T. Kanauchi, M. Watanabe, N. Todoroki, T. Wadayama, “Electrochemical stability of Pt/graphene/6H-SiC(0001): influence of H+-beam irradiation to graphene”, ALC’19, Miyako Messe, Kyoto, October 22 (October 20- October 25), 2019.
Y. Chida, D. Kudo, N. Todoroki, T. Wadayama, “Scanning transmission microscopic observations for Pt and SnO2 (hkl) interfaces”, ALC’19, Miyako Messe, Kyoto, October 22 (October 20- October 25), 2019.(Excellent Presentation Award)
D. Kudo, S. Kaneko, R. Myochi, Y. Chida, N. Todoroki, T. Tanabe, T. Wadayama, “Oxygen Reduction Reaction Activity of Pt/Zr/Pt(111) model catalysts”, ECSJ Fall Meeting 2019, University of Yamanashi, Kofu, September 6 (September 5 – September 6), 2019.
T. Wadayama, D. Kudo, N. Todoroki, T. Wadayama, “oxygen reduction reaction activity for surface-strain-controlled Pt(111) model shell surfaces”, IVC-21, Malmo Live, Malmo, Sweden, July 2 (July 1 – July 5), 2019.
R. Myochi, T. Nagao, Y. Fugane, S. Takahashi, N. Todoroki, T. Wadayama, “Oxygen Reduction Reaction Properties for Dry-Process Synthesized Pt/TaCx Nanoparticles”, AiMES2018, Moon Palace, Cancun, Mexico, October 3 (September 30 – October 4), 2018.
M. Watanabe, J. Moon, T. Tanabe, N. Todoroki, T. Wadayama, “Oxygen Reduction Reaction Properties of Dry-Process-Synthesized Pt/graphene/SiC(0001) Model Catalyst Surfaces”, AiMES2018, Moon Palace, Cancun, Mexico, October 3 (September 30 – October 4), 2018.
H. Tsurumaki, T. Mochizuki, H. Tei, N. Todoroki, T. Wadayama, “Rotating Disk Electrode – Online Electrochemical Mass Spectrometry for Oxygen Reduction Reaction on Pt Electrode Surfaces”, AiMES2018, Moon Palace, Cancun, Mexico, October 1 (September 30 – October 4), 2018.
N. Todoroki, T. Wadayama, “Oxygen Reduction and Oxygen Evolution Reaction Activity on Co/Pt(111) Surfaces in Alkaline Solution”, AiMES2018, Moon Palace, Cancun, Mexico, September 30 (September 30 – October 4), 2018.
N. Todoroki, H. Tei, H. Tsurumaki, T. Miyakawa, T. Mochizuki, T. Wadayama, “Online Electrochemical Mass Spectrometry Study for CO2 Reduction on Co- and Sn-Deposited Au Single Crystal Surfaces”, 69th ISE Meeting, Nuovo Polo Congressuale Bologna, Bologna, Italy, September 3 (September 2 – September 7), 2018.
S. Kaneko, D. Kudo, S. Takahashi, N. Todoroki, T. Wadayama, “Oxygen Reduction Reaction Activity for Pt/Zr/Pt(111) Model Catalyst Surfaces Prepared by Arc-plasma deposition”, VASSCA9, Sydney, Australia, August 16, (August 13 – August 16), 2018.
S. Kaneko, R. Myochi, D. Kudo, S. Takahashi, N. Todoroki, T. Wadayama, “Oxygen Reduction Reaction Activity for Surface-strain-controlled Pt-M(111) Model Catalyst Surfaces Prepared in UHV”, EVC15, Geneva, Switzerland, June 20 (June 17 – June 22), 2018.
S. Kaneko, R. Myochi, S. Takahashi, N. Todoroki, T. Wadayama, T. Tanabe, “Oxygen Reduction Reaction Activity for Pt/Co/Pt(111) and Pt/Co-N/Pt(111) Model Catalyst Surfaces Fabricated by Arc-plasma Depositions”, 64th American Vacuum Society Meeting, Tampa, FL, USA, November 1 (October 29 – November 3), 2017.
S. Kaneko, R. Myochi, S. Takahashi, N. Todoroki, T. Wadayama and T. Tanabe, “Oxygen Reduction Reaction Properties for Platinum/transition-metal Model Catalyst Surfaces Prepared by Alternate Depositions of Pt and M on Pt(111)”, ISSS-8, EPOCHAL TSUKUBA, Tsukuba, Ibaraki, Japan, October 24 (October 22 – October 26), 2017.
H. Tei, H. Tsurumaki, T. Inoue, N. Todoroki and T. Wadayama, “Online Electrochemical Mass Spectrometry for electrochemical CO2 reduction products on Au(hkl) Surfaces”, ISSS-8, EPOCHAL TSUKUBA, Tsukuba, Ibaraki, Japan, October 23 (October 22 – October 26), 2017.
R. Sasakawa, M. Asano, R. Kawamura, S. Takahashi, N. Todoroki and T. Wadayama, “In-situ observation of Pt-Ni bimetallic surfaces by electrochemical scanning tunneling microscopy”, ISSS-8, EPOCHAL TSUKUBA, Tsukuba, Ibaraki, Japan, October 23 (October 22 – October 26), 2017.
N. Todoroki, H. Watanabe, S. Kaneko, M. Hosoda, Y. Bando, S. Takahashi, T. Wadayama, “Electrocatalytic Oxygen Reduction Reaction of Epitaxial Pt-Monolayers on Metal Single Crystal Substrates”, ISSS-8, EPOCHAL TSUKUBA, Tsukuba, Ibaraki, Japan, October 24 (October 22 – October 26), 2017.
N. Todoroki, H. Watanabe, S. Kaneko, M. Hosoda, Y. Bando, S. Takahashi, T. Wadayama, “Oxygen Reduction Reaction Activity for Vacuum-Deposited Pt-Monolayers on Metal Single Crystal Substrates”, 68th Annual Meeting of the International Society of Electrochemistry, Rhode Island Convention Center, Proividence, Rhode Island, USA, August 30 (August 27 – September 1), 2017.
S. Kaneko, R. Myochi, S. Takahashi, N. Todoroki, T. Wadayama, T. Tanabe, “Oxygen Reduction Reaction Activity for Strain-controlled Pt/Co Multilayered Model Catalyst Surface”, ECHEMS2017, green and elegant seaside resort town, Milano-Marittima, Italy, June 7 (June 6 – June 9), 2017.
H. Nakamura, T. Inoue, T. Matsuda, N. Todoroki, T. Wadayama, “On-Line Mass Spectrometry for Ethanol Oxidation on Well-Defined Sn/Pt(hkl) Electrode Surfaces”, PRiME2016, Hilton Hawaiian Village and the Hawaii Convention Center, Honolulu, Hawaii, USA, October 5 (October 2-7), 2016.
S. Takahashi, N. Takahashi, N. Todoroki, T. Wadayama, “Oxygen Reduction Reaction Activity and Durability for Pt/TaNx Model Catalysts Fabricated in Ultra-High-Vacuum”, PRiME2016, Hilton Hawaiian Village and the Hawaii Convention Center, Honolulu, Hawaii, USA, October 5 (October 2-7), 2016.
H. Watanabe, S. Kaneko, N. Todoroki, T. Wadayama, “Oxygen Reduction Reaction Activity and Durability for Model Pt Shell Layers on Ir(111) Prepared by Molecular Beam Epitaxy”, PRiME2016, Hilton Hawaiian Village and the Hawaii Convention Center, Honolulu, Hawaii, USA, October 5 (October 2-7), 2016.
M. Asano, R. Kawamura, N. Todoroki, T. Wadayama, “ORR Properties for Model Pt-Shell Layers Prepared on Nitrogen-Beam Irradiated Pt25Ni75(111) Substrate”, PRiME2016, Hilton Hawaiian Village and the Hawaii Convention Center, Honolulu, Hawaii, USA, October 5 (October 2-7), 2016.
N. Todoroki, Y. Bando, Y. Tani, S. Kaneko, H. Watanabe, T. Wadayama, “Surface Structures and Electrochemical Stabilities for Pt/Pd(111) Model Electrocatalysts”, PRiME2016, Hilton Hawaiian Village and the Hawaii Convention Center, Honolulu, Hawaii, USA, October 4 (October 2-7), 2016.
N. Todoroki, Y. Bando, Y. Tani, H, Watanabe, T. Wadayama, “Surface structures and electrocatalytic properties for well-defined Pt/Pd(111) surfaces”, IVC-20, Busan, Korea, August 22 (August 21 – August 26), 2016.
T. Wadayama, R. Kawamura, M. Asano, R, Sasakawa, N. Todoroki, “ORR Activity and Durability for Pt(111) Epitaxial Layers Prepared on PtxNi1-x(111) Single Crystal Alloy Substrates”, ISE 67th Annual Meeting, Hague, Netherlands, August 22 (August 21 – August 26), 2016.
R. Kawamura, M. Asano, R, Sasakawa, N. Todoroki, T. Wadayama, “Oxygen reduction reaction activities and electrochemical stabilities for Pt/PtxNi1-x(111) model catalyst surface”, European Vacuum Conference (EVC-14), Portoroz, Slovenia, June 7 (June 6 – June 10), 2016.
R. Kawamura, M. Asano, Y. Bando, H. Watanabe, S. Takahashi, N. Todoroki, T. Wadayama, “Oxygen reduction reaction activity and durability of well-defined Pt–M(111) single crystal surfaces”, PACIFICHEM2015, Hawaii Convention Center, Honolulu, Hawaii, USA, December 19 (December 15-20), 2015.
R. Kawamura, M. Asano, N. Todoroki and T. Wadayama, “Oxygen reduction reaction activities for Pt shells on PtxNi100-x(111)”, ALC’15, Kunibiki Messe, Matsue, Shimane, JAPAN, October 28 (October 25 -30), 2015.
M. Asano, R. Kawamura, N. Todoroki, T. Wadayama, “Oxygen Reduction Reaction Activities for Various-Monolayer-Thick Pt Shells on PtxNi100-x(111)”, 228th ECS Meeting, Hyatt Regency Phoennix & Phoenix Convention Center, PHOENIX, AZ, USA, October 13 (October 11-16), 2015.
S. Takahashi, H. Chiba, N. Todoroki, and T. Wadayama, “(PEFC 15 Symposium Student Poster Award Winner) Electrochemical Structural Stability of Au-Modified Pt Nanoparticles Prepared by Arc-Plasma Deposition”, 228th ECS Meeting, Hyatt Regency Phoennix & Phoenix Convention Center, PHOENIX, AZ, USA, October 13 (October 11-16), 2015.
N. Todoroki, Y. Bando, H. Watanabe, T. Wadayama, “Effects of Core-Shell Interface Structures on ORR Activities: a Model Catalyst Study of Pt/Pd(111)”, 228th ECS Meeting, Hyatt Regency Phoennix & Phoenix Convention Center, PHOENIX, AZ, USA, October 13 (October 11-16), 2015.
R. Kawamura, M. Asano, T. Todoroki, T. Wadayama, “Oxygen reduction reaction activities and electrochemical stabilities for Pt/PtxNi1-x(111) model catalyst”, ECOSS31, CCIB, Barcelona, Spain, September 3 (August 31 – September 4), 2015.
S. Takahashi, N. Tsukida, H. Suzuki, T. Tanabe and T. Wadayama, “Thermal Stability of Self-Assembled-Monolayer-Covered Ag Nanoparticles”, ISSS-7, Shimane Prefectural Convention Center, Shimane, Japan, November 4 (November 2- November 6), 2014.
N. Todoroki, Y. Iijima, Y. Takahashi, T. Kondo, Y. Asakimori, Y. Bando, and T. Wadayama, “Electrochemical Properties for UHV-Prepared Pt/M Well-Defined Single Crystal Surfaces”, 226th ECS Meeting, Moon Palace Resort, Cancun, Mexico, October 5 (October 5- October 9), 2014. (Invited)
N. Todoroki, T. Kato, S. Takahashi, T. Wadayama, “ORR activity for Pt-Ni nanoparticles on HOPG prepared by arc plasma deposition”, 226th ECS Meeting, Moon Palace Resort, Cancun, Mexico, October 8 (October 5- October 9), 2014.
Y. Asakimori, R. Kawamura, N. Todoroki, and T. Wadayama, “Electrochemical Scanning Tunneling Microscopic Observations of Pt Nanostructures Prepared by Ultra-High Vacuum Deposition Methods”, 226th ECS Meeting, Moon Palace Resort, Cancun, Mexico, October 7 (October 5- October 9), 2014.
Y. Bando, Y. Takahashi, E. Ueta, N. Todoroki, “ORR Activity for Pt/Pd(111) Bimetallic Surface Prepared By Molecular Beam Epitaxy”, 226th ECS Meeting, Moon Palace Resort, Cancun, Mexico, October 7 (October 5- October 9), 2014.
T. Kondo, T. Inoue, Y. Bando, N. Todoroki and T. Wadayama, “Electrochemical stability for MBE‐prepared Pt/Ni/Au(111)”, EVC13, University of Aveiro, Aveiro, Portugal, September 10 (September 8- September 12), 2014.
S. Takahashi, T. Kato, Y. Asakimori, N. Todoroki, and T. Wadayama, “Dry-process fabrication and electro-catalytic activity for noble metal alloy nanoparticles”, MSE-2014, Zao Royal Hotel, Zao, Japan, June 24 (June 23- June 25), 2014.
N. Todoroki, Y. Asakimori, Y. Takahashi, T. Kondo, S. Takahashi and T. Wadayama, “Oxygen reduction activity of Pt-based alloy model catalysts prepared by molecular beam epitaxy”, IUMRS-ICEM 2014, TWTC Nanggang, Taipei, Taiwan, June 11 (June 10- June 14), 2014.