C.J. Yu, S. Uranaka, E. Tochigi, M. Takeuchi, M. Kimura, T. Kawabata, “Hydrogen embrittlement behavior of SMAW nickel-based weld metal in 13%Ni steel: Dual role of NbC in hydrogen trapping and localized damage”, Corrosion Science 270, 114058 (2026).
H. Oguri, Y. Li, A. Osaka, R. Hara, R. Kinoshita, D. Toh, A.N. Hattori, E. Tochigi, A. Nakamura, “Atomic Step-Terrace Ordering Enables Unprecedentedly Low Pop-in Stress Scatter in GaN (0001)”, Small 22 (2026).
R.M.D. Freire, S. Uranaka, E. Tochigi, M. Kimura, T. Kawabata, “The Role of Martensite and Delta Ferrite in the Austenitic Stainless Steel Weldments”, International Journal Of Offshore And Polar Engineering 36, pp. 1-13 (2026).
S.H. Zhang, Y. Li, E. Tochigi, K. Higuchi, Y. Zhang, S. Arai, T. Zhu, S. Ogata, A. Nakamura, “Formation of a one-dimensional dislocation loop array in wurtzite zinc oxide at ambient temperature”, Journal Of Materials Science & Technology 269, pp. 173-182 (2026).
E. Tochigi, A. Nakamura, N. Shibata, Y. Ikuhara, “Dislocation Structures in {01(1)over-bar2}/⟨2(1)over-bar(1)over-bar0⟩ Low Angle Grain Boundary and Dissociation Reaction of 1/3(02(2)over-bar1) Dislocation in α-Al2O3”, Materials Transactions 67, pp. 1337-1342 (2026).
C.J. Yu, S. Uranaka, E. Tochigi, T. Okita, M. Kimura, T. Kawabata, “Characterization of carbides in nickel-base weld metals of 13 %Ni steel and first-principles study of their hydrogen solubility”, Materials Characterization 229, 115625 (2025).
E. Tochigi, H. Matsuhata, Y. Ikuhara, “Atomic and electronic structure of stacking faults on the {11<overline>02}$\{ {1\bar 102} \}$ plane in 4H-SiC”, Journal Of The American Ceramic Society 109, e70269 (2025).
R. Kinoshita, Y. Li, H. Oguri, K. Higuchi, S. Arai, E. Tochigi, A. Nakamura, “Effect of light irradiation on indentation-induced dislocation behavior in GaN oriented for basal slip”, Journal Of The American Ceramic Society 108, e20663 (2025).
F. Janus, R. Kinoshita, R.Q. Li, K. Higuchi, E. Tochigi, A. Nakamura, Y. Li, “A nanoindentation study on the room-temperature plasticity in titanium dioxide bicrystals”, Journal Of The American Ceramic Society 108, e20593 (2025).
M. Sou, S. Kondo, T. Sato, E. Tochigi, N. Shibata, Y. Ikuhara, “Atomic-scale observations of dislocation junction formation and decomposition processes in gold”, Scripta Materialia 258, 116505 (2025).
Y. Aoki, H. Masuda, E. Tochigi, H. Yoshida, “Overcoming the intrinsic brittleness of high-strength Al2O3-GdAlO3 ceramics through refined eutectic microstructure”, Nature Communications 15, 8700 (2024).
T. Sato, V.A. Menon, H. Toshiyoshi, E. Tochigi, “Microfabricated double-tilt apparatus for transmission electron microscope imaging of atomic force microscope probe”, Review Of Scientific Instruments 95, 023705 (2024).
R.M.D.M. Freire, S. Uranaka, E. Tochigi, M. Kimura, T. Kawabata, “Ductility Loss of a Metastable Austenitic Stainless Steel and Its TIG Weldment Due to Hydrogen Embrittlement at Low Temperatures Considering the Effect of Pre-strain at 4 K”, Isij International 64, pp. 2042-2050 (2024).
Y. Ogura, A. Nakamura, T. Kameyama, Y. Kurokawa, E. Tochigi, N. Shibata, T. Torimoto, S. Hoshino, T. Yokoi, K. Matsunaga, “The effect of room-temperature plastic deformation in darkness on the photoluminescence properties of ZnS”, Journal Of The American Ceramic Society 107, pp. 2040-2047 (2024).
H. Oguri, Y. Li, E. Tochigi, X.F. Fang, K. Tanigaki, Y. Ogura, K. Matsunaga, A. Nakamura, “Bringing the photoplastic effect in ZnO to light: A photoindentation study on pyramidal slip”, Journal Of The European Ceramic Society 44, pp. 1301-1305 (2024).
B. Feng, S. Hoshino, B. Miao, J.K. Wei, Y. Ogura, A. Nakamura, E. Tochigi, K. Matsga, Y. Ikuhara, N. Shibata, “Direct observation of intrinsic core structure of a partial dislocation in ZnS”, Journal Of The Ceramic Society Of Japan 131, pp. 659-664 (2023).
Y. Li, H. Oguri, A. Matsubara, E. Tochigi, X.F. Fang, Y. Ogura, K. Matsunaga, A. Nakamura, “Strain-rate insensitive photoindentation pop-in behavior in ZnS single crystals at room temperature”, Journal Of The Ceramic Society Of Japan 131, pp. 685-689 (2023).
Y. Li, X.F. Fang, E. Tochigi, Y. Oshima, S. Hoshino, T. Tanaka, H. Oguri, S. Ogata, Y. Ikuhara, K. Matsunaga, A. Nakamura, “Shedding new light on the dislocation-mediated plasticity in wurtzite ZnO single crystals by photoindentation”, Journal Of Materials Science & Technology 156, pp. 206-216 (2023).
J.K. Wei, B. Feng, E. Tochigi, N. Shibata, Y. Ikuhara, “Direct imaging of the disconnection climb mediated point defects absorption by a grain boundary”, Nature Communications 13, 1455 (2022).
C.C. Yang, B. Feng, J.K. Wei, E. Tochigi, N. Shibata, Y. Ikuhara, “Atomic and electronic band structures of Y-doped Al2O3 grain boundaries”, Journal Of The Ceramic Society Of Japan 130, pp. 286-289 (2022).
H. Nakade, E. Tochigi, B. Feng, R. Ishikawa, H. Ohta, N. Shibata, Y. Ikuhara, “Effect of annealing on grain growth and Y segregation behavior in tetragonal ZrO2 thin film”, Journal Of The American Ceramic Society 105, pp. 2300-2308 (2022).
E. Tochigi, B. Miao, A. Nakamura, N. Shibata, Y. Ikuhara, “Atomic-scale mechanism of rhombohedral twinning in sapphire”, Acta Materialia 216, 117137 (2021).
Y. Kezuka, E. Tochigi, H. Murata, M. Yoshida, A. Nakahira, Y. Ikuhara, M. Tajika, “Fabrication of calcite-core/Mg-calcite-shell nanorods for better thermal stability”, Advanced Powder Technology 32, pp. 2577-2584 (2021).
M.J. Cao, E. Tochigi, R. Imamura, N. Shibata, Y. Ikuhara, “Ultraviolet light induced hardening in gallium nitride”, Journal Of The Ceramic Society Of Japan 129, pp. 329-331 (2021).
A. Nakamura, X.F. Fang, A. Matsubara, E. Tochigi, Y. Oshima, T. Saito, T. Yokoi, Y. Ikuhara, K. Matsunaga, “Photoindentation: A New Route to Understanding Dislocation Behavior in Light”, Nano Letters 21, pp. 1962-1967 (2021).
H. Nakade, E. Tochigi, B. Feng, Y. Nezu, H. Ohta, N. Shibata, Y. Ikuhara, “Fabrication and characterization of tetragonal yttria-stabilized zirconia single-crystalline thin film”, Journal Of The American Ceramic Society 104, pp. 1198-1203 (2021).
C. Yang, B. Feng, J. Wei, E. Tochigi, S. Ishihara, N. Shibata, Y. Ikuhara, “Atomic and electronic band structures of Ti-doped Al2O3 grain boundaries”, Acta Materialia 201, pp. 488-493 (2020).
S. Ishihara, E. Tochigi, R. Ishikawa, N. Shibata, Y. Ikuhara, “Atomic structures of Ti-doped α-Al2O3σ13 grain boundary with a small amount of Si impurity”, Journal Of The American Ceramic Society 103, pp. 6659-6665 (2020).
S. Ishihara, E. Tochigi, R. Ishikawa, N. Shibata, Y. Ikuhara, “Coexistence of two different atomic structures in the σ13 pyramidal twin boundary in α-Al2O3”, Philosophical Magazine Letters 99, pp. 435-443 (2019).
Y.W. Kim, E. Tochigi, J. Tatami, Y.H. Kim, S.H. Jang, S. Javvaji, J. Jung, K.J. Kim, Y. Ikuhara, “Carrier Depletion near the Grain Boundary of a SiC Bicrystal”, Scientific Reports 9, 18014 (2019).
Y. Kezuka, E. Tochigi, H. Murata, M. Yoshida, K. Eguchi, A. Nakahira, Y. Ikuhara, M. Tajika, “Synthesis of Tunable-Aspect-Ratio Calcite Nanoparticles via Mg2+ Doping”, Crystal Growth & Design 19, pp. 6784-6791 (2019).
S. Kondo, A. Ishihara, E. Tochigi, N. Shibata, Y. Ikuhara, “Direct observation of atomic-scale fracture path within ceramic grain boundary core”, Nature Communications 10, 2112 (2019).
B. Miao, S. Kondo, E. Tochigi, J.K. Wei, B. Feng, N. Shibata, Y. Ikuhara, “The core structure of 60° mixed basal dislocation in alumina (α-Al2O3) introduced by in situ TEM nanoindentation”, Scripta Materialia 163, pp. 157-162 (2019).
E. Tochigi, T. Mizoguchi, E. Okunishi, A. Nakamura, N. Shibata, Y. Ikuhara, “Dissociation reaction of the 1/3⟨(1)over-bar101⟩ edge dislocation in α-Al2O3”, Journal Of Materials Science 53, pp. 8049-8058 (2018).
J. Hoemke, E. Tochigi, T. Tohei, H. Yoshida, N. Shibata, Y. Ikuhara, Y. Sakka, “Inversion domain network stabilization and spinel phase suppression in ZnO”, Journal Of The American Ceramic Society 101, pp. 2616-2626 (2018).
A. Nakamura, E. Tochigi, R. Nagahara, Y. Furushima, Y. Oshima, Y. Ikuhara, T. Yokoi, K. Matsunaga, “Structure of the Basal Edge Dislocation in ZnO”, Crystals 8, 127 (2018).
E. Tochigi, A. Nakamura, N. Shibata, Y. Ikuhara, “Dislocation Structures in Low-Angle Grain Boundaries of α-Al2O3”, Crystals 8, 133 (2018).
Y. Furushima, A. Nakamura, E. Tochigi, Y. Ikuhara, K. Toyoura, K. Matsunaga, “<100> Dislocation at a {20} low-angle grain boundary in LiNbO3”, Journal Of Materials Science 53, pp. 333-344 (2018).
J. Hoemke, E. Tochigi, T. Tohei, H. Yoshida, N. Shibata, Y. Ikuhara, Y. Sakka, “Inversion domain boundaries in Mn and Al dual-doped ZnO: Atomic structure and electronic properties”, Journal Of The American Ceramic Society 100, pp. 4252-4262 (2017).
A. Nakamura, K. Matsunaga, E. Tochigi, N. Shibata, Y. Ikuhara, K.P.D. Lagerlöf, “Another origin of yield drop behavior in sapphire deformed via basal slip: Recombination of climb-dissociated partial dislocations”, Scripta Materialia 138, pp. 109-113 (2017).
Y. Furushima, Y. Arakawa, A. Nakamura, E. Tochigi, K. Matsunaga, “Nonstoichiometric [012] dislocation in strontium titanate”, Acta Materialia 135, pp. 103-111 (2017).
E. Tochigi, Y. Kezuka, A. Nakamura, A. Nakamura, N. Shibata, Y. Ikuhara, “Direct Observation of Impurity Segregation at Dislocation Cores in an Ionic Crystal”, Nano Letters 17, pp. 2908-2912 (2017).
P. Gao, R. Ishikawa, E. Tochigi, A. Kumamoto, N. Shibata, Y. Ikuhara, “Atomic-Scale Tracking of a Phase Transition from Spinel to Rocksalt in Lithium Manganese Oxide”, Chemistry Of Materials 29, pp. 1006-1013 (2017).
E. Tochigi, H. Matsuhata, H. Yamaguchi, T. Sekiguchi, H. Okumura, Y. Ikuhara, “Investigation of V-shaped extended defects in a 4H-SiC epitaxial film”, Philosophical Magazine 97, pp. 657-670 (2017).
Y. Furushima, A. Nakamura, E. Tochigi, Y. Ikuhara, K. Toyoura, K. Matsunaga, “Dislocation structures and electrical conduction properties of low angle tilt grain boundaries in LiNbO3”, Journal Of Applied Physics 120, 142107 (2016).
T. Sato, E. Tochigi, T. Mizoguchi, Y. Ikuhara, H. Fujita, “An experimental system combined with a micromachine and double-tilt TEM holder”, Microelectronic Engineering 164, pp. 43-47 (2016).
J. Hoemke, A.U. Khan, H. Yoshida, T. Mori, E. Tochigi, N. Shibata, Y. Ikuhara, Y. Sakka, “Sintering characteristics and thermoelectric properties of Mn-Al co-doped ZnO ceramics”, Journal Of The Ceramic Society Of Japan 124, pp. 515-522 (2016).
H.J. Yu, Y.G. So, A. Kuwabara, E. Tochigi, N. Shibata, T. Kudo, H.S. Zhou, Y. Ikuhara, “Crystalline Grain Interior Configuration Affects Lithium Migration Kinetics in Li-Rich Layered Oxide”, Nano Letters 16, pp. 2907-2915 (2016).
E. Tochigi, A. Nakamura, T. Mizoguchi, N. Shibata, Y. Ikuhara, “Dissociation of the 1/3⟨(1)over-bar101⟩ dislocation and formation of the anion stacking fault on the basal plane in α-Al2O3”, Acta Materialia 91, pp. 152-161 (2015).
S.Y. Choi, S.D. Kim, M. Choi, H.S. Lee, J. Ryu, N. Shibata, T. Mizoguchi, E. Tochigi, T. Yamamoto, S.J.L. Kang, Y. Ikuhara, “Assessment of Strain-Generated Oxygen Vacancies Using SrTiO3 Bicrystals”, Nano Letters 15, pp. 4129-4134 (2015).
E. Tochigi, E. Zepeda-alarcon, H.R. Wenk, A.M. Minor, “In situ TEM observations of plastic deformation in quartz crystals”, Physics And Chemistry Of Minerals 41, pp. 757-765 (2014).
S. Okuoka, Y. Ogasawara, Y. Suga, M. Hibino, T. Kudo, H. Ono, K. Yonehara, Y. Sumida, Y. Yamada, A. Yamada, M. Oshima, E. Tochigi, N. Shibata, Y. Ikuhara, N. Mizuno, “A New Sealed Lithium-Peroxide Battery with a Co-Doped Li2O Cathode in a Superconcentrated Lithium Bis(fluorosulfonyl)amide Electrolyte”, Scientific Reports 4, 5684 (2014).
K. Tsuruta, E. Tochigi, Y. Kezuka, K. Takata, N. Shibata, A. Nakamura, Y. Ikuhara, “Core structure and dissociation energetics of basal edge dislocation in α-Al2O3: A combined atomistic simulation and transmission electron microscopy analysis”, Acta Materialia 65, pp. 76-84 (2014).
M. Hibino, R. Harimoto, Y. Ogasawara, R. Kido, A. Sugahara, T. Kudo, E. Tochigi, N. Shibata, Y. Ikuhara, N. Mizuno, “A New Rechargeable Sodium Battery Utilizing Reversible Topotactic Oxygen Extraction/Insertion of CaFeOz (2.5 ≤ z ≤ 3) in an Organic Electrolyte”, Journal Of The American Chemical Society 136, pp. 488-494 (2014).
A. Nakamura, E. Tochigi, J. Nakamura, I. Kishida, Y. Yokogawa, “Dislocation structure at a {(1)over-bar2(1)over-bar0}/⟨10(1)over-bar0⟩ low-angle tilt grain boundary in LiNbO3”, Journal Of Materials Science 47, pp. 5086-5096 (2012).
S. Kondo, N. Shibata, T. Mitsuma, E. Tochigi, Y. Ikuhara, “Dynamic observations of dislocation behavior in SrTiO3 by in situ nanoindentation in a transmission electron microscope”, Applied Physics Letters 100, 181906 (2012).
E. Tochigi, Y. Kezuka, N. Shibata, A. Nakamura, Y. Ikuhara, “Structure of screw dislocations in a (0001)/[0001] low-angle twist grain boundary of alumina (α-Al2O3)”, Acta Materialia 60, pp. 1293-1299 (2012).
T. Mizoguchi, K. Matsunaga, E. Tochigi, Y. Ikuhara, “First principles pseudopotential calculation of electron energy loss near edge structures of lattice imperfections”, Micron 43, pp. 37-42 (2012).
Y. Kezuka, E. Tochigi, N. Shibata, Y. Ikuhara, “TEM analysis of dislocation structures formed in the Cr-doped grain boundary of alumina”, Journal Of The Ceramic Society Of Japan 119, pp. 817-821 (2011).
Y. Kezuka, E. Tochigi, N. Shibata, C. Moon, S. Kanehira, K. Hirao, Y. Ikuhara, “Formation of a Cr3+-rich luminescent thin phase along a grain boundary of α-Al2O3”, Journal Of The Ceramic Society Of Japan 119, pp. 620-622 (2011).
E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto, Y. Ikuhara, “Dislocation structures in a {(1)over-bar104}/⟨11(2)over-bar0⟩ low-angle tilt grain boundary of alumina (α-Al2O3)”, Journal Of Materials Science 46, pp. 4428-4433 (2011).
H. Hojo, E. Tochigi, T. Mizoguchi, H. Ohta, N. Shibata, B. Feng, Y. Ikuhara, “Atomic structure and strain field of threading dislocations in CeO2 thin films on yttria-stabilized ZrO2”, Applied Physics Letters 98, 153104 (2011).
C. Moon, S. Kanehira, K. Miura, E. Tochigi, N. Shibata, Y. Ikuhara, K. Hirao, “Morphology change from nanocrack into periodic pore array formed by femtosecond laser pulses”, Journal Of Applied Physics 109, 013517 (2011).
Y. Nohara, E. Tochigi, N. Shibata, T. Yamamoto, Y. Ikuhara, “Dislocation structures and strain fields in [111] low-angle tilt grain boundaries in zirconia bicrystals”, Journal Of Electron Microscopy 59, pp. S117-S121 (2010).
E. Tochigi, N. Shibata, A. Nakamura, T. Mizoguchi, T. Yamamoto, Y. Ikuhara, “Structures of dissociated ⟨1 (1)over-bar 0 0⟩ dislocations and {1 (1)over-bar 0 0} stacking faults of alumina (α-Al2O3)”, Acta Materialia 58, pp. 208-215 (2010).
C. Moon, S. Kanehira, M. Nishi, K. Miura, T. Nakaya, E. Tochigi, N. Shibata, Y. Ikuhara, K. Hirao, “Crack Propagation in a Ruby Single Crystal by Femtosecond Laser Irradiation”, Journal Of The American Ceramic Society 92, pp. 3118-3121 (2009).
A. Nakamura, E. Tochigi, N. Shibata, T. Yamamoto, Y. Ikuhara, “Structure and Configuration of Boundary Dislocations on Low Angle Tilt Grain Boundaries in Alumina”, Materials Transactions 50, pp. 1008-1014 (2009).
E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto, Y. Ikuhara, “Partial dislocation configurations in a low-angle boundary in α-Al2O3”, Acta Materialia 56, pp. 2015-2021 (2008).
30. Eita Tochigi, Takaaki Sato, Naoya Shibata, Hiroyuki Fujita, Yuichi Ikuhara, “Atomic-scale Analysis of Mechanical Response of SrTiO3 by MEMS-based in Situ STEM Mechanical Testing”, Microsc. Microanal. 26, S2 pp. 1838-1840 (2020).
29. Eita Tochigi, Takaaki Sato, Naoya Shibata, Hiroyuki Fujita, Yuichi Ikuhara, “In situ STEM Mechanical Experiments at Atomic-Resolution Using a MEMS Device”, Microsc. Microanal. 25, S2 pp. 770-771 (2019).
28. Eita Tochigi, Hirofumi Matsuhata, Yuichi Ikuhara, “The Atomic Structure of a Prismatic Fault in 4H-SiC”, AMTC Letters 7, pp. 142-143 (2019).
27. Chuchu Yang, Bin Feng, Eita Tochigi, Naoya Shibata, Yuichi Ikuhara, “STEM Investigation of Ti-diffused Σ7 Grain Boundary of α-Al2O3”, AMTC Letters 6, pp. 136-137 (2019).
26. Yuki Kezuka, Eita Tochigi, Hidenobu Murata, Maya Yoshida, Kenichiro Eguchi, Atsushi Nakahira, Yuichi Ikuhara, Masahiko Tajika, “Microstructural Characterization of Mg-doped CaCO3 Chain-like Nanoparticles”, AMTC Letters 6, pp. 130-131 (2019).
25. Wei Zhang, Bin Feng, Eita Tochigi, Ryo Ishikawa, Naoya Shibata, Yuichi Ikuhara, “Direct Observation of Electric-Field Induced Impurity Migration across the Grain Boundaries in Al2O3”, AMTC Letters 6, pp. 84-85 (2019).
24. Hiroaki Nakade, Shun Kondo, Eita Tochigi, Bin Feng, Yukio Nezu, Hiromichi Ohta, Naoya Shibata, Yuichi Ikuhara, “Direct Observation of Tetragonal to Monoclinic Phase Transformation of Yttria Stabilized Zirconia by In-situ TEM Nanoindentation”, AMTC Letters 6, pp. 80-81 (2019).
23. Eita Tochigi, Akihito Ishihara, Shun Kondo, Naoya Shibata, Yuichi Ikuhara, “Fracture behavior of the Sigma 13 grain boundary of alpha-alumina”, 5th International Workshop on Low Temperature Bonding for 3D Integration (LTB-3D), pp. 63 (2017).
22. Saki Ishihara, Eita Tochigi, Naoya Shibata, Yuichi Ikuhara, “Atomic structure of Ti-doped alumina grain boundaries fabricated in air and reducing atmosphere”, 5th International Workshop on Low Temperature Bonding for 3D Integration (LTB-3D), pp. 79 (2017).
21. Eita Tochigi, Teruyasu Mizoguchi, Atsutomo Nakmura, Naoya Shibata, Yuichi Ikuhara, “Annular Bright Field STEM Investigation of the (0001) Stacking Fault in Alumina”, Microsc. Microanal. 22, S3 pp. 1592-1593 (2016).
20. Joshua Hoemke, Atta Ullah Khan, Hidehiro Yoshida, Takao Mori, Eita Tochigi, Naoya Shibata, Yuichi Ikuhara, Yoshio Sakka, “Microstructural Analysis and Thermoelectric Properties of Sn-Al co-doped ZnO Ceramics”, AIP Conference Proceedings 1763, 50004 (2016).
19. Eita TOCHIGI, Scott D. FINDRAY, Eiji OKUNISHI, Teruyasu MIZOGUCHI, Atsutomo NAKAMURA, Naoya SHIBATA, Yuichi IKUHARA,” Atomic Structure Characterization of Stacking Faults on the {1-100} plane in α-Alumina by Scanning Transmission Electron Microscopy” AIP Conference Proceedings 1763, 50003 (2016).
18. E. Tochigi, E. Zepeda, H.-R. Wenk, A. M. Minor,"In Situ TEM Observation of Twinning, Detwinning and Retwinning in Quartz", MEMS AND NANOTECHNOLOGY 5, pp. 31-34, (2016).
17. Peng Gao, Ryo Ishikawa, Eita Tochigi, Akihito Kumamoto, Naoya Shibata, Yuichi Ikuhara, “Annular Bright-Field Electron Microscopy Tracking Solid-State Chemical Reaction”, Microsc. Microanal. 21, S3 pp. 963-964 (2015).
16. Peng Gao, Ryo Ishikawa, Eita Tochigi, Akihito Kumamoto, Naoya Shibata, Yuichi Ikuhara, “Atomic Observation of Phase Transformation from Spinel to Rock Salt in Lithium Manganese Oxide”, Microsc. Microanal. 21, S3 pp. 333-334 (2015).
15. E. Tochigi, Y. Kezuka, A. Nakamura, N. Shibata, Y. Ikuhara,"The Structure of Screw Dislocations in an α-Al2O3 Bicrystal with a Low-angle Twist Grain Boundary", AMTC Letters 4, pp. 8-9, (2014).
14. A. Nakamura, Y. Furushima, E. Tochigi, Y. Ikuhara, K. Toyoura, K. Matsunaga,"Boundary Dislocations at a Low Angle Grain Boundary Including Twist Component in LiNbO3", AMTC Letters 4, pp. 20-21, (2014).
13. E. Tochigi, Y. Kezuka, A. Nakamura, A. Nakamura, N. Shibata, Y. Ikuhara, “HAADF STEM Observations of Impurity Distributions around Basal Dislocation in Alumina”, Microsc. Microanal. 19, S2, pp. 1960-1961 (2013).
12. S. Kondo, T. Mistuma, E. Tochigi, N. Shibata, and Y. Ikuhara, “Real-time observations of deformation in ceramics by in situ TEM nanoindentation”, AMTC Letters 3, 90-91 (2012).
11. A. Nakamura, J. Nakamura, T. Yamamoto, I. Kishida, Y. Yokogawa, E. Tochigi, “Dislocation structure of low angle tilt grain boundaries in LiNbO3”, AMTC Letters 3, 40-41 (2012).
10. Y. Kezuka, E. Tochigi, N. Shibata, C. Moon, S. Kanehira, K. Hirao, and Y. Ikuhara, “Structural analysis of Cr-rich luminescent phase formed along an alumina grain boundary”, AMTC Letters 3, 10-11 (2012).
9. E. Tochigi, A. M. Minor, M. Brandes, M. J. Milles, “In-situ TEM compression testing of Ti-7wt%Al nanopillars”, Microsc. Microanal. 18, S2, pp. 770-771 (2012).
8. E. Tochigi, N. Shibata, A. Nakamura, T. Mizoguchi, T. Yamamoto, Y. Ikuhara, “HRTEM Study of Dissociated Dislocation Structures in Low-Angle Grain Boundaries of Alumina”, Microsc. Microanal. 17, S2, pp. 1340-1341 (2011).
7. A. Nakamura, I. Okawa, J. Nakamura, E. Tochigi, I. Kishida and Y. Yokogawa, “Influence of the titanium doping on 2o tilt grain boundaries in LiNbO3”, AMTC Letters 2, 246-247 (2010).
6. E. Tochigi, N. Shibata, A. Nakamura, T. Mizoguchi, T. Yamamoto and Y. Ikuhara, “HRTEM observations of stacking fault on the {1-100} planes in sapphire (α-Al2O3)”, AMTC Letters 2, 220-221 (2010).
5. E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto and Y. Ikuhara, “Dissociated dislocations in low-angle grain boundary of alumina”, AMTC Letters 1, 232-233 (2008).
4. Y. Nohara, E. Tochigi, N. Shibata, T. Yamamoto and Y. Ikuhara, “Atomic structures of [111] low-angle tilt grain boundaries in zirconia bicrystals”, AMTC Letters 1, 22-23 (2008).
3. E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto and Y. Ikuhara, “TEM characterization of 2º tilt grain boundary in alumina”, Mater. Sci. Forum 561-565, 2427-2430 (2007).
2. A. Nakamura, E. Tochigi, N. Shibata, T. Yamamoto and Y. Ikuhara, “Dislocation structure analysis of low angle tilt grain boundaries in alumina by elastic theory”, Mater. Sci. Forum 561-565, 2465-2468 (2007).
1. E. Tochigi, A. Nakamura, N. Shibata, T. Yamamoto, K.P.D. Lagerlöf and Y. Ikuhara, “Dislocation structure of 10º low-angle tilt grain boundary in α-Al2O3”, Mater. Sci. Forum 527-529, 979-982 (2007).
13. 栃木 栄太, 佐藤 隆昭, 柴田 直哉, 藤田 博之, 幾原 雄一 “MEMSデバイスを利用した新規その場TEM機械試験システムの構築と評価”, M&M材料力学カンファレンス 2019, OS1012 (2019)
12. 野路 健人, 古嶋 佑帆, 栃木 栄太, 幾原 雄一, 横井 達矢, 中村 篤智, 松永 克志, “SrTiO3小角粒界における粒界転位の構造と電気伝導特性”, M&M材料力学カンファレンス 2017, OS1514 (2017).
11. 栃木 栄太, 中村 篤智, 柴田 直哉, 幾原 雄一、 “アルミナにおける転位コア構造解析とすべり変形機構の検討”, M&M材料力学カンファレンス 2017, OS1510 (2017).
10. 中村 篤智, 栃木 栄太, 長原 亮太, 大島 優, 横井 達矢, 松永 克志 “酸化亜鉛におけるbasal転位の構造と積層欠陥エネルギー”, M&M材料力学カンファレンス 2017, OS1515 (2017).
9. 澤田 康佑, 中村 篤智, 栃木 栄太, 豊浦 和明, 幾原 雄一, 松永 克志, “マグネシアの(110)/[001]小傾角粒界における転位偏析挙動”, M&M材料力学カンファレンス 2016, OS11-08 (2016).
8. 栃木栄太, 中村篤智, 柴田直哉, 幾原雄一," TEMその場ナノインデンテーション法によるアルミナにおける機械的双晶の動的観察", M&M材料力学カンファレンス 2015, OS1414-276 (2015).
7. 古嶋 佑帆, 中村 篤智, 栃木 栄太, 幾原 雄一, 豊浦 和明, 松永 克志, “LiNbO3における(0001)/<11-20>小傾角粒界の転位構造”, M&M材料力学カンファレンス 2015, OS1423-410 (2015).
6. 小林 宗睦, 中村 篤智, 栃木 栄太, 柴田 直哉, 幾原 雄一, 豊浦 和明, 松永 克志, “LiNbO3のドメインウォールにおける電気伝導性の制御”, M&M材料力学カンファレンス 2015, OS1402-347 (2015).
5. 中村 篤智, 古嶋 佑帆, 栃木 栄太, 幾原 雄一, 豊浦 和明, 松永 克志, “強誘電体中の小角粒界における転位構造と物性”, 日本機械学会年次大会, J2210103, (2015)
4. 栃木栄太, 中村篤智, 柴田直哉, 幾原雄一," TEMその場機械試験法によるセラミックスの微視的変形の動的観察", 日本機械学会年次大会、F221002, (2014)
3. 栃木栄太, Zepeda-alarcon Eloisa, Wenk Hans-Rudolf, Minor Andrew M.," 透過型電子顕微鏡その場圧縮試験によるα-クオーツのDAUPHINE双晶の動的観察", M&M材料力学カンファレンス 2014、OS1101 (2014).
2. 中村 篤智, 佐藤 幸生, 栃木 栄太, 溝口 照康, 柴田 直哉, 幾原 雄一, 松永 克志, “ニオブ酸リチウム双結晶における接合界面の電気的特性”, M&M材料力学カンファレンス 2013, OS1222, (2013)
1. 中村 篤智, 岸田 逸平, 横川 善之, 栃木 栄太, 柴田 直哉, 松永 克志, “強誘電体双結晶を用いた小角粒界の創製とその構造”, M&M材料力学カンファレンス 2012, OS1316, (2012)
7. 栃木栄太, 苗斌, 近藤隼, 佐藤隆明, 柴田直哉, 藤田博之, 幾原雄一,「その場ならびに原子分解能透過型電子顕微鏡法による変形・破壊現象の解析」, 日本金属学会会報「まてりあ」, 第60巻 第1号 pp. 35-39 (2021).
6. 石原佐季, 栃木栄太, 石川亮, 柴田直哉, 幾原雄一,「α-Al2O3Σ13粒界における2種類の安定構造の原子分解能観察 」, 日本金属学会会報「まてりあ」, 第58巻 第2号 pp. 91 (2019).
5. 栃木栄太, 柴田 直哉, 幾原 雄一, フィンドレー スコット, 奥西 栄治, 溝口 照康, 中村 篤智、「ABF-STEM 法によるアルミナ{1100}積層欠陥の構造解析 」, 日本金属学会会報「まてりあ」新進気鋭, 第54巻 第8号 pp.610 (2016).
4. 栃木栄太, 「アルミナにおける小角粒界を用いた転位設計と構造解析」, 日本金属学会会報「まてりあ」, 55巻12号 pp. 409-412 (2015).
3. 栃木栄太, 柴田直哉, 幾原雄一,「アルミナ転位の構造解析」, 日本学術振興会第133委員会50周年記念誌, pp. 239-244 (2013).
2. 栃木栄太, 柴田直哉, 中村篤智, 山本剛久, 幾原雄一, 「アルミナ小傾角粒界に形成された特異部分転位構造のTEM解析」日本金属学会会報「まてりあ」, 48巻12号pp. 600 (2009) .
1. 中村篤智, 栃木栄太, 柴田直哉, 山本剛久, 幾原雄一, 「ねじり成分によるアルミナ小傾角粒界の構造変化」マテリアル インテグレーション, 22巻 9-10号 pp. 57-64 (2009).
7. Eita Tochigi, "TEM investigation of dislocation structures and twinning behavior in oxide crystals", TimeMan Seminar, online, 2020/09/10
6. Eita Tochigi, Bin Miao, Naoya Shibata, and Yuichi Ikuhara, "The Atomic Structure and Dynamic Behavior of Twinning Dislocation of Rhombohedral Twinning in α-Al2O3", Materials Research Meeting 2019, Yokohama, Japan, 2019/12/11
5. Eita Tochigi, Bin Miao, Shun Kondo, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, "In situ TEM observations of mechanical twinning in sapphire", Asia Nano 2018, Qingdao, China, 2018/10/21
4. Eita Tochigi, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, "CORE STRUCTURES OF 1/3<11-20> DISLOCATION AND IMPURITY SEGREGATION IN α-ALUMINA", the 4th International Symposium on Hybrid Materials and Processing (HyMaP 2017), Haeundae Grand Hotel, Busan, Korea, 2017/11/06
3. Eita Tochigi, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, "Characterization of Dislocation Structures in α-Al2O3 by Atomic-resolution STEM", 6th International Symposium on Advanced Ceramics and Technology for Sustainable Energy Applications toward a Low Carbon Society (ACTSEA 2017), The Garden Villa, Kaohsiung, Taiwan, 2017/11/01
2. Eita Tochigi, Atsutomo Nakamura, Teruyasu Mizoguchi, Yuichi Ikuhara, “TEM study of dislocations and stacking faults in low-angle grain boundaries of alumina”, THERMEC 2016, Graz, Austria, 2016/05/31.
1. E. Tochigi, Atsutomo Nakamura, Teruyasu Mizoguchi, Naoya Shibata, Yuichi Ikuhara, “TEM Characterizations of Low-angle Grain Boundaries of α-Al2O3”, FMS2015, Waseda University, Tokyo, Japan, 2015/11/20.
9. 栃木栄太, "結晶格子欠陥における力学的応答の原子レベル解析", 物質・材料研究機構 講演会, 茨城県つくば市, 2021/02/26
8. 栃木栄太, "その場TEM機械試験法による結晶格子欠陥挙動のダイナミクス観察", 細構造解析プラットフォームワークショップ2020, オンライン, 2020/08/21
7. 栃木栄太, "その場TEM機械試験によるセラミックスの変形・破壊挙動の直接観察", 日本顕微鏡学会 その場観察分科会 第 1 回研究討論会, 九州大学伊都キャンパス, 2019/11/08
6. 栃木栄太, "その場TEM機械試験法による結晶格子欠陥の動的挙動の解析", 第4回マルチスケール材料力学シンポジウム, 室蘭工業大学, 2019/05/24
5. 栃木 栄太, "その場TEM観察実験による結晶格子欠陥の動的挙動の解析", 熊本大学 講演会, 熊本大学, 熊本県熊本市, 2018/10/30
4. 栃木 栄太, "Helios G4 UXによる 低加速Ga FIBを活用したTEM試料作製", サーモフィッシャーサイエンティフィック マテリアルサイエンス分析技術セミナー2018, TKPガーデンシティ品川「ネクサス」, 東京都品川区, 2018/10/11
3. 栃木 栄太, "PI-95 TEMインデンテーションシステムによる材料組織と力学的応答の解析", 日本電子―ブルカー ナノインデンテーションワークショップ, 日本電子株式会社 本社 開発館ホール, 東京都昭島市, 2018/08/24
2. 栃木 栄太, "走査透過型電子顕微鏡法と理論計算による積層欠陥の解析", 日本金属学会春期講演大会, 千葉工業大学 新習志野キャンパス, 千葉県習志野市, 2018/03/21
1. 栃木栄太，中村篤智, 柴田直哉, 幾原雄一, ”TEMその場機械試験法によるセラミックスの微視的変形の動的観察”, 日本機械学会2014年度年次大会, 東京電機大学, 2014/09/08.
38. Eita Tochigi, "Investigations of dynamic behavior of lattice defects by in situ TEM mechanical tests", 11th Korea-Japan Berkeley Symposium, Sapia Tower, Tokyo, Japan, 2019/11/23
37. Eita Tochigi, Takaaki Sato, Naoya Shibata, Hiroyuki Fujita, Yuichi Ikuhara, "In Situ STEM Mechanical Experiments at Atomic-Resolution Using a MEMS Device", Microscopy and Microanalysis 2019, Portland, OR, USA, 2019/08/08
36. Eita Tochigi, Hirofumi Matsuhata, Yuichi Ikuhara, "The Atomic Structure of a Prismatic Fault in 4H-SiC ", The 6th International Symposium on Advanced Microscopy and Theoretical Calculations (AMTC6), WINC AICHI, Nagoya, Japan, 2019/06/14
35. Eita Tochigi, Bin Miao, Shun Kondo, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, "Investigations of Propagation Mechanisms of Rhombohedral Twinning in Sapphire", International symposium on Atomistic Processes of Crystal Plasticity, Tokyo, Japan 2018/10/26
34. Eita Tochigi, Bin Miao, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, "Dynamic behavior and atomic structure of twinning dislocations in sapphire", 19th Internaional Microscopy Congress (IMC19), The International Convention Centre, Sydney, Australia, 2018/09/10
33. Eita Tochigi, Bin Miao, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, "Dynamic Behavior and Interface Structure of Rhombohedral Twinning in Sapphire", 6th Internaional Inventation Workshop (IIW6), Hokkaido University, Sapporo, Japan, 2018/07/02
32. Eita Tochigi, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, "Impurity segregation at 1/3<11-20> basal dislocations in α-Al2O3", The 34th International Japan-Korea Seminar on Ceramics, Kamanako Kanko Hotel, Hamamatsu, Japan, 2017/11/22
31. Eita Tochigi, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, "HAADF-STEM observations of impurity segregation in dislocations in alumina", the 3rd East-Asia Microcopy Conference (EAMC3), BEXCO, Busan, Korea, 2017/11/08
30. Eita Tochigi, Akihito Ishihara, Shun Kondou, Naoya Shibata, Yuichi Ikuhara, "Fracture surface analysis of alumina grain boundaries using in-situ TEM nanoindenation and atomic-resolution STEM", 9th Berkeley Symposium, University of California, Berkeley, Berkeley, California, USA, 2017/06/21
29. Eita Tochigi, Akihito Ishihara, Shun Kondo, Naoya Shibata, and Yuichi Ikuhara, “Fracture behavior of the∑13 grain boundary of α-alumina”, LTB-3D 2017, Tokyo, Japan, 2017/05/17.
28. Eita Tochigi, Hirofumi Matsuhata, Hirotaka Yamaguchi, Takashi Sekiguchi, Yuichi Ikuhara, “Structural characterization of triangle-shaped lattice defects in 4H-SiC epitaxial layer”, Materials Science and Technology 2016, Salt Late City, UT, USA, 2016/10/24.
27. Eita Tochigi, Atsutomo Nakamura, Teruyasu Mizoguchi, Naoya Shibata, Yuichi Ikuhara, “TEM characterization of the 1/3<-1101> dislocation in a low-angle grain boundary of α-Al2O3”, PRICM9, Kyoto, Japan, 2016/08/04.
26. Eita Tochigi, Teruyasu Mizoguchi, Atsutomo Nakmura, Naoya Shibata, Yuichi Ikuhara, “Annular Bright Field STEM Investigation of the (0001) Stacking Fault in Alumina”, Microscopy and microanalysis 2016, Columbus, OH, USA, 2016/07/27.
25. E. Tochigi, A. Nakamura, S. Kondou, N. Shibata, Y. Ikuhara, “In situ TEM Characterization of Dynamic Behavior of Dislocation and Grain Boundary in Oxides”, ICSMA 2015, Brno Convention and Exhibition Centre, Brno, Czech Republic, August 9-14 (August 13), 2015.
24. E. Tochigi, E. Zepeda, H.-R. Wenk, A. M. Minor, “In situ TEM observation of twinning, detwinning and retwinning in quartz”, 2015SEM Annual Conference & Exposition, Hilton Orange County, Costa Mesa, California, USA, June 8-11 (June 10), 2015.
23. E. Tochigi, A. Nakamura, T. Mizoguchi, N. Shibata, Y. Ikuhara, “Investigation of dislocations and twins in alumina by transmission electron microscopy”, Engineering Ceramics 2015, Smolenice castle, Smolenice, Slovakia, May 10-14 (May 14), 2015.
22. Eita Tochigi, Yuki Kezuka, Atsutomo Nakamura, Naoya Shibata, Yuichi Ikuhara, “The Structure of Screw Dislocations in an α-Al2O3 Bicrystal with a Low-angle Twist Grain Boundary”, AMTC4, Actcity Hamamatsu Congress Center, Hamamatsu, Japan, May 8-10, 2014 (No. 002).
21. Eita Tochigi, Atsutomo Nakamura, Teruyasu Mizoguchi, Naoya Shibata, Yuichi Ikuhara, “Structural Characterization of a Stacking Fault on the (0001) Plane of Alpha-Alumina”, 2014 MRS Spring Meeting & Exhibit, Moscone Center, San Francisco, California, USA, April 21-25, 2014, (April 22, DDD2.02).
20. Eita Tochigi, Eloisa Zepeda, Hans-Rudolf Wenk, Andrew Minor, “In Situ TEM Compression Testing of Natural Quartz Nanopillars for Paleo-Piezometry”, TMS2013 142nd Annual Meeting and Exhibition, San Antonio, Texas, USA, (Mar. 3 – 7, 2013 (Mar. 5)).
19. E. Tochigi, A. Nakamura, T. Mizoguchi, "Theoretical investigations of the ferroelectric domain walls in LiNbO3 by first-principles calculations", 37th International Conference and Exposition on Advanced Ceramics and Composites (ICACC 2013), ICACC-S10-008-2013, Daytona Beach, Florida, USA, (Jan. 27- Feb. 1 (Jan. 29), 2013).
18. E. Tochigi, D.M. Norfleet, M. C. Brandes, M. D. Uchic, M. J. Mills, A. M. Minor, “Investigating size effects through in situ and ex situ compression testing of Ti-Al nano and micropillars”, MRS Fall meeting 2012, SS2.04, Hynes Convention Center, Boston, USA, (Nov. 25 - 30, 2012).
17. E. Tochigi, N. Shibata, A. Nakamura, Y. Ikuhara, “Dynamical behavior and interface structure of rhombohedral twins in sapphire”, Gordon Research Conference, South Hadley, USA, (Aug. 12-17, 2012).
16. E. Tochigi, M. C. Brandes, M. J. Mills, A. M. Minor, “In-situ TEM compression testing of Ti-7wt%Al nanopillars”, A9-969, Microscopy and Microanalysis 2012, Phoenix, USA, (Jul. 29-Aug. 2, 2012).
15. E. Tochigi, S. Tongay, J. Wu, A. M. Minor, “In situ TEM nanocompression testing of MoS2”, No. 79, Gordon Research Conference, Waterville, USA, (Jul. 22-27).
14. E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto, Y. Ikuhara, “TEM characterization of the basal screw dislocation in a (0001) low-angle twist grain boundary of α-Al2O3”, Materials Science & Technology 2011 (MS&T 2011), 131, Greater Columbus Convention Center, Columbus, Ohio, USA, (Oct 16-20, 2011).
13. E. Tochigi, N. Shibata, A. Nakamura, Y. Ikuhara, “Characterization of the 1/3[1-210] basal screw dislocation in low-angle twist boundary of alumina”, FEMMS 2011, Poster session 1-16, Sonoma Double Tree Hotel, Rohnert Park, California, USA, (Sep. 18-23, 2011).
12. E. Tochigi, N. Shibata, A. Nakamura, T. Mizoguchi, Y. Yamamoto, and Y. Ikuhara, “HRTEM study of dissociated dislocation structures in low-angle grain boundaries of alumina”, Microscopy and Microanalysis 2011 (M&M2011), 81015, Nashville Convention Center, Nashville, Tennessee, USA (Aug. 8-11, 2011).
11. E. Tochigi, N. Shibta, A. Nakamura, T. Yamamoto and Y. Ikuhara, “In situ TEM nanoindentation study of {1-102}<-1101> twin formation in α-Al2O3”, International Microscopy Congress (IMC17), M19.16, Rio de Janeiro, Brazil (Sep. 19-24, 2010).
10. E. Tochigi, N. Shibta, A. Nakamura, T. Mizoguchi, T. Yamamoto and Y. Ikuhara, “Dislocation structures in low-angle grain boundaries of α-Al2O3”, XIII International conference on intergranular and interphase boundaries in materials (iib2010), P-C14, Shima (Mie), Japan (June. 27-July. 2, 2010).
9. E. Tochigi, N. Shibta, A. Nakamura, T. Yamamoto and Y. Ikuhara, “Nucleation process and interface structure of {1-102}<-1101> twin in α-Al2O3”, XIII International conference on intergranular and interphase boundaries in materials (iib2010), P-C13, Shima (Mie), Japan (June. 27-July. 2, 2010).
8. E. Tochigi, N. Shibta, A. Nakamura, T. Mizoguchi, T. Yamamoto and Y. Ikuhara, “HRTEM observations of stacking fault on the {1-100} planes in sapphire (α-Al2O3)”, The 2nd International Symposium on Advanced Microscopy and Theoretical Calculations (AMTC2), No.076, Nagoya (Aichi), Japan (June. 24-26, 2010).
7. E. Tochigi, A. Nakamura, N. Shibata, A. Nakamura, T. Yamamoto and Y. Ikuhara, “Structures of Low-angle Grain boundaries and Dopant Segregations in Alumina”, MS&T2009, Pittsburgh, Pennsylvania, USA, (Oct. 25-29, 2009).
6. E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto and Y. Ikuhara, “In-situ observations of twin formation in sapphire (α-Al2O3)”, FEEMS2009, P-086, Nagasaki, Japan, (Sep. 27-Oct. 2, 2009).
5. E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto and Y. Ikuhara, “Dislocation core interaction in low-angle grain boundaries in Alumina”, Dislocations 2008, P-B10, Hong Kong, (Oct. 13-17, 2008).
4. E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto and Y. Ikuhara, “Dissociated dislocations in low-angle grain boundary of alumina”, The 1st International Symposium on Advanced Microscopy and Theoretical Calculations (AMTC1),No.7048, Nagoya (Aichi), Japan (June. 29-30, 2008).
3. E. Tochigi, N. Shibata, A. Nakamura, T. Yamamoto and Y. Ikuhara, “TEM characterization of low-angle grain boundaries in Alumina”, The Sixth Pacific Rim International Conference on Advanced Materials and Processing (PRICM 6),No. 781, Jeju Island, Korea (Nov. 5-9, 2007).
2. E. Tochigi, A. Nakamura, N. Shibata, T. Yamamoto and Y. Ikuhara, “TEM characterization of dislocation structures in alumina”, The NIMS Conference 2007 on Recent Breakthroughs in Materials Science and Technology,P-23, Tsukuba (Ibaraki), Japan (July 11-13, 2007).
1. E. Tochigi, A. Nakamura, N. Shibata, T. Yamamoto, K.P.D. Lagerlöf and Y. Ikuhara, “Structures of low-angle grain boundaries in α-Al2O3”, The 3rd International Conference on Recrystallization and Grain Growth (Rex & GG III),No. p1120, Jeju Island, Korea (Jun.10-15, 2007).
32. 栃木 栄太, 苗 斌, 柴田 直哉, 幾原 雄一, "サファイヤにおける菱面双晶形成に伴うシャッフリング機構の解析", 日本セラミックス協会 2021年年会, オンライン, 2021/03/25
31. 栃木栄太, "MEMSデバイスを利用した新規その場TEM機械試験システムの開発と検証 ", 第２回 材料機能特性のアーキテクチャー研究会, 紀州・白浜温泉むさし, 2019/11/28
30. 栃木栄太, 佐藤隆昭, 柴田直哉, 藤田博之, 幾原雄一, "MEMSデバイスを利用した新規その場TEM機械試験システムの構築と評価", 日本機械学会 材料力学カンファレンス2019, 九州大学伊都キャンパス, 2019/11/02
29. 栃木栄太, 佐藤隆昭, 柴田直哉, 藤田博之, 幾原雄一, "原子分解能その場TEM機械試験法の開発と検証", 日本顕微鏡学会第75回学術講演会, 名古屋国際会議場、名古屋市、愛知県, 2019/05/24
28. 栃木 栄太, 苗 斌, 近藤 隼, 柴田 直哉, 幾原 雄一, "サファイヤ{1-102}菱面双晶における双晶転位構造とシャッフリング機構", 日本金属学会2019年春期講演大会, 東京電機大学 北千住キャンパス、東京都足立区, 2019/03/21
27. 栃木 栄太, 苗 斌, 近藤 隼, 中村 篤智, 柴田 直哉, 幾原 雄一, "その場TEMナノインデンテーションと原子分解能STEMによるサファイヤにおける変形双晶に関する研究", 日本顕微鏡学会第61回シンポジウム, 富山国際会議場、富山県富山市, 2018/11/02
26. 栃木 栄太, 松畑 洋文, 幾原 雄一, "4H－SiCにおけるキャロット型欠陥の構造解析", 日本金属学会2018年秋期講演大会, 東北大学川内北キャンパス、仙台市、宮城県, 2018/09/19
25. 栃木 栄太, "アルミナ菱面双晶における双晶転位とシャッフリング機構", 第1回材料機能特性のアーキテクチャー研究会, 種子島あらきホテル, 鹿児島県西之表市, 2018/09/05
24. 栃木 栄太, 中村 篤智, 柴田 直哉, 幾原 雄一, "アルミナにおける転位コア構造解析とすべり変形機構の検討", 日本機械学会 M&M2017材料力学カンファレンス, 北海道大学、北海道札幌市, 2017/10/08
23. 栃木 栄太, ヘムキ ジョシュア, 藤平 哲也, 吉田 英弘, 目 義雄, 柴田 直哉, 幾原 雄一, "Al-Sn添加ZnOにおける反転ドメイン構造の形成と選択的偏析現象", 日本金属学会秋期講演大会, 北海道大学, 北海道札幌市, 2017/09/06
22. 栃木 栄太, 松畑 洋文, 幾原 雄一, "4H－SiCにおけるキャロット型欠陥の原子構造解析", 日本顕微鏡学会第73回学術講演会, 札幌コンベンションセンター, 札幌市, 北海道, 2017/06/01
21. 栃木 栄太, 松畑 洋文, 幾原 雄一, "4H－SiCにおけるキャロット型拡張転位構造のSTEM解析", 日本金属学会春期講演大会, 首都大学東京南大沢キャンパス, 東京都八王子市, 2017/03/17
20. 栃木栄太, 毛塚雄己, 中村篤智, 柴田直哉, 幾原雄一, “アルミナ<1-100>転位における希土類元素偏析のSTEM観察”, 日本金属学会2017年秋期講演大会, S6.13, 大阪大学豊中キャンパス, 2016年9月21日～23日（22日）
19. 栃木栄太, 石原聡仁, 近藤隼, 藤平哲也, 柴田直哉, 幾原雄一, ”TEMナノインデンテーション法とSTEM法によるアルミナ粒界破面の原子構造解析”, 日本顕微鏡学会第72回学術講演会, 14pmD_M7-05, 2016年6月14日～16日（14日）
18. 栃木栄太, 中川翼, 松畑洋文, 山口博隆, 関口孝文, 幾原雄一, “4H-SiCエピタキシャル薄膜中のV字型格子欠陥の構造解析”, 日本金属学会2016年春期講演大会, S2.18, 東京理科大学葛飾キャンパス, 2016年3月23日～25日（25日）
17 栃木栄太，中村篤智, 柴田直哉, 幾原雄一, “TEMその場ナノインデンテーション法によるアルミナにおける機械的双晶の動的観察”, 日本機械学会 M&M2015材料力学カンファレンス, OS1414-276, 慶應義塾大学矢上キャンパス, 神奈川県横浜市, 2015年11月21日～23日（21日）
16. 栃木栄太, 溝口照康, 中村篤智, 柴田直哉, 幾原雄一, “アルミナ{-1104}/<11-20>小傾角粒界における1/3＜-1101＞転位の分解反応と積層欠陥の解析”, 日本金属学会2015年秋期講演大会, S1・33, 九州大学 伊都キャンパス, 2015年9月16日～18日（17日）
15. 栃木栄太, 柴田直哉, 中村篤智, 幾原雄一, “小ねじり角粒界を用いたα-アルミナ1/3<11-20>らせん転位のコア構造解析“, 日本金属学会2015年春期講演大会, S3・10, 東京大学, 2015年3月18日～20日（19日）
14. 栃木栄太, ”アルミナセラミックスにおけるすべり転位の分解反応と積層欠陥”, 日本金属学会2014年秋期講演大会, 530, 名古屋大学, 2014年9月24日～26日（26日）[奨励賞受賞講演]
13. 栃木栄太, 中村篤智, 柴田直哉, 幾原雄一, ” TEMその場加熱実験によるLiTaO3の180°ドメインウォールの動的観察”, 日本金属学会2014年秋期講演大会, S1・18, 名古屋大学, 2014年9月24日～26日（25日）
11. 栃木栄太，Eloisa Zepeda-ararcon, Hans-Rudolf Wenk, Andrew M. Minor, “透過型電子顕微鏡その場圧縮OS1101, 福島大学, 2014年7月19日～21日(19日)
10. 栃木栄太, 中村篤智, 溝口照康, 柴田直哉, 幾原雄一, 試験によるα-クオーツのDAUPHINÉ双晶の動的観察”, 日本機械学会M&M2014材料力学カンファレンス, “ABF-STEM法によるアルミナ(0001)積層欠陥の構造解析”, 日本顕微鏡学会第70回記念学術講演会, 11pmB_SP1-11, 幕張メッセ国際会議場, 2014年5月11日～13日(11日)
9. 栃木栄太, 中村明穂, 柴田直哉, 中村篤智, 溝口照康, 山本剛久, 幾原雄一, “アルミナにおけるドーパント偏析のHAADF-STEM観察”, 日本顕微鏡学会第66回学術講演会春, 25aD02-O, 名古屋国際会議場, 2010年5月23～26日
8. 栃木栄太, 中村明穂, 柴田直哉, 中村篤智, 山本剛久, 幾原雄一, “アルミナ小傾角粒界におけるドーパント偏析のSTEM観察”, 日本金属学会2010年春期大会, S9・4, 筑波大学, 2010年3月28～30日
7. 栃木栄太, 柴田直哉, 中村篤智, 山本剛久, 幾原雄一, “ナノインデンテーションによるアルミナ菱面双晶形成に関する研究”, 日本顕微鏡学会第65回学術研究会, 29aD08-O, 仙台国際センター, 2009年5月26～29日
6. 栃木栄太, 柴田直哉, 中村篤智, 山本剛久, 幾原雄一, “アルミナ小角粒界に見られた多様な転位分解挙動”, ナノ学会第7回大会, Ｐ2-28, 東京大学, 2009年5月9～11日
5. 栃木栄太, 柴田直哉, 中村篤智, 山本剛久, 幾原雄一, “アルミナにおける変形双晶のその場観察”, 日本金属学会2009年春期大会, S2・12, 東京工業大学, 2009年3月28～30日
4. 栃木栄太, 柴田直哉, 中村篤智, 山本剛久, 幾原雄一, “アルミナセラミックスにおける転位間相互作用”, 日本金属学会2008年秋期大会, S2・20, 熊本大学, 2008年9月23～25日
3. 栃木栄太, 柴田直哉, 中村篤友, 山本剛久, 幾原雄一, “ＴＥＭによるアルミナ傾角粒界の原子構造解析”, 日本金属学会2007年秋期大会, No.407, 岐阜大学, 2007年9月19～21日
2. 栃木栄太, 柴田直哉, 山本剛久, 幾原雄一, “アルミナ小傾角粒界のＴＥＭ構造解析”, 日本金属学会2007年春期大会, No.33, 千葉工業大学, 2007年3月27～29日
1. 栃木栄太, 柴田直哉, K.P.D. Lagerlöf, 山本剛久, 幾原雄一, “アルミナ小傾角粒界における周期転位構造解析”, 日本金属学会2006年秋期大会, Ｓ5・20, 新潟大学, 2006年9月16～18日