International Conferences


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


-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


International Conference 2019

Materials Research Meeting 2019
■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

-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
■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

International Conference 2018

Advanced Materials Congress
■Modify the Optoelectronic Properties of Transition Metal Dichalcogenides by Molecular Interaction
Daisuke Kiriya

2018 MRS Fall Meeting
■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
■Molecular Engineering on Transition Metal Dichalcogenides    D. Kiriya

IWPMA 2018
■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)
■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
■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
■Development of a Molecular Dopant toward Selective-area Carrier Modulation of 2D Materials
A. Fukui

IFAAP 2018
■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

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
■Investigation of Piezoelectric Energy Harvesting from Human Walking   R. Kakihara

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)
■Direct measurement of electrocaloric temperature change     Yuji Matsushita

2nd Japan-Korea International Symposium on Cyborgnics: Integration between cell and electronics
■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

■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
■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

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

-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

-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
■Piezoelectric generation using BiFeO(Invited)
T. Yoshimura

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

-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)

– 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

-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)

-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

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

-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
■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

-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

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

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

-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