Journal Articles & Books (学術論文・著書)


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Journal Articles(学術論文)

2019

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)