author) (Search by this author)National Institute for Materials Science
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Norihiko Sasaki (author) (Search by this author)
https://orcid.org/0000-0001-8122-058X
(unauthenticated)
National Institute for Materials Science
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;Natsuki Kishida (author) (Search by this author)Masayuki Takeuchi (author) (Search by this author)National Institute for Materials Science
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Yutaka Wakayama (author) (Search by this author)National Institute for Materials Science
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Kazunori Sugiyasu (author) (Search by this author)National Institute for Materials Science
- Keyword
- supramolecular polymers, two-dimensional polymerization, dummy monomers, edge roughness
- Date published
- 2023-11-21
- Updated at
- 2024-10-25 16:30:41 +0900
Nanoporous Dna Field Effect Transistor with Potential for Random‐Access Memory Applications: A Selectivity Performance Evaluation
- Journal article
- Creator
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;Volkan Kilinc (author) (Search by this author)Ryoma Hayakawa (author) (Search by this author)National Institute for Materials Science
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;Yusuke Yamauchi (author) (Search by this author)National Institute for Materials ScienceYutaka Wakayama (author) (Search by this author)National Institute for Materials Science
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Jonathan P. Hill (author) (Search by this author)National Institute for Materials Science
- Keyword
- DNA, Field effect transistor, Random access memory
- Date published
- 2024-02-02
- Updated at
- 2024-08-19 16:30:24 +0900
Multifunctional in-memory logics based on a dual-gate antiambipolar transistor toward non-von Neumann computing architecture
- Journal article
- Creator
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Yoshitaka Shingaya (author) (Search by this author)Research Center for Materials Nanoarchitectonics (MANA)/Quantum Materials Field/Neuromorphic Devices Group, National Institute for Materials Science
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Takuya Iwasaki (author) (Search by this author)Research Center for Materials Nanoarchitectonics (MANA)/Quantum Materials Field/Qubit Materials Group, National Institute for Materials Science
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Ryoma Hayakawa (author) (Search by this author)Research Center for Materials Nanoarchitectonics (MANA)/Quantum Materials Field/Quantum Device Engineering Group, National Institute for Materials Science
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;Shu Nakaharai (author) (Search by this author)International Center for Materials Nanoarchitectonics/Nano-System Field/Quantum Device Engineering Group, National Institute for Materials ScienceKenji Watanabe (author) (Search by this author)Research Center for Electronic and Optical Materials/Optical Materials Field/Semiconductor Defect Design Group, National Institute for Materials Science
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Takashi Taniguchi (author) (Search by this author)Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science
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Junko Aimi (author) (Search by this author)Research Center for Macromolecules and Biomaterials/Macromolecules Field/Molecular Mechatronics Group, National Institute for Materials Science
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Yutaka Wakayama (author) (Search by this author)Research Center for Materials Nanoarchitectonics (MANA)/Quantum Materials Field/Quantum Device Engineering Group, National Institute for Materials Science
- Keyword
- 2D materials, antiambipolar transistor, in-memory logic, neuromorphic device, nano-floating gate, non-von Neumann computing
- Date published
- 2024-07-03
- Updated at
- 2025-06-24 08:30:41 +0900