研究業績
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- [Invited talk] Electro-Optic Effect in Ferroelectric Thin Films: From Classical Perovskites to Emerging Fluorites and Wurtzites
T. Yamada, S. Kondo, X. Yuan, K. Abe, K. Okamoto, H. Funakubo, L. Meng, and T. Nagasaki
2024 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium (IEEE UFFC-JS 2024), 8328, (Sep. 22-26, 2024, Taipei, Taiwan). - [Poster] Development of a-plane ZnMgO Electro-optic Thin-films for UV Optical Modulators
L. Meng, X. Yuan, T. Zhai, and T. Yamada
2024 International Conference on Solid State Devices and Materials (SSDM2024), PS-05-05, (Sep. 1-4, 2024, Himeji, Japan). - [Poster] Strain Control of (K,Na)NbO3 Films for the Enhanced Piezoelectric Property
N. Chujo, K. Kawade, T. Nagasaki, J. He, I. Kanno, and T. Yamada
14th Japan-Korea Conference on Ferroelectricity (JKC-FE14), P2-32, (Aug. 29-Sep. 1, 2024, Shiga, Japan). - [Oral] Extraordinarily Large Extrinsic Contribution Ratio to Piezo-response in Monoclinic (K,Na)NbO3 Epitaxial Films
X. Yuan, K. Okamoto, M. Kawano, M. Yoshino, T. Nagasaki, Y. Imai, O. Sakata, and T. Yamada
14th Japan-Korea Conference on Ferroelectricity (JKC-FE14), O-6, (Aug. 29-Sep. 1, 2024, Shiga, Japan). - [Oral] Pyrochlore Oxyfluoride Pb2(Ti1-αZrα)2O6-δF2δ as a Stable Capacitor Dielectric
H. Sato, M. Yoshino, T. Nagasaki, J. Yamaura, K. Moriyama, H. Sagayama, N. Ohashi, and T. Yamada
The International Conference on the Science and Technology for Advanced Ceramics (STAC) and Data Driven Materials Research for Electronics (D2MatE) 2024, OD05, (Feb. 29, 2024, Tsukuba, Japan). - [Keynote] Electro-optic Effect of Ferroelectric Thin Films: Strain Engineering and Exploration of Emerging Materials
T. Yamada, S. Kondo, X. Yuan, H. Funakubo, L. Meng, and T. Nagasaki
International Conference on Advanced Functional Materials and Devices 2024 (AFMD2024), KN17, (Feb. 26-29, 2024, Chennai, India).
2023
- [Poster] Synthesis of Pyrochlore Oxyfluoride Pb2(Ti1-αZrα)2O6-δF2δ and their Dielectric Properties
H. Sato, M. Yoshino, T. Nagasaki, J. Yamaura, K. Moriyama, H. Sagayama, N. Ohashi, and T. Yamada
The 13th Asian Meeting on Ferroelectrics jointly with the 13th Asian Meeting on Electroceramics (AMF-13 & AMEC-13), (Nov. 12-16, 2023, Macao, China). - [Oral] Strong Electro-optic Effect in Mg-doped ZnO Thin Films
T. Yamada, X. Yuan, and L. Meng
The IEEE International Symposium on Applications of Ferroelectrics (ISAF2023), 4251, (Jul. 23-27, 2023, Cleveland, USA). - [Poster] Exfoliation of Single c-domain Pb(Zr,Ti)O3 Films on CaF22(001) Substrates using Sacrificial Water-soluble Layers
K. Takahashi, M. Yoshino, T. Nagasaki, and T. Yamada
The IEEE International Symposium on Applications of Ferroelectrics (ISAF2023), 4253, (Jul. 23-27, 2023, Cleveland, USA). - [Poster] Extraordinarily Large Extrinsic Contribution to Piezoresponse in Monoclinic (K, Na)NbO3 Epitaxial Films
X. Yuan, K. Okamoto, M. Kawano, M. Yoshino, T. Nagasaki, Y. Imai, O. Sakata, and T. Yamada
The IEEE International Symposium on Applications of Ferroelectrics (ISAF2023), 4290, (Jul. 23-27, 2023, Cleveland, USA). - [Invited talk] Advance in Electro-optic Effect of Ferroelectric Thin Films: Strain Engineering of Classical Ferroelectrics and Exploration of Emerging Ferroelectrics
T. Yamada, S. Kondo, X. Yuan, H. Funakubo, L. Meng, and T. Nagasaki
The 15th International Meeting on Ferroelectricity (IMF2023), (Mar. 26-30, 2023, Tel Aviv, Israel).
2022
- [Oral] Extraordinarily Large Domain Switching Contribution in Epitaxial (K, Na)NbO3 Films
X. Yuan, K. Okamoto, M. Kawano, M. Yoshino, T. Nagasaki, Y. Imai, O. Sakata, and T. Yamada
The 14th Japan-China Symposium on Ferroelectric Materials and Their Applications (JCFMA14), F-7, (Dec. 8-9, 2022, Kanazawa, Japan). - [Poster] Time-dependence and its Origin for Extraordinarily Large Piezoelectric Response in Polarization-inclined Pb(Zr, Ti)O3 Nanorods
T. Yamada, K. Okamoto, M. Yoshino, T. Nagasaki, Y. Imai, and O. Sakata
2022 US-Japan Seminar on Dielectric and Piezoelectric Ceramics, D.P.4, (Nov. 13-16, 2022, Charleston, USA). - [Invited talk] Domain Structure Evolution in Tensile-strained (PbxSr1-x)TiO3 Thin Films below 50 nm Thickness
T. Yamada, Y. Ota, X. Yuan, D. Ichinose, Y. Ehara, T. Shimizu, M. Yoshino, H. Funakubo, and T. Nagasaki
15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15), 3-10, (Aug. 28-31, 2022, Kofu, Japan).
2021
- [Invited talk] Advancement of Electro-optic Effect in Ferroelectric Thin Films: Controlling Classical Ferroelectrics and Exploring Emerging Ferroelectrics
T. Yamada, S. Kondo, H. Funakubo, and T. Nagasaki
14th Pacific Rim Conference on Ceramic and Glass Technology including Glass & Optical Materials Division 2021 Annual Meeting (2021 PACRIM/GOMD Conference), PACRIM-265-2021, (Dec. 13-16, 2021, Vancouver, Canada -> Virtual). - [Oral] Electro-optic Properties in Ferroelectric HfO2-based Epitaxial Thin Films
S. Kondo, R. Shimura, T. Teranishi, A. Kishimoto, T. Nagasaki, H. Funakubo, and T. Yamada
The Material Research Meeting 2021 (MRM2021), B4-O1-03, (Dec. 13-16, 2021, Yokohama, Japan). - [Invited talk] Manipulation of Piezoelectric Response in Pb(Zr,Ti)O3 Artificial Superlattice Thin Films
T. Yamada, J. Song, Y. Ebihara, X. Yuan, M. Yoshino, and T. Nagasaki
The 13th China and Japan Symposium on Ferroelectric Materials and Their Applications (CJFMA13), I-4, (Oct. 15-18, 2021, Shenyang, China -> Hybrid). - [Oral] Evolution of the Domain Structure in Tensile-strained (PbxSr1-x)TiO3 Thin Films Engineered by Composition and Thickness
X. Yuan, Y. Ota, M. Yoshino, T. Nagasaki, Y. Ehara, T. Shimizu, H. Funakubo, and T. Yamada
The 13th China and Japan Symposium on Ferroelectric Materials and Their Applications (CJFMA13), O-7, (Oct. 15-18, 2021, Shenyang, China). - [Oral] Enhanced Piezoelectric Response in (111)-Pb(Zr,Ti)O3 Artificial Superlattice Thin Films
T. Yamada, J. Song, Y. Ebihara, T. Kiguchi, M. Yoshino, and T. Nagasaki
8th International Workshop on Piezoelectric MEMS, 1A04, (Jun. 7-9, 2021, Nara, Japan). - [Oral] Two-step Phase Transition Behavior in Tensile-strained (PbxSr1-x)TiO3 Thin Films below 50 nm Thickness
T. Yamada, Y. Ota, M. Yoshino, D. Ichinose, T. Shimizu, H. Funakubo, and T. Nagasaki
2021 ISAF-ISIF-PFM Joint Conference, 3620, (May 16-21, 2021, Sydney, Australia -> Virtual).
2020
- [Invited talk] Bottom-up Growth Design and Property Control for Dielectric Thin Films and Nanostructures
T. Yamada
Materials Science & Technology 2020 (MS&T20), (Nov. 2-6, 2020, Pittsburgh, USA -> Virtual). - [Oral] Piezoelectric Response Driven By Imperfect Charge Screening in Polarization-Inclined Pb(Zr0.35Ti0.65)O3 Nanorods
T. Yamada, K. Okamoto, M. Yoshino, T. Nagasaki, and O. Sakata
Joint Conference of the IEEE International Frequency Control Symposium & IEEE International Symposium on Applications of Ferroelectrics 2020 (IEEE IFCS-ISAF 2020), 4275, (Jul. 19-23, 2020, Keystone, USA -> Virtual).
2019
- [Poster] Mg-pressure-controlled Annealing for Precise Control of Mg Content and Thermoelectric Properties of Mg2Si-based Materials
D. Kato, K. Iwasaki, M. Yoshino, T. Yamada, T. Nagasaki
Materials Research Meeting 2019, F3-11-P04, (Dec. 10-14, 2019, Yokohama, Japan). - [Oral] Control of Mg Content and Thermoelectric Properties of Mg2-δ(Si1-ySny)1-xSbx via Mg-Pressure-Controlled Annealing
D. Kato, K. Iwasaki, M. Yoshino, T. Yamada, T. Nagasaki
2019 MRS Fall Meeting & Exhibit, EN14.06.02, (Dec. 1-6, 2019, Boston, USA). - [Poster] Influence of Composition and Thickness on Domain Structure in (PbxSr1-x)TiO3 Thin Films
Y. Ota, T. Yamada, M. Yoshino, T. Shimizu, H. Funakubo, and T. Nagasaki
The 5th International Conference on Advanced Electromaterials (ICAE 2019), 02-3293, (Nov. 5-8, 2019, Jeju, Korea). - [Invited talk] Manipulation of Domain Structure and Piezoelectric Response in Ferroelectric Nano-rods with Charge Screening Strategy
T. Yamada, K. Okamoto, D. Ito O. Sakata, M. Yoshino, and T. Nagasaki
The 5th International Conference on Advanced Electromaterials (ICAE 2019), 16-0717, (Nov. 5-8, 2019, Jeju, Korea). - [Poster] Enhanced Piezoelectric Response by Field-induced Phase Transition in (111)-tetragonal Pb(Zr, Ti)O3 Nanorods
T. Yamada, K. Okamoto, O. Sakata, M. Yoshino, and T. Nagasaki
The 19th US-Japan Seminar on Dielectric and Piezoelectric Ceramics, A-P-04, (Nov. 3-6, 2019, Tsukuba, Japan). - [Oral] AC Field Dependence of Electro-optic Property in Epitaxial Pb(Zr, Ti)O3 Thin Films
S. Kondo, T. Yamada, M. Yoshino, and T. Nagasaki
The 13th Pacific Rim Conference of Ceramic Societies (PACRIM13), 30-A1-S07-31, (Oct. 27-Nov. 1, 2019, Okinawa, Japan). - [Poster] Size Dependence of Piezoelectric Response in (111)-oriented Tetragonal Pb(Zr, Ti)O3 Nanorods
K. Okamoto, T. Yamada, O. Sakata, M. Yoshino, and T. Nagasaki
The 13th Pacific Rim Conference of Ceramic Societies (PACRIM13), 28-P-S07-10, (Oct. 27-Nov. 1, 2019, Okinawa, Japan). - [Invited talk] Charge Screening Strategy for Manipulating Domains and Piezoelectric Response in Ferroelectric Nano-rods
T. Yamada, K. Okamoto, D. Ito, O. Sakata, M. Yoshino, and T. Nagasaki
The 2019 Asia-Pacific Workshop on Piezoresponse Force Microscopy and Nanoscale Electromechanics of Functional Materials and Electrochemical Systems (Asia-Pacific PFM 2019), (Aug. 11-14, 2019, Seoul, Korea). - [Poster] Study on Output Power of Nanogenerators with Tetragonal Pb(Zr,Ti)O3 Nanorods for Piezoelectric Energy Harvesting
J. Song, T. Yamada, M. Yoshino, and T. Nagasaki
2019 ISAF-ICE-FEM-IWPM-PFM Joint Conference - f2cπ2, TuPOiiPosters.22, (Jul. 14-19, 2019, Lausanne, Switzerland). - [Oral] Enhanced Piezoelectric Response in Size-controlled (111)-epitaxial Tetragonal Pb(Zr0.35Ti0.65)O3 Nanorods
T. Yamada, K. Okamoto, O. Sakata, M. Yoshino, and T. Nagasaki
2019 ISAF-ICE-FEM-IWPM-PFM Joint Conference - f2cπ2, MoORi4A.2, (Jul. 14-19, 2019, Lausanne, Switzerland).
2018
- [Oral] Charge Screening-induced Large Piezoelectric Response in Pb(Zr,Ti)O3 Artificial Superlattice Films
T. Yamada, Y. Ebihara, O. Sakata, T. Kiguchi, H. Morioka, M. Yoshino and T. Nagasaki
The 10th China-Japan Symposium on Ferroelectric Materials and Their Applications (JCFMA10), TF-08, (Sep. 20-23, 2018, Inuyama, Japan). - [Poster] Theoretical Investigation of Output Voltage of Piezoelectric Nanogenerators with Aligned Nanorods
J. Song, T. Yamada, M. Yoshino, and T. Nagasaki
The 10th China-Japan Symposium on Ferroelectric Materials and Their Applications (JCFMA10), PO-14, (Sep. 20-23, 2018, Inuyama, Japan). - [Poster] Temperature and Strain Dependences of Electro-optic Effect in c-domain (Ba, Sr)TiO3 Thin Films Fabricated by Pulsed Laser Deposition
S. Kondo, T. Yamada, M. Yoshino, and T. Nagasaki
The 10th China-Japan Symposium on Ferroelectric Materials and Their Applications (JCFMA10), PO-11, (Sep. 20-23, 2018, Inuyama, Japan). - [Poster] Phase Transition Induced by Applied Electric Field in (001) and (111)-epitaxial (K0.5Na0.5)NbO3 Films
M. Kawano, T. Yamada, O. Sakata, Y. Imai, M. Yoshino, and T. Nagasaki
The 10th China-Japan Symposium on Ferroelectric Materials and Their Applications (JCFMA10), PO-03, (Sep. 20-23, 2018, Inuyama, Japan). - [Poster] Control of Mg Non-stoichiometry δ in Mg2±δSi1-xSbx and its Effect on Thermoelectric Properties
D. Kato, K. Iwasaki, M. Yoshino, T. Yamada, and T. Nagasai
The 37th International Conference on Thermoelectrics (ICT2018), P112, (Jul. 1-5, 2018, Caen, France). - [Poster] Bottom-up Growth of Pb(Zr,Ti)O3 Nanorods by Pulsed Laser Deposition at Elevated Oxygen Pressure
K. Okamoto, T. Yamada, J. Yasumoto, K. Nakamura, M. Yoshino, and T. Nagasaki
The 2018 ISAF-FMA-AMF-AMEC-PFM (IFAAP) Joint Conference, 29pm-P046A, (May 27-Jun. 1, 2018, Hiroshima, Japan). - [Poster] Experimental Study of Effect of Strain on Electro-Optic Effect in Epitaxial (Ba, Sr)TiO3 Thin Films
S. Kondo, T. Yamada, A. K. Tagantsev, N. Setter, M. Yoshino, and T. Nagasaki
The 2018 ISAF-FMA-AMF-AMEC-PFM (IFAAP) Joint Conference, 28pm-P089A, (May 27-Jun. 1, 2018, Hiroshima, Japan). - [Poster] Domain Switching by Applied Electric Field in (001) and (111)-epitaxial (K0.5Na0.5)NbO3 Films
M. Kawano, T. Yamada, O. Sakata, Y. Imai, S. Matsuo, M. Yoshino, and T. Nagasaki
The 2018 ISAF-FMA-AMF-AMEC-PFM (IFAAP) Joint Conference, 28pm-P072A, (May 27-Jun. 1, 2018, Hiroshima, Japan). - [Invited talk] Charge Screening Strategy for Controlling Domain Structure and Piezoelectric Property in Ferroelectric Nano-Rods
T. Yamada, D. Ito, T. Sluka, O. Sakata, H. Funakubo, T. Namazu, M. Yoshino, N. Setter, and T. Nagasaki
The 2018 ISAF-FMA-AMF-AMEC-PFM (IFAAP) Joint Conference, 28am-A03, (May 27-Jun. 1, 2018, Hiroshima, Japan). - [Invited talk] Charge Screening Strategy for Controlling Domain Structure in Nano-scale Ferroelectric Systems
T. Yamada, D. Ito, T. Sluka, O. Sakata, H. Funakubo, T. Namazu, M. Yoshino, N. Setter, and T. Nagasaki
The 14th Russia/CIS/Baltic/Japan Symposia on Ferroelectricity (RCBJSF 2018), (May 14-18, 2018, St. Petersburg, Russia).
2017
- [Invited talk] Manipulation of Growth and Structure Toward Realization of Low-K Tunable Dielectric Thin Films
T. Yamada, A. Yabuuchi, T. Nagasaki, and N. Setter
The 6th International Symposium on Integrated Functionalities (ISIF-2017), IT G-2, (Dec. 10-13, 2017, New Delhi, India). - [Poster] Influence of Strain on Electro-optic Effect in c-domain (Ba,Sr)TiO3 Thin Films
S. Kondo, T. Yamada, A. K. Tagantsev, N. Setter, M. Yoshino, and T. Nagasaki
The 18th US-Japan Seminar on Dielectric and Piezoelectric Materials, F15, (Nov. 6-8, 2017, Santa Fe, USA). - [Poster] Domain Pattern Control in Pb(Zr,Ti)O3 Nanorods via Charge Screening Strategy
T. Yamada, D. Ito, T. Sluka, O. Sakata, H. Funakubo, T. Namazu, M. Yoshino, T. Nagasaki, and N. Setter
The 18th US-Japan Seminar on Dielectric and Piezoelectric Materials, E14, (Nov. 6-8, 2017, Santa Fe, USA). - [Poster] Crystallographic Orientation Dependence of Sputtering Yield of FCC Metals Determined using Polycrystalline Targets
H. Hirai, T. Nagasaki, M. Yoshino, and T. Yamada
The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017), D1-P28-008, (Aug. 27-Sep. 1, 2017, Kyoto, Japan). - [Invited talk] Charge Screening-Driven Large Piezoelectric Response in Pb(Zr,Ti)O3 Artificial Superlattice Thin Films
T. Yamada, Y. Ebihara, O. Sakata, T. Kiguchi, H. Morioka, M. Yoshino and T. Nagasaki
2017 International Forum on Functional Materials (IFFM 2017), TuB1-1, (Jun. 27-29, 2017, Jeju, Korea). - [Oral] Domain Formation in Pb(Zr,Ti)O3 Nanorods driven by Depolarizing Field
T. Yamada, D. Ito, T. Sluka, N. Setter, O. Sakata, T. Namazu, H. Funakubo, M. Yoshino, and T. Nagasaki
The 8th International Conference on Electroceramics (ICE2017), 30-1-26or, (May 28-31, 2017, Nagoya, Japan). - [Poster] Indirect Measurements of Electrocaloric Effect in (001) (Ba, Sr)TiO3 Thin Films by Positive-up-negative-down Method
S. Matsuo, T. Yamada, T. Kamo, H. Funakubo, M. Yoshino, and T. Nagasaki
The 8th International Conference on Electroceramics (ICE2017), 29-W-20po, (May 28-31, 2017, Nagoya, Japan). - [Poster] Theoretical Investigation of Influence of Strain on Electro-optic Effect in Ferroelectric Thin Films
S. Kondo, T. Yamada, A. K. Tagantsev, N. Setter, M. Yoshino, and T. Nagasaki
The 8th International Conference on Electroceramics (ICE2017), 29-W-18po, (May 28-31, 2017, Nagoya, Japan). - [Poster] Nonlinear Electric Field Dependence of Electrocaloric Effect in (001)-epitaxial (Ba,Sr)TiO3 Thin Films
S. Matsuo, T. Yamada, T. Kamo, H. Funakubo, M. Yoshino, and T. Nagasaki
2017 Joint IEEE International Symposium on the Applications of Ferroelectrics, International Workshop on Acoustic Transduction Materials and Devices Workshop on Piezoresponse Force Microscopy (2017 Joint IEEE ISAF-IWATMD-PFM), I.27, (May 7-11, 2017, Atlanta, USA). - [Oral] Manipulation of Domain Structure in {100} Tetragonal Pb(Zr, Ti)O3 Nanorods by Charge Screening
T. Yamada, D. Ito, T. Sluka, N. Setter, O. Sakata, T. Namazu, H. Funakubo, M. Yoshino, and T. Nagasaki
2017 Joint IEEE International Symposium on the Applications of Ferroelectrics, International Workshop on Acoustic Transduction Materials and Devices Workshop on Piezoresponse Force Microscopy (2017 Joint IEEE ISAF-IWATMD-PFM), (May 7-11, 2017, Atlanta, USA). - [Seminar] Piezoelectric Nano-structures for Energy Harvesters
T. Yamada
ETH-IEF Seminar, (Mar. 20, 2017, Zurich, Switzerland).
2016
- [Invited talk] Domain Pattern Control in Pb(Zr,Ti)O3 Nanorods by Charge Screening
T. Yamada, D. Ito, T. Sluka, N. Setter, O. Sakata, T. Namazu, H. Funakubo, M. Yoshino, and T. Nagasaki
The 10th Asian Meeting on Electroceramics-2016 (AMEC-2016), F03, (Dec. 4-7, 2016, Taipei, Taiwan). - [Poster] Structural and Piezoelectric Properties in (111) Tetragonal/Rhombohedral Pb(Zr,Ti)O3 Artificial Superlattice Thin Films
Y. Ebihara, T. Yamada, O. Sakata, T. Kiguchi, H. Morioka, T. Shimizu, H. Funakubo, T. J. Konno, M. Yoshino, and T. Nagasaki
The 10th Asian Meeting on Electroceramics-2016 (AMEC-2016), P2F17, (Dec. 4-7, 2016, Taipei, Taiwan). - [Keynote] Seeking of Unique Properties in Nano-scale Ferroelectrics by Growth Manipulation
T. Yamada
Discussion Workshop: Prospects and Challenges in Materials -> Science -> Engineering -> Society, (Sep. 27-29, 2016, Villars, Switzerland). - [Invited talk] Manipulation of Domain Structure in Pb(Zr,Ti)O3 Nanorods by Charge Screening
T. Yamada, D. Ito, O. Sakata, H. Funakubo, T. Namazu, M. Yoshino, and T. Nagasaki
11th Korea-Japan Conference on Ferroelectrics (KJC-FE11), I-13, (Aug. 8-10, 2016, Seoul, Korea). - [Poster] Preparation and Thermal Stability Evaluation of Sb-doped Mg2Si with High Carrier Concentration
D. Kato, K. Iwasaki, M. Yoshino, T. Yamada, and T. Nagasai
The 35th International Conference on Thermoelectrics (ICT 2016), P071, (May 29-Jun. 2, 2016, Wuhan, China).
2015
- [Invited talk] Domain Structure and Piezoelectric Response of Self-assembled Tetragonal Pb(Zr,Ti)O3 Nanorods
T. Yamada, D. Ito, O. Sakata, T. Kiguchi, T. Shiraishi, T. Shimizu, M. Yoshino, H. Funakubo, and T. Nagasaki
The International Chemical Congress of Pacific Basin Societies (Pacifichem-2015), (Dec. 15-20, 2015, Honolulu, USA). - [Poster] Modeling of Electro-optics Including Strain Effects in Ferroelectric Thin Films
S. Kondo, A. K. Tagantsev, N. Setter, and T. Yamada
EPFL-LC Ferroelectrics Workshop 2015, (Dec. 13-15, 2015, Leysin, Switzerland). - [Seminar] One-dimensional Ferroelectric Nanostructure: Attempt at the Self-assembled Growth and Manipulation of the Domain Structure
T. Yamada
EPFL-LC Seminar, (Dec. 9, 2015, Lausanne, Switzerland). - [Poster] High Carrier Concentration in Sb-Doped Mg2Si Prepared by Ball-Milling and Spark Plasma Sintering
D. Kato, K. Iwasaki, M. Yoshino, T. Yamada, and T. Nagasaki
2015 MRS fall meeting, (Nov. 29-Dec. 4, 2015, Boston, USA). - [Poster] Size Dependence of Domain Structure in Tetragonal Pb(Zr,Ti)O3 Nanorods
T. Yamada, D. Ito, O. Sakata, T. Kiguchi, T. Shiraishi, T. Shimizu, H. Funakubo, M. Yoshino, and T. Nagasaki
The 17th US-Japan Seminar on Dielectric and Piezoelectric Ceramics, (Nov. 15-18, 2015, Matsumoto, Japan). - [Poster] Fabrication and Property Investigation of Metal Hydride Blocks for Neutron Shielding in a Fusion Reactor
T. Tanaka, H. Muta, M. Yoshino, Y. Hishinuma, T. Muroga, and A. Sagara
25th International Toki Conference (ITC-25), P1-56, (Nov. 3-6, 2015, Toki, Japan). - [Invited talk] Domain Structure and Piezoelectric Response in One-dimensional PZT Nanostructure
T. Yamada, D. Ito, O. Sakata, H. Funakubo, M. Yoshino, and T. Nagasaki
14th International Union of Materials Research Societies-International Conference on Advanced Materials (IUMRS-ICAM 2015), (Oct. 25-29, 2015, Jeju, Korea). - [Invited talk] Domain Structure and Piezoelectric Response in Epitaxial PZT 1D-Nanorods and 2D-Thin Films
T. Yamada, D. Ito, O. Sakata, J. Yasumoto, T. Shiraishi, T. Shimizu, M. Yoshino, H. Funakubo, and T. Nagasaki
The 5th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2015), (Jun. 16-19, 2015, Niigata, Japan). - [Poster] Fabrication of Tetragonal Pb(Zr,Ti)O3 Nanorods by Focused Ion Beam and Characterization of the Domain Structure
D. Ito, T. Yamada, O. Sakata, J. Kuroishi, T. Namazu, T. Shiraishi, T. Shimizu, H. Funakubo, M. Yoshino, and T. Nagasaki
2015 Joint IEEE International Symposium on Applications of Ferroelectric, International Symposium on Integrated Functionalities, and Piezoresponse Force Microscopy Workshop (IEEE ISAF-ISIF-PFM 2015), (May 24-27, 2015, Biopolis, Singapore). - [Oral] Piezoelectric Response in Epitaxial PZT 1D-Nanorods and 2D-Thin Films
T. Yamada, J. Yasumoto, D. Ito, O. Sakata, T. Kiguchi, H. Tanaka, Y. Ehara, S. Yasui, T. Oikawa, H. Funakubo, M. Yoshino, and T. Nagasaki
2015 Joint IEEE International Symposium on Applications of Ferroelectric, International Symposium on Integrated Functionalities, and Piezoresponse Force Microscopy Workshop (IEEE ISAF-ISIF-PFM 2015), (May 24-27, 2015, Biopolis, Singapore).
2014
- [Invited talk] Ferroelectric and Dielectric Thin Films for RF Tunable Devices
T. Yamada
International Seminar on Functional Ferroelectric Films for Future Electronic Devices and Systems, (Nov. 19, 2014, Kyoto, Japan). - [Poster] In-situ Analysis of Strain Influence on Dielectric Constant of (Ba, Sr)TiO3 Films with Different Orientations
Y. Tanaka, T. Yamada, T. Morikaku, T. Namazu, J. Kimura, H. Funakubo, M. Yoshino, and T. Nagasaki
The 6th China-Japan Symposium on Ferroelectric Materials and Their Applications, (Nov. 9-12, 2014, Kawaguchiko-cho, Japan). - [Poster] Ab-initio Study on Face Azimuth Dependency of Surface Energy and Structure in Ferroelectric PbTiO3
Y. Takagi, T. Yamada, M. Yoshino, and T. Nagasaki
The 9th Asian Meeting on Ferroelectricity and the 9th Asian Meeting on Electroceramics (AMF-AMEC-2014), (Oct. 26-30, 2014, Shanghai, China). - [Invited talk] Self-assembled Epitaxial Ferroelectric Nanorods for Large Electromechanical Response
T. Yamada
2014 EMN Open Access Week Meeting, (Sep. 22-25, 2014, Chengdu, China). - [Invited talk] Orientation Dependence of Piezoelectric Response in Epitaxially Grown 1D-Nanorods and 2D-Thin Films
T. Yamada, J. Yasumoto, K. Nakamura, H. Tanaka, O. Sakata, Y. Ehara, S. Yasui, T. Oikawa, M. Yoshino, T. Nagasaki, and H. Funakubo
International Conference Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials (PFM-2014), (Jul. 14-17, 2014, Ekaterinburg, Russia). - [Invited talk] Piezoelectric Nanostructure for Future Small Energy Conversion Devices: Attempt at Growth and Characterization
T. Yamada, M. Yoshino, T. Nagasaki, H. Funakubo, O. Sakata, and T. Kiguchi
BIT’s 3rd Annual World Congress and EXPO of Advanced Materials-2014, (Jun. 6-9, 2014, Chongqing, China). - [Oral] Phase Transitions Induced by Two Order Parameters in In-plane Compressed SrTiO3 Thin Films
T. Yamada, B. Wylie-van Eerd, O. Sakata, A. K. Tagantsev, H. Morioka, Y. Ehara, S. Yasui, H. Funakubo, T. Nagasaki, and J. Trodahl
2014 Joint IEEE International Symposium on the Applications of Ferroelectric, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM), (May 12-16, 2014, State College, USA).
2013
- [Oral] Structure-driven Large Piezoelectric Response in Epitaxially-grown Pb(Zr,Ti)O3 Nanorod Array
T. Yamada, J. Yasumoto, K. Nakamura, H. Tanaka, O. Sakata, Y. Ehara, S. Yasui, T. Oikawa, H. Funakubo, M. Yoshino, and T. Nagasaki
2013 MRS Fall Meeting, SS21.05, (Dec. 1-6, 2013, Boston, USA). - [Oral] Growth and Size Control of Bi4Ti3O12 Nanowalls and Their Piezoelectric Property
T. Yamada, T. Shibata, K. Ishii, M. Yoshino, J. Kimura, H. Funakubo, and T. Nagasaki
2013 Joint UFFC, EFTF and PFM Symposium, ISAF2-H1-1, (Jul. 21-25, 2013, Prague, Czech Republic). - [Poster] Orientation Dependence of Clamping Effect in Tetragonal Pb(Zr0.35Ti0.65)O3 Thin Films
J. Yasumoto, T. Yamada, O. Sakata, Y. Imai, T. Kiguchi, T. J. Konno, Y. Ehara, T. Shiraishi, T. Oikawa, H. Funakubo, M. Yoshino, and T. Nagasaki
The 7th International Conference on the Science and Technology for Advance Ceramics (STAC-7), PP-063, (Jun. 16-21, 2013, Yokohama, Japan).
2012
- [Invited talk] 1D-ferroelectric Structure Leading to Large Piezoelectric Responses: Attempts at the Growth and Characterizations
T. Yamada, K. Nakamura, H. Tanaka, O. Sakata, M. Yoshino, T. Nagasaki, and H. Funakubo
The 8th Asian Meeting on Ferroelectrics (AMF-8), INV-44, (Dec. 9-14, 2012, Pattaya, Thailand). - [Invited talk] Converse Piezoelectric Response of Pb(Zr,Ti)O3 Nanorod-array Grown by Pulsed Laser Deposition at Elevated Oxygen Pressure
T. Yamada, K. Nakamura, H. Tanaka, H. Funakubo, O. Sakata, M. Yoshino, and T. Nagasaki
XXI International Materials Research Congress (IMRC) 2012, S7E-O028, (Aug. 12-17, 2012, Cancun, Mexico). - [Invited talk] Large Piezoelectricity in Epitaxial Pb(Zr,Ti)O3 Nanorods Grown by PLD at Elevated Oxygen Pressure
T. Yamada, K. Nakamura, H. Tanaka, H. Funakubo, Y. Kodama, T. Kiguchi, J. Konnno, M. Yoshino, and T. Nagasaki
The 8th Asian Meeting on Electroceramics 2012 (AMEC-8), I011, (Jul. 1-5, 2012, Penang, Malaysia).
2011
- [Poster] Piezoelectricity of Nano-structured Lead-Zirconate-Titanate
T. Yamada, H. Tanaka, H. Funakubo, K. Nakamura, S. Watanabe, M. Yoshino, and T. Nagasaki
International Symposium on EcoTopia Science 2011 (ISETS'11), 10P01-18, (Dec. 9-11, 2011, Nagoya, Japan). - [Poster] Experimental and Theoretical Analysis of Optical Properties for Pr3+-doped LaScO3
S. Watanabe, M. Yoshino, T. Yamada, T. Nagasaki, and K. Ogasawara
International Symposium on EcoTopia Science 2011 (ISETS'11), 10P01-17, (Dec. 9-11, 2011, Nagoya, Japan). - [Poster] Study of Enhancement of Self-diffusion in Metals under Hydrogen Atmosphere using Isotope Heterostructure Prepared by Ion Beam Deposition
T. Nagasaki, R. Ozeki, M. Ikenoya, K. Shinoda, T. Yamada, M. Yoshino, S. Watanabe
International Symposium on EcoTopia Science 2011 (ISETS'11), 10P01-16, (Dec. 9-11, 2011, Nagoya, Japan). - [Poster] Structural and Piezoelectric Properties of Pb(Zr,Ti)O3 Nanorods Grown by PLD
T. Yamada, H. Tanaka, H. Funakubo, Y. Kodama, T. Kiguchi, K. Nakamura, M. Yoshino, and T. Nagasaki
15th US-Japan Seminar on Dielectric and Piezoelectric Ceramics, A-P-11, (Nov. 6-9, 2011, Kagoshima, Japan). - [Invited talk] An Approach for Self-Assembled Epitaxial Pb(Zr,Ti)O3 Nanorod-Array toward Enhanced Piezoelectric Responses
T. Yamada, H. Tanaka, H. Funakubo, Y. Kodama, T. Kiguchi, T. J. Konno, M. Yoshino, and T. Nagasaki
The 20th IEEE International Symposium on Applications of Ferroelectrics International Symposium on Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials (ISAF-PFM-2011), M-PM-E-2-I, (Jul. 24-27, 2011, Vancouver, Canada). - [Invited talk] Ferroelectric and Piezoelectric Properties of Vertically Arrayed Epitaxial Pb(Zr,Ti)O3 Nanorods
T. Yamada, H. Tanaka, H. Funakubo, M. Yoshino, and T. Nagasaki
The 9th International Meeting of Pacific Rim Ceramic Societies (PacRim9), (Jul. 10-14, 2011, Cairns, Australia).
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