ACHIEVEMENT

category

Journal Papers 2021

●Time-Dependent Imprint in Hf0.5Zr0.5O2 Ferroelectric Thin Films
Kenshi Takada, Shuya Takarae, Kento Shimamoto, Norifumi Fujimura, Takeshi Yoshimura
Advanced Electronic Materials
https://doi.org/10.1002/aelm.202100151

●Ultralarge Photoluminescence Enhancement of Monolayer Molybdenum Disulfide by Spontaneous Superacid Nanolayer Formation
Y. Yamada, Y. Zhang, H. Ikeno, K. Shinokita, T. Yoshimura, A. Ashida, N. Fujimura, K. Matsuda, and D. Kiriya
ACS Applied Materials & Interfaces(in press)

●Strong Photoluminescence Enhancement from Bilayer Molybdenum Disulfide via the Combination of UV-irradiation and Superacid Molecular Treatment
Yuki Yamada, Takeshi Yoshimura, Atsushi Ashida, Norifumi Fujimura, Daisuke Kiriya
Applied Sciences 11(8), 3530 (2021).
https://doi.org/10.3390/app11083530

●Characteristics of Sputtered Lead Zirconate Titanate Thin Films with Different Layer Configurations and Large Thickness
K. Kanda, T. Koyama, T. Yoshimura, S. Murakami, K. Maenaka
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 68(5):1988-1993 (2021).
https://ieeexplore.ieee.org/document/9264229

International Conference 2021

8th International Workshop on Piezoelectric MEMS (virtual conference)
-June 2021, virtual conference-
■Investigation of electromechanical characteristics of 2-degree-of-freedom MEMS piezoelectric vibration energy harvester under impulsive force   S. Aphayvong
■Investigation of the growth mechanism of BiFeO3 films on sputtering method  R. Kikuchi
■Electrical properties of organic piezoelectric P(VDF-TrFE) films fabricated by various solvent  K. Hiratsuka
■Characteristics of Al1-xScxN epitaxial thin film on Si substrate by changing nitrogen partial pressure  K. Miyaji

 

IEEE IFCS-ISAF 2021 (virtual conference)
-May 2021, virtual conference-
■Approaches to Develop High Performance Piezoelectric Vibration Energy Harvester  T. Yoshimura
■Electromechanical Properties of 2-Degree-of-Freedom MEMS Piezoelectric Vibration Energy Harvester Under Impulsive Force   S. Aphayvong

 

International Conference 2020

ECS Pacific Rim Meeting (PRiME)2020 (virtual conference)
-Oct. 2020, Virtual Conference-
■Non-Equilibrium Treatment of Molecular Dopants for 2D Materials   D. Kiriya

 

IEEE IFCS-ISAF 2020
-July 2020, Colorado, USA- (virtual conference)
■Observation of Domain Structure of P(VDF-TrFE) Films Using Direct Piezoelectric Response Microscopy   T. Yoshimura
■Formation Process of Metastable Phases of Al-Doped HfO2 Films Directly on Si by Atomic Layer Deposition    S. Takarae
■Investigation of the Growth Mechanism of PZT Films Using Combinatorial Sputtering Method   M. Murase
■Electromechanical Properties of MEMS Piezoelectric Vibration Energy Harvester for Impulse Vibration   S. Aphayvong

 

Journal Papers 2020

●Dependency of direct and inverse transverse piezoelectric properties on composition in self-polarized epitaxial (KxNa1−x)NbO3 films grown via a hydrothermal method
A. Tateyama, Y. Ito, T. Shimizu, Y. Orino, M. Kurosawa, T.Yoshimura, H. Funakubo
Jpn. J. Appl. Phys. 59, SPPC03 (2020).
https://iopscience.iop.org/article/10.35848/1347-4065/aba9b3

●Good piezoelectricity of self-polarized thick epitaxial (K,Na)NbO3 films grown below the Curie temperature (240 °C) using a hydrothermal method
A. Tateyama, Y. Ito, Y. Nakamura, T. Shimizu, Y. Orino, M. Kurosawa, H. Uchida, T. Shiraishi, T. Kiguchi, T. J. Konno, T. Yoshimura, H. Funakubo
Appl. Phys. Lett. 117, 142903 (2020)
https://aip.scitation.org/doi/10.1063/5.0017990

●Supersensitive Ultrasound Probes for Medical Imaging by Piezoelectric MEMS with Complemented Transmitting and Receiving Transducers
K. Suzuki, Y. Nakayama, N. Shimizu, T. Mizuno, Y. Mita, T. Yoshimura
2020 IEEE International Ultrasonics Symposium (IUS), Las Vegas, NV, USA, 2020, pp. 1-4
https://ieeexplore.ieee.org/document/9251511

●Combinatorial study of the phase development of sputtered Pb(Zr,Ti)O3 films
M. Murase, T. Yoshimura and N. Fujimura
J. J. Appl. Phys. 59 SPPC05 (2020)
https://iopscience.iop.org/article/10.35848/1347-4065/abb4c0

●Investigation of Efficient Piezoelectric Energy Harvesting from Impulsive Force
S. Aphayvong, T. Yoshimura, S. Murakami, K. Kanda, N. Fujimura
J. J. Appl. Phys. 59 SPPD04 (2020)
https://iopscience.iop.org/article/10.35848/1347-4065/abad16

●Change in the defect structure of composition controlled single-phase YbFe2O4 epitaxial thin films
K. Shimamoto, J. Tanaka, K. Miura, D. Kiriya, T. Yoshimura, N. Fujimura
J. J. Appl. Phys. 59 SPPB07 (2020)
https://iopscience.iop.org/article/10.35848/1347-4065/aba9b2

●Photoactivation of Strong Photoluminescence in Superacid-Treated Monolayer Molybdenum Disulfide
Y. Yamada, K. Shinokita, Y. Okajima, S. N. Takeda, Y. Matsushita, K. Takei, T. Yoshimura, A. Ashida, N. Fujimura, K. Matsuda, D. Kiriya
ACS Appl. Mater. Interfaces, 2020, 12, 36496–36504 (2020)
https://pubs.acs.org/doi/abs/10.1021/acsami.0c09084

●Investigation of the electrocaloric effect in ferroelectric polymer film through direct measurement under alternating electric field
Y. Matsushita, T. Yoshimura, D. Kiriya, N. Fujimura
Appl. Phys. Express 13, 041007  (2020)
https://doi.org/10.35848/1882-0786/ab8053

●Valence states and the magnetism of Eu ions in Eu-doped GaN
T.Nunokawa, Y. Fujiwara, Y. Miyata, N. Fujimura, T.Sakurai, H.Ohta, A.Masago, H.Shinya, T. Fukushima, K. Sato, H. Katayama-Yoshida
Journal of Applied Physics 127, 083901 (2020)
https://doi.org/10.1063/1.5135743

International Conference 2019

Materials Research Meeting 2019
-Dec.2019,Yokohama,Japan-
■Perspectives of Novel Applications of Ferroelectric/Piezoelectric Thin Films for Smart Systems (Keynote)    N.Fujimura
■Development of an Electron Doping Method Using Specific Interaction between Amide Molecule and MoS2    A. Fukui
■Large Photoluminescence Enhancement of Monolayer MoS2 by a Molecular Treatment with the Aid of UV Irradiation   Y. Yamada
■Magnetic and electric properties of near stoichiometric YbFe2O4 thin films fabricated by PLD using stoichiometric YbFe2O4 target with Fe2O3   J.Tanaka
■Epitaxial growth of (111) ITO films for top/bottom electrodes of ferroelectric films  K. Shimamoto

Nanotechnology2019
-Dec. 2019,Kuala Lumpur, Malaysia-
■Tuning the Electronic Structure of Transition Metal Dichalcogenides by Molecular Engineering  D. Kiriya

The 4th Graphene Flagship EU-Japan Workshop on Graphene and related 2D materials
-Nov. 2019, Pisa, Italy-
■Electronic structure modification of TMDC materials by spontaneously patterned molecular dopant film D. Kiriya

19th US-Japan Seminar on Dielectric and Piezoelectric Ceramics
-Nov. 2019, Tukuba, Japan-
■High-performance Piezoelectric MEMS Vibration Energy Harvester using (100) BiFeO3Films  T. Yoshiura

The 13th Pacific Rim Conference of Ceramic Societies (PACRIM13)
-Oct. 2019, Okinawa, Japan-
■Perspective on Ferroelectric Thin Films for Novel Device Applications (Keynote)  N. Fujimura
■Energy Harvesting from Electric Power Lines Using Piezoelectric Effect  T. Yoshiura

236th ECS (Electrochemical Society) Meeting
-Oct. 2019, Atlanta, USA-
■Large Photoluminescence Enhancement of Monolayer Molybdenum Disulfide via Molecular treatment  D. Kiriya

11th International Symposium on Transparent Oxide and Related Materials for Electronics and Optics(TOEO11)
-Oct. 2019, Nara, Japan-
■Fabrication of Stoichiometry Controlled YbFe2O4 Epitaxial Thin Films Using PLD Method Controlled YbFe2O4 Epitaxial Thin Films Using PLD Method  J. Tanaka
■Domain Structure Imaging in P(VDF-TrFE) Films using Direct Piezoelectric Response Microscopy  I. Kanagawa
■Investigation of The Epitaxial Growth of PZT Thin Films on Si Substrates using TiN Buffer Layer  M. Murase
■Control of Epitaxial Orientation and Crystal Structure of HfO2:Y/Si Films by Oxygen Partial Pressure  Y. Saho
■Growth of Highly-Resistive ZnO Films Fabricated using Non-Equilibrium Plasma Generated Near Atmospheric Pressure  S. Takarae
■Effects of bottom electrodes on the epitaxial growth of YbFe2O4 films  K. Shimamoto

Asia-Pacific PFM 2019
-Aug.2019,Seoul, Korea-
■Investigation of the Domain Wall Contribution on the Piezoelectric Properties of BiFeO3 Films by Direct Piezoelectric Response Microscopy (Invited)  T. Yoshimura

The Joint ISAF-ICE-EMF-IWPM-PFM Meeting 2019
-July, 2019, Lausanne, Switzerland-
■Piezoelectric MEMS Vibration Energy Harvester Using Sputtered BiFeO3 Films  T. Yoshimura
■Electrocaloric temperature change in ferroelectric polymer thin film under AC electric field  Y. Matsushita
■Epitaxial growth of BiFeO3 films on Si substrates by Sputtering method  N. Okamoto
■Characterization of direct piezoelectric response for P(VDF-TrFE) films using scanning probe microscopy  I. Kanagawa

EM-NANO 2019
-Jun.2019,Nagano,Japan-
■Preparation of Cu2O/ZnO Heterojunctions by Electrodeposition from Aqueous Solution  S.Shiomoto

EMN Rome meeting 2019
–May,2019,Rome, Italy-
■Molecular Engineering of Transition Metal Dichalcogenides (Invited)    D. Kiriya

2019 MRS Spring Meeting
-Apr. 2019,Arizona,USA-
■Time-Resolved Simulation of the Negative Capacitance Stage Emerging at the
Ferroelectric/Semiconductor Hetero-Junction(Invited)
Norifumi Fujimura

China-Japan Symposium of Functional Coordination Chemistry 2019
-Apr.2019,Sun Yat-sen University,China-
■Molecular modulation of carrier behaviors in 2D semiconducting(Invited)     D.Kiriya

Journal Papers 2019

Monolithic Integration of P(VDF-TrFE) Thin Film on CMOS for Wide-band Ultrasonic Transducer Arrays
K. Suzuki, Y. Nakayama, I. Kanagawa, Y. Matsushita, T. Mizuno, Y. Mita, T. Yoshimura
2019 IEEE International Ultrasonics Symposium (IUS) 807-810 (2019)
https://ieeexplore.ieee.org/document/8926015/

Quantitative analysis of the direct piezoelectric response of bismuth ferrite films by scanning probe microscopy
K. Kariya, T. Yoshimura, K. Ujimoto, N. Fujimura
Scientific Reports 9, 19727 (2019)
https://doi.org/10.1038/s41598-019-56261-w

Fabrication of chemical composition controlled YbFe2O4 epitaxial thin films
J. Tanaka, K. Miura, D. Kiriya, T. Yoshimura, A. Ashida, N. Fujimura
Jpn. J. Appl. Phys.  58, SLLB11 (2019)
https://doi.org/10.7567/1347-4065/ab3959

Piezoelectric energy harvesting from AC current-carrying wire
T. Yoshimura, K.Izumi, Y. Ueno, T. Minami, S. Murakami, N. Fujimura
Jpn. J. Appl. Phys. 58, SLLD10 (2019)
https://doi.org/10.7567/1347-4065/ab3e57

●The effect of small amount of oxygen during deposition on structural changes in sputtered HfO2-based films
K. Takada, Y. Saho, T. Yoshimura, N. Fujimura
Jpn. J. Appl. Phys. 58, SLLB03 (2019)
https://doi.org/10.7567/1347-4065/ab37cb

●Electronic Structure Mosaicity of Monolayer Transition Metal Dichalcogenides by Spontaneous Pattern Formation of Donor Molecules
H. Ichimiya, M. Takinoue, A. Fukui, T. Yoshimura, A. Ashida, N. Fujimura, D. Kiriya
ACS Appl. Mater. Interfaces, 11 (17), pp 15922–15926 (2019)
https://pubs.acs.org/doi/10.1021/acsami.9b03367

●Solvent engineering for strong photoluminescence enhancement of monolayer molybdenum disulfide in redox-active molecular treatment
H. Ichimiya, A. Fukui, Y. Aoki, Y. Yamada, T. Yoshimura, A. Ashida, N. Fujimura, D. Kiriya
Applied Physics Express, Volume 12, Number 5,051014,1-5 (2019)
https://iopscience.iop.org/article/10.7567/1882-0786/ab1544

●Electromechanical characteristics of piezoelectric vibration energy harvester with 2-degree-of-freedom system
Masaaki Aramaki, Takeshi Yoshimura, Shuichi Murakami, Kensuke Kanda, and Norifumi Fujimura
Appl. Phys. Lett. 114, 133902,1-4 (2019)
https://doi.org/10.1063/1.5093956

●Demonstration of high-performance piezoelectric MEMS vibration energy harvester using BiFeO3 film with improved electromechanical coupling factor
Masaaki Aramaki, Takeshi Yoshimura, Shuichi Murakami, Kazuo Satoh, Norifumi Fujimura
Sensors and Actuators A: Physical, Volume 291, 167-173,(2019)
https://doi.org/10.1016/j.sna.2019.03.050

●InAs FinFETs Performance Enhancement by Superacid Surface Treatment
Y. Zeng, S. Khandelwai, K. F. Shariar, Z. Wang, G. Lin, Q. Cheng, P. Cui, R. Opila, G. Balakrishnan, S. Addamane, P. Taheri, D. Kiriya, M. Hettick, A. Javey
IEEE Transactions on Electron Devices,66,4,1856-1861(2019)
https://ieeexplore.ieee.org/document/8663608/authors

International Conference 2018

Advanced Materials Congress
-Mar.2019,Stockholm,Sweden-
■Modify the Optoelectronic Properties of Transition Metal Dichalcogenides by Molecular Interaction
Daisuke Kiriya

2018 MRS Fall Meeting
-Nov.2018,Boston,USA-
■Photo-Induced Phenomena of Strongly Correlated YMnO3 Ferroelectric Epitaxial Films(Invited)
Norifumi Fujimura
■Physical Nature of Negative Capacitance Emerged in Ferroelectric-gate FETs
Kenshi Takada

AiMES 2018
-Oct.2018,Cancun,Mexico-
■Molecular Engineering on Transition Metal Dichalcogenides    D. Kiriya

IWPMA 2018
-Sep,2018,Kobe,Japan
■High-Efficient Piezoelectric MEMS Vibration Energy Harvester using Sputtered BiFeO3 films M.Aramaki
■Energy Harvesting from AC Power Line using Piezoelectric and Permanent Magnet   K.Izumi

12th Japan-Korea Conference on Ferroelectrics(JKC-FE 12)
-Aug.2018、Nara,Japan-
■Development of High Performance Piezoelectric MEMS Vibration Energy Harvester using
BiFeO3 films   M.Aramaki
■Characterization of Electrocaloric Temperature Changes in P(VDF-TrFE) Thin Films
in P(VDF-TrFE) Thin Films     Y.Matsushita
■Investigation of Physical Nature of Transient Negative Capacitance Emerged in
Ferroelectric-gate FETs    K.Takada
■Photo-induced phenomena of strongly correlated ferroelectric YMnO3 epitaxial films  K.Miura
■Energy Harvesting from AC Power Line K.Izumi
■Spontaneous pattern-formation toward effective doping in 2D materials H.Ichimiya
■Fabrication of ZnO thin films by PLD using nonequilibrium with additional oxygen-nitrogen
plasma source      R.Kanaya
■Growth process of HfO2:Y epitaxial thin films on (001) Si   D.Kamada
■The direct piezoelectric properties of (100) BiFeO3 epitaxial films deposited by rf magnetron
sputtering      N.Okamoto
■Piezoelectric properties of vinylidene fluoride – trifluoroethylene copolymer [P(VDF-TrFE)] films
I.Kanagawa
■Electric and magnetic properties of multiferroic YbFe2O4 thin films with non-stoichiometric
omposition    J.Tanaka
■Synthesis and Characterization of a Molecular Dopant for 2D Semiconducting Materials A.Fukui

RamanFest 2018
-Jun.2018、Tokyo,Japan-
■Development of a Molecular Dopant toward Selective-area Carrier Modulation of 2D Materials
A. Fukui

IFAAP 2018
-May.2018、Hiroshima,Japan-
■Investigation of Ionic Polymer Gel Electrode for Energy Harvesters using Organic Ferroelectrics
T. Yoshimura
■Investigation of the Effect of Nonlinearity on the Electromechanical Properties of Piezoelectric MEMS Vibration Energy Harvesters   M. Aramaki
■Emergence of the Negative Capacitance in Ferroelectric-gate FETs   K. Takada
■Piezoelectric Energy Harvester for AC Power Line    K. Izumi
■The effect of crystal distortion and domain structure on piezoelectric properties of BiFeO3 thin films
N. Okamoto
■Fabrication of µm-thick P (VDF-TrFE) Films and the Electrical Properties   Yuji Matsushita
■The growth of ASnO3 (A = Sr, Ba) epitaxial films by rf magnetron sputtering and the electrical properties     I.Kanagawa

2018 Piezo MEMS
-Jan,2018,Orlando, Florida,USA-
■Microscopic characterization of direct piezoelectric response T.Yoshimura
■Nonlinear Effect in Piezoelectric MEMS Vibration Energy Harvesters at Large Amplitude   M.Aramaki

Journal Papers 2018

●Flexible Electronics Toward Wearable Sensing
W. Gao, H. Ota, D. Kiriya, K. Takei, A. Javey
Acc. Chem. Res(2019)
https://pubs.acs.org/doi/10.1021/acs.accounts.8b00500

●Systematic Study of Photoluminescence Enhancement in Monolayer Molybdenum Disulfide by Acid Treatment
Daisuke Kiriya, Yuh Hijikata, Jenny Pirillo, Ryo Kitaura, Akihito Murai, Atsushi Ashida, Takeshi Yoshimura, Norifumi Fujimura
Langmuir, 34, 10234-10249 (2018)
https://pubs.acs.org/doi/pdfplus/10.1021/acs.langmuir.8b01425

●Fabrication and characterization of (Ba,La)SnO3 semiconducting epitaxial films on (111) and (001) SrTiO3 substrates
Kohei Miura, Daisuke Kiriya, Takeshi Yoshimura, Atsushi Ashida, and Norifumi Fujimura
Physica Status Solidi A,1700800,1-7(2018)
https://onlinelibrary.wiley.com/doi/epdf/10.1002/pssa.201700800

●Reaction of N,N’-dimethylformamide and divalent viologen molecule to generate an organic dopant for molybdenum disulfide
Akito Fukui, Kohei Miura, Hisashi Ichimiya, Akihiro Tsurusaki, Kento Kariya, Takeshi Yoshimura, Atsushi Ashida, Norifumi Fujimura, and Daisuke Kiriya
AIP Advances, 8, 055313, 1-7(2018)
https://aip.scitation.org/doi/full/10.1063/1.5029315

●Investigation of mechanical nonlinear effect in piezoelectric MEMS vibration energy harvesters
Masaaki Aramaki, Kyohei Izumi, Takeshi Yoshimura, Shuichi Murakami, Kazuo Satoh, Kensuke Kanda, and Norifumi Fujimura
Japanese Journal of Applied Physics Volume 57, 11S,11UD03,1-4 (2018)
http://iopscience.iop.org/article/10.7567/JJAP.57.11UD03/pdf

●Direct piezoelectric response in vinylidene fluoride–trifluoroethylene copolymer films
Yuji Matsushita, Izuru Kanagawa, Takeshi Yoshimura and Norifumi Fujimura
Japanese Journal of Applied Physics, Volume 57, Number 11S ,11UG01,1-4(2018)
http://iopscience.iop.org/article/10.7567/JJAP.57.11UG01

●The effect of crystal distortion and domain structure on piezoelectric properties of BiFeO3 thin films
Naoki Okamoto, Kento Kariya, Takeshi Yoshimura, and Norifumi Fujimura
Japanese Journal of Applied Physics Volume 57, 11S,11UF07,1-4 (2018)
http://iopscience.iop.org/article/10.7567/JJAP.57.11UF07

●Tuning Transition-Metal Dichalcogenide Field-Effect Transistors by Spontaneous Pattern Formation of
an Ultrathin Molecular Dopant Film
Hisashi Ichimiya, Masahiro Takinoue, Akito Fukui, Kohei Miura, Takeshi Yoshimura, Atsushi Ashida,
Norifumi Fujimura and Daisuke Kiriya
ACS Nano, 12, 10, 10123-10129(2018)
https://pubs.acs.org/doi/abs/10.1021/acsnano.8b04914

●Fabrication of Y Doped HfO2 Epitaxial Films Directly on (001)Si Substrate
Daiki KAMADA,Kenshi TAKADA,Takeshi YOSHIMURA,and Norifumi FUJIMURA
材料(Journal of the Society of Materials Science, Japan),Vol. 67,No. 9, pp. 844-848(2018)
https://www.jstage.jst.go.jp/article/jsms/67/9/67_844/_pdf

●Characterization of piezoelectric MEMS vibration energy harvesters using random vibration
Shuichi Murakami, Takeshi Yoshimura, Yusuke Kanaoka, Kazuki Tsuda, Kazuo Satoh, Kensuke Kanda, and Norifumi Fujimura
Japanese Journal of Applied Physics 57, 11UD10 (2018)
http://iopscience.iop.org/article/10.7567/JJAP.57.11UD10/meta

 

Academic book
●Chapter 11 Microenergy harvesting using BiFeO3 films
Takeshi Yoshimura
Nanoscale Ferroelectric-Multiferroic Materials for Energy Harvesting Applications,ELSEVIER(2018)

Journal Papers 2017

●Crystallographic polarity effect of ZnO on thin film growth of pentacene
Tatsuru Nakamura, Takahiro Nagata, Ryoma Hayakawa, Takeshi Yoshimura, Seungjun Oh,
Nobuya Hiroshiba, Toyohiro Chikyow, Norifumi Fujimura and Yutaka Wakayama
Japanese Journal of Applied Physics, Volume 56, Number 4S (2017)
http://iopscience.iop.org/article/10.7567/JJAP.56.04CJ03/meta

●Growth and ferroelectric properties of La and Al codoped BiFeO3 epitaxial films
Hirokazu Izumi,Takeshi Yoshimura,Norifumi Fujimura
Journal of Applied Physics 121, 174102 (2017)
http://aip.scitation.org/doi/10.1063/1.4982909

●Strain Dependent Electronic Structure and Band Offset Tuning at Heterointerfaces
of ASnO3 (A=Ca, Sr, and Ba) and SrTiO3
John D. Baniecki, Takashi Yamazaki, Dan Ricinschi, Quentin Van Overmeere,
Hiroyuki Aso, Yusuke Miyata, Hiroaki Yamada, Norifumi Fujimura, Ronald Maran,
Toshihisa Anazawa, Nagarajan Valanoor & Yoshihiko Imanaka
Scientific Reports 7,41725 (2017)
https://www.researchgate.net/publication/313732519

●Photoelectron spectroscopic study on monolayer pentacene thin film/ polar ZnO
single crystal hybrid interface
Takahiro Nagata, Tatsuru Nakamura, Ryoma Hayakawa, Takeshi Yoshimura,
Seungjun Oh, Nobuya Hiroshiba, Toyohiro Chikyow, Norifumi Fujimura,
andYutaka Wakayama
Applied Physics Express, 10, 025702 1-4(2017)
http://iopscience.iop.org/article/10.7567/APEX.10.025702

●Development of piezoelectric bistable energy harvester based on buckled beam with axially
constrained end condition for human motion
Ali M. Eltanany, Takeshi Yoshimura, Norifumi Fujimura, Mohamed R. Ebied and Mohamed G. S. Ali
Japanese Journal of Applied Physics, Volume 56, Number 10S (2017)
http://iopscience.iop.org/article/10.7567/JJAP.56.10PD02

●Origin of the photoinduced current of strongly correlated YMnO3 ferroelectric epitaxial films
Kohei Miura, Lejun Zhang, Daisuke Kiriya, Atsushi Ashida, Takeshi Yoshimura and Norifumi Fujimura
Japanese Journal of Applied Physics, Volume 56, Number 10S (2017)
https://doi.org/10.7567/JJAP.56.10PB08

●Ultrafast dynamics of coherent optical phonon correlated with the antiferromagnetic transition
in a hexagonal YMnO3 epitaxial film
Takayuki Hasegawa, Norifumi Fujimura, and Masaaki Nakayama
Appl. Phys. Lett. 111, 192901 (2017)
https://doi.org/10.1063/1.5003269

 

Academic book

●非鉛強誘電体薄膜を用いた圧電MEMS振動発電
Takeshi Yoshimura, Norifumi Fujimura
ケミカルエンジニヤリング, 2018(VOL.63 No.1)

International Conference 2017

2017 MRS Fall Meeting
-Nov.2017  Boston,USA-
■Origin of the photo-induced current of strongly correlated YMnO3 ferroelectric epitaxial films
Norifumi Fujimura

Power MEMS 2017
-Nov,2017 Kanazawa-
■Direct Piezoelectric Properties of BiFeO3 Epitaxial Films Grown by Combinatorial Sputtering
T.Yoshimura
■Investigation of Piezoelectric Energy Harvesting from Human Walking   R. Kakihara

IUMRS ICA 2017
Nov,2017 Taipei, Taiwan-
■Molecular Interaction and Assembly on 2D Materials      Daisuke Kiriya
■Molecular-doping in 2D materials toward local carrier control      H.Ichimiya

18th US-Japan conference
-Nov,2017 Santa Fe, New Mexico, USA –
■Investigation of Doman Wall Contributions on the Piezoelectric Properties of BiFeO3 films (Invited)
T.Yoshimura
■Direct measurement of electrocaloric temperature change     Yuji Matsushita

2nd Japan-Korea International Symposium on Cyborgnics: Integration between cell and electronics
-Sep.2017,Beppu-
■Molecular Chemistry on Nanoelectronic Materials     D. Kiriya

The 2017 IWPMA/12th EHW/ 1st AEHSM
-Sep,2017 Virginia,USA –
■Recent Progress of VEHs and Development of Piezoelectric Thin Films (Plenary talk)
Norifumi Fujimura

IUMRS-ICAM2017
-Aug.2017、Kyoto,Japan-
■Novel chemical vapor deposition process of oxide thin films using nonequilibrium plasma
generated near atmospheric pressure(Invited)    N . Fujimura

2017 Joint ISAF-IWATMD-PFM Conference
-May,2017,Atlanta,USA-
■Observation of Ferroelectric Domain Structure by Direct Piezoelectric Effect   Takeshi Yoshimura

The 30th IEEE International Conference on Micro Electro Mechanical Systems
-Jan 2017,Las Vegas,USA-
■High Efficiency Piezoelectric MEMS Vibrational Energy Harvesters Using (100) Oriented BiFeO3 Films
Masaaki Aramaki

Symposium on Surface Science and Nanotechnology -25th Anniversary of SSSJ Kansai
-Jan 2017 , Kyoto, Japan-
■Nanowire Growth on MoS2    Daisuke Kiriya

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