Journal Articles & Books (学術論文・著書)


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Journal Articles(学術論文)

2024

Mechanical Rippling for Diverse Ferroelectric Topologies in Otherwise Nonferroelectric SrTiO3 Nanofilms
Tao Xu, Chengsheng Wu, Sizheng Zheng, Yu Wang, Jie Wang, Hiroyuki Hirakata, Takayuki Kitamura, Takahiro Shimada
Physical Review Letters, Vol. 132, Issue 8, Article number 086801 (7pp) (2024).

Evaluation Method for Electromagnetic Induction Testing of Dielectrics Using Impedance Plane Diagrams Drawn Using Ampère-Maxwell Equation and Simple Electrical Circuit Model
Wataru Matsunaga, Yoshihiro Mizutani
Journal of Nondestructive Evaluation, Vol. 43, Article number 30 (14 pp) (2024).

Effects of fiber orientation and resin-rich layers in carbon fiber reinforced thermoplastics on electromagnetic induction testing
Wataru Matsunaga, Satoshi Imai, Yoshihiro Mizutani, Akira Todoroki
Advanced Composite Materials,  (2024).

Estimation of the moisture absorption rate of carbon fiber reinforced plastic using electromagnetic induction testing
Wataru Matsunaga, Satoshi Imai, Yoshihiro Mizutani, Tetsuo Yasuoka, Akira Todoroki
Composites Part A: Applied Science and Manufacturing, Vol. 177, Article number 107934 (2024).

 

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, Vol. 134, Article number 175102 (2023).

Qualitative evaluation of the moisture absorption rate in adhesive layers of carbon fiber reinforced plastic joints using electromagnetic induction testing
Wataru Matsunaga, Satoshi Imai, Yoshihiro Mizutani, Tetsuo Yasuoka, Akira Todoroki
Composite Structures, Vol. 323, Article number 117467 (2023).

Analysis of wave-particle drag effect in flexoelectric semiconductor plates via Mindlin method
Yilin Qu, Feng Zhu, Ernian Pan, Feng Jin, Hiroyuki Hirakata
Applied Mathematical Modelling, Vol. 118, 541-555 (2023).

Thermal shock fracture analysis of auxetic honeycomb layer based on non-Fourier heat conduction
Junsong Hu, Baolin Wang, Hiroyuki Hirakata, Kaifa Wang
Engineering Structures, Vol. 279, Article number 115581 (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, Vol. 133, Article number 035101 (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, Vol. 277, Article number 108974 (2023).

Dynamic Precursor Effect: Magnitude-fluctuated coherent spin waves emitted by skyrmions
Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada
Acta Materialia, Vol. 250, Article number 118867 (2023)

Lamellar aspect-ratio and thickness-dependent strength-ductility synergy in pure nickel during in-situ micro-tensile loading
Zi-Meng Wang, Yun-Fei Jia, Kai-Shang Li, Yong Zhang, Jia-Dong Cai, Xian-Cheng Zhang, Hiroyuki Hirakata, Shan-Tung Tu
Journal of Materials Science & Technology,  Vol. 157 , 89-97 (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, Vol. 17, Article number 10836 (2023)

Interfacial thermal damage and fatigue between auxetic honeycomb sandwich and underneath substrate
J.S. Hu, B.L. Wang, H. Hirakata, Z. Li
International Journal of Solids and Structures, Vol. 279, Article number 1152364 (2023).

Mechanical effect on skyrmion-skyrmion interaction
Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada
International Journal of Mechanical Sciences, Vol. 261, Article number 108699 (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 Reports, Vol. 13, Article number 16546 (2023).

 

2022

Bending deformation and self-restoration of submicron-sized graphite cantilevers
Masao Akiyoshi, Shunya Koike, Takahiro Shimada, Hiroyuki Hirakata
Acta Materialia, Vol. 241, Article number 118381 (2022).

Exponential temperature effects on skyrmion-skyrmion interaction
Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada
Physical Review Applied, Vol. 18, Article number 044024 (2022).

Effective modeling of magnetization dynamics with unconstrained magnetization magnitude: Dynamic Precursor Effect in Magnets
Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada
Physical Review B, Vol. 106, Issue 9, Article number 094423 (10 pp) (2022).

Flexoelectric properties of multilayer two-dimensional material MoS2
Hiroyuki Hirakata, Yasuyuki Fukuda and Takahiro Shimada
Journal of Physics D: Applied Physics, Vol. 55, Article number 125302 (2022).

Interlaminar fracture toughness measurement of multilayered 2D thermoelectric materials Bi2Te3 by a tapered cantilever bending experiment
Pan Wang, Kaifa Wang, Baolin Wang, Li Xi, Kyohei Sano, Takahiro Shimada, Hiroyuki Hirakata, Daining Fang
Experimental Mechanics, Vol. 62, 165-180 (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, Vol. 18, Article number 014049 (2022).

 

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, Vol. 221, Article number 117383 (2021).

Emergence of non-trivial polar topologies hidden in singular stress field in SrTiO3: Topological strain-field engineering
Takahiro Shimada, Yu Wang, Takayuki Hamaguchi1, Kohta Kasai, Kairi Masuda, Le Van Lich, Tao Xu, Jie Wang, Hiroyuki Hirakata
Journal of Physics: Condensed Matter, Vol. 33, Article number 505301 (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, Vol. 36, 4438–4448 (2021).

Ferroic dislocations in paraelectric SrTiO3
Takahiro Shimada, Kairi Masuda, Youhei Hagiwara, Naoki Ozaki, Tao Xu, Jie Wang, and Takayuki Kitamura
Physical Review B (Letter), Vol. 103, Issue 6, Article number L060101 (6 pp) (2021).

Prediction of tunable magnetoelectric properties in compositionally graded ferroelectric/ferromagnetic laminated nanocomposites
Minh-Tien Ie, Le Van Lich, Takahiro Shimada, Takayuki Kitamura, Trong-Giang Nguyen, and Van-Hai Dinh
Applied Physics Letters, Vol. 118, Issue 5, Article number 052905 (6 pp) (2021).

Dynamical topology in ferroelectric nanostructures by 1/2 [1-10] (110) dislocations in SrTiO3
Kairi Masuda, Takahiro Shimada, and Takayuki Kitamura
Physical Review B, Vol. 103, Issue 5, Article number 054114 (7 pp) (2021).

 

2020

Electron-beam irradiation alters bond strength in zinc oxide single crystal
Hiroyuki Hirakata, Kyohei Sano, and Takahiro Shimada
Applied Physics Letters, Vol. 116, Article number 111902 (4 pp) (2020).

Selective excitation of two-wave structure depending on crystal orientation under shock compression
Qi-lin Xiong, Takahiro Shimada, Takayuki Kitamura, and Zhenhuan Li
Science China – Physics, Mechanics & Astronomy, Vol. 63, No. 11, Article number 114611 (13 pp) (2020).

In situ TEM observation of nanodomain mechanics in barium titanate under external loads
Takashi Sumigawa, Ken Hikasa, Akihiro Kusunose, Hiroaki Unno, Kairi Masuda, Takahiro Shimada, and Takayuki Kitamura
Physical Review Materials, Vol. 4, Issue 5, Article number 054415 (8 pp) (2020).

Ab initio study of ferroelectric critical size of SnTe low-dimensional nanostructures
Takahiro Shimada, Koichiro Minaguro, Tao Xu, Jie Wang, and Takayuki Kitamura
Nanomaterials, Vol. 10, Article number 732 (14 pp) (2020).

Ferrotoroidic polarons in antiferrodistortive SrTiO3
Takahiro Shimada, Yuuki Ichiki, Gen Fujimoto, Tao Xu, Jie Wang, and Hiroyuki Hirakata
Physical Review B, Vol. 101, Issue 21, Article number 214101 (9 pp) (2020).

Atomic investigation of effects of coating and confinement layer on laser shock peening
Qi-lin Xiong, Takahiro Shimada, Takayuki Kitamura, and Zhenhuan Li
Optics and Laser Technology, Vol. 131, Article number 106409 (2020).

Ferroelectric control of magnetic skyrmions in multiferroic heterostructures
Yu Wang, Jiajun Sun, Takahiro Shimada, Hiroyuki Hirakata, Takayuki Kitamura, and Jie Wang
Physical Review B, Vol. 102, Issue 1, Article number 014440 (7 pp) (2020).

SnTeナノリボンの強誘電性臨界寸法とそのひずみエンジニアリング
皆黒 幸一朗,嶋田 隆広,益田 快理,北村 隆行
日本機械学会論文集,86巻,887号,論文番号19-00430 (11 pp) (2020).

Deformation mode dependence of an exothermic chemical reaction in Ti/Si multilayered nanofilms
Hiroyuki Hirakata, Takahiro Shiraishi, Takahiro Shimada
Materials Science & Engineering A, Vol. 796, Article number 140021 (20 pp) (2020).

Beyond conventional nonlinear fracture mechanics in graphene nanoribbons
Takahiro Shimada, Kai Huang, Le Van Lich, Naoki Ozaki, Bongkyun Jang, and Takayuki Kitamura
Nanoscale, Vol. 12, Issue 35, pp. 18363-18370 (2020).

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

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

Enhancement of electromechanical properties in (0-3) lead-free ferroelectric heterostructures with multiphase coexistence
Le Van Lich, Takahiro Shimada, Takayuki Kitamura, Tinh Quoc Bui, and Van-Hai Dinh
Composites Communications, Vol. 22, Article number 100540 (7 pp) (2020).

Defects engineering for non-trivial multiferroic orders in SrTiO3
Tao Xu, Takahiro Shimada, Masataka Mori, Jie Wang, and Takayuki Kitamura
Physical Review Materials, Vol. 4, Article number 124405 (7 pp) (2020).

 

2019

Electron-beam enhanced creep deformation of amorphous silicon nano-cantilever
Hiroyuki Hirakata, Kenta Konishi, Toshiyuki Kondo, Kohji Minoshima
Journal of Applied Physics, Vol. 126 (2019), 105102.

Effects of surface oxide layer on fracture toughness of submicrometer-thick freestanding copper films
Toshiyuki Kondo, Daiki Miki, Hiroyuki Hirakata, Kohji Minoshima
Engineering Fracture Mechanics, Vol.220 (2019), 106652.

Topological ferroelectric nanostructures induced by mechanical strain in strontium titanate
K. Masuda, L. V. Lich, T. Shimada, T. Kitamura
Physical Chemistry Chemical Physics, Vol. 21, pp. 22420-22428 (2019).

Periodically-arrayed ferroelectric nanostructures induced by dislocation structures in strontium titanate
K. Masuda, L. V. Lich, T. Shimada, T. Kitamura
Physical Chemistry Chemical Physics, Vol. 21, pp. 22756-22762 (2019).

Intrinsic and extrinsic effects on the electrotoroidic switching in a ferroelectric notched nanodot by a homogeneous electric field
V.-H. Dinh, L. V. Lich, T. Q. Bui, L. V. Tuan, T.-G. Nguyen, T. Shimada, T. Kitamura
Physical Chemistry Chemical Physics, Vol. 21, pp. 25011-25022 (2019).

Effect of the oxygen vacancy on the ferroelectricity of 90° domain wall structure in PbTiO3: A density functional theory study
X. Wang, T. Xu, F. Xuan, C. Q. Chen, T. Shimada, T. Kitamura
Journal of Applied Physics, Vol. 126, Article number 174107 (2019).

Analysis of three-dimensional ellipsoidal inclusions in thermoelectric solids
P. Wang, B.L. Wang, K.F. Wang, H. Hirakata, C. Zhang
International Journal of Engineering Science, Vol. 142,  pp. 158–169 (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, Vol. 179, pp. 215-223 (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, Vol. 11, pp. 15184-15194 (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 (in Japanese), Vol. 85, Issue 876, Article number 19-00175 (12 pp) (2019).

Lifetime prediction of thermoelectric devices under thermal cycling
Pan Wang, J.E. Li, Baolin Wang, Takahiro Shimada, Hiroyuki Hirakata, Cheng Zhang
Journal of Power Sources, Vol. 437, Article number 226861 (11 pp) (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, Vol. 103, Article number 102300 (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, Vol.11, Article number 054001 (2019).

Vacuum effects on fatigue crack growth in submicrometre‐thick freestanding copper films
Toshiyuki Kondo, Akihiro Shin, Masaya Akasaka, Hiroyuki Hirakata, Kohji Minoshima
Fatigue & Fracture of Engineering Materials & Structures, Vol.42  (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, Vol. 5, Article number 23 (2019)


2018

Size effect on tensile creep behavior of micrometer-sized single-crystal gold
Hiroyuki Hirakata, Kousuke Shimbara, Toshiyuki Kondo, Kohji Minoshima
Materialia, Vol. 1, pp. 221-228 (2018)

Fracture toughness of freestanding copper films with a thickness of 39 nm
Toshiyuki Kondo, Kazuki Hiramine, Hiroyuki Hirakata, Kohji Minoshima
Engineering Fracture Mechanics, Vol.200, pp. 521-531 (2018)

Plastic deformation dominates chemical reactions in Ti/Si multilayered nanofilms
Hiroyuki Hirakata, Takashi Kawai, Toshiyuki Kondo, Kohji Minoshima
Materials Science & Engineering A, Vol.737, pp.105-114 (2018)

自立金ナノ薄膜のクリープき裂進展のその場FESEM 観察/EBSD 解析
近藤俊之, 井上寛之, 平方寛之, 箕島弘二
材料, Vol. 67, No. 12, pp. 1050-1057 (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, Vol. 123, Issue 11, Article number 114101 (2018)

Giant magnetoelectric effect at the graphone/ferroelectric interface
Jie Wang, Yajun Zhang, Mohapatra Prakash Kumar Sahoo, Takahiro Shimada, Takayuki Kitamura, Tong-Yi Zhang
Scientific Reports, Vol. 8, Article number 12448 (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, Vol. 123, Issue 12, Article number 124103 (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, Vol. 190, pp. 232-244 (2018)

Challenge toward nanometer scale fracture mechanics
Takayuki Kitamura, Takashi Sumigawa, Takahiro Shimada, and Le Van Lich
Engineering Fracture Mechanics (50th Anniversary Issue), Vol. 187, pp. 33-44 (2018)


2017

Thickness effects on fatigue crack propagation in submicrometer-thick freestanding copper films
Toshiyuki Kondo, Hiroyuki Hirakata, Kohji Minoshima
International Journal of Fatigue, Vol. 103, pp. 444-455 (2017)

Ferroelectricity in Ruddlesden-Popper chalcogenide perovskites for photovoltaic application: A role of tolerance factor
Yajun Zhang, Takahiro Shimada, Takayuki Kitamura, Jie Wang
The Journal of Physical Chemistry Letters, Vol. 8, Issue 23, pp. 5834-5839 (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, Vol. 96, Article number 134119 (2017)
[Selected to “Editors’ Suggestion”]

Self-ordering of nontrivial topological polar structures in nanoporous ferroelectrics
Le Van Lich, Takahiro Shimada, Jie Wang, Takayuki Kitamura
Nanoscale, Vol. 9, pp. 15525-15533 (2017)

Strain-induced improper ferroelectricity in Ruddlesden-Popper perovskite halides
Yajun Zhang, MPK Sahoo, Takahiro Shimada, Takayuki Kitamura, Jie Wang
Physical Review B, Vol. 96, Article number 144110 (2017)

Strain-induced ferroelectricity and lattice coupling in BaSnO3 and SrSnO3
Yajun Zhang, Jie Wang, Mohapatra Prakash Kumar Sahoo, Takahiro Shimada, Takayuki Kitamura
Physical Chemistry Chemical Physics, Vol. 19, pp. 26047-26055 (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, Vol. 127, pp. 67-72 (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, Vol. 11, Issue 6, pp. 6271-6276 (2017)

Unusual metallic multiferroic transitions in electron-doped PbTiO3
Takahiro Shimada, Tao Xu, Yasumitsu Araki, Jie Wang, Takayuki Kitamura
Advanced Electronic Materials, Vol. 3, Issue 8, Article number 1700134 (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, Vol. 65, pp. 205-211 (2017)

Antiferroelectric and antiferrodistortive phase transitions in Ruddlesden-Popper Pb2TiO4 from first-principles
Tao Xu, Takahiro Shimada, Jie Wang, Takayuki Kitamura
Coupled System Mechanics, Vol. 6, No. 1, pp. 29-40 (2017)

Multiferroic dislocations in ferroelectric PbTiO3
Takahiro Shimada, Tao Xu, Yasumitsu Araki, Jie Wang, Takayuki Kitamura
Nano Letters, Vol. 17, Issue 4, pp. 2674-2680 (2017)

Multiferroic phases and transitions in ferroelectric lead titanate nanodots
Tao Xu, Takahiro Shimada, Yoshitaka Uratani, Xiaoyuan Wang, Jie Wang, Takayuki Kitamura
Scientific Reports, Vol. 7, Article number 45373 (2017)

Multilevel hysteresis loop engineered with ferroelectric nano-metamaterials
Le Van Lich, Takahiro Shimada, Shahmohammadi Sepideh, Jie Wang, Takayuki Kitamura
Acta Materialia, Vol. 125, pp. 202-209 (2017)


Books(著書)

Multiphysics in Nanostructures

Yoshitaka Umeno, Takahiro Shimada, Yusuke Kinoshita, Takayuki Kitamura
Springer, Total page 214 (2017)
ISBN: 978-4-431-56571-0 (Hardcover)
ISBN: 978-4-431-56573-4 (eBook)

Fracture Nanomechanics (2nd Edition)

Takayuki Kitamura, Takashi Sumigawa, Hiroyuki Hirakata, Takahiro Shimada
Pan Stanford Publishing Pte. Ltd., Total page 323, (2015)
ISBN: 978-981-4669-04-7 (Hardcover)
ISBN: 978-981-4669-05-4 (eBook)