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新高温超伝導酸化物の化学設計とプロセッシング・総括班

Research Project

Project/Area Number 02227103
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Research InstitutionTokyo University of Science

Principal Investigator

笛木 和雄  東京理科大学, 理工学部, 教授 (80010750)

Co-Investigator(Kenkyū-buntansha) 小浦 延幸  東京理科大学, 理工学部, 教授 (90084459)
藤田 敏三  広島大学, 理学部, 教授 (20004369)
堂山 昌男  西東京科学大学, 理工学部, 教授 (40010748)
鯉沼 秀臣  東京工業大学, 材料研究所, 教授 (70011187)
坂東 尚周  京都大学, 化学研究所, 教授 (70027027)
Project Period (FY) 1989 – 1991
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥6,000,000 (Direct Cost: ¥6,000,000)
Fiscal Year 1990: ¥6,000,000 (Direct Cost: ¥6,000,000)
Keywords重点領域研究 / 総括班 / ブロック会議 / 研究会
Research Abstract

重点領域研究(1)「新高温超伝導酸化物の化学設計とプロセッシング」の総括班は、研究代表者笛木の他、坂東、鯉沼、堂山、藤田、小林、小浦、金丸、岸尾の計9名の班員から構成され、上記重点領域研究の運営のあたることを使命としている。第2年度は、計画研究2グル-プと公募研究を、前年度検討された方向付けに従って、全力を挙げて研究を推進するように努めた。研究が物理、化学、工学にまたがる学際性の高いものであることに鑑み、情報交換をまめに行うこと、協力的に研究を進める方針は、前年度に引き続いて堅持した。先ず、計画研究、公募研究の班員全員が研究報告する機会を夏冬2回設けることとし、夏には、2泊3日の研究会(合宿)を富士山麓で行ったが、参加者は研究代表者、分担者のみでなく、その協力者も事情の許す限り参加して貰って、発表・討論を行った。また冬の全員参加の会合は研究成果報告会を充てた。夏冬2回の全員参加の会合とは別に、その中間に当たる春、秋には地域性を入れたブロック会議を行い、テ-マを絞って討論が活発に行われるようにした。春のブロック会議は東京で高温超伝導の構造とキャラクタリゼ-ションをテ-マとして行われ、27件の研究が発表され討論が行われた。また秋のブロック会議は、結晶成長、Cu系以外の新超伝導物質の探索、格子転移と物性異常をテ-マとして大阪で行われ、11件の研究の紹介があり、活発な討論があった。なお本年度の研究成果は3月末に出来る予定の研究成果報告書にまとめられているが、各人の報告にペ-ジ数の上限は設けず自由としたので、内容は豊かなものとなっている。

Report

(1 results)
  • 1990 Annual Research Report
  • Research Products

    (29 results)

All Other

All Publications (29 results)

  • [Publications] Y.Idemoto and K.Fueki: "Oxygen nonstoichiometry and valence of bisumuth and copper in Bi_<2.00>Sr_<1.88>Ca_<1.00>Cu_<2.14>O_y" Physica C. 168. 167-172 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Fueki and Y.Idemoto: "High T_c Superconducting Oxides and Solid State Chemistry" Mol.Cryst.Liq.Cryst.184. 1-8 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 笛木 和雄: "超伝導セラミックスの化学" セラミックス. 25. 1135-1141 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Idemoto and K.Fueki: "Defect Thermodynamics of(La_<1ーx>Sr_x)_2CuO_<4ーδ>" Jpn.J.Appl.Phys.29. 2725 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Idemoto and K.Fueki: "Melting Point of Oxides as a Function of Oxygen Partial Pressure" Jpn.J.Appl.Phys.29. 2729-2731 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Idemoto,K.Fueki and M.Sugiyama: "Diffusion Coefficients of Oxygen in Nd_2CuO_<4ー5>" J.Solid State Chem.

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Fueki and Y.Idemoto: "Defect Chemistry of High T_c Superconductors" Physica C.

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Terashima and Y.Bando: "In Situ Growth of Superconducting NdーCeーCuーO Thin Films" Appl.Phys.Lett.56. 677-679 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Matouda and Y.Bando: "Magnetoresistance of cーAxisーOriented Epitaxial YBa_2Cu_3O_<7ーδ> Films above T_c" Phys.Rev.B. 40. 5176-5179 (1989)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Bando: "Low Temperature Growth and Properties of YBCO SingleーCrystal Films" Thin.Solid.Films.181. 147-165 (1989)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Ishikawa and M.Douyama: "Magnetic Ordering in Superconducting YBa_2(Cu_<1ーx>Fe_x)_3O_y Oxide" J.Nucl.Materials.

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Douyama and M.Matsui: "Magnetic Phase Diagram of YBa_2(Cu_<1ーx>Fe_x)_3O_y and YBa_2(Cu_<1ーx>Co_x)_3O_y" Materials Research Society Symposium Proceedings.

    • Related Report
      1990 Annual Research Report
  • [Publications] S.Ishibashi and M.Douyama: "Thermal Behavior of Positron Lifetime in Metal Substituted Oxide Superconductors YBa_2(Cu_<1ーx>)_3O_<7ーy>(M=Fe,Ni)" J.LessーCommon Metals. 164. 1113-1120 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] N.Moriyama and H.Kanamaru: "Crystalization of Amorphous YーBaーCuーO Film Prepared by RFーSputtering" Mol.Cryst.Lig.Cryst.184. 225-229 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Yoshimoto and H.Koinuma: "In situ RHEED Observation of CeO_2 Film Growth on Si by Laser Ablation Deposition in Ultrahigh Vacuum" Jpn.J.Appl.Phys.29. L1199-L1202 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Koinuma: "Epitaxial Growth of Ceramic Layers by Laser MBE" Extended Abstracts of the 22nd Conference on Solid State Devices and Materials. 933-936 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Koinuma: "Fluorine Doping and Superconductivity of Nd_2CuO_4 Thin Films" Jpn.J.Appl.Phys.29. L1642-L1644 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Maeno,S.Awaji,H.Matsumoto and T.Fujita: "Transport and Magnetic Properties of La_xSr_<1ーx>TiO_3" Physica B. 165. 1185-1186 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Nojima and T.Fujita: "Magnetization Curve and its Relaxation of BiーSrーCaーCuーO Films" Physica B. 165. 1137-1138 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Maeno,N.Kakehi,A.Odagawa and T.Fujita: "Structural Transitions and Superconductivity in (La_<1ーx>Ba_<xーy>Sr_y)_2CuO_4" Physica B. 165. 1689-1690 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Maeno,A.Odagawa,N.Kakehi,T.Suzuki and T.Fujita: "Structural,NormalーState and Superconducting Properties of (La_<1ーx>Ba_<xーy>Sr_y)_2CuO_4" Physica C. 173. 322-330 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Sakuta and T.Kobayashi: "Effect of Discharge Gas Pressure on YBaCuO Epitaxial Film Formation by Reactive RF Magnetron Sputtering" Jp.J.Appl.Phys.29. L611-L613 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Sakuta and T.Kobayashi: "Selective Heteroepitaxial Growth of(100)MgO/(001) Y_1Ba_2Cu_3O_y on MgO Substrate and Its Superconductivity" Jp.J.Appl.Phys.29. 1668-1674 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Fujiwara and T.Kobayashi: "Cathodeluminescence from MgO Substrates with YBaCuo Superconducting Epitaxial Thin Films" Solid State Communications. 74. 641-644 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] N.Koura,H.Shoji,A.Morita: "Preparation of Various Shape Superconducting Ceramics with Various Substrates by Electrophoretic Deposition Method" Mol.Cryst.Liq.Cryst.184. 243-247 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Suzuki,K.Kishio,T.Hasegawa and K.Kitazawa: "Oxygen Nonstoichiometry of (Nd,Ce)_2CuO_<4ーδ> System." Physica C. 166. 357-360 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Kishio,M.L.Green K.Nakatani and K.Kitazawa: "Processing Effects on Microstructure,Flux Pinning and Critical Current Densitiy of Cuprate Supercondcutors." Mol.Cryst.Liq.Cryst.184. 369-376 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 岸尾 光二、長谷川 哲也、北沢 宏一: "高温超伝導研究における最近の展開" 応用物理. 59. 554-570 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 鯉沼 秀臣: "「セラミックス」:"新超伝導セラミックスの設計と薄膜技術" 日本セラミックス協会",

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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