Superconducting Materials Group - Home Page

Hideo IHARA

 

·   B.S., University of Tokyo (1965)

·   Dr. Engineering, University of Tokyo (1978)

 

·   Materials Science

·   Superconducting Materials

·   Best Performance Superconductor, Development of Cu-1234 (CuBa₂Ca₃Cu₄O_12-y)

·   Search for Room Temperature Superconductor

·   Development of the Best Performance Superconductor

·   How to Achieve the Best Performance Superconductor, Physica C (2001)

·   Perspective of the 3rd Generation High-Tc Superconductor, Supercond.Sci.Technol. (2001)

·   Possibility of the Best Performance Superconductor, Kotaibutsuri (Solid State Physics) 35 (2000) 301

·   Award of MITI-Ministry (1999)

·   Prize of Superconducting Science and Technology Research Association (1999)

·   Man of the Year - ABI, IBC (1998)

Yasumoto TANAKA

·   B.S., Science University of Tokyo (http://www.sut.ac.jp/), Faculty of Science – Department of Physics (1985)

·   Dr., Science University of Tokyo (1990)

·   Physics

·   Superconductivity Theory

·   Raman Spectroscopy (experimental activity)

·   Specific Heat Study on Cu-1234 (experimental study)

·   Josephson Effect in Multi-Band Superconductors. (theoretical work)

·   Raman Spectroscopy on Cu-1234 (experimental work)

·   Phase Instability in Multi-Band Superconductor, J. Phys. Soc. Jpn. (Oct. 2001).

·   Specific Heat Study on Cu_xBa₂Ca₃Cu₄O_y; J. Phys. Soc. Jpn. 70 (2001) 329.

·   Specific Heat Study on Cu_xBa₂Ca₃Cu₄O_y; Physica C 357 (2001) 222.

·   Tl-valence change and T_c enhancement (>130K) in (Cu,Tl)Ba₂Ca₃Cu₃O_y Phys.Rev.B 63 (2001) art.no.064508

·   The Chief Representative of Undergraduate School Division I Departments (Science University of Tokyo, 1985)

Short Visits (1997)

·   Service National des Champs Magnetiques Pluses, INSA Complexe Scientifique de Rangueil (Toulouse, France) (Supervisor: Prof. Jean Leotin, Collaborator: Dr. Dmitri V. Smirnov )

·   Lab de Cristallographie,CNRS (Grenoble, France) (Supervisor: Prof. J.J. Capponi)

 

 

Jiacai NIE  
 

·   B.S., Beijing Normal University, Department of Physics, China (1990)

·   Ph.D., Institute of Physics, National Laboratory for Superconductivity, Beijing, (1996)

 

·   Thin film and device fabrication 

·   Epitaxial metal oxide thin films

·   Novel multi-layer structure by superlattice approach

·   Physics and application of superconducting devices such as grain boundary Josephson junction and SQUID

·   Colossal magnetoresistance (CMR) 

Techniques of Laboratory

·   Pulsed Laser Deposition, dc and rf Magnetron Sputtering

·   InSitu Preparation and Characterization of Heteroepitaxial Multilayer Thin Films

·   Out- and In-plane X-ray diffraction

·   Expert in AFM; Experience in SEM and TEM

·   Lithography of Thin Films (Photolithography, Wet etching and Ion Beam Milling)

·   Devices Fabrication and Characterization 

·   Preparation and properties of (BaCuO₂)_m/(Sr_xCa_1-xCuO₂)_n artificial superlattice by layer-by-layer growth technique

·   Precipitate-free epitaxy of YBa₂Cu₃O_7-d thin films by atomic control of step arrays on vicinal SrTiO₃(100) substrates, Applied Surface Science 172, 207(2001).

·   Growth of Sr_xCa_1-xCuO₂ film and (CaCuO₂)_m/(SrCuO₂)_n superlattice by reactive sputtering, Physica C 357-360, Part 2, 1407 (2001).

·   Stoichiometry and thickness distribution of BaCuO₂ and CaCuO₂ thin films by off-axis rf sputtering, Thin Solid Films 389 (1-2), 261 (2001).

·   Precipitate-free epitaxy of YBa₂Cu₃O_7-d thin films by atomic control of step arrays on vicinal SrTiO₃(100) substrates, Applied Surface Science 172, 207(2001).

·   Presidential Award of Chinese Academy of Sciences, Beijing (1996)

·   Excellent Graduate Scholarship, Beijing (1995) 

·   STA fellow, Electrotechnical Laboratory, Tsukuba, Ibaraki, Japan. (1997,09 - 1999,08)

·   Member of Japanese Applied Physics Society (1998) 

Sundaresan ATHINARAYANAN  

 

·   M.S., Madurai Kamaraj University, Madurai, India (1986)

·   Ph.D., Indian Institute of Technology, Bombay (1994)

 

·   Materials Science

·   Superconductivity

·   Magnetism

·   Metal-insulator transition

·   Structure-properties relation

·   Fabrication of (Cu,Tl)-1234 superconductor thin film for microwave devices

·   Precipitate-free epitaxy of YBa₂Cu₃O_7-d thin films by atomic control of step arrays on vicinal SrTiO₃(100) substrates, Applied Surface Science 172, 207(2001).

·   Kondo--like effect in the double exchange ferromagnet La_0.5-xCl_xSr_0.5MnO₃, J.Magn.Mater. 226-230 (2001)

·   Preparation of CuBa₂Ca₃Cu₄O_y superlattice thin film by self-assembling epitaxy method, Physica C 357 (2001)

·   Jahn-Teller distorsion and magnetoresistance in electron doped Sr_1-xCl_xMnO₃ (x=0.1, 0.2, 0.3 and 0.4), Eur.Phys.J. B 14, 430 (2000)

·   Indo-French (1995-1997)

·   CNRS, France (1998-1999)

·   CREST, JST, Japan (1999-present)

Shingo FUJIWARA

 

·   B.S., Science University of Tokyo (http://www.sut.ac.jp/), Faculty of 
Industrial Science and Technology – Department of Applied Electronics (2000)

·   In present,  student to Master's Course - Science University of Tokyo, Faculty of  Industrial Science and Technology – 
Department of Applied Electronics (2001)

 

·   Electronic technique

·   Material development

·   Development of the practical thin film based on Cu-system

·   Application to microwave device of Cu-system based thin film

·   Realization of energy super-highway by Cu-system superconductivity

·   Realization of the CuTl-1223 thin film on sapphire substrate

·   Precipitate-free epitaxy of YBa₂Cu₃O_7-d thin films by atomic control of step arrays on vicinal SrTiO₃(100) substrates, Applied Surface Science 172, 207(2001).

·   Growth of (100)CeO₂ buffer on sapphire for the preparation Cu_1-xTl_xBa₂Ca₃Cu₄O_y superconducting thin film by SAE method, Nagoya 2001.

·   Employment to Hitachi Medical Corp. starting with 2002, April.

Hideto ASADA

 

·   B.S., Science University of Tokyo (http://www.sut.ac.jp/), Faculty of Industrial Science and Technology – Department of Applied Electronics (2000)

·   In present,  student to Master's Course - Science University of Tokyo, Faculty of  Industrial Science and Technology – 
Department of Applied Electronics (2001)

·   Applied electronics

·   Superconductivity

·   Nano-technology

·   Fabrication of Cu_1-xTl_xBa₂Ca₃Cu₄O_y Superconducting Thin Film on Sapphire by APE Method

·   Study of the Single Electron Transistor Fabricated by Electron Beam Induced Deposition (2000)

Manabu HIRAI

 

·   B.S., Science University of Tokyo (1999)

·   M.S., Science University of Tokyo (2001)

·   In present,  student to Doctor Course -  (Professor Juichiro Arai), Science University of Tokyo, Faculty of  Science and Technology – Department of Physics
(2001)

 

·   Physics

·   Superconductivity

·   Preparation of Cu_xBa₂Ca₃Cu₄O_y Superlattice by SAE Method

·   A. Crisan, A. Iyo, Y. Tanaka, M. Hirai, M. Tokumoto, H. Ihara: Superconducting properties from AC susceptibility and harmonic generation in CuBa₂Ca₃Cu₄O_y bulk superconductors, Physica C 

·   A. Sundaresan, M. Hirai, J.C. Nie, K. Hayashi, Y. Ishiura, H.Ihara: Preparation of CuBa₂Ca₃Cu₄O_y superlattice thin film by self-assembling epitaxy method, Physica C 357 (2001)

·   M. Hirai, A. Crisan, A. Iyo, Y. Tanaka, M. Tokumoto, J. Arai, H. Ihara: Superconducting properties from AC susceptibility and harmonic generation in CuBa₂Ca₃Cu₄O_y bulk superconductors, The Japan Society of Applied Physics (2000)

·   A. Sundaresan, M. Hirai, J.C. Nie, K. Hayashi, Y. Ishiura, H. Ihara: Preparation of CuBa₂Ca₃Cu₄O_y superlattice thin film by self-assembling epitaxy method, ISS 2000

·   A. Sundaresan, M. Hirai, J.C. Nie, Y. Ishiura, H. Ihara: Stabilization of CuBa₂CuO_y phase for the preparation of superlattice CuBa₂Ca₃Cu₄O_y thin film by SAE Method, The Japan Society of Applied Physics (2001)

Ioan Adrian CRISAN

 

·   M.S., University of Bucharest, Faculty of Physics, Romania (1985)

·   Ph.D., Institute of Atomic Physics, Bucharest, Romania (1994)

·   Physics

·   High temperature superconductivity

·   Transport and magnetic properties

·   Flux dynamics and pinning

·   Growth and study of the transport properties of (BaCuO₂)₂/(CaCuO₂)_n artificial superlattices grown by Pulsed Laser Deposition

·   Susceptibility studies of high-pressure-grown Cu-1234 bulk superconductors, with and without heavy-ion induced columnar defects

·   Increase of critical current density in HTSC thin films by RF-sputtered Ag nano-dots

·   Precipitate-free epitaxy of YBa₂Cu₃O_7-d thin films by atomic control of step arrays on vicinal SrTiO₃(100) substrates, Applied Surface Science 172, 207(2001).

·   A. Crisan, S.N. Gordeev, P.A.J. de Groot, C. Beduz: Some superconducting properties of the Inter-Domain Border of Melt-Textured YBa₂Cu₃O₇, Physica C 355 (2001) 231-237

·   A. Crisan, A. Iyo, Y. Tanaka, M. Hirai, M. Tokumoto, H. Ihara : Superconducting properties from AC susceptibility and harmonic generation in CuBa₂Ca₃Cu₄O_y bulk superconductors, Physica C 353 (2001) 227-240

·   G. Balestrino, A. Crisan, D.V. Livanov. S.I. Manokhin, E. Milani:  Fluctuation magnetoconductivity of BSCCO-2212 films in parallel magnetic field, Physica C 355 (2001) 135-139

·   A. Crisan: Current-induced unbinding of thermally created vortex-antivortex pairs in zero magnetic field (chapter 6) in "Flux pinning in high temperature superconductors", vol.31 of International Book Series "Studies of High Temperature Superconductors", editor A. Narlikar, Nova Science Publishers, New York (2000)

·   Member of Romanian Physical Society

·   Member of Japanese Society of Applied Physics

·   European Communities' Research Fellowship at the Univ. of Rome "Tor Vergata", Dept. of Mechanical Engineering, Rome, Italy (1994)

·   NATO/Royal Society Postdoctoral Research Fellowship, Institute of Cryogenics, Univ. of Southampton, United Kingdom (1997)

·   INFM Italy Research Fellowship at Univ. of Rome "Tor Vergata", Dept. of Physics and Energetic Science and Technology, Italy (March 1998 - June 1999)

·   Science and Technology Agency (STA) of Japan Fellowship, Electrotechnical Laboratory, Tsukuba, Japan (2000)

·   STA Fellowship, AIST Tsukuba Central 2, Tsukuba, Japan (2000-2002)

Petre BADICA

 

·   M.S., University "Politehnica" of Bucharest,  Faculty of Materials Science and Engineering, Romania (1992)

·   Ph.D., National Technical University of Ukraine, "Kiev Polytechnic Institute", Faculty of Physics and Engineering, Department of Powder Metallurgy & High Temperature Materials, Ukraine (1996)

 

·   Materials Science, Powder Metallurgy and Ceramic Engineering

·   Research work in the field of ceramic and powder metallurgy science and technology

·   Thin film preparation science and technology 

·   Superconductors synthesis

·   Bulk superconductor synthesis

·   Thin film preparation (Tl-based superconductors)

·   P. Badica, G. Aldica, M.-C. Bunescu, A.V. Nemyrovsky: Studies concerning secondary synthesis processes in Bi(Pb)-Sr(Ba)-Ca-Cu-O freeze dried superconducting ceramic, J. Mat. Sci. Lett, 19 (2000) 561-564.

·   A. Iyo, Y. Ishiura, Y. Tanaka, P. Badica, K. Tokiwa, T. Watanabe, H. Ihara: Effects of residual carbon on phase formation of TlBa2Can-1CunOy (n=3 and 4) superconductors, Physica C (2001)

·   P. Badica, G. Aldica, J.R. Groza, M.-C. Bunescu, S. Mandache: Reactive Field Assisted Sintering of BSCCO-Ag2O Ceramic Produced from Freeze Dried Precursor Powders, (submitted to J. Mater. Res.) presented at TMS 2000, March 12-16, Nashville, Tennessee, USA (invited talk) (2000)

·   P. Badica, A. Crisan, A. Iyo, Y. Ishiura, M. Kawamura, A. Sundaresan, H. Kito and H. Ihara: Normal pressure synthesis of the bulk (Cu,Tl)Ba2Ca3Cu4Ox superconductor, presented at ISEC'01, June 19-22, 2001, Osaka, Japan, ISEC'01 Proc., 277-288 (2001)

·   PhD fellowship of the Ukrainian-Romanian Program of Cooperation at National Technical University of Ukraine, "Kiev Polytechnic Institute", Faculty of Physics and Engineering, Department of Powder Metallurgy & High Temperature Materials, Ukraine (1993-1996)

·   Post-doc visiting scholar at IUCN-Dubna, Lab.  Neutron Physics "I.M. Frank", Russia (1997 and 1998)

·   Post-doc visiting scholar at University of California, Davis,  Dept. of Chem Eng. & Materials Science, California, USA (1999)

·   Science and Technology Agency (STA) of Japan post-doc fellowship at Nanoelectronics Research Institute of AIST, Materials Science Division, Superconducting Materials Group, Tsukuba, Japan (2000-2002)

Akira IYO

 

http://www.etl.go.jp/~iyo/

Hijiri KITO

Yasuharu KODAMA