ACHIEVEMENT

category

Journal Papers 2016

●General Thermal Texturization Process of MoS2 for Efficient Electrocatalytic
Hydrogen Evolution Reaction
D.Kiriya,P.Lobaccaro, H. Y. Y. Nyein, P. Taheri, M. Hettick, H. Shiraki, C. M. Sutter-Fella,
P. Zhao, W. Gao, R. Maboudian, J. W. Ager, A. Javey
Nano Letters, 16, 4047-4053 (2016)
http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.6b00569

●Superacid passivation of crystalline silicon surfaces
J.Bullock, D. Kiriya, N. Grant, A. A. Zacatzi, M. Hettick, T. Kho, P. Phang,
H. C. Sio, D. Yan, D. Macdonald, R. M. Wallace, A. Cuevas, A. Javey
ACS Applied Materials Interfaces, 8, 24205-24211 (2016)
http://pubs.acs.org/doi/abs/10.1021/acsami.6b07822

High Luminescence Efficiency in MoS2 Grown by Chemical Vapor Deposition
M.Amani, R. A. Burke, X. Ji, P. Zhao, D.-H. Lien, P. Taheri, G. H. Ahn,
D. Kiriya, J. W. Ager III, E.
ablonovitch, J. Kong, M. Dubey, A. Javey
ACS Nano. 10, 6535-6541 (2016)
http://pubs.acs.org/doi/abs/10.1021/acsnano.6b03443

High efficiency piezoelectric MEMS vibration energy harvesters using
(100) oriented BiFeO3 Films
M.Aramaki, K. Izumi, T. Yoshimura, S. Murakami, and N. Fujimura
Proc. of the 30th IEEE International Conference on Micro Electro Mechanical Systems, 829-832 (2016)

Control of native acceptor density in epitaxial Cu2O thin films grown by electrochemical deposition
Atsushi Ashida, Shunsuke Sato, Takeshi Yoshimura, Norifumi Fujimura,
Journal of Crystal Growth, in press
https://doi.org/10.1016/j.jcrysgro.2016.11.023

●Ferroelectric properties of (Pb,La)(Zr,Ti)O3 capacitors employing Al-doped ZnO top electrodes
prepared by pulsed laser deposition under different oxygen pressures
Y.Takada, N. Okamoto, T. Saito, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi and A. Kitajima
Japanese Journal of Applied Physics, 55, 06JB04(2016)
https://www.researchgate.net/publication/303595631

●Al: ZnO Top Electrodes Deposited with Various Oxygen Pressures for Ferroelectric
(Pb, La)(Zr,Ti)O3 Capacitors
Y.Takada, N. Okamoto, T. Saito, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi and A. Kitajima
Electronics Letters, 52, 230−232 (2016)
https://www.researchgate.net/publication/287801699

●Fabrication of Doped Pb(Zr,Ti)O3 Capacitors on Pt Substrates with Different Orientations
R.Tamano, T. Amano, Y. Takada, N. Okamoto, T. Saito, T. Yoshimura, N. Fujimura, K. Higuchi and A. Kitajima
Electronics Letters, 52 (16), 1399-1401 (2016)
https://www.researchgate.net/publication/303982232

●Evaluatioion of Deuterium ion Profile in (Pb,La)(Zr,Ti)O3 Capacitors Structures with Conductive Oxide Top Electrode by Time of Flight Secondary Ion Mass Spectrometry
Y. Takada, R. Tamano, N. Okamoto, T. Saito, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima
and R. Shishido
Proc. 2016 IEEE ISAF/ECAPD/PFM, 1−4 (2016).

●Comparative Study of Ferroelectric (K,Na)NbO3 Thin Films Pulsed Laser Deposition on Platinum Substrates with Different Orientation
R.Tamano, Y. Takada, N. Okamoto. T. Saito, K. Higuchi, A. Kitajima, T. Yoshimura, and N. Fujimura
Proc. 2016 IEEE ISAF/ECAPD/PFM, 1−4 (2016)
http://ieeexplore.ieee.org/document/7578063/

●Comparative Study of Hydrogen – and Deuterium – induced Degradation of Ferroelectric (Pb,La)(Zr,Ti)O3 Capacitors Using Time of Flight Secondary Ion Measurement
Y.Takada, N. Okamoto, T. Saito, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima, and R. Shishido
IEEE Trans. Ultrason. Ferroelectr. Freq. Control, 63, 1668-1673 (2016)
http://ieeexplore.ieee.org/document/7524024/

●Thickness dependence of piezoelectric properties of BiFeO3 films fabricated using rf magnetron sputtering system
Masaaki Aramaki, Kento Kariya, Takeshi Yoshimura, Shuichi Murakami, and Norifumi Fujimura
Japanese Journal of Applied Physics 55, 10TA16 (2016)
http://doi.org/10.7567/JJAP.55.10TA16

●Effects of (Bi1/2,Na1/2)TiO3 on the electrical properties of BiFeO3-based thin films
Jin Hong Choi, Takeshi Yoshimura, and Norifumi Fujimura
Japanese Journal of Applied Physics 55, 10TA17 (2016)
http://doi.org/10.7567/JJAP.55.10TA17

●Direct measurements of electrocaloric effect in ferroelectrics using thin-film thermocouples
Yuji Matsushita, Atsushi Nochida, Takeshi Yoshimura, and Norifumi Fujimura
Japanese Journal of Applied Physics 55, 10TB04 (2016)
http://doi.org/10.7567/JJAP.55.10TB04

●Large enhancement of positive magnetoresistance by Ce doping in Si epitaxial thin films
Yusuke Miyata, Kazuya Ueno, Yoshihiko Togawa, Takeshi Yoshimura, Atsushi Ashida, and Norifumi Fujimura
Applied Physics Letters 109, 112101 (2016)
http://dx.doi.org/10.1063/1.4962393

●Fabrication of (Ba,La)SnO3  Films on (111) SrTiO3  Substrate
Kohei MIURA,Ryo KASHIMOTO,Takeshi YOSHIMURA,Atsushi ASHIDA,Norifumi FUJIMURA
Journal of the Society of Materials Science, Japan Vol.65,No.9,pp638-641(2016)
https://www.jstage.jst.go.jp/article/jsms/65/9/65_638/_pdf

●Lowering the growth temperature of strongly-correlated YbFe2O4 thin films prepared by pulsed laser deposition
Ryo Kashimoto, Takeshi Yoshimura, Atsushi Ashida, Norifumi Fujimura
Thin Solid Films 614, 44-46 (2016)
http://dx.doi.org/10.1016/j.tsf.2016.04.044

●Low temperature formation of highly resistive ZnO films using nonequilibrium N2/O2 plasma generated near atmospheric pressure
Yukinori Nose, Takeshi Yoshimura, Atsushi Ashida, Tsuyoshi Uehara, Norifumi Fujimura
Thin Solid Films 616, 415-418 (2016)
http://dx.doi.org/10.1016/j.tsf.2016.09.009

●Novel chemical vapor deposition process of ZnO films using nonequilibrium N2 plasma
generated near atmospheric pressure with small amount of O2 below 1%
Yukinori Nose, Takeshi Yoshimura, Atsushi Ashida, Tsuyoshi Uehara, and Norifumi Fujimura
Journal of Applied Physics 119, 175302 (2016)
http://dx.doi.org/10.1063/1.4948326

●Low-voltage operation of Si-based ferroelectric field effect transistors using organic ferroelectrics, poly(vinylidene fluoride–trifluoroethylene), as a gate dielectric
Yusuke Miyata, Takeshi Yoshimura, Atsushi Ashida, and Norifumi Fujimura
Japanese Journal of Applied Physics 55, 04EE04 (2016)
http://doi.org/10.7567/JJAP.55.04EE04

●Reliability of the properties of (Pb,La)(Zr,Ti)O3 capacitors with non–noble metal oxide electrodes stored in an H2 atmosphere
Takada, N. Okamoto, T. Saito, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima, and R. Shishido
MRS Advances 1, 369−374 (2016)
https://www.researchgate.net/publication/295848348

 

Academic book

Novel Ferroelectric-Gate Field-Effect Thin Film Transistors (FeTFTs): Controlled Polarization-Type FeTFTs
Norifumi Fujimura, Takeshi Yoshimura
Topics in Applied Physics 131, Ferroelectric-Gate Field Effect Transistor Memories, 111-138(2016)

http://dx.doi.org/10.1007/978-94-024-0841-6_6

 

International Conference 2016

26th Annual Meeting of MRS-J
-December 2016,Yokohama Japan-
■Growth of HfO2-based thin films directly on (100)Si substrate  Kenshi Takada

2016 MRS FALL MEETING & Exhibit
■Fabrication and Electrical Properties for Ferroelectric Capacitors with Al-Doped ZnO Films on Sapphire Substrate Structure
T. Yoshimura, N. Fujimura

Pacific Rim Meeting (PRiME) 2016
-Oct 2016, Honolulu, USA-
■Texturization of MoS2 Surface to Enhance Catalytic Property of Hydrogen Evolution Reaction
Daisuke Kiriya

ADMETA PLUS 2016
-Oct 2016,Tokyo-
Pulsed laser deposited conductive oxide electrode on Al2O3 (0001) for (Pb,La)(Zr,Ti)O3 capacitor
T. Yoshimura, N. Fujimura

11th Korea-Japan Conference on Ferroelectrics(KJC-FE11)
-Aug 2016, Seoul, Korea-
■Novel Measurement method for ferroelectric domain structure using direct piezoelectric effect
Kento Kariya
■Synthesis and piezoelectric properties of BiFeO3-(Bi1/2Na1/2)TiO3 thin films  Jin Hong Choi
■Direct measurements of electrocaloric effect in ferroelectrics in AC electric field  Yuji Matsushita
■Dynamic analysis of piezoelectric energy harvesting from human Gate  Ryota Kakihara

2016 Joint IEEE ISAF/ECAPD/PFM
-August 2016,Darmstadt Germany-
■Comparative Study of Ferroelectric (K,Na)NbO3 Thin Films Pulsed Laser Deposition on Platinum Substrates with Different Orientation
T. Yoshimura , N. Fujimura
Evaluation of deuterium ion profile in (Pb,La)(Zr,Ti)O3 capacitors structures with conductive oxide top electrode by time of flight secondary ion mass spectrometry
T. Yoshimura, N. Fujimura

The 18th International Conference on Crystal Growth and Epitaxy
-Aug 2016, Nagoya, Japan-
■Control of native acceptor density in epitaxial Cu2O thin films grown by electrochemical process  Atsushi Ashida
■Fabrication and characterization of (Ba,La)SnO3 semiconductor films on (111)SrTiO3 substrate  Kohei Miura
■Rare earth ion doping in Ge deposited by molecular beam epitaxy                                          Yusuke Miyata

5th International Workshop on Piezoelectric MEMS
-MAY 2016, Grenoble, France-
■Enhancement of Piezoelectric Response of BiFeO3 Films by Domain Wall Contributions for
Vibration Energy Harvesting(Invited)   Takeshi Yoshimura

2016 E-MRS Spring Meeting
-May 2016, Lille France –
■Novel chemical vapor deposition process of oxide thin films using nonequilibrium plasma generated near atmospheric pressure (Invited)
N. Fujimura

International Symposium of Ferroelectric Materials Toward Energy Harvesting
-Feb.2016,Kyoto,Japan-
■Piezoelectric generation using BiFeO(Invited)
T. Yoshimura

Journal Papers 2015

●Interface energetics and atomic structure of epitaxial La1−xSrxCoO3 on Nb:SrTiO3
Quentin Van Overmeere,John D. Baniecki,Takashi Yamazaki,Dan Ricinschi,Hiroyuki Aso,Yusuke Miyata,Hiroaki Yamada,Norifumi Fujimura,Yuji Kataoka,Yoshihiko Imanaka
Appl. Phys. Lett. 106, 241602 (2015)
http://aip.scitation.org/doi/full/10.1063/1.4922880

●Effect of excess Pb on ferroelectric characteristics of conductive Al-dopect ZnO and Sn-doped In2O3 top electrodes in PbLaZrTiOx capacitors
Y. Takada, T. Tsuji, N. Okamoto, T. Saito, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima, and A. Oshima
International Journal of Materials Research, 106, 83-87 (2015).
http://www.hanser-elibrary.com/doi/abs/10.3139/146.111154

●Effect of Al-doped ZnO or Sn-doped In2O3 electrode on ferroelectric properties of (Pb,La)(Zr,Ti)O3 capacitors
Y.Takada, T. Tsuji, N. Okamoto, T. Saito, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima and H. Iwai
Japanese Journal of Applied Physics, 54, 05ED03 1-6 (2015).
http://iopscience.iop.org/article/10.7567/JJAP.54.05ED03/meta

●Enhancement of piezoelectric properties of BiFeO3 films for vibration energy harvesting
T.Yoshimura, K. Kariya, N. Fujimura, and S. Murakami
Proc. of the Seventeenth US-Japan Seminar on Dielectric and Piezoelectric Ceramics, C-P-15 (2015)

●Direct measurement of electrocaloric effect in barium titanate thin films
Y.Matsushita, T. Yoshimura and N. Fujimura Proc. of The Seventeenth US-Japan Seminar on Dielectric and Piezoelectric Ceramics, C-P-04 (2015).

●Piezoelectric MEMS vibrational energy harvester using BiFeO3 films
T.Yoshimura, S. Murakami, K. Kariya, and N. Fujimura
Proc. of the 32nd International Japan-Korea Seminar on Ceramic, PL-1 (2015).

●Direct measurement of the electrocaloric effect in ferroelectrics using thin film thermocouple Y.Matsushita, T. Yoshimura, and N. Fujimura
Proc. of the 32nd International Japan-Korea Seminar on Ceramic, EL-12 (2015).
http://iopscience.iop.org/article/10.7567/JJAP.55.10TB04/pdf

●Effect of Al-doped ZnO or Sn-doped In2O3 electrode on ferroelectric properties of (Pb,La)(Zr,Ti)O3 capacitors
Y.Takada, T. Tsuji, N. Okamoto, T. Saito, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima, and H. Iwai
Japanese Journal of Applied Physics 54, 05ED03 1-6 (2015).
http://iopscience.iop.org/article/10.7567/JJAP.54.05ED03/meta

●Hydrogen profile measurement of (Pb,La)(Zr,Ti)O3 capacitor with conductive electrode after hydrogen annealing
Y.Takada, N. Okamoto, T. Saito, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima, H. Iwai, and R. Shishido
Proc. 2015 IEEE ISAF/ISIF/PFM, 163−166 (2015).
http://ieeexplore.ieee.org/document/7172695/

●Growth and characterization of (1 − x)BiFeO3x(Bi0.5,K0.5)TiO3 thin films
Jin Hong Choi, Takeshi Yoshimura and Norifumi Fujimura
Japanese Journal of Applied Physics 54, 10NA14 (2015)
http://dx.doi.org/10.7567/JJAP.54.10NA14

●Theoretical analysis of linear and nonlinear piezoelectric vibrational energy harvesters for human walking
Ali M. Eltanany, Takeshi Yoshimura1, Norifumi Fujimura, Nour Z. Elsayed, Mohamed R. Ebied, and Mohamed G. S. Ali
Japanese Journal of Applied Physics 54, 10ND02 (2015)
http://dx.doi.org/10.7567/JJAP.54.10ND02

●Evaluation of the electronic states in highly Ce doped Si films grown by low temperature molecular beam epitaxy system
Yusuke Miyata, Yukinori Nose, Takeshi Yoshimura, Atsushi Ashida, Norifumi Fujimura
J. Crystal Growth 425.158-161(2015)
http://dx.doi.org/10.1016/j.jcrysgro.2015.03.013

●Effects of polarization of polar semiconductor on electrical properties of poly(vinylidene fluoride-trifluoroethylene)/ZnO heterostructures
H. Yamada, T. Yoshimura and N. Fujimura
Journal of Applied Physics 117, 234101 (2015)
http://dx.doi.org/10.1063/1.4922668

 

Academic Book

●Recent Design and Application of Energy Harvesting
Takeshi Yoshimura(Participation writing)
エレクトロニクスシリーズ,シーエムシー出版(2015).
https://www.cmcbooks.co.jp/products/detail.php?product_id=4965

International Conference 2015

The 32nd International Japan-Korea Seminar on Ceramic
-Nov. 2015,Nagaoka, Japan, –
■Piezoelectric MEMS Vibrational Energy Harvester Using BiFeO3 Films    T. Yoshimura(invited)
■Direct measurement of the electrocaloric effect in ferroelectrics using thin film thermocouple
Y. Matushita

17th US-Japan Seminar on Dielectric and Piezoelectric Ceramics
-Nov. 2015, Nagano Japan-
■Enhancement of Piezoelectric Properties of BiFeO3 Films for Vibration Energy Harvesting    T. Yoshimura
■Direct Measurement of Electrocaloric Effect in Barium Titanate Thin Films    Y. Matushita

IWGO2015
-Nov. 2015,Kyoto, Japan, –
■Chemical vapor deposition of β-Ga2O3 films using non-equilibrium N2/O2 plasma generated near atmospheric pressure  T. Kiguchi

Program in innovation management and entrepreneurship
-Brown University, Providence, USA, October, 2015-
■Education of technology-based entrepreneurship in Osaka prefecture university. (invited talk)
N.Fujimura

STAC-9 TOEO-9
– October 2015, Tsukuba Japan-
■Origin of photo-induced current for strongly correlated ferroelectric YMnO3 films  L. Zhang
■Low temperature Growth of YbFe2O4 electronic ferroelectric thin films with large optical absorption by using PLD method  R. Kashimoto

NAMBE 2015
-October 2015 Mayan Riviera, Nexico-
■Anomalous Magnetoresistance in Rare Earth, Ce, Doped Single Crystalline Si Epitaxial Films   Y. Miyata

SSDM2015
-September 2015, Sapporo, Japan-
■Chemical Vapor Deposition of Highly Resistive ZnO Films using Nonequilibrium N2/O2 Plasma Generated near Atmospheric Pressure  Y. Nose
■Si-based nonvolatile field effect transistor using low temperature process   Y. Miyata

EMN Cancun Meeting
-June 2015,Cancun Mexco-
■Switchable photo-induced current of strongly correlated ferroelectric thin films    Norifumi Fujimura(invited)

ISAF-ISIF-PFM 2015
-Biopolis, Syngapore, May, 2015-
■Electromechanical coupling of pizoelectric MEMS vibrational energy harvesters using BiFeO3 films.
T.Yoshimura, K. Kariya, S. Murakami, and N. Fujimura
■Simulation of vibration mode of multi-beam piezoelectric MEMS vibration energy harvesters.
S.Murakami, T. Yoshimura, K. Kariya, T. Nakajima, T. Nagataki, T. Nakade, K. Satoh, and N. Fujimura

The 2015 E-MRS Spring Meeting
-May 2015,  Lille France-
■Origin of the switchable photo-induced current in strongly correlated ferroelectrics, YMnO3 epitaxial films      Norifumi Fujimura
■Application of BiFeO3 films for MEMS vibration energy harvesters    Kento Kariya

Journal Papers 2014

●Output power of piezoelectric MEMS vibration energy harvesters under random oscillations
K Kariya, T Yoshimura, S Murakami and N Fujimura
Journal of Physics: Conference Series 557 (2014) 012101
http://dx.doi.org/10.1088/1742-6596/557/1/012101

●Piezoelectric properties of (100) orientated BiFeO3 thin films on LaNiO3
Kento Kariya, Takeshi Yoshimura, Shuichi Murakami, and Norifumi Fujimura
Japanese Journal of Applied Physics 53(2014) 08NB02
http://dx.doi.org/10.7567/JJAP.53.08NB02

●Enhancement of piezoelectric properties of (100)-orientated BiFeO3 films on (100)LaNiO3/Si
Kento Kariya, Takeshi Yoshimura, Shuichi Murakami, and Norifumi Fujimura
Japanese Journal of Applied Physics 53(2014)09PA14
http://dx.doi.org/10.7567/JJAP.53.09PA14

●Improved reliability properties of (Pb,La) (Zr,Ti)O3 ferroelectric capacitors by thin aluminium-doped zinc oxide buffer layer
Y.Takada, T.Tsuji,N. Okamoto,T. Saito ,K. Kondo,T.Yoshimura, N.Fujimura,  K.Higuchi, A.Kitajima
Electronics Letters Vol.50,Issue11(2014)799-801
http://dx.doi.org/10.1049/el.2014.0187

●Near-surface structure of polar ZnO surfaces prepared by pulsed laser deposition
T. Nakamura, T. Yoshimura, A. Ashida, N. Fujimura
Thin Solid Films, 559(May 2014)88–91
http://dx.doi.org/10.1016/j.tsf.2013.11.065

●Aluminum-doped zinc oxide electrode for robust (Pb,La)(Zr,Ti)O3 capacitors: effect of oxide insulator encapsulation and oxide buffer layer
Yoko Takada,Toru Tsuji,Naoki Okamoto,Takeyasu Saito,Kazuo Kondo,Takeshi Yoshimura,Norifumi Fujimura,Koji Higuchi,Akira Kitajima,Akihiro Oshima
Journal of Materials Science: Materials in Electronics 25(May 2014)2155-2161
http://dx.doi.org/10.1007/s10854-014-1853-y

●Correlation between the intra-atomic Mn3+ photoluminescence and antiferromagnetic transition in an YMnO3 epitaxial film
Masaaki Nakayama, Yoshiaki Furukawa, Kazuhiro Maeda, Takeshi Yoshimura, Hiroshi Uga, and Norifumi Fujimura
Applied Physics Express 7(Feb2014)023002
http://dx.doi.org/10.7567/APEX.7.023002

●Crystal structure and local piezoelectric properties of strain-controlled (001) BiFeO3 epitaxial thin films
K. Ujimoto, T. Yoshimura, K. Wakazono,A. Ashida,N. Fujimura
Thin Solid Films 550(Jan 2014)738-741
http://dx.doi.org/10.1016/j.tsf.2013.10.178

International Conference 2014

International Seminar on Functional Ferroelectric Films for Future Electronic Devices and Systems
-Nov 2014,Kyoto Japan-
■Fundamental Physics and the device application of strongly-correlated ferroelectrics
Norifumi Fujimura(invited)

Power MEMS2014
-Nov 2014,Awaji Japan-
■The output power of piezoelectric MEMS vibration energy harvesters under random oscillation
Kento Kariya

Piezo MEMS2014
-Oct 2014, Kobe Japan-
■Structure Modification of Piezoelectric MEMS Vibration Energy Harvesters using BiFeO3 thin films
Kento Kariya
■Electrical and Mechanical Properties of Piezoelectric MEMS Vibrational Energy harvesters using BiFeO3 films T. Yoshimura

18th International Conference on Molecular Beam Epitaxy (MBE 2014)
-Sep 2014 Flagstaff, Arizona, USA –
■Transport properties of highly Ce doped Si films grown by low-temperature molecular beam epitaxy
Yusuke Miyata

19th International Conference on Ternary and Multinary Compounds
-Sep 2014 Niigata,Japan-
■Electrical Properties of Cu2O Thin Films Prepared by Electrochemical Process  A. Ashida

IUMRS-ICA2014
-Aug 2014  Fukuoka-
■Piezoelectric vibrational energy harvesting using BiFeO3 films    Takeshi Yoshimura (Invited)

The 10th Japan-Korea Conference on Ferroelectrics
-Aug 2014 Hiroshima-
■Piezoelectric MEMS Vibrational Energy Harvester Using (100)BiFeO3/(100)LaNiO3 structure
Takeshi Yoshimura
■Electrical Characteristics of Non-volatile Silicon Thin Film Transistors Using Organic Ferroelectrics
Yusuke Miyata

23rd IEEE International Symposium on Applications of Ferroelectrics (ISAF) International Workshop on Acoustic Transduction Materials and Devices (IWATMD) Piezoresponse Force Microscopy Workshop (PFM)
-May 2014  Penn State,USA-
■Enhancement of Piezoelectric Properties of BiFeO3 Films for Vibration Energy Harvesting
Takeshi Yoshimura

International Conference 2013

PowerMEMS 2013
-Dec 2013 London,UK-
■Development of Piezoelectric MEMS Vibration Energy Harvester Using (100) Oriented BiFeO3 Ferroelectric Film    Syuichi Murakami, Takeshi Yoshimura

The 2nd International Conference on Advanced Electronics (ICAE2013)
-Nov 2013 South Korea-
■Switchable Photo-Induced Current of Ferroelectric YMnO3 Epitaxial Films
Norifumi Fujimura  (Invited)
■Orientation control of BiFeO3 thin films by using LaNiO3 for vibration energy harvester application
Kento Kariya
■Effect of the concentration of oxygen sources on the lattice constant of electrochemically grown Cu2O thin films   Syunsuke Sato

58th MMM Conference
-Nov 2013 Colorado USA-
■Anomalies at Neel Temperature in YMnO3 epitaxial films   Norifumi Fujimura

16th US-Japan Seminar on Dielectric and Piezoelectric Materials
-Nov2013 USA-
■Development of Piezoelectric MEMS Vibrational Energy Harvesters Using BiFeO3 Films
Takeshi Yoshimura
■Enhancement of pyroelectric properties of P(VDF/TrFE) thin films  on large thermal expansion substrates    Yoshiki Yach

2013 JSAP-MRS Joint Symposia
-Sep 2013 Kyoto-
■Photo-induced phenomena of strongly correlated ferroelectrics, YMnO3,YbFe2O4 and BiFeO3 thin films      Norifumi Fujimura (invited)
■ Orientation Control of BiFeO3 Films for Vibrational Energy Harvesting      Takeshi Yoshimura

2013 IEEE—UFFC joint symposia
-July 2013 Czech-
■Piezoelectric MEMS Vibrational Energy Harvester Using BiFeO3 Films    Takeshi Yoshimura

Collaborative Conference on Materials Research (CCMR) 2013
-Jun 2013 South Korea-
■Light-induced phenomena of strongly correlated ferroelectric thin films     Norifumi Fujimura(Invited)

The 2nd International GIGAKU Conference
-Jun.2013,Nagaoka,Japan-
■Rare earth ion doping to semiconductors by molecular beam epitaxy : Ce Doped Si
Y. Miyata(Invited)

The 8th International Conference on Silicon Epitaxy and Heterostructures (ICSI-8) and the 6th International Symposium on Control of Semiconductor Interfaces (ISCSI-VI)
-Jun.2013, Fukuoka,Japan-
■Switchable Photo-Induced Current of Strongly Correlated Ferroelectric YMnO3 Thin Films
Norifumi Fujimura

TOEO-8
-May.2013, Tokyo-
■Near-surface structure of polar ZnO surfaces prepared by pulsed laser deposition Tatsuru Nakamura
■Formation of ZnO Films by Nonequilibrium Atmospheric Pressure N2 Plasmawith Quite Small Amount of Additional O2 
Yukinori Nose

The 11th International Conference on Ferrites
Apr.2013, Okinawa,Japan-
■ Fabrication of electric ferroelectrics, YbFe2O4 epitaxial thin films and the photo-induced phenomena
Norifumi Fujimura
■ Control of carrier concentration of diluted magnetic semiconductor Si:Ce thin films using organic ferroelectric gate dielectrics Yusuke Miyata

ICACC13
-Jan 2013 Florida-
■Fabrication of Piezoelectric MEMS Vibration Energy Harvester with Low Reso nant Frequency
 Syuichi Murakami,Takeshi Yoshimura

Journal Papers 2013

●Near-surface structure of polar ZnO surfaces prepared by pulsed laser deposition
T.Nakamura, T. Yoshimura, A. Ashida, N. Fujimura
Thin Solid Films available online 20 Nov.2013.
http://www.sciencedirect.com/science/article/pii/S0040609013019184

●Crystal structure and local piezoelectric properties of strain-controlled (001) BiFeO3 epitaxial thin films
K.Ujimoto, T. Yoshimura, K. Wakazono, A. Ashida, N. Fujimura
Thin Solid Films, 550, 738-741 (2014).
http://www.sciencedirect.com/science/article/pii/S0040609013018117

●Correlation between the intra-atomic Mn3+ photoluminescence and antiferromagnetic transition in an YMnO3 epitaxial film
M.Nakayama, Y. Furukawa, K. Maeda, T. Yoshimura, H. Uga, N. Fujimura
Applied Physics Express, 7, 023002 (2014).
Spotlight paper.
https://www.researchgate.net/publication/274002743

●Aluminum-doped zinc oxide electrode for robust (Pb,La)(Zr,Ti)O3 capacitors: effect of oxide insulator encapsulation and oxide buffer layer
Yoko Takada, Toru Tsuji, Naoki Okamoto, Takeyasu Saito, Kazuo Kondo, Takeshi Yoshimura, Norifumi Fujimura, Koji Higuchi, Akira Kitajima, Akihiro Oshima
Journal of Materials Science: Materials in Electronics , 25, 2155-2161 (2014).
https://www.researchgate.net/publication/261409625

●Development of piezoelectric MEMS vibration energy harvester using (100) oriented BiFeO3 ferroelectric film
S Murakami, T Yoshimura, K Satoh, K Wakazono, K Kariya and N Fujimura
Journal of Physics:Conference Series 476(2013)012007
http://dx.doi.org/10.1088/1742-6596/476/1/012007

●Enhancement of Direct Piezoelectric Properties of Domain-Engineered(100)BiFeO3 Films
Takeshi Yshimura,Katsuya Ujimoto,Yusaku Kawahara,keisuke Wakazono,Kento Kariya,Norifumi Fujimura,Syuichi Murakami
Japanese Journal of Applied Physics, 52 (Sep2013)09KA03
http://dx.doi.org/10.7567/JJAP.52.09KA03

●High-concentration Rare Earth Ion Doping to Si Using Reconstructed Surface Structure
Yusuke MIYATA,Yoshitaka OKUYAMA and Norifumi FUJIMURA
Journal of smart processing.2(2013)219-223
http://dx.doi.org/10.7791/jspmee.2.219

●Comparative study of electrical properties of PbLaZrTiOx capacitors with Al-doped ZnO and ITO top electrodes
Y. Takada, T. Tsuji, N. Okamoto, T. Saito, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima, A. Oshima
2013 Joint IEEE International Symposium on Applications of Ferroelectric and Workshop on Piezoresponse Force Microscopy, ISAF/PFM 2013
6748710(July 2013) 360-362
http://dx.doi.org/10.1109/ISAF.2013.6748710

●Electrical properties of PbLaZrTiOx capacitors with conductive oxide buffer layer on Pt electrodes
T. Saito, Y. Takada, T. Tsuji, N. Okamoto, K. Kondo, T. Yoshimura, N. Fujimura, K. Higuchi, A. Kitajima, A. Oshima
2013 Joint IEEE International Symposium on Applications of Ferroelectric and Workshop on Piezoresponse Force Microscopy, ISAF/PFM 2013
6748734(July 2013)205-207
http://dx.doi.org/10.1109/ISAF.2013.6748734

●Fabrication and Electric Properties of Ferroelectric-Gate Thin Film Transistors with Nano-Channel
Yuhei Nomura ,Takeshi Yoshimura,Norifumi Fujimura
J.Vac.Soc.Jpn.56(Jun2013) 172-175
http://dx.doi.org/10.3131/jvsj2.56.172

●Piezoelectric Vibrational Energy Harvester Using Lead-Free Ferroelectric BiFeO3 Films
Takeshi Yoshimura,Shuichi Murakami,Keisuke Wakazono,Kento Kariya,Norifumi Fujimura
Appl. Phys. Express,6(May2013) 051501
http://dx.doi.org/10.7567/APEX.6.051501

●Effect of Target Surface Microstructure on Morphological and Electrical Properties of Pulsed-Laser-Deposited BiFeO3 Epitaxial Thin Films
Katsuya Ujimoto,Takeshi Yoshimura,Atsushi Ashida,Norifumi Fujimura
Japanese Journal of Applied Physics, 52(Apr 2013) 045803
http://dx.doi.org/10.7567/JJAP.52.045803

●Effects of La substitution for BiFeO3 epitaxial thin films
K.Wakazono,Y. Kawahara,K. Ujimoto,T. Yoshimura, N. Fujimura
Journal of the Korean Physical Society ,62(Apr 2013)1069-1072
http://dx.doi.org/10.3938/jkps.62.1069

●Effect of the annealing temperature of P(VDF/TrFE) thin films on their ferroelectric properties
Yoshiki Yachi,Takeshi Yoshimura,Norifumi Fujimura
Journal of the Korean Physical Society,62 (Apr 2013) 1065-1068
http://dx.doi.org/10.3938/jkps.62.1065

●Field Effect of Magnetic Semiconductor Si:Ce Thin Films Using Organic Ferroelectrics
Yusuke Miyata,Hiroshi Takata,Yoshitaka Okuyama,Takeshi Yoshimura,Norifumi Fujimura
J.Vac.Soc.Jpn.56(Apr 2013)136-138
http://dx.doi.org/10.3131/jvsj2.56.136

●Orientation Control of ZnO Films Deposited Using Nonequilibrium Atmospheric Pressure N2/O2 Plasma
Yukinori Nose,Tatsuru Nakamura,Takeshi Yoshimura,Atsushi Ashida,Tsuyoshi Uehara,Norifumi Fujimura
Japanese Journal of Applied Physics, 52(Jan 2013) 01AC03
http://dx.doi.org/10.7567/JJAP.52.01AC03

International Conference 2012

International Union of Materials Research Societies – International Conference on Electronic Materials 2012
-Kanagawa, Japan, September, 2012-
Direct piezoelectric properties of strain engineered BiFeO3 epitaxial films   K. Ujimoto
Characterization of ferroelectric MEMS vibration energy harvester    T. Yoshimura

International Workshop on Zinc Oxide and Related Materials
-NICE France Sepember 2012-
■ Effect of the polarity on the initial state of interface formation in organic semiconductor/ZnO heterostructures
T.Nakamura

IUMRS-ICEM2012
-Sep.2012, Yokohama,Japan-
■ Characterization of Ferroelectric MEMS Vibration Energy Harvester T. Yoshimura
■Direct piezoelectric properties of strain engineered BiFeO3 epitaxial films K.Ujimoto

European Materials Research Society 2012 Fall Meeting
-Warszawa, Poland, September, 2012-
■Nano-sized nucleus formation and growth of ZnO crystals by the electrochemical process A.Ashida

International Symposium on Application of Ferroelectrics
-ISAF2012 Aveiro Portugal Jul 2012-
■Growth Temperature and Thickness Dependences of Crystal and Micro Domain Structures of BiFeO3 Epitaxial Films 
K. Ujimoto

The 9th Japan-Korea Conference on Ferroelectrics
-KJC-FE09 Ulsan Korea Jly 2012-
■ Effects of La substitution for BiFeO3 epitaxial thin films K. Wakazono
■ The effect of crystallization process of P(VDF/TrFE) thin film on the ferroelectric properties Yoshiki Yachi

MRS Spring Meeting
-San Francisco USA Apr 2012-
■ Characterization of Direct Piezoelectric properties of BiFeO3 films for Vibration Energy Harvesting
T. Yoshimura
■ Effect of Ferroelectric Polarization on Electronic Transport Properties in Ferroelectric Gate Thin Film Transistor with ZnO Channel  H. Yamada
■ Investigation of Gas Sensing Characteristics of TiO2 Nanotube Channel Field Effect Transistor
M. Ishii

4th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials
-Nogoya,Japan March 2012-
■ Low temperature growth of ZnO films using atmospheric pressure N2/O2plasma Y. Nose

Journal Papers 2012

●Local pH control by electrolysis for ZnO epitaxial deposition on a Pt cathode
S.Yagi, Y. Kondo, Y. Satake, A. Ashida, N. Fujimura
Electrochimica Acta, 62, 348–353 (2012).
https://www.researchgate.net/publication/256696723

●Direct piezoelectric properties of (100) and (111) BiFeO3 epitaxial thin films
K.Ujimoto, T. Yoshimura, A. Ashida, N. Fujimura
Appl. Phys. Lett., 100, 102901 1-3 (2012).
http://aip.scitation.org/doi/10.1063/1.3692579

●Electrical properties of sol-gel derived PbLaZrTiOx capacitors with nonnoble metal oxide top electrodes
Yoko Takada,Toru Tsuji,Naoki Okamoto,Takeyasu Saito,K. Kondo,Takeshi Yoshimura,Norifumi Fujimura,Koji Higuchi,Akira Kitajima,andAkihiro Oshima
ECS Transactions,50(2012)43-48
http://dx.doi.org/doi:10.1149/05034.0043ecst

●Direct piezoelectric properties of (100) and (111) BiFeO3 epitaxial thin films
K. Ujimoto, T. Yoshimura, A. Ashida and N. Fujimura
Applied Physics Letters, 100(2012) 102901
http://dx.doi.org/10.1063/1.3692579

●Electronic transport in organic ferroelectric gate field-effect transistors with ZnO channel
H. Yamada, T. Yoshimura, N. Fujimura
Mater. Res.Soc. Symp. Proc., 1430 (2012)  mrss12-1430-e04-08
http://dx.doi.org/10.1557/opl.2012.900

●Low Temperature Growth of ZnO Thin Films by Non Equilibrium Atmospheric Pressure N2/O2 Plasma
and The Growth Morphology of the Films
Yukinori Nose,Takeshi Yoshimura,Atsushi Ashida,Tsuyoshi Uehara and Norifumi Fujimura
Journal of the Society of Materials Science, Japan,Vol.61,No.9,pp756-759(2012)
http://dx.doi.org/10.2472/jsms.61.756

●Electric Conduction of TiO2 Nanotube Field Effect Transistor Fabricated by Dielectrophoresis
Masayuki Ishii,Masahiro Terauchi,Takeshi Yoshimura,Tadachika Nakayama and Norifumi Fujimura
Journal of the Society of Materials Science, Japan,Vol.61,No.9,pp766-770(2012)
http://dx.doi.org/10.2472/jsms.61.766

●Growth temperature and thickness dependences of crystal and micro domain structures of BiFeO 3 epitaxial films
Katsuya Ujimoto, Takeshi Yoshimura, Norifumi Fujimura
Proceedings of 2012 21st IEEE Int. Symp. on Applications of Ferroelectrics held jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE PFM, ISAF/ECAPD/PFM 2012(2012)6297846
http://dx.doi.org/10.1109/ISAF.2012.6297846

●Control of Crystal Structure of BiFeO3 Epitaxial Thin Films by the Growth Condition and the Piezoelectric Properties
Yusaku Kawahara, Katsuya Ujimoto, Takeshi Yoshimura, Norifumi Fujimura
Japanese Journal of Applied Physics,51(2012)09LB04
http://dx.doi.org/10.1143/JJAP.51.09LB04

●Effect of Ferroelectric Polarization on Carrier Transport in Controlled Polarization-Type Ferroelectric Gate Field-Effect Transistors with Poly(vinylidene fluoride–tetrafluoroethylene)/ZnO Heterostructure
Hiroaki Yamada, Takeshi Yoshimura , Norifumi Fujimura
Japanese Journal of Applied Physics,51(2012) 11PB01
http://dx.doi.org/10.1143/JJAP.51.11PB01

●Investigation of Gas Sensing Characteristics of TiO2 Nanotube Field-Effect Transistor
Masayuki Ishii, Masahiro Terauchi, Takeshi Yoshimura, Tadachika Nakayama, Norifumi Fujimura
Japanese Journal of Applied Physics,51(2012)11PE10
http://dx.doi.org/10.1143/JJAP.51.11PE10

●Local pH control by electrolysis for ZnO epitaxial deposition on a Pt cathode
Shunsuke Yagi,Yusuke Kondo,Yuichi Satake,Atsushi Ashida,Norifumi Fujimura
Electrochimica Acta 62(Feb2012)348–353
http://dx.doi.org/10.1016/j.electacta.2011.12.059

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