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Researcher information
Yukio Watanabe Last modified date：2013.5.10

Professor / Condensed Matter Physics
Department of Physics
Faculty of Sciences


Graduate School
Department of Physics
Graduate School of Sciences
Undergraduate School
Department of Physics
School of Sciences


Academic Degree
Ph.D University of Tokyo (1991)
Field of Specialization
Solid state physics
Outline Activities
Physics of small size materials, with emphasis on ferroelectrics
ref. home page and Physical Review Focus （http://focus.aps.org/story/v7/st1）
Research
Research Interests
  • nanoscopic quantum physics, Physics of ferroelectrics and insulators
    keyword : nanoscopic, quantum physics,ferroelectrics, insulators, surface
    1995.08.
Academic Activities
Books
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1. Okuyama, Ishibashi, Watanabe...,Ferroelectric Thin Films - Basic and Device Physics in FerroelectricThin Films for Memory Application (Topics in Applied Physics 98),Springer,Physics of ferroelectric interface: Attempt at nanoferroelectric physics,2005.06.
Reports
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1. Y. Watanabe,Review of Resistance Switching of Ferroelectrics and Oxides in Quest for Unconventional Electronic Mechanisms,citation 18 (2012.12),Ferroelectrics 349,190–209 (2007),2007.04.
2. Y. Watanabe,Study of an epitaxial ferroelectrics /semiconductor /insulator structure using perovskite oxides for application to the field effect transistor,(Yokohama, 1994,Aug), pp784-786,Extended Abstracts of Solid State Device and Materials conf.94 SSDM'94,1994.08.
Papers
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1. Y. Watanabe,Unidirectional bulk conduction and the anomalous temperature dependence of drift current under a trap-density gradient,Phys. Rev. B,Vol.81,pp.195210,,,2010.05.
2. M. Okano(修士卒) , Y. Watanabe, and S. W. Cheong　,Nonlinear positive temperature coefficient of resistance of Schottky contact on strained epitaxial BaTiO3 film,　Appl. Phys. Lett. 82(12), 1923-1925 (2003),Vol.82,No.12,2003.03.
3. Y. Watanabe and M. Okano(修士卒) 　,Photodiode properties of epitaxial Pb(Ti,Zr)O3/SrTiO3 ferroelectric heterostructures,　Appl. Phys. Lett.78(13), 1906-1908 (2001),2001.03.
4. Y. Watanabe, M. Okano(修士卒) , and A. Masuda(修士卒) 　,Surface conduction on insulating BaTiO3 crystal suggesting an intrinsic surface electron layer,　Phys. Rev. Lett. 86 (2), 332-335 (2001).,2001.01.
5. Y. Watanabe,Electrical transport through Pb(Zr,Ti)O3 pn and pp heterostructures modulated by bound charges at a ferroelectric surface: Ferroelectric pn diode,　Phys. Rev. B 59(17)11257-11266(1999).,1999.12.
6. Y. Watanabe,Tunneling current through a possible all-perovskite oxide pn junction,　Phys. Rev. B57(10) (Rapid Commun.) R5563-R5566 (1998),1998.03.
7. Y. Watanabe,Theoretical stability of the polarization in insulating-ferroelectric/semiconductor structures,　J. Appl. Phys. 83 (4), 2179-2193(1998),Erratum: J. Appl. Phys. 84(6), 3428 (1998),1998.02.
8. Y. Watanabe,Theoretical stability of the polarization in a thin semiconducting ferroelectric,　Phys. Rev. B57(2), 789-804 (1998),1998.01.
9. Y. Watanabe,Epitaxial all-perovskite ferroelectric field effect transistor with a memory retention,　Appl. Phys. Lett.66(14), 1770-1772 (1995),1995.04.
10. Y. Watanabe,A reproducible memory effect in the leakage current of epitaxial
ferroelectrics/conductive perovskite hetero-structures,　Appl. Phys. Lett.66(1), 28-30 (1995),1995.01.
11. . Y. Watanabe, Y. Matsumoto, M. Tanamura, H. Asami and A. Kato,Ferroelectric/ (La,Sr)2CuO4 epitaxial hetero-structure and hysteretic diode property,Physica C235-240, 739-740 (1994),1994.12.
12. Y. Watanabe, Y. Matsumoto, H. Kunitomo, M. Tanamura and E. Nishimoto,Crystallographic and electronic properties of epitaxial BaTiO3 film grown on conductive and insulating perovskite oxides,　Jpn J. Appl. Phys. 33(9B), 5182-5186 (1994),1994.09.
13. Y. Watanabe, D.C. Tsui, J.T. Birmingham, N.P. Ong, and J.M. Tarascon,Infrared reflectivity of single-crystal Bi2Mm+1ComOy (M= Ca, Sr, Ba; m=1, 2), Bi2Sr3Fe2O9.2 and Bi2Sr2MnO6.25 isomorphic to Bi-Cu-based high-Tc oxides,　Phys. Rev. B 43(4), 3026-3033 (1991).,1991.11.
14. Y. Watanabe, Z.Z. Wang, S.A. Lyon, D.C. Tsui, N.P. Ong, J.M. Tarascon, and P.Barboux,Mid-Infrared reflectivity and ellipsometry measurements on single crystal YBa2Cu3O7 and Bi2Sr2CuO6+y,　Phys. Rev. B 40(10), 6884-6889 (1989).,1989.10.
15. Y. Watanabe, J. Sasaki, Y. Kobayashi and T. Yoshitomi,Magneto-optical disc with alumina based oxide layer,　IEEE Trans. Mag-23(5), 2623-2625,1987.11.
Presentations
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1. Xian .
2. Lithuania.
Membership in Academic Society
  • 学外
  • 学外
  • 学外
Awards
  • 学内
Educational
Educational Activities
Solid State Physics III, Elementary Excitations, Mathematical Physics I, Advanced Semiconductor Physics


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