国際会議

2024

[Invited talk]“Symmetry engineering and subband electronics using van der Waals assembly of transition metal dichalcogenides”
Tomoki Machida
International Czech – Japanese Symposium on Advanced MultiScale Materials, Prague, Czech Republic, (2024/9/26-9/28)[Presentation@9/26]

[Invited talk]“Symmetry engineering and sub-band electronics using van der Waals assembly of transition metal dichalcogenides”
Tomoki Machida
UK-Japan Symposium on 2D Materials, Cambridge, UK, (2024/9/23-9/24)[Presentation@9/24]

[Oral presentation]“Resonant Tunneling Detection of Atomic Reconstruction in Twisted Bilayer WSe₂”
Kei Kinoshita, Rai Moriya, Yung-Chang Lin, Shota Okazaki, Momoko Onodera, Yijin Zhang, Ryosuke Senga, Kenji Watanabe, Takashi Taniguchi, Takao Sasagawa, Kazu Suenaga, Tomoki Machida
36th International Conference on the Physics of Semiconductors (ICPS 2024), Ottawa, Canada, (2024/7/28-8/2)[Presentation@8/1]

[Invited talk]“Subband electronics in van der Waals junctions of transition metal dichalcogenides”
Tomoki Machida
15th Recent Progress in Graphene and2D Materials Research Conference (RPGR 2024), Nanjing, China, (2024/7/17-7/20)[Presentation@7/19]

[Invited talk]“Symmetry Engineering and Subband Electronics Using Van Der Waals Assembly of Transition Metal Dichalcogenides”
Tomoki Machida
21st International Symposium on the Physics of Semiconductors and Applications (ISPSA 2024), Jeju, Korea, (2024/6/2-6/6)[Presentation@6/3]

[Invited talk]“Hexagonal boron nitride in van der Waals junctions of two-dimensional materials: substrate, capping layer, tunnel barrier, and potential modulator”
Tomoki Machida
Boron Nitride Workshop 2024, Sydney, Australia, (2024/5/21-5/24)[Presentation@5/23]

[Poster presentation]“Evaluation of hexagonal boron nitride in van der Waals junctions of 2D materials”
Momoko Onodera, Kenji Watanabe, Miyako Isayama, Satoru Masubuchi, Rai Moriya, Takashi Taniguchi, and Tomoki Machida
Boron Nitride Workshop 2024, Sydney, Australia, (2024/5/21-5/24)[Presentation@5/22]

“Quantum transport in van der Waals junctions of 2D materials”
Tomoki Machida
The 5^th UT²-MAC (the 22^nd UT²) Student Workshop, Toronto, Canada, (2024/5/14-5/17)[Presentation@ 5/16]

“Defect-assisted tunneling transport in twisted bilayer graphene systems”
Yuki Tsuji
The 5^th UT²-MAC (the 22^nd UT²) Student Workshop, Toronto, Canada, (2024/5/14-5/17)[Presentation@ 5/16]

“Resonant tunneling in transition metal dichalcogenide/graphene van der Waals heterostructures”
Jimpei Kawase
The 5^th UT²-MAC (the 22^nd UT²) Student Workshop, Toronto, Canada, (2024/5/14-5/17)[Presentation@ 5/16]

[Oral presentation]“Resonant tunneling in monolayer WSe₂/graphene/h-BN/graphene junctions”
Yuta Seo, Jimpei Kawase, Momoko Onodera, Rai Moriya, Kenji Watanabe, Takashi Taniguchi, Tomoki Machida
APS march meeting 2024, Minneapolis, United States, 2024/3/4-3/8

[Oral presentation]“Resonant tunneling detection of atomic reconstruction in twisted bilayer WSe₂”
Kei Kinoshita, Rai Moriya, Momoko Onodera, Shota Okazaki, Yung-Chang Lin, Yijin Zhang, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, Ryosuke Senga, Kazu Suenaga, Takao Sasagawa, Tomoki Machida
APS march meeting 2024, Minneapolis, United States, 2024/3/4-3/8

[Invited talk]“Robotic fabrication and quantum transport of van der Waals junctions of 2D materials”
Tomoki Machida
International Workshop on Science of 2.5 Dimensional Materials, Fukuoka, Japan, 2024/1/16

2023

[Invited talk]“Subband electronics and symmetry engineering using van der Waals assembly of transition metal dichalcogenides”
Tomoki Machida
Workshop on Nanoscale Innovative Devices and Systems (WINDS) 2023, Hawaii, United States, 2023/12/3-12/8

“All-dry flip-over stacking of 2D crystal flakes using polyvinyl chloride”
Momoko Onodera
Workshop on Nanoscale Innovative Devices and Systems (WINDS) 2023, Hawaii, United States, 2023/12/3-12/8

[Invited talk]“Symmetry engineering and subband electronics using van der Waals assembly of transition metal dichalcogenides”
Tomoki Machida
Recent Progress in Graphene and 2D materials Research (RPGR) 2023, India, 2023/11/20-23

[Invited talk]“Symmetry engineering and subband electronics using van der Waals assmbly of transition metal dichalcogenides”
Tomoki Machida
A3 Foresight Program “12th International Workshop on 2D Materials”, China, 2023/7/20-22

[Poster presentation]“Photo response in van der Waals heterojunction based on α-In₂Se₃”
Xiaohan Yang
A3 Foresight Program “12th International Workshop on 2D Materials”, China, 2023/7/20-22

[Invited talk]“Carrier Transport in van der Waals Junctions of h-BN and Two-dimensional Materials”
Tomoki Machida
The 2023 International Workshop on “Dielectric Thin Films for Future Electron Devices: Science and Technology” (IWDTF2023), Kanazawa, Japan, 2023/10/23-25

“Evaluation of Hexagonal Boron Nitride Single Crystals for the Application in 2D Materials Science”
Momoko Onodera, Kenji Watanabe, Miyako Isayama, Takashi Taniguchi, Tomoki Machida
The 2023 International Workshop on “Dielectric Thin Films for Future Electron Devices: Science and Technology” (IWDTF2023), Kanazawa, Japan, 2023/10/23-25

“Colossal quantum Hall photo-thermoelectric response in inner contacted graphene coupled to optical cavity”
Sabin Park, Rai Moriya, Kenjiro Hayashi, Naoki Fushimi, Yijin Zhang, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, Daiyu Kondo, Shintaro Sato, and Tomoki Machida
Graphene Week 2023, Gothenburg, Sweden, 2023/9/4-9/8

[Oral presentation]“Twist-controlled resonant tunneling to probe quantum well states of few-layer WSe₂”
Kei Kinoshita, Rai Moriya, Shota Okazaki, Yijin Zhang, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, Takao Sasagawa, and Tomoki Machida
EP2DS-25 & MSS-21, Grenoble, France, 2023/7/9-7/14

[Poster presentation]“Minigap-induced negative differential resistance in resonant tunneling device based on Abstract multi-layer MoS₂”
Seiya Kawasaki, Kei Kinoshita, Rai Moriya, Yijin Zhang, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, Takao Sasagawa, and Tomoki Machida
EP2DS-25 & MSS-21, Grenoble, France, 2023/7/9-7/14

[Poster presentation]“Quantum Hall states of large-angle twisted bilayer graphene revealed in a carbon-doped Abstract hexagonal boron nitride tunnel junction”
Yuki Tsuji, Yuta Seo, Momoko Onodera, Rai Moriya, Satoru Masubuchi, Kenji Watnanabe, Takashi Taniguchi, and Tomoki Machida
EP2DS-25 & MSS-21, Grenoble, France, 2023/7/9-7/14

“Symmetry engineering in twisted bilayer WTe₂”
Y. J. Zhang, K. Kamiya, T. Yamamoto, M. Sakano, X. Yang, S. Masubuchi, S. Okazaki, K. Shinokita, K. Watanabe, T. Taniguchi6, K. Matsuda, T. Sasagawa, K. Ishizaka, T. Machida
EP2DS-25 & MSS-21, Grenoble, France, 2023/7/9-7/14

[Invited talk]“TBA”
Tomoki Machida
2D Transition Metal Dichalcogenides 2023, Cambridge, UK, 2023/6/26-29

[Invited talk]“Resonant tunneling through quantized subbands of van der Waals tunnel junctions”
Tomoki Machida
The 4th Workshop on Functional Materials Science (FMS) 2023, Busan, South Korea, 2023/6/18-21

[Invited talk]“Momentum‐ and twist‐controlled resonant tunneling device based on few‐layer WSe₂”
Rai Moriya
The 6th EU-JP Workshop on graphene and related 2D materials, Tokyo, Japan, 2023/5/25-5/26

[Oral presentation]“Resonant tunneling between quantized subbands of few-layer WSe₂ in van der Waals quantum well structures”
Kei Kinoshita
11th International Workshop on 2D Materials (A3 foresight program), Seoul, Korea, 2023/2/17-2/18

2022 and before

[Oral presentation]“Resonant tunneling between quantized subbands of few-layer WSe₂ in van der Waals double quantum well structures”
Kei Kinoshita, Rai Moriya, Shota Okazaki, Yijin Zhang, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, Takao Sasagawa, and Tomoki Machida
The 35th International Conference on the Physics of Semiconductors (ICPS 2022), Sydney, Australia, 2022/6/27-6/30

“Photo-thermoelectric response in Landau-quantized graphene-based van der Waals heterostructures”
S. Park
The 9th International Workshop on 2D Materials (A3 foresight program), online meeting, 2022/2/17-2/18

招待講演 “Autonomous robotic searching and assembly of two-dimensional crystals to build van der Waals superlattices”

S. Masubuchi
2nd International Workshop on 2D Materials, Nanjing University, Nanjing, China, 2019/2/23

“Data-driven machine-learning clustering analysis to automatically classify exfoliated graphene flakes from optical microscope images”

S. Masubuchi, T. Machida
American Physical Society March Meeting 2019 (APS March meeting 2019), Boston Convention and Exhibition Center, Boston, USA, 2019/3/5

“Robotic assembly and mid-infrared photoresponse of van der Waals junctions of graphene and 2D materials”

T. Machida
3rd JST/CREST/2D Workshop in Singapore, Marina Bay Sands Hotel, Singapore, 2019/3/15

招待講演 “Mid-Infrared Photoresponse and Robotic Fabrication of Graphene/h-BN van der Waals Heterostructures”

T. Machida
Compound Semiconductor Week 2019 [CSW2019], 奈良春日野国際フォーラム, Nara, Japan, 2019/5/20

“Cyclotron resonance absorption in trilayer graphene”

Momoko Onodera, Miho Arai, Satoru Masubuchi, Kei Kinoshita, Rai Moriya, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Compound Semiconductor Week 2019 [CSW2019], 奈良春日野国際フォーラム, Nara, Japan, 2019/5/20

招待講演 “Quantum Transport and Robotic Fabrication of van der Waals Heterostructures of 2D Materials”

T. Machida
EM-NANO2019, アクア・イノベーション拠点AICS, 信州大学長野 (工学) キャンパス, Nagano, Japan, 2019/6/21

“Subband-resolved resonant tunneling in trilayer graphene/h-BN/graphene van der Waals heterostructures”

Yuta Seo, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Graphene Week 2019, Helsinki Scandic Marina Congress Center, Helsinki, Finland, 2019/9/24

招待講演 “Quantum Transport and Robotic Fabrication of van der Waals Junctions of Graphene and 2D Materials”

T. Machida
SemiconNano2019, 神戸大学先端融合研究環統合研究拠点コンベンションホール, Kobe, Japan, 2019/9/26

招待講演 “Autonomous robotic assembly of two-dimensional crystals to build van der Waals superlattices”

Satoru Masubuchi, M. Morimoto, S. Morikawa, M. Onodera, Y. Asakawa, K. Watanabe, T. Taniguchi, and T. Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/7

“Electrical tuning of cyclotron resonance magnetic field in a dual-gated trilayer graphene/h-BN vdW heterostructrue”

Momoko Onodera, Miho Arai, Satoru Masubuchi, Kei Kinoshita, Rai Moriya, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/7

“Dry Release Transfer of Graphene and Few-layer h-BN by utilizing Thermoplasticity of Polypropylene Carbonate for Fabricating van der Waals Heterostructures”

Rai Moriya, Kei Kinoshita, Momoko Onodera, Yusai Wakafuji, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan. 2019/10/7

“Transport properties of graphene on h-BN grown with an alloy solvent at atmospheric pressure”

Momoko Onodera, Takashi Taniguchi, Kenji Watanabe, Satoru Masubuchi, Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe(Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/7

“Heat Transfer between Graphene Layers in Graphene/h-BN/Graphene van der Waals Heterostructure”

Rai Moriya, Kei Kinoshita, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/8

“Subband-resolved resonant tunneling in trilayer graphene/h-BN/graphene heterostructures”

Yuta Seo, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/8

“Superconductivity in exfoliated transition-metal dinitrides ReN2”

Momoko Onodera, Fumio Kawamura, Kenji Watanabe, Nguyen Thanh Cuong, Susumu Okada, Takashi Taniguchi, Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/8

“Influence of C-rich domain in h-BN on the carrier transport in graphene/h-BN van der Waals heterostructures”

Momoko Onodera, Kenji Watanabe, Miyako Isayama, Miho Arai, Satoru Masubuchi, Takashi Taniguchi, Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/8

“Cyclotron Resonance-induced Thermionic Emission in Graphene/MoS₂ van del Waals Schottky Junctions”

Yusai Wakafuji, Rai Moriya, Sabin Park, Kei Kinoshita, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/8

“Detection of cyclotron resonance in graphene using Photo-Seebeck and photo-Nernst effects”

Kei Kinoshita, Rai Moriya, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe (Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/9

“Cyclotron Resonance and Landau Level Spectroscopy in Graphene/MoS2 heterostructure”

Sabin Park, Rai Moriya, Yusai Wakafuji, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Recent Progress in Graphene and 2D Materials Research 2019 (RPGR2019), Matsue Kunibiki Messe(Shimane Prefectural Convention Center), Matsue, Japan, 2019/10/9

招待講演 “Evaluation of hexagonal boron nitride as a substrate for 2D materials”

T. Machida
10th A3 Symposium on Emerging Materials, Sungkyunkwan University, Suwon, Korea, 2019/10/28

招待講演 “Quantum Transport and Robotic Assembly of van der Waals Junctions of Graphene and 2D Materials”

T. Machida
32nd International Microprocesses and Nanotechnology Conference (MNC 2019), International Conference Center Hiroshima, Hiroshima, Japan, 2019/10/30

招待講演 “Automatic searching and robotic assembly of 2D materials”

T. Machida
TSMC-UTokyo Research Symposium, TSMC, Taipei, Taiwan, 2019/11/1

招待講演 “Cyclotron resonance absorption of mid-infrared light in van der Waals heterostructures of graphene and 2D materials

T. Machida
The 4th Graphene Flagship EU-Japan Workshop on Graphene and related 2D materials, Scuola Normale Superiore(Palazzo della Carovana), Pisa, Italy, 2019/11/18

招待講演 “Magneto-thermoelectric Phenomena in h-BN/Graphene/h-BN van der Waals Heterostructure”

Rai Moriya, Kei Kinoshita, Yusai Wakafuji, Sabin Park, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida,
14th Asia-Pacific Physics Conference 2019 (APPC14), Borneo Convention Centre Kuching (Malaysia), Borneo, Malaysia, 2019/11/18

招待講演 “Cyclotron Resonance Absorption of Midinfrared Light in van der Waals Heterostructures of Graphene and 2D materials”

T. Machida
WINDS 2019, Fairmont Orchid Hotel, Hawaii, USA, 2019/12/5

招待講演 “Quantum transport and robotic fabrication of van der Waals junctions of graphene and 2D materials”

T. Machida
MATERIALS RESEARCH MEETING 2019 (MRM2019), 横浜シンポジア, Yokohama, Japan 2019/12/11

招待講演 “Quantum transport in van der Waals junctions of graphene and hexagonal boron nitride”

T. Machida
1&2DM International Conference 2020, 東京ビッグサイト, Tokyo, Japan 2020/1/29

“Evaluation of hexagonal boron nitride crystals in terms of an insulating building block of van der Waals heterostructures”

M. Onodera, K. Watanabe, M. Isayama, S. Masubuchi, R. Moriya, T. Taniguchi, T. Machida
SSDM2020, All-VIRTUAL conference, 2020/9/28

“Deep-learning-assisted robotic assembly of van der Waals superlattices”

S. Masubuchi, E. Watanabe, Y. Seo, M. Onodera, S. Okazaki, T. Sasagawa, K. Watanabe, T. Taniguchi, T. Machida
SSDM2020, All-VIRTUAL conference, 2020/9/28

“Degenerately Doped p+-MoS₂ as a High Work Function Electrode Materialin van der Waals Heterostructure”

R. Moriya, K. Takeyama, S. Masubuchi, K. Watanabe, T. Taniguchi, T. Machida
SSDM2020, All-VIRTUAL conference, 2020/9/29

“Mid-infrared photoresponse due to cyclotron resonance absorption in gra-phene/h-BN van der Waals heterostructures”

T. Machida, M. Onodera, S. Masubuchi, K. Kinoshita, R. Moriya, K. Watanabe, T. Taniguchi
SSDM2020, All-VIRTUAL conference, 2020/9/29

“Dark-state impact on the exciton recombination of monolayer WS2 embedded in van der Waals heterostructures”

T. Kuroda, Y. Hoshi, K. Watanabe, T. Taniguchi, R. Kitaura, T. Machida
SSDM2020, All-VIRTUAL conference, 2020/9/29

“Robotic assembly of two-dimensional crystals to build van der Waals superlattices”

Satoru Masubushi
2021 International Meeting on Thin Film Interfaces and Composite Crystals (IMTFCS2020), hybrid onsite / online meeting, Okayama, Japan, 2021/1/26

“Emergence of orbital angular moment at van Hove singularity in graphene/h-BN moiré superlattice”

Rai Moriya
A3 Foresight Program: The 7th International Workshop on 2D Materials, (Online meeting), 2021/2/19

招待講演 “Bulk photovoltaic effect in two-dimensional materials”

Y. J. Zhang
University of Cambridge – The University of Tokyo Online Workshop on
Advanced Materials for Energy, online meeting, 2021/3/3

“Influence of the Carbon-Rich Domain in Hexagonal Boron Nitride Single Crystals on Transport Properties of Adjacent Graphene”

M. Onodera
14th International Conference on New Diamond and Nano Carbons 2020/2021(NDNC 2020/2021), online meeting, 2021/6/8

“Influence of carbon impurities in hexagonal boron nitride crystals on carrier transport properties of adjacent graphene through van der Waals interface”

M. Onodera
The 8th International Workshop on 2D Materials, hybrid onsite / online meeting, Shanghai, China, 2021/6/30

“Resonant tunneling and negative differential resistance in fewlayer WSe₂/h-BN/p+-MoS₂ van der Waals junctions”

T. Machida, K. Takeyama, R. Moriya, Y. J. Zhang, S. Masubuchi, S. Okazaki, T. Sasagawa, K. Watanabe, T. Taniguchi
RPGR2021, hybrid onsite / online meeting, Seoul, South Korea, 2021/10/10-14

“Large orbital angular moment at van Hove singularity in graphene/h-BN moiré superlattice probed by magneto-thermoelectric measurement”

R. Moriya, K. Kinoshita, J. A. Crosse, K. Watanabe, T. Taniguchi, S. Masubuchi, P. Moon, M. Koshino, T. Machida
RPGR2021, hybrid onsite / online meeting, Seoul, South Korea, 2021/10/10-14

“Cyclotron resonance absorption in monolayer graphene under double moiré potentials”

M. Onodera, K. Kinoshita, R. Moriya, S. Masubuchi, K. Watanabe, T. Taniguchi, T. Machida
RPGR2021, hybrid onsite / online meeting, Seoul, South Korea, 2021/10/10-14

“Transfer method in the liquid phase for two-dimensional materials”

Y. Wakafuji, R. Moriya, S. Masubuchi, K. Watanabe, T. Taniguchi, T. Machida
RPGR2021, hybrid onsite / online meeting, Seoul, South Korea, 2021/10/10-14

“Quantum Hall photo-thermoelectric effect in inner contact graphene device”

S. Park, R. Moriya, Y. Seo, Y. J. Zhang, S. Masubuchi, K. Watanabe, T. Taniguchi, T. Machida
RPGR2021, hybrid onsite / online meeting, Seoul, South Korea, 2021/10/10-14

“Generation of orbital angular moment at van Hove singularity in rotationally aligned graphene/h-BN moiré superlattice”

R. Moriya
Japan-EU Workshop 2021 (The 5th Japan-EU Workshop on Graphene and Related 2D Materials), online meeting, 2021/10/25

“Emergence of orbital moment at van Hove singularity in graphene/h-BN moiré superlattice probed by magneto-thermoelectric measurement”

R. Moriya
EP2DS-24/MSS-20 Joint Conference (24th International Conference on Electronic Properties of Two-Dimensional Systems, 20th International Conference on Modulated Semiconductor Structures), online meeting, 2021/10/31-11/5

“Photo-thermoelectric response in Landau-quantized graphene-based van der Waals heterostructures”

S. Park
The 9th International Workshop on 2D Materials (A3 foresight program), online meeting, 2022/2/17-2/18

“Defect-assisted tunneling transport in twisted bilayer graphene systems”

Y. Tsuji
The 5th UT2-MAC (the 22nd UT2) Student Workshop, Toronto, Canada, 2024/5/14-5/17

“Resonant tunneling in graphene/transition metal dichalcogenide/graphene van der Waals heterostructure”

J. Kawase
The 5th UT2-MAC (the 22nd UT2) Student Workshop, Toronto, Canada, 2024/5/14-5/17