Publications

2018
  1. Control of Mg Content and Carrier Concentration via Post Annealing under Different Mg Partial Pressures for Sb-doped Mg2Si Thermoelectric Material
    D. Kato, K. Iwasaki, M. Yoshino, T. Yamada, and T. Nagasaki
    J. Solid State Chem., 258, 93-98 (2018).
2017
  1. Experimental Study of Effect of Strain on Electrocaloric Effect in (001)-epitaxial (Ba,Sr)TiO3 Thin Films
    T. Yamada, S. Matsuo, T. Kamo, H. Funakubo, M. Yoshino, and T. Nagasaki
    Jpn. J. Appl. Phys., 56, 10PF15-1-5 (2017).
  2. In-situ Observation of Ultrafast 90° Domain Switching under Application of an Electric Field in (100)/(001)-oriented Tetragonal Epitaxial Pb(Zr0.4Ti0.6)O3 Thin Films
    Y. Ehara, S. Yasui, T. Oikawa, T. Shiraishi, T. Shimizu, H. Tanaka, N. Kanenko, R. Maran, T. Yamada, Y. Imai, O. Sakata, N. Valanoor, and H. Funakubo
    Sci. Rep., 7, 9641 (2017).
  3. Charge Screening Strategy for Domain Pattern Control in Nano-scale Ferroelectric Systems
    T. Yamada, D. Ito, T. Sluka, O. Sakata, H. Tanaka, H. Funakubo, T. Namazu, N. Wakiya, M. Yoshino, T. Nagasaki, and N. Setter
    Sci. Rep., 7, 5236 (2017).
  4. Orientation Change with Substrate Type and Composition in (100)/(001)-oriented Epitaxial Tetragonal Pb(ZrxTi1−x)O3 Films
    D. Ichinose, T. Nakashima, Y. Ehara, T. Oikawa, T. Shimizu, O. Sakata, T. Yamada, and H. Funakubo
    J. Ceram. Soc. Jpn., 125, 458-462 (2017).
  5. Indirect Measurements of Electrocaloric Effect in Ferroelectric Thin Films by Positive-up-negative-down Method
    S. Matsuo, T. Yamada, T. Kamo, H. Funakubo, M. Yoshino, and T. Nagasaki
    J. Ceram. Soc. Jpn., 125, 441-444 (2017).
  6. Effect of In-plane Tensile Strain in (100)/(001)-oriented Epitaxial PbTiO3 Films on Their Phase Transition Temperature and Tetragonal Distortion
    T. Nakashima, D. Ichinose, Y. Ehara, T. Shimizu, T. Kobayashi, T. Yamada, and H. Funakubo
    Appl. Phys. Lett., 110, 122902-1-4 (2017).
  7. High Carrier Concentration in Mg2Si1-xSbx (0 ≤ x ≤ 0.10) Prepared by a Combination of Liquid-solid Reaction, Ball Milling, and Spark Plasma Sintering
    D. Kato, K. Iwasaki, M. Yoshino, T. Yamada, and T. Nagasaki
    Intermetallics, 81, 47-51 (2017).
2016
  1. Fabrication of Tetragonal Pb(Zr,Ti)O3 Nanorods by Focused Ion Beam and Characterization of the Domain Structure
    D. Ito, T. Yamada, M. Yoshino, T. Nagasaki, O. Sakata, J. Kuroishi, T. Namazu, T. Shiraishi, T. Shimizu, and H. Funakubo
    IEEE Trans. Ultrason., Ferroelect., Freq. Control, 63, 1642-1646 (2016).
  2. Significant Suppression of Island Growth in Epitaxial (Pb,La)(Zr,Ti)O3 Thin Films by Two-step Growth Technique
    S. Kondo, T. Yamada, M. Yoshino, T. Shiota, K. Shinozaki, and T. Nagasaki
    J. Ceram. Soc. Jpn., 124, 1127-1131 (2016).
  3. Fabrication and Characterization of (111)-epitaxial Pb(Zr0.35Ti0.65)O3/Pb(Zr0.65Ti0.35)O3 Artificial Superlattice Thin Films
    T. Yamada, Y. Ebihara, T. Kiguchi, O. Sakata, H. Morioka, T. Shimizu, H. Funakubo, T. J. Konno, M. Yoshino, and T. Nagasaki
    Jpn. J. Appl. Phys., 55, 10TA20-1-5 (2016).
  4. Intra- and Inter-atomic Optical Transitions of Fe, Co, and Ni Ferrocyanides Studied using First-principles Many-electron Calculations
    S. Watanabe, Y. Sawada, M. Nakaya, M. Yoshino, T. Nagasaki, T. Kameyama, T. Torimoto, Y. Inaba, H. Takahashi, K. Takeshita, and J. Onoe
    J. Appl. Phys., 119, 235102-1-10 (2016).
  5. Large Irreversible Non-180º Domain Switching after Poling Treatment in Pb(Zr, Ti)O3 Films
    Y. Ehara, S. Yasui, T. Oikawa, T. Shiraishi, N. Oshima, T. Yamada, Y. Imai, O. Sakata, and H. Funakubo
    Appl. Phys. Lett., 108, 212901-1-5 (2016).
  6. Single-domain (110) PbTiO3 Thin Films: Thermodynamic Theory and Experiments
    M. Mtebwa, A. K. Tagantsev, T. Yamada, P. Gemeiner, B. Dkhil, and N. Setter
    Phys. Rev. B, 93, 144113-1-13 (2016).
  7. Ab initio Study on Face Azimuth Dependency of Surface Energy and Structure in Ferroelectric PbTiO3
    Y. Takagi, T. Yamada, M. Yoshino, and T. Nagasaki
    Ferroelectrics, 490, 167-173 (2016).
2015
  1. Interfacial Dislocations in (111) Oriented (Ba0.7Sr0.3)TiO3 Films on SrTiO3 Single Crystal
    X. Shen, T. Yamada, R. Lin, T. Kamo, H. Funakubo, D. Wu, H. L. Xin, and D. Su
    Appl. Phys. Lett., 107, 141605-1-5 (2015).
  2. Fabrication and Characterization of (110)-oriented (Ba0.5,Sr0.5)TiO3 Thin Films using PdO//Pd Buffer Layer
    N. Oshima, K. Uchiyama, Y. Ehara, T. Oikawa, H. Tanaka, T. Sato, H. Uchida, T. Yamada, and H. Funakubo
    Jpn. J. Appl. Phys., 54, 10NA15-1-4 (2015).
  3. Domain Structure of Tetragonal Pb(Zr,Ti)O3 Nanorods and its Size Dependence
    T. Yamada, D. Ito, O. Sakata, J. Kuroishi, T. Namazu, Y. Imai, T. Shiraishi, T. Shimizu, H. Funakubo, M. Yoshino, and T. Nagasaki
    Jpn. J. Appl. Phys., 54, 10NA07-1-4 (2015).
  4. Negligible Substrate Clamping Effect on Piezoelectric Response in (111)-epitaxial Tetragonal Pb(Zr, Ti)O3 Films
    T. Yamada, J. Yasumoto, D. Ito, O. Sakata, Y. Imai, T. Kiguchi, T. Shiraishi, T. Shimizu, H. Funakubo, M. Yoshino, and T. Nagasaki
    J. Appl. Phys., 118, 072012-1-6 (2015).
  5. Orientation Control of Epitaxial Tetragonal Pb(ZrxTi1-x)O3 Thin Films Grown on (100)KTaO3 Substrates by Tuning the Zr/(Zr+Ti) Ratio
    D. Ichinose, T. Nakashima, Y. Ehara, T. Oikawa, T. Shimizu, O. Sakata, T. Yamada, and H. Funakubo
    Appl. Phys. Lett., 107, 022902-1-5 (2015).
  6. Phase Transitions Associated with Competing Order Parameters in Compressively Strained SrTiO3 Thin Films
    T. Yamada, B. W. Eerd, O. Sakata, A. K. Tagantsev, H. Morioka, Y. Ehara, S. Yasui, H. Funakubo, T. Nagasaki, and H. J. Trodahl
    Phys. Rev. B, 91, 214101-1-10 (2015).
  7. Reactive Sputtering Process and Properties of Ba(ZrxTi1-x)O3 Films for High Frequency Applications
    J. W. Kim, H. Shima, T. Yamamoto, S. Yasui, H. Funakubo, T. Yamada, and K. Nishida
    Proc. IEEE ISAF-ISIF-PFM 2015, 48-51 (2015).
  8. Fabrication of Tetragonal Pb(Zr,Ti)O3 Nanorods by Focused Ion Beam and Characterization of the Domain Structure
    D. Ito, T. Yamada, M. Yoshino, T. Nagasaki, O. Sakata, J. Kuroishi, T. Namazu, T. Shiraishi, T. Shimizu, and H. Funakubo
    Proc. IEEE ISAF-ISIF-PFM 2015, 175-177 (2015).
  9. Ba(ZrxTi1-x)O3 Thin Films for Tunable Microwave Applications
    J. W. Kim, H. Shima, T. Yamamoto, S. Yasui, H. Funakubo, T. Yamada, and K. Nishida
    Ceram. Int., 41, S323-S330 (2015).
  10. Suppressed Polar Distortion with Enhanced Curie Temperature in In-plane 90º-domain Structure of a-axis Oriented PbTiO3 Film
    H. Morioka, T. Yamada, A. K. Tagantsev, R. Ikariyama, T. Nagasaki, T. Kurosawa, and H. Funakubo
    Appl. Phys. Lett., 106, 042905-1-5 (2015).
  11. Post-deposition Control of Ferroelastic Stripe Domains and Internal Electric Field by Thermal Treatment
    L. Feigl, P.-E. Janolin, T. Yamada, M. Iwanowska, C. S. Sandu, and N. Setter
    Appl. Phys. Lett., 106, 032902-1-5 (2015).
2014
  1. Impact of Pulse Poling on Static and Dynamic Ferroelastic-domain Contributions in Tetragonal Pb(Ti,Zr)O3 Films Determined by In-situ X-ray Diffraction Analysis
    M. Nakajima, A. Wada, T. Yamada, Y. Ehara, T. Kobayashi, and H. Funakubo
    J. Appl. Phys., 116, 194102-1-7 (2014).
  2. Influence of Confined Polymer Structure on Proton Transport Property in Sulfonated Polyimide Thin Films
    K. Krishnan, T. Yamada, H. Iwatsuki, M. Hara, S. Nagano, S. Sakaida, K. Otsubo, O. Sakata, A. Ujiwara, H. Kitagawa, and Y. Nagao
    Electrochemistry, 82, 865-869 (2014).
  3. Preparation and Characterization of Ba(ZrxTi1-x)O3 Thin Films for High-frequency Applications
    K. J. Woong, H. Shima, T. Yamamoto, S. Yasui, H. Funakubo, T. Yamada, and K. Nishida
    Jpn. J. Appl. Phys., 53, 09PB04-1-7 (2014).
  4. Direct Observation of Intrinsic Piezoelectricity of Pb(Zr,Ti)O3 by Time-resolved X-ray Diffraction Measurement using Single-crystalline Films
    T. Fujisawa, Y. Ehara, S. Yasui, T. Kamo, T. Yamada, O. Sakata, and H. Funakubo
    Appl. Phys. Lett., 105, 012905-1-5 (2014).
  5. Crystal Orientation Dependency of Ferroelectric Property in Rhombohedral Pb(Zr,Ti)O3 Films
    Y. Ehara, S. Utsugi, T. Oikawa, T. Yamada, and H. Funakubo
    Jpn. J. Appl. Phys., 53, 04ED06-1-6 (2014).
  6. Dielectric Tunability Analysis of Pyrochlore Bi1.5Zn1.0Nb1.5O7 using Epitaxial Films on Pyrochlore Bi2Ru2O7 Conductive Layers
    M. Nakajima, R. Ikariyama, P. S. Sankara Rama Krishnan, T. Yamada, and H. Funakubo
    Appl. Phys. Lett., 104, 022908-1-4 (2014).
  7. TEM Analysis of the Nanostructure of Pb(Mg1/3Nb2/3)O3 Thin Films by MOD Method
    Y. Misaka, T. Kiguchi, K. Sato, T. Nishimatsu, T. Yamada, N. Usami, and T. J. Konno
    Key Eng. Mater., 582, 19-22 (2014).
2013
  1. Bi4Ti3O12 Nanowall Growth Driven by Anisotropic Growth Rate and Size Control
    T. Yamada, T. Shibata, K. Ishii, J. Kimura, H. Funakubo, M. Yoshino, and T. Nagasaki
    Jpn. J. Appl. Phys., 52, 09KA09-1-4 (2013).
  2. Strain-Stable Nonlinear Dielectric Responses in Pyrochlore Bismuth Zinc Niobate Thin Films
    M. Nakajima, T. Yamada, S. Okaura, and H. Funakubo
    Jpn. J. Appl. Phys., 52, 09KA13-1-5 (2013).
  3. Phase Boundary Shift by Thermal Strain in {100}-Oriented Epitaxial Pb(ZrxTi1-x)O3 Film Grown on CaF2 Substrates
    Y. Ehara, T. Oikawa, T. Yamada, and H. Funakubo
    Jpn. J. Appl. Phys., 52, 09KA02-1-5 (2013).
  4. Influence of Ba/Sr Ratio in Compressively-Strained (Ba,Sr)TiO3(001) Films on the Ferroelectric Phase Transition
    T. Yamada, I. Takuwa, T. Kamo, T. Iijima, M. Yoshino, T. Nagasaki, and H. Funakubo
    J. Ceram. Soc. Jpn., 121, 690-692 (2013).
  5. Nano-Structure around 90° Domain Wall and Elastic Interaction with Misfit Dislocation in PbTiO3 Thin Film
    T. Kiguchi, K. Aoyagi, Y. Ehara, H. Funakubo, T. Yamada, N. Usami, and T. J. Konno
    Key Eng. Mater., 566, 167-170 (2013).
  6. Unusual 90º Domain Structure in (2/3)Bi(Zn1/2Ti1/2)O3-(1/3)BiFeO3 Epitaxial Films with Giant 22% Tetragonal Distortion
    S. Yasui, K. Yazawa, M. Matsushima, T. Yamada, H. Morioka, H. Uchida, T. Iijima, L. You, J. Wang, T. Yamamoto, Y. Ikuhara, and H. Funakubo
    Appl. Phys. Lett., 103, 042904-1-5 (2013).
  7. Temperature and Electric Field Stabilities of Dielectric and Insulating Properties for c-axis-oriented CaBi4Ti4O15 Films
    J. Kimura, I. Takuwa, M. Matsushima, S. Yasui, T. Yamada, and H. Funakubo
    J. Appl. Phys., 114, 027002-1-7 (2013).
  8. Small-strain (100)/(001)-oriented Epitaxial PbTiO3 Films with Film Thickness Ranging from Nano to Micrometer Order Grown on (100)CaF2 Substrates by Metal Organic Chemical Vapor Deposition
    M.- T. Chentir, S. Utsugi, T. Fujisawa, Y. Ehara, M. Ishikawa, H. Morioka, T. Yamada, M. Matsushima, and H. Funakubo
    J. Mater. Res., 28, 696-701 (2013).
2012
  1. Effects of A-Site Occupancy of Bismuth Ions on the Dielectric Tunable Properties of Pyrochlore Bismuth Zinc Niobate Films
    M. Nakajima, T. Yamada, S. Okaura, and H. Funakubo
    Jpn. J. Appl. Phys., 51, 09LA10-1-3 (2012).
  2. Anisotropic Electrical Properties in Bismuth Layer Structured Dielectrics with Natural Super Lattice Structure
    T. Kojima, J. Kimura, M. Suzuki, K. Takahashi, T. Oikawa, Y. Sakashita, K. Kato, T. Watanabe, T. Takenaka, T. Yamada, and H. Funakubo
    Appl. Phys. Lett., 101, 012907-1-4 (2012).
  3. Noncontact Prove Method of Ferroelectric Property Estimation of PbTiO3 Based Films for Micro Electro Mechanical Systems
    Y. Ehara, S. Utsugi, M. Nakajima, M.- T. Chentir, T. Yamada, T. Iijima, K. Nishida, T. Yamamoto, and H. Funakubo
    J. Mater. Res., 27, 1430-1435 (2012).
  4. Growth of (111)-oriented BaTiO3-Bi(Mg0.5Ti0.5)O3 Epitaxial Films and Their Crystal Structure and Electrical Property Characterizations
    H. Tanaka, M.- T. Chentir, T. Yamada, S. Yasui, Y. Ehara, K. Yamato, Y. Kashiwagi, C. N. Theng, J. Wang, S. Okamura, H. Uchida, T. Iijima, S. Wada, and H. Funakubo
    J. Appl. Phys., 111, 084108-1-5 (2012).
  5. Temperature and Frequency Dependencies of Ferroelectric Properties in Rhombohedral Epitaxial Pb(Zr,Ti)O3 Films with Perfect (111) Orientations Grown on CaF2 Substrates
    Y. Ehara, T. Yamada, T. Iijima, N. Valanoor, and H. Funakubo
    Mater. Res. Soc. Symp. Proc., 1397, mrsf11-1397-p15-02 (2012).
2011
  1. Analysis of 4f-5d excitation spectra of Pr3+-doped SrY2O4
    S. Watanabe, Y. Ichikawa, M. Yoshino, T. Yamada, and T. Nagasaki
    UVSOR Activity Report, 10, 84 (2011).
  2. Relativistic Many-electron Calculations of Cr3+ L2,3-edge x ray Absorption Near-edge Structures for Cr3+:α-Al2O3 and α-Cr2O3 and Magnetic Circular Dichroism of Cr3+ L2,3-edge x ray Absorption Near-edge Structures for Cr3+:α-Al2O3
    S. Watanabe, T. Nagasaki, and K. Ogasawara
    J. Appl. Phys., 110, 123524-1-7 (2011).
  3. Ultrafast Switching of Ferroelastic Nanodomains in Bilayered Ferroelectric Thin Films
    Y. Ehara, S. Yasui, J. Nagata, D. Kan, V. Anbusathaiah, T. Yamada, O. Sakata, H. Funakubo, and V. Nagarajan
    Appl. Phys. Lett., 99, 182906-1-3 (2011).
  4. Preparation and Characteristics of Bi0.5Na0.5TiO3 Single-Crystalline Films by a Solid-State Process
    D. Ijuu, T. Kimura, T. Yamada, and H. Funakubo
    J. Am. Ceram. Soc., 94, 3291-3295 (2011).
  5. X-ray Diffraction Study of Electric-field-induced Strains in Polycrystalline BiFeO3 Thin Films at Low Temperature Using Synchrotron Radiation
    S. Nakashima, H. Fujisawa, M. Shimizu, O. Sakata, T. Yamada, H. Funakubo, J. M. Park, T. Kanashima, and M. Okuyama
    J. Korean Phys. Soc., 59, 2556-2559 (2011).
  6. Growth of (111)-oriented Epitaxial Bi(Mg0.5Ti0.5)O3 Films and Their Characterization
    H. Tanaka, T. Yamada, S. Yasui, K. Yamato, S. Wada, and H. Funakubo
    Key Eng. Mater., 485, 195-198 (2011).
  7. Growth of Orientation-controlled Epitaxial KNbO3 Thin Film by Hydrothermal Method
    H. Einishi, M. Ishikawa, M. Nakajima, S. Yasui, T. Yamada, M. Kurosawa, and H. Funakubo
    Key Eng. Mater., 485, 199-202 (2011).
  8. Dielectric Properties of Bismuth Layer-Structured Oxide Thin Films with Preferential Crystal Orientation at High-Temperature
    Y. Mizutani, J. Kimura, I. Takuwa, T. Yamada, H. Funakubo, and H. Uchida
    Key Eng. Mater., 485, 191-194 (2011).
  9. Configuration and Local Elastic Interaction of Ferroelectric Domains and Misfit Dislocation in PbTiO3/SrTiO3 Epitaxial Thin Films
    T. Kiguchi, K. Aoyagi, Y. Ehara, H. Funakubo, T. Yamada, N. Usami, and T. J. Konno
    Sci. Tech. Adv. Mater., 12, 034413-1-9 (2011).
  10. Strong Growth Orientation Dependence of Strain Relaxation in Epitaxial (Ba,Sr)TiO3 Films and The Resulting Dielectric Properties
    T. Yamada, T. Kamo, H. Funakubo, D. Su, and T. Iijima
    J. Appl. Phys., 109, 091605-1-6 (2011).
  11. Enhancement of Piezoelectric Response in (100)/(001) Oriented Tetragonal PZT Films by Controlling the Tetragonality and the Volume Fraction of the (001) Orientation
    M. Nakajima, S. Okamoto, H. Nakaki, T. Yamada, and H.Funakubo
    J. Appl. Phys., 109, 091601-1-5 (2011).
  12. Diffraction Contrast Analysis of 90º and 180º Ferroelectric Domain Structures of PbTiO3 Thin Films
    K. Aoyagi, T. Kiguchi, Y. Ehara, T. Yamada, H. Funakubo, and T. J. Konno
    Sci. Tech. Adv. Mater., 12, 034403-1-6 (2011).
  13. Structure Determination and Compositional Modification of Body-centered Tetragonal PX-Phase Lead Titanate
    J. Wang, K. Schenk, A. Carvalho, B. W. Eerd, J. Trodahl, C. S. Sandu, M. Bonin, I. Gregora, Z. He, T. Yamada, H. Funakubo, P. R. Briddon, and N. Setter
    Chem. Mater., 23, 2529-2535 (2011).
  14. Energy Expression of the Chemical Bond between Atoms in Metal Oxides
    Y. Shinzato, Y. Saito, M. Yoshino, H. Yukawa, M. Morinaga, T. Baba, and H. Nakai
    J. Phys. Chem. Solids, 72, 853-861 (2011).
  15. Spontaneous Polarization Estimation from the Soft-mode in Strain-free Epitaxial Polar Axis-oriented Pb(Zr,Ti)O3 Thick Films with Tetragonal Symmetry
    Y. Ehara, S. Utsugi, M. Nakajima, T. Yamada, T. Iijima, H. Taniguchi, M. Itoh, and H. Funakubo
    Appl. Phys. Lett., 98, 141914-1-3 (2011).
  16. Structural and Dielectric Properties of Epitaxial (Ba,Sr)TiO3 Films on c-Al2O3 with Ultra-thin TiN Sacrificial Template
    T. Yamada
    J. Ceram. Soc. Jpn., 119, 261-265 (2011).
  17. Growth-mode Induced Defects in Epitaxial SrTiO3 Thin Films Grown on Single Crystal LaAlO3 by a Two-step PLD Process
    D. Su, T. Yamada, R. Gysel, A. K. Tagantsev, P. Muralt, N. Setter, and N. Jiang
    J. Mater. Res., 26, 770-774 (2011).
  18. Characterization of Er2O3 Ceramic Coatings by Luminescence Measurements
    T. Tanaka, M. Yoshino, Y. Hishinuma, D. Zhang, W. Kada, F. Sato, T. Iida, T. Nagasaki, and T. Muroga
    J. Nucl. Mater., 417, 794-797 (2011).
2017
  1. [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).
  2. [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).
  3. [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).
  4. [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).
  5. [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).
  6. [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).
  7. [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).
  8. [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).
  9. [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).
  10. [Seminar] Piezoelectric Nano-structures for Energy Harvesters
    T. Yamada
    ETH-IEF Seminar, (Mar. 20, 2017, Zurich, Switzerland).
2016
  1. [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).
  2. [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).
  3. [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).
  4. [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).
  5. [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
  1. [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).
  2. [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).
  3. [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).
  4. [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).
  5. [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).
  6. [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).
  7. [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).
  8. [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).
  9. [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).
  10. [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
  1. [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).
  2. [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).
  3. [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).
  4. [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).
  5. [Invited lecture] Ferroelectric Thin Films: Growth and Properties
    T. Yamada
    Future Ferroelectrics, The 6th Summer School on Ferroelectricity, (Aug. 20-22, 2014, Higashihiroshima, Japan).
  6. [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).
  7. [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).
  8. [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
  1. [Invited talk] Piezoelectric Nanostructure: Structure Control and the Resulting Piezoelectric Properties
    T. Yamada, J. Yasumoto, K. Nakamura, H. Tanaka, O. Sakata, Y. Ehara, S. Yasui, T. Oikawa, H. Funakubo, M. Yoshino, and T. Nagasaki
    23rd Annual Meeting of MRS-J, F-I9-006, (Dec. 9-11, 2013, Yokohama, Japan).
  2. [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).
  3. [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).
  4. [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
  1. [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).
  2. [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).
  3. [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
  1. [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).
  2. [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).
  3. [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).
  4. [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).
  5. [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).
  6. [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).