Update: 2025/04/01

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2025

• Microscopic formation process of polar skyrmions and strain-dependent topological phase transitions in PbTiO3/SrTiO3 superlattices
  Kohta Kasai, Toya Itano, Susumu Minami, Takahiro Shimada
  Scripta Materialia, 263, 116680, July, 2025

• Gapped nodal planes and large topological Nernst effect in the chiral lattice antiferromagnet CoNb3S6
  N.D. Khanh, S. Minami, M.M. Hirschmann, T. Nomoto, M-C. Jiang, R. Yamada, N. Heinsdorf, D. Yamaguchi, Y. Hayashi, Y. Okamura, H. Watanabe, G-Y. Guo, Y. Takahashi, S. Seki, Y. Taguchi, Y. Tokura, R. Arita, M. Hirschberger
  Nature Communications, 16, 2654, Mar, 2025

• Quantum Electronic Strengthening of Covalent Semiconductor Materials by Excess Electron/Hole Doping
  Hiroki Noda, Shumpei Sakaguchi, Ryoga Fujita, Susumu Minami, Hiroyuki Hirakata, Takahiro Shimada
  Acta Materialia, 287, 120795, Feb, 2025

• Topological electronic structure and transport properties of the distorted rutile-type WO2
  Y. Muramatsu, D. Hirai, M. Kawamura, S. Minami, Y. Ikeda, T. Shimada, K. Kojima, N. Katayama, K. Takahashi
  APL Materials, 13, 011119, Jan, 2025

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2024

• Emergent local negative electrostriction induced by oxygen vacancy in BaHfO3: Defect engineering
  Yoshitaka Ikeda, Susumu Minami, Takahiro Shimada
  Journal of Applied Physics, 136, 214101, Dec, 2024

• Mechanical Writing of Polar Skyrmionic Topological States via Extrinsic Dzyaloshinskii–Moriya-like Flexoelectricity in Ferroelectric Thin Films
  Kohta Kasai, Takashi Nojima, Yu Wang, Tao Xu, Hiroyuki Hirakata, Takahiro Shimada
  ACS Nano, 18, 32451, Dec, 2024

• Breakdown of Volterra’s Elasticity Theory of Dislocations in Polar Skyrmion Lattices
  Kohta Kasai, Tao Xu, Susumu Minami, Takahiro Shimada
  Nano Letters, 24, 13247, Oct, 2024

• Robust giant anomalous Nernst effect in polycrystalline nodal web ferromagnets
  Y. Wang, A. Sakai, S. Minami, H. Gu, T. Chen, Z. Feng, D. Nishio-Hamane, S. Nakatsuji
  Applied Physics Letters, 125, 081901, Aug, 2024

• Superelastic electromechanical behaviors in ferroelectric PbTiO3 ceramics under coupled mechanical-electric fields: Higher-order piezoelectric constitutive equations from first-principles
  Susumu Minami, Tomohiro Nakayama, Takahiro Shimada
  Acta Materialia, 278, 120248, Aug, 2024

• Nodal line induced large transverse thermoelectric response in the D03-type Heusler compound Fe3Si
  Susumu Minami, Sota Hogaki, Takahiro Shimada
  Physical Review Materials, 8, 075403, July, 2024

• Ab initio study of electron-doping effect on shear strength of covalent Si: Insight into electronic brittle-ductile transition
  Hiroki Noda, Shumpei Sakaguchi, Susumu Minami, Hiroyuki Hirakata, Takahiro Shimada
  International Journal of Mechanical Sciences, 278, 109454, June, 2024

• Singular stress field induced two-dimensional topological polar structures in SrTiO3: Topological number manipulation via loading modes
  Kohta Kasai, Takayuki Hamaguchi, Yu Wang, Susumu Minami, Hiroyuki Hirakata, Takahiro Shimada
  Computational Materials Science, 242, 113070, May, 2024

• High-throughput calculations of antiferromagnets hosting anomalous transport phenomena
  Takuya Nomoto, Susumu Minami, Yuki Yanagki, Michi-To Suzuki, Takashi Koretsune, Ryotaro Arita
  Physical Review B, 109, 094435, Mar, 2024

• Spontaneous Atomic-Scale Polar Skyrmions and Merons on a SrTiO3 (001) Surface: Defect Engineering for Emerging Topological Orders
  Susumu Minami, Yoshitaka Ikeda, Takahiro Shimada
  Nano Letters, 24, 3686, Mar, 2024

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2023

• Analyzing the bending deformation of van der Waals-layered materials by a semi-discrete layer model
  Masao Akiyoshi, Takahiro Shimada, Hiroyuki Hirakata
  Journal of Applied Physics, 259, 108592, Dec, 2023

• Emergent ultrasmall multiferroics in paraelectric perovskite oxide by hole polarons
  Tao Xu, Masataka Mori, Hiroyuki Hirakata, Takayuki Kitamura, Takahiro Shimada
  Phys. Chem. Chem. Phys., 26, 842, Dec, 2023

• Efficient phase-field simulation for linear superelastic NiTi alloys under temperature gradients
  Tao Xu, Chunyu Wang, Yuquan Zhu, Yu Wang, Yabin Yan, Jie Wang, Takahiro Shimada, Takayuki Kitamura
  Int. J. Mech. Sci., 259, 108592, Dec, 2023

• Electronic strengthening mechanism of covalent Si via excess electron/hole doping
  Hiroki Noda, Shumpei Sakaguchi, Ryoga Fujita, Susumu Minami, Hiroyuki Hirakata, Takahiro Shimada
  Scientific Reportes, 13, 16546, Oct, 2023

• Superelastic-like nonlinear deformation hidden in ferroelectric ceramics
  Susumu Minami, Tomohiro Nakayama, Takahiro Shimada
  Journal of Applied Physics, 134, 094102, Sep, 2023

• Mechanical effect on skyrmion-skyrmion interaction
  Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada
  Int. J. Mech. Sci., 108699-108699, Sep, 2023

• Nodal-line resonance generating the giant anomalous Hall effect of Co3Sn2S2
  F. Schilberth, M.-C. Jiang, S. Minami, M. A. Kassem, F. Mayr, T. Koretsune, Y. Tabata, T. Waki, H. Nakamura, G.-Y. Guo, R. Arita, I. Kézsmárki, S. Bordács
  Physical Review B, 107, 214441, June, 2023

• Ultrasmall Polar Skyrmions and Merons in SrTiO3 Heterostructures by Polaron Engineering
  Tao Xu, Yuuki Ichiki, Kairi Masuda, Yu Wang, Hiroyuki Hirakata, Takahiro Shimada
  ACS Nano, 17(11), 10836-10843, May, 2023

• Dynamic precursor effect: Magnitude-fluctuated coherent spin waves emitted by skyrmions
  Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada
  Acta Materialia, 250, 118867-118867, May, 2023

• Spontaneous topological Hall effect induced by non-coplanar antiferromagnetic order in intercalated van der Waals materials
  H. Takagi, R. Takagi, S. Minami, T. Nomoto, K. Ohishi, M.-T. Suzuki, Y. Yanagi, M. Hirayama, N. D. Khanh, K. Karube, H. Saito, D. Hashizume, R. Kiyanagi, Y. Tokura, R. Arita, T. Nakajima, S. Seki
  Nature Physics, 19, 961-968, Apr, 2023

• Formation and switching of chiral magnetic field textures in three-dimensional gyroid nanostructures
  Dang Thi Hong Hue, Nguyen Huu Duc, Takahiro Shimada, Takayuki Kitamura, Van-Hai Dinh
  Acta Materialia, 249, 118802-118802, Feb, 2023

• First-principles calculation of anomalous Hall and Nernst conductivity by local Berry phase
  Hikaru Sawahata, Naoya Yamaguchi, Susumu Minami, Fumiyuki Ishii
  Physical Review B, 107(2), 024404-024404, Jan 5, 2023

• Effects of excess electrons/holes on fracture toughness of single-crystal Si
  Hiroyuki Hirakata, Shigekazu Homma, Hiroki Noda, Shumpei Sakaguchi, Takahiro Shimada
  Journal of Applied Physics, 133, 035101-035101, Jan, 2023

• High fracture toughness in van der Waals-layered MoTe₂: Disappearance of stress singularity
  Hiroyuki Hirakata, Masao Akiyoshi, Ryoichi Masuda, Takahiro Shimada
  Engineering Fracture Mechanics, 277, 108974-108974, Jan, 2023

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2022

• Bending deformation and self-restoration of submicron-sized graphite cantilevers
  Masao Akiyoshi, Shunya Koike, Takahiro Shimada, Hiroyuki Hirakata
  Acta Materialia, 241 118381-118381, Dec, 2022

• Optical anomalous Hall effect enhanced by flat bands in ferromagnetic van der Waals semimetal
  Yoshihiro D. Kato, Yoshihiro Okamura, Susumu Minami, Reika Fujimura, Masataka Mogi, Ryutaro Yoshimi, Atsushi Tsukazaki, Kei S. Takahashi, Masashi Kawasaki, Ryotaro Arita, Yoshinori Tokura, Youtarou Takahashi
  npj Quantum Materials, 7(1), 73, Dec, 2022

• Exponential Temperature Effects on Skyrmion-Skyrmion Interaction
  Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada
  Physical Review Applied, 18 044024-044024, Oct, 2022

• A novel atomic J-integral concept beyond conventional fracture mechanics
  Pengfei Jia, Kai Huang, Hongjun Yu, Takahiro Shimada, Licheng Guo, Takayuki Kitamura
  Theoretical and Applied Fracture Mechanics, 121 103531-103531, Oct, 2022

• Giant and Robust Anomalous Nernst Effect in a Polycrystalline Topological Ferromagnet at Room Temperature
  Zili Feng, Susumu Minami, Shuhei Akamatsu, Akito Sakai, Taishi Chen, Daisuke Nishio‐Hamane, Satoru Nakatsuji
  Advanced Functional Materials, 32, 2206519-2206519, Oct 3, 2022

• Effective modeling of magnitude-fluctuated magnetization dynamics: Dynamic precursor effect in magnets
  Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada
  Physical Review B, 106(9), 094423-094423, Sep 20, 2022

• Mechanical Acceleration and Control of the Thermal Motion of a Magnetic Skyrmion
  Yu Wang, Takayuki Kitamura, Jie Wang, Hiroyuki Hirakata, Takahiro Shimada
  Physical Review Applied, 18(1) 014049-014049, Jul 20, 2022

• Maximizing intrinsic anomalous Hall effect by controlling the Fermi level in simple Weyl semimetal films
  Mizuki Ohno, Susumu Minami, Yusuke Nakazawa, Shin Sato, Markus Kriener, Ryotaro Arita, Masashi Kawasaki, Masaki Uchida
  Physical Review B, 105(20), L201101-L201101, May 2, 2022

• Flexoelectric properties of multilayer two-dimensional material MoS2
  Hiroyuki Hirakata, Yasuyuki Fukuda, Takahiro Shimada
  Journal of Physics D: Applied Physics, 55(12) 125302-125302, Mar 24, 2022

• Large anomalous Hall effect induced by weak ferromagnetism in the noncentrosymmetric antiferromagnet CoNb3S6
  Hiroaki Tanaka, Shota Okazaki, Kenta Kuroda, Ryo Noguchi, Yosuke Arai, Susumu Minami, Shinichiro Ideta, Kiyohisa Tanaka, Donghui Lu, Makoto Hashimoto, Viktor Kandyba, Mattia Cattelan, Alexei Barinov, Takayuki Muro, Takao Sasagawa, Takeshi Kondo
  Physical Review B, 105(12), L121102-L121102, Mar 4, 2022

• Ultrasmall-Scale Brittle Fracture Initiated from a Dislocation in SrTiO₃
  Takashi Sumigawa, Takahiro Shimada, Kai Huang, Yuki Mizuno, Yohei Hagiwara, Naoki Ozaki, Takayuki Kitamura
  Nano Letters, 22 2077-2084, Feb 28, 2022

• Atomistic investigation on the conversion of plastic work to heat in high-rate shear deformation
  Qi-lin Xiong, Zhenhuan Li, Takahiro Shimada, Takayuki Kitamura
  International Journal of Plasticity, 149 103158-103158, Feb, 2022

• Abnormal Electromechanical Property of Nonlinearly Graded Lead‐Free Ferroelectric Thin Films
  Le Van Lich, Tinh Quoc Bui, Takahiro Shimada, Takayuki Kitamura, Hue Dang Thi Hong, Trong‐Giang Nguyen, Van‐Hai Dinh
  Advanced Theory and Simulations, 5(2) 2100370-2100370, Feb, 2022

• Thermomechanical conversion in high-rate plastic deformation of nanotwinned polycrystalline copper
  Qi-lin Xiong, Zhenhuan Li, Xicheng Huang, Takahiro Shimada, Takayuki Kitamura
  Journal of Thermal Stresses, 45, 65-80, Jan 19, 2022

• Large anomalous Nernst effect and nodal plane in an iron-based kagome ferromagnet
  Taishi Chen, Susumu Minami, Akito Sakai, Yangming Wang, Zili Feng, Takuya Nomoto, Motoaki Hirayama, Rieko Ishii, Takashi Koretsune, Ryotaro Arita, Satoru Nakatsuji
  Science Advances, 8(2), eabk1480, Jan 14, 2022

• Interlaminar Fracture Toughness Measurement of Multilayered 2D Thermoelectric Materials Bi₂Te₃ by a Tapered Cantilever Bending Experiment
  Pan Wang, Kaifa Wang, Boalin Wang, Li Xi, Kohei Sano, Takahiro Shimada, Hiroyuki Hirakata, Daining Fang
  Experimental Mechanics, 62(1) 165-180, Jan, 2022

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2021

• Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn₃X, X = Sn, Ge
  Taishi Chen, Takahiro Tomita, Susumu Minami, Mingxuan Fu, Takashi Koretsune, Motoharu Kitatani, Ikhlas Muhammad, Daisuke Nishio-Hamane, Rieko Ishii, Fumiyuki Ishii, Ryotaro Arita, Satoru Nakatsuji
  Nature Communications, 12(1), 572-572, Dec, 2021

• The rectilinear motion of the individual asymmetrical skyrmion driven by temperature gradients
  Yu Wang, Takahiro Shimada, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata
  Acta Materialia, 221 117383-117383, Dec, 2021

• Reversible control of intrinsic shear strength of a ZnO single crystal through electron-beam-induced hole state
  Hiroyuki Hirakata, Kyohei Sano, Takahiro Shimada
  Journal of Materials Research, 36(21) 4438-4448, Nov 14, 2021

• Logarithmic criticality in transverse thermoelectric conductivity of the ferromagnetic topological semimetal CoMnSb
  Hiroto Nakamura, Susumu Minami, Takahiro Tomita, Agustinus Agung Nugroho, Satoru Nakatsuji
  Physical Review B, 104(16), Oct 25, 2021

• Ferroelectric nanoscale logic gates by mixed dislocations in SrTiO₃
  Kairi Masuda, Takahiro Shimada, Takayuki Kitamura
  Physical Review B, 104(5) 054104-054104, Aug 4, 2021

• Energy storage and dissipation of elastic-plastic deformation under shock compression: Simulation and Analysis
  Qi-lin Xiong, Zhenhuan Li, Takahiro Shimada, Takayuki Kitamura
  Mechanics of Materials, 158 103876-103876, Jul, 2021

• Electrocaloric effect enhancement in compositionally graded ferroelectric thin films driven by a needle-to-vortex domain structure transition
  Le Van Lich, Xu Hou, Manh-Huong Phan, Tinh Quoc Bui, Jie Wang, Takahiro Shimada, Takayuki Kitamura, Van-Hai Dinh
  Journal of Physics D: Applied Physics, 54(25) 255307-255307, Jun 24, 2021

• Shock response and defect evolution of copper single crystals at room and elevated temperatures
  Qi-Lin Xiong, Takahiro Shimada, Takayuki Kitamura, Zhenhuan Li
  Modelling and Simulation in Materials Science and Engineering, 29(4) 045006-045006, Jun 1, 2021

• Quantum transport observed in films of the magnetic topological semimetal EuSb₂
  Mizuki Ohno, Masaki Uchida, Ryosuke Kurihara, Susumu Minami, Yusuke Nakazawa, Shin Sato, Markus Kriener, Motoaki Hirayama, Atsushi Miyake, Yasujiro Taguchi, Ryotaro Arita, Masashi Tokunaga, Masashi Kawasaki
  Physical Review B, 103(16), 165144-165144, Apr 30, 2021

• Dynamical topology in ferroelectric nanostructures by 1/2[1-10](110) dislocations in SrTiO₃
  Kairi Masuda, Takahiro Shimada, Takayuki Kitamura
  Physical Review B, 103(5) 054114-054114, Feb 24, 2021

• Ferroic dislocations in paraelectric SrTiO₃
  Takahiro Shimada, Kairi Masuda, Youhei Hagiwara, Naoki Ozaki, Tao Xu, Jie Wang, Takayuki Kitamura
  Physical Review B, 103(6) L060101-L060101, Feb 3, 2021

• Prediction of tunable magnetoelectric properties in compositionally graded ferroelectric/ferromagnetic laminated nanocomposites
  Minh-Tien Le, Le Van Lich, Takahiro Shimada, Takayuki Kitamura, Giang Trong Nguyen, Van-Hai Dinh
  Applied Physics Letters, 118(5) 052905-052905, Feb 1, 2021

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2020

• Defect engineering for nontrivial multiferroic orders inSrTiO₃
  Tao Xu, Takahiro Shimada, Masataka Mori, Gen Fujimoto, Jie Wang, Takayuki Kitamura
  Physical Review Materials, 4(12) 124405-124405, Dec 14, 2020

• Enhancement of electromechanical properties in (0–3) lead-free ferroelectric nanocomposites with multiphase coexistence
  Le Van Lich, Takahiro Shimada, Takayuki Kitamura, Tinh Quoc Bui, Van-Hai Dinh
  Composites Communications, 22 100540-100540, Dec, 2020

• An experimental study on atomic-level unified criterion for brittle fracture
  Kai Huang, Takashi Sumigawa, Takahiro Shimada, Shuhei Tanaka, Youhei Hagiwara, Licheng Guo, Takayuki Kitamura
  International Journal of Solids and Structures, 206 1-8, Dec, 2020

• Enhancement of the transverse thermoelectric conductivity originating from stationary points in nodal lines
  Susumu Minami, Fumiyuki Ishii, Motoaki Hirayama, Takuya Nomoto, Takashi Koretsune, Ryotaro Arita
  Physical Review B, 102(20), 205128-205128, Nov 23, 2020

• Atomic investigation of effects of coating and confinement layer on laser shock peening
  Qi-lin Xiong, Takahiro Shimada, Takayuki Kitamura, Zhenhuan Li
  Optics & Laser Technology, 131 106409-106409, Nov, 2020

• Selective excitation of two-wave structure depending on crystal orientation under shock compression
  QiLin Xiong, Takahiro Shimada, Takayuki Kitamura, ZhenHuan Li
  Science China Physics, Mechanics & Astronomy, 63(11) 114611-114611, Nov, 2020

• Deformation mode dependence of an exothermic chemical reaction in Ti/Si multilayered nanofilms
  Hiroyuki Hirakata, Takahiro Shiraishi, Takahiro Shimada
  Materials Science and Engineering: A, 796 140021-140021, Oct, 2020

• Giant magneto-optical responses in magnetic Weyl semimetal Co₃Sn₂S₂
  Y. Okamura, S. Minami, Y. Kato, Y. Fujishiro, Y. Kaneko, J. Ikeda, J. Muramoto, R. Kaneko, K. Ueda, V. Kocsis, N. Kanazawa, Y. Taguchi, T. Koretsune, K. Fujiwara, A. Tsukazaki, R. Arita, Y. Tokura, Y. Takahashi
  Nature Communications, 11(1), 4619-4619, Sep 15, 2020

• Topological Kagome magnet Co₃Sn₂S₂ thin flakes with high electron mobility and large anomalous Hall effect
  Miuko Tanaka, Yukako Fujishiro, Masataka Mogi, Yoshio Kaneko, Takamoto Yokosawa, Naoya Kanazawa, Susumu Minami, Takashi Koretsune, Ryotaro Arita, Seigo Tarucha, Michihisa Yamamoto, Yoshinori Tokura
  Nano Letters, 20(10) 7476-7481, Sep 8, 2020

• Two-dimensional polar metal of a PbTe monolayer by electrostatic doping
  Tao Xu, Jingtong Zhang, Yuquan Zhu, Jie Wang, Takahiro Shimada, Takayuki Kitamura, Tong-Yi Zhang
  Nanoscale Horizons, 5(10) 1400-1406, Aug 15, 2020

• Beyond conventional nonlinear fracture mechanics in graphene nanoribbons
  Takahiro Shimada, Kai Huang, Le Van Lich, Naoki Ozaki, Bongkyun Jang, Takayuki Kitamura
  Nanoscale, 12(35) 18363-18370, Aug 6, 2020

• Ferroelectric critical size of SnTe nanoribbon and its mechanical strain engineering
  Koichiro Minaguro, Takahiro Shimada, Kairi Masuda, Takayuki Kitamura
  Transactions of the Japan Society of Mechanical Engineers, Part A, 86(887) 19-00430, Jul 25, 2020

• Ferroelectric control of magnetic skyrmions in multiferroic heterostructures
  Yu Wang, Jiajun Sun, Takahiro Shimada, Hiroyuki Hirakata, Takayuki Kitamura, Jie Wang
  Physical Review B, 102(1) 014440-014440, Jul 21, 2020

• First-principles calculation of lattice thermal conductivity and thermoelectric figure of merit in ferromagnetic half-Heusler alloy CoMnSb
  Akihiro Hori, Susumu Minami, Mineo Saito, Fumiyuki Ishii
  Applied Physics Letters, 116(24) 242408-242408, Jun 15, 2020

• Ferrotoroidic polarons in antiferrodistortive SrTiO₃
  Takahiro Shimada, Yuuki Ichiki, Gen Fujimoto, Le Van Lich, Tao Xu, Jie Wang, Hiroyuki Hirakata
  Physical Review B, 101(21) 214101-214101, Jun 1, 2020

• In situ TEM observation of nanodomain mechanics in barium titanate under external loads
  Takashi Sumigawa, Ken Hikasa, Akihisa Kusunose, Hiroki Unno, Kairi Masuda, Takahiro Shimada, Takayuki Kitamura
  Physical Review Materials, 4(5) 054415-054415, May 19, 2020

• Iron-based binary ferromagnets for transverse thermoelectric conversion
  Akito Sakai, Susumu Minami, Takashi Koretsune, Taishi Chen, Tomoya Higo, Yangming Wang, Takuya Nomoto, Motoaki Hirayama, Shinji Miwa, Daisuke Nishio-Hamane, Fumiyuki Ishii, Ryotaro Arita, Satoru Nakatsuji
  Nature, 581(7806) 53-57, May 7, 2020

• Ab Initio Study of Ferroelectric Critical Size of SnTe Low-Dimensional Nanostructures
  Takahiro Shimada, Koichiro Minaguro, Tao Xu, Jie Wang, Takayuki Kitamura
  Nanomaterials, 10(4) 732-732, Apr 11, 2020

• First-principles study of anomalous Nernst effect in half-metallic iron dichloride monolayer
  Rifky Syariati, Susumu Minami, Hikaru Sawahata, Fumiyuki Ishii
  APL Materials, 8(4) 041105-041105, Apr 1, 2020

• Electron-beam irradiation alters bond strength in zinc oxide single crystal
  Hiroyuki Hirakata, Kyohei Sano, Takahiro Shimada
  Applied Physics Letters, 116(11) 111902-111902, Mar 16, 2020

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2019

• Electron engineering of metallic multiferroic polarons in epitaxial BaTiO₃
  Tao Xu, Takahiro Shimada, Yasumitsu Araki, Masataka Mori, Gen Fujimoto, Jie Wang, Tong-Yi Zhang, Takayuki Kitamura
  npj Computational Materials, 5(1) 23-23, Dec, 2019

• Effect of the oxygen vacancy on the ferroelectricity of 90° domain wall structure in PbTiO₃: A density functional theory study
  Xiaoyuan Wang, Tao Xu, Fuzhen Xuan, ChangQing Chen, Takahiro Shimada, Takayuki Kitamura
  Journal of Applied Physics, 126(17) 174107-174107, Nov 7, 2019

• Intrinsic and extrinsic effects on the electrotoroidic switching in a ferroelectric notched nanodot by a homogeneous electric field
  Hai Dinh-Van, Le Van Lich, Tinh Quoc Bui, Tuan Van Le, Trong-Giang Nguyen, Takahiro Shimada, Takayuki Kitamura
  Physical Chemistry Chemical Physics, 21(45) 25011-25022, Oct 15, 2019

• Asymmetric flux-closure domains in compositionally graded nanoscale ferroelectrics and unusual switching of toroidal ordering by an irrotational electric field
  Le Van Lich, Minh-Tien Le, Tinh Quoc Bui, Thanh-Tung Nguyen, Takahiro Shimada, Takayuki Kitamura, Trong-Giang Nguyen, Van-Hai Dinh
  Acta Materialia, 179 215-223, Oct, 2019

• Lifetime prediction of thermoelectric devices under thermal cycling
  Pan Wang, Jine Li, Baolin Wang, Takahiro Shimada, Hiroyuki Hirakata, Chunwei Zhang
  Journal of Power Sources, 437 226861-226861, Oct, 2019

• Strain energy density approach for brittle fracture from nano to macroscale and breakdown of continuum theory
  Pasquale Gallo, Yohei Hagiwara, Takahiro Shimada, Takayuki Kitamura
  Theoretical and Applied Fracture Mechanics, 103 102300-102300, Oct, 2019

• Periodically-arrayed ferroelectric nanostructures induced by dislocation structures in strontium titanate
  Kairi Masuda, Le Van Lich, Takahiro Shimada, Takayuki Kitamura
  Physical Chemistry Chemical Physics, 21(41) 22756-22762, Sep 24, 2019

• Topological ferroelectric nanostructures induced by mechanical strain in strontium titanate
  Kairi Masuda, Lich Le Van, Takahiro Shimada, Takayuki Kitamura
  Physical Chemistry Chemical Physics, 21(40) 22420-22428, Sep 24, 2019

• Periodically-arrayed ferroelectric nanostructures induced by strain concentration in SrTiO₃
  Kairi Masuda, Le Van Lich, Takahiro Shimada, Takayuki Kitamura
  Transactions of the Japan Society of Mechanical Engineers, Part A, 85(876) 19-00175, Aug 25, 2019

• First-principles calculation of anomalous muonium in silicon: origin of the negative Fermi contact interaction constant
  Muhamad Nasruddin Manaf, Susumu Minami, Fumiyuki Ishii, Mineo Saito
  Japanese Journal of Applied Physics, 58(8) 081008-081008, Aug 1, 2019

• Ultrasoft silicon nanomembranes: thickness-dependent effective elastic modulus
  Ajit K. Katiyar, Ashwini Ann Davidson, Houk Jang, Yun Hwangbo, Byeori Han, Seonwoo Lee, Yohei Hagiwara, Takahiro Shimada, Hiroyuki Hirakata, Takayuki Kitamura, Jong-Hyun Ahn
  Nanoscale, 11(32) 15184-15194, Jul 26, 2019

• Deterministic Switching of Polarization Vortices in Compositionally Graded Ferroelectrics Using a Mechanical Field
  Le Van Lich, Tinh Quoc Bui, Takahiro Shimada, Takayuki Kitamura, Trong-Giang Nguyen, Van-Hai Dinh
  Physical Review Applied, 11(5) 054001-054001, May 1, 2019

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2018

• Giant magnetoelectric effect at the graphone/ferroelectric interface
  Jie Wang, Yajun Zhang, M. P. K. Sahoo, Takahiro Shimada, Takayuki Kitamura, Philippe Ghosez, Tong-Yi Zhang
  Scientific Reports, 8(1) 12448-12448, Dec, 2018

• First-principles study on thermoelectric properties of half-Heusler compounds CoMSb (M = Sc, Ti, V, Cr, and Mn)
  Susumu Minami, Fumiyuki Ishii, Yo Pierre Mizuta, Mineo Saito
  Applied Physics Letters, 113(3) 032403-032403, Jul 16, 2018

• Effect of geometric configuration on the electrocaloric properties of nanoscale ferroelectric materials
  Xu Hou, Huiyu Li, Takahiro Shimada, Takayuki Kitamura, Jie Wang
  Journal of Applied Physics, 123(12) 124103-124103, Mar 28, 2018

• Ferroelectric critical size and vortex domain structures of PbTiO₃ nanodots: A density functional theory study
  Xiaoyuan Wang, Yabin Yan, Takahiro Shimada, Jie Wang, Takayuki Kitamura
  Journal of Applied Physics, 123(11) 114101-114101, Mar 21, 2018

• Continuum thermodynamics of unusual domain evolution-induced toughening effect in nanocracked strontium titanate
  Le Van Lich, Takahiro Shimada, Jie Wang, Kairi Masuda, Tinh Quoc Bui, Van-Hai Dinh, Takayuki Kitamura
  Engineering Fracture Mechanics, 190 232-244, Mar, 2018

• Challenge toward nanometer scale fracture mechanics
  Takayuki Kitamura, Takashi Sumigawa, Takahiro Shimada, Le Van Lich
  Engineering Fracture Mechanics, 187 33-44, Jan, 2018

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2017

• Ferroelectricity in Ruddlesden–Popper Chalcogenide Perovskites for Photovoltaic Application: The Role of Tolerance Factor
  Yajun Zhang, Takahiro Shimada, Takayuki Kitamura, Jie Wang
  The Journal of Physical Chemistry Letters, 8(23) 5834-5839, Dec 7, 2017

• A unified and universal Griffith-based criterion for brittle fracture
  Kai Huang, Takahiro Shimada, Naoki Ozaki, Youhei Hagiwara, Takashi Sumigawa, Licheng Guo, Takayuki Kitamura
  International Journal of Solids and Structures, 128 67-72, Dec, 2017

• Switching the chirality of a ferroelectric vortex in designed nanostructures by a homogeneous electric field
  Le Van Lich, Takahiro Shimada, Jie Wang, Van-Hai Dinh, Tinh Quoc Bui, Takayuki Kitamura
  Physical Review B, 96(13) 134119-134119, Oct 25, 2017

• Strain-induced improper ferroelectricity in Ruddlesden-Popper perovskite halides
  Yajun Zhang, M. P. K. Sahoo, Takahiro Shimada, Takayuki Kitamura, Jie Wang
  Physical Review B, 96(14) 144110-144110, Oct 19, 2017

• Group-theoretical analysis of two-dimensional hexagonal materials
  Susumu Minami, Itaru Sugita, Ryosuke Tomita, Hiroyuki Oshima, Mineo Saito
  Japanese Journal of Applied Physics, 56(10) 105102, Oct. 1, 2017

• Strain-induced ferroelectricity and lattice coupling in BaSnO₃ and SrSnO₃
  Yajun Zhang, Jie Wang, M. P. K. Sahoo, Takahiro Shimada, Takayuki Kitamura
  Physical Chemistry Chemical Physics, 19(38) 26047-26055, Sep 7, 2017

• Phase field simulations on domain switching-induced toughening in ferromagnetic materials
  Yinuo Shi, Hongjun Yu, Takahiro Shimada, Jie Wang, Takayuki Kitamura
  European Journal of Mechanics - A/Solids, 65 205-211, Sep, 2017

• Unusual Metallic Multiferroic Transitions in Electron-Doped PbTiO₃
  Takahiro Shimada, Tao Xu, Yasumitsu Araki, Jie Wang, Takayuki Kitamura
  Advanced Electronic Materials, 3(8) 1700134-1700134, Aug, 2017

• Griffith Criterion for Nanoscale Stress Singularity in Brittle Silicon
  Takashi Sumigawa, Takahiro Shimada, Shuuhei Tanaka, Hiroki Unno, Naoki Ozaki, Shinsaku Ashida, Takayuki Kitamura
  ACS Nano, 11(6) 6271-6276, Jun 27, 2017

• Multiferroic Phases and Transitions in Ferroelectric Lead Titanate Nanodots
  Tao Xu, Takahiro Shimada, Yoshitaka Uratani, Xiaoyuan Wang, Jie Wang, Takayuki Kitamura
  Scientific Reports, 7(1) 45373-45373, Jun, 2017

• Multiferroic Dislocations in Ferroelectric PbTiO₃
  Takahiro Shimada, Tao Xu, Yasumitsu Araki, Jie Wang, Takayuki Kitamura
  Nano Letters, 17(4) 2674-2680, Apr 12, 2017

• Antiferroelectric and antiferrodistortive phase transitions in Ruddlesden-Popper Pb₂TiO₄ from first-principles
  Tao Xu, Takahiro Shimada, Jie Wang, Takayuki Kitamura
  Coupled systems mechanics, 6(1) 29-40, Mar 25, 2017

• Multilevel hysteresis loop engineered with ferroelectric nano-metamaterials
  Le Van Lich, Takahiro Shimada, Shahmohammadi Sepideh, Jie Wang, Takayuki Kitamura
  Acta Materialia, 125 202-209, Feb, 2017

• Self-ordering of nontrivial topological polarization structures in nanoporous ferroelectrics
  Le Van Lich, Takahiro Shimada, Jie Wang, Takayuki Kitamura
  Nanoscale, 9(40) 15525-15533, 2017

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2016

• Polar Superhelices in Ferroelectric Chiral Nanosprings
  Takahiro Shimada, Le Van Lich, Koyo Nagano, Jian-Shan Wang, Jie Wang, Takayuki Kitamura
  Scientific Reports, 6(1) 35199-35199, Dec, 2016

• Multiferroic Transitions and Misfit Phase Diagram in Oxygen-Deficient Epitaxial (111) PbTiO₃
  Takahiro Shimada, Yasumitsu Araki, Tao Xu, Jie Wang, Takayuki Kitamura
  Advanced Electronic Materials, 2(12) 1600113-1600113, Dec, 2016

• Unusual Multiferroic Phase Transitions in PbTiO₃ Nanowires
  Takahiro Shimada, Tao Xu, Yoshitaka Uratani, Jie Wang, Takayuki Kitamura
  Nano Letters, 16(11) 6774-6779, Nov 9, 201

• Mechanics of Fibrous Biological Materials With Hierarchical Chirality
  Huijuan Zhu, Takahiro Shimada, Jianshan Wang, Takayuki Kitamura, Xiqiao Feng
  Journal of Applied Mechanics, 83(10) 101010-101010, Oct 1, 2016

• Critical dimensional limit of continuum fracture mechanics for dislocation emission
  Takahiro Shimada, Le Van Lich, Kenji Ouchi, Yuu Chihara, Takayuki Kitamura
  Engineering Fracture Mechanics, 163 108-116, Sep, 2016

• An I-integral method for crack-tip intensity factor variation due to domain switching in ferroelectric single-crystals
  Hongjun Yu, Jie Wang, Takahiro Shimada, Huaping Wu, Linzhi Wu, Meinhard Kuna, Takayuki Kitamura
  Journal of the Mechanics and Physics of Solids, 94 207-229, Sep, 2016

• Hybrid improper ferroelectricity in SrZrO₃/BaZrO₃ superlattice
  Yajun Zhang, Jie Wang, M. P. K. Sahoo, Xiaoyuan Wang, Takahiro Shimada, Takayuki Kitamura
  Physical Chemistry Chemical Physics, 18(34) 24024-24032, Jul 26, 2016

• Modulation of Gas Adsorption and Magnetic Properties of Monolayer-MoS₂ by Antisite Defect and Strain
  MPK Sahoo, Jie Wang, Yajun Zhang, Takahiro Shimada, Takayuki Kitamura
  The Journal of Physical Chemistry C, 120(26) 14113-14121, Jul 7, 2016

• Polar and toroidal electromechanical properties designed by ferroelectric nano-metamaterials
  Le Van Lich, Takahiro Shimada, Shahmohammadi Sepideh, Jie Wang, Takayuki Kitamura
  Acta Materialia, 113 81-89, Jul, 2016

• Instability criterion for ferroelectrics under mechanical/electric multi-fields: Ginzburg-Landau theory based modeling
  Le Van Lich, Takahiro Shimada, Jie Wang, Takayuki Kitamura
  Acta Materialia, 112 1-10, Jun, 2016

• Multiferroic nature of intrinsic point defects in BiFeO₃: A hybrid Hartree-Fock density functional study
  Takahiro Shimada, Takahiro Matsui, Tao Xu, Kou Arisue, Yajun Zhang, Jie Wang, Takayuki Kitamura
  Physical Review B, 93(17) 174107-174107, May 12, 2016

• Multiferroic Domain Walls in Ferroelectric PbTiO₃ with Oxygen Deficiency
  Tao Xu, Takahiro Shimada, Yasumitsu Araki, Jie Wang, Takayuki Kitamura
  Nano Letters, 16(1) 454-458, Jan 13, 2016

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2015

• Colossal magnetoelectric effect in 3-1 multiferroic nanocomposites originating from ultrafine nanodomain structures
  Le Van Lich, Takahiro Shimada, Kohei Miyata, Koyo Nagano, Jie Wang, Takayuki Kitamura
  Applied Physics Letters, 107(23) 232904-232904, Dec 7, 2015

• Hierarchical ferroelectric and ferrotoroidic polarizations coexistent in nano-metamaterials
  Takahiro Shimada, Le Van Lich, Koyo Nagano, Jie Wang, Takayuki Kitamura
  Scientific Reports, 5(1) 14653-14653, Dec, 2015

• Interplay of coupling between strain and rotation in ferroelectric SrZrO₃/SrTiO₃ superlattices
  Yajun Zhang, MPK Sahoo, Takahiro Shimada, Hongjian Zhao, Jie Wang, Takayuki Kitamura
  Journal of Physics: Condensed Matter, 27(38) 385901-385901, Sep 30, 2015

• Mechanical control of magnetism in oxygen deficient perovskite SrTiO₃
  Yajun Zhang, Jie Wang, MPK Sahoo, Takahiro Shimada, Takayuki Kitamura
  Physical Chemistry Chemical Physics, 17(40) 27136-27144, Sep 16, 2015

• Defect-strain engineering for multiferroic and magnetoelectric properties in epitaxial (110) ferroelectric lead titanate
  Tao Xu, Takahiro Shimada, Yasumitsu Araki, Jie Wang, Takayuki Kitamura
  Physical Review B, 92(10) 104106-104106, Sep 14, 2015

• Multiferroic Vacancies at Ferroelectric PbTiO₃ Surfaces
  Takahiro Shimada, Jie Wang, Yasumitsu Araki, Matous Mrovec, Christian Elsässer, Takayuki Kitamura
  Physical Review Letters, 115(10) 107202-107202, Sep 3, 2015

• Breakdown of Continuum Fracture Mechanics at the Nanoscale
  Takahiro Shimada, Kenji Ouchi, Yuu Chihara, Takayuki Kitamura
  Scientific Reports, 5(1) 8596-8596, Aug, 2015

• Fracture mechanics at atomic scales
  Takahiro Shimada, Takayuki Kitamura
  Advanced Structured Materials, 64 379-396, Jun 6, 2015

• Research Progress in Atomistic Simulation on Ferroelectricity and Electromechanical Coupling Behavior of Nanoscale Ferroelectrics
  Wang Xiao-Yuan, Yan Ya-Bin, Takahiro Shimada, Takayuki Kitamura
  Journal of Inorganic Materials, 30(6) 561-570, Jun, 2015

• Hybrid functional study on the ferroelectricity of domain walls with O-vacancies in PbTiO₃
  Shogo Tomoda, Takahiro Shimada, Taku Ueda, Jie Wang, Takayuki Kitamura
  Mechanical Engineering Journal, 2(3) 15-00037-15-00037, Apr 6, 2015

• Anomalous toughening in nanoscale ferroelectrics with polarization vortices
  Le Van Lich, Takahiro Shimada, Koyo Nagano, Yu Hongjun, Jie Wang, Kai Huang, Takayuki Kitamura
  Acta Materialia, 88 147-155, Apr, 2015

• Magnetic instability criterion for spin–lattice systems
  Takahiro Shimada, Kenji Ouchi, Ichiro Ikeda, Yoshiyuki Ishii, Takayuki Kitamura
  Computational Materials Science, 97 216-221, Feb, 2015

• Multiferroic Grain Boundaries in Oxygen-Deficient Ferroelectric Lead Titanate
  Takahiro Shimada, Jie Wang, Taku Ueda, Yoshitaka Uratani, Kou Arisue, Matous Mrovec, Christian Elsässer, Takayuki Kitamura
  Nano Letters, 15(1) 27-33, Jan 14, 2015