1990 Fiscal Year Annual Research Report

高温超伝導材料を基盤とする新エレクトロニクスの総合的研究

Research Project

Project/Area Number	02226111
Research Institution	Chiba Institute of Technology
Principal Investigator	原宏千葉工業大学, 工学部, 教授 (10011157)
Co-Investigator(Kenkyū-buntansha)	岡部洋一東京大学, 工学部, 教授 (50011169) 永田明彦秋田大学, 鉱山学部, 教授 (20005945) 早川尚夫名古屋大学, 工学部, 教授 (60189636) 井口家成筑波大学, 物質工学系, 教授 (10011173) 太刀川恭治東海大学, 工学部, 教授 (40197372)
Keywords	酸化物超伝導 / 超伝導デバイス / 超伝導エレクトロニクス
Research Abstract	本研究は重点領域研究(1)高温超伝導材料を基盤とする新エレクトロニクス(新超伝導工学)の全体としての研究計画、研究者間の調整その他広報、他領域との連絡などの業務を通じて本領域の研究進展を円滑ならしめることを目的とする。メンバ-は上記の他本領域の計画研究から山下努(長岡技科大)、小林猛(阪大)および森末道忠(埼玉大)の3名、評価メンバ-から坂東尚周(京大)、梶村皓二(電総研)、宮沢信太郎(NTT)および大塚泰一郎(日本真空)の4名である。その他に各研究班(第1〜第4)の評価メンバ-計13名が所属している。本年度は総括班会議と研究会が主な活動である。定例として総括班会議は研究会と日を合わせて、研究会が2日にわたる場合は、その初日に開催して、研究の進展に対する評価、今後の日程に対する調整・決定などを行う。研究会は平成2年は6月18日(大阪)、8月24・25日(長岡)および平成3年1月17・18日(東京)で開催した。総括班会議はその他に平成3年2月23日に開催された。総括班会議では前記の他、他領域の研究と本領域の位置づけが、重要な関心事である。個々の研究内容としては各代表者の報告に譲るが、高温超伝導材料を用いてのデバイスの研究が表面的には華々しくないことは、常に我々の関心事である。現在、超薄膜・layer by layer成長・各種のin situ成膜技術(多層構造を含む)など様々な試みが内部的には精力的に行われている。そして一部はきれいなジョセフソン特性の観測、IーV特性の準粒子構造など意味のありそうな結果が得られている。しかし、これらが全幅の信頼を得るに至っていないのは正に新材料を十分に制御するにはなお時日をようすることと理解している。

Research Products
(28 results)

All Other

All Publications (28 results)

[Publications] Ko Hara: "A Determination of the Magnetic Flux Quantum Using Superconducting Magnetic Levitation System" CPEM '90 DIGEST. 183 (1990)
[Publications] Ko Hara: "Improvement of the Superconducting Magnetic Levitation System for the Determination of the Magnetic Flux Quantum" IEEE Trans.on Instr.& Meas.38. 225-228 (1989)
[Publications] Ko Hara: "IーV Characteris of NbNーNbN Josephson Point Contact" Japn.J.Appl.Phys.27. L677-L679 (1988)
[Publications] Ko Hara: "Absolute Measurement of the Magnetic Flux Quantum Using a Superconducting Magnetic Levitation System" Superconductivity Electronics(オ-ム・Prentice Hall). 109-112 (1987)
[Publications] Hajime Suzuki et al: "Thin film structure of YBa_2Cu_3O_7ーδ on(001)MgO substrate studied by TEM" Jpn.J.of Appl.Phys.29. L1648-L1651 (1990)
[Publications] Shogo Imai et al: "Submillimeterーwave response of NbーYBaCuO pointーsontact Josephson junctions using YBaCuO thin film prepared by CVD" Jpn.J.of Appl.Phys.29. L1778-L1780 (1990)
[Publications] I.Iguchi,Z.Wen: "In Situ Fabrication of Reproducible YBCO Epitaxial Planar Josephson Tunnel Junctions" Proc.1990 Applied Superconductivity Conference,Snowmass(Colorado),IEEE Trans.on MAG(1991).
[Publications] Z.Wen,I.Iguchi: "Magnetic Properties and CurrentーVoltage Characteristics of Anisotropic Y_1Ba_2Cu_3O_<7ーy>/native barrier/Pb Josephson Planar Tunnel Junctions" Jpn.J.Appl.Phys.30. L188-L191 (1991)
[Publications] A.Nakayama,T.Matsui,Y.Okabe: "Characteristics of YーBaーCuーO/Nb and BiーSrーCaーCuーO/Nb tunnelーtype Josephson junctions" 1990 Applied Supercondutivity Conference. 68 (1990)
[Publications] A.Nakayama and Y.Okabe: "Calculation of the Josephson Current in Pーwave/Sーwave superconducting Heteroーjunctions by Bogoliubov transformation" 1990 Applied Supercondutivity Conference. 68 (1990)
[Publications] W.J.Kang,K.Yoshimi,S.Hanada,S.Saito,Y.Murayama,S.Hayashi and A.Nagata: "Analysis of orientation distribution in YBa_2Cu_3O_<7ーx> polycrystals by electron channeling patterns" J.Appl.Phys.62. 6341-6346 (1990)
[Publications] A.Nagata,M.Oikawa and O.Izumi: "Critical Current Density and Microstructure of YBCO Supercoductors" 11th Inter'1.Conf.on Magnet Technology(MTー11)ed.by T.Sekiguchi et al.,1990(Applied Science,GBR). 938-943 (1990)
[Publications] W.J.Kang,S.Hanada,K.Yoshimi,S.Saito,Y.Murayama,S.Hayashi and A.Nagata: "Texture Study of Pressed YBa_2Cu_3O_<7ーx> Polycrystals by Electron Channeling Pattern" Advances in Supercondutivity III.
[Publications] I.Iguchi,Z,Wen,M.Furuyama: "Microwave Response of YBaCuO/MgO/Pb Planar Josephson Tunnel Junctions" Physica B. 165&166. 73-74 (1990)
[Publications] Y.Takai,K.Takechi,M.Inoue and H.Hayakawa: "Deposition of YーBaーCuーO Thin Films by RF Magnetron Sputtering with Grid Electrode:Plasma Parameters" Jpn.J.Appl.Phys.29. 1664-1667 (1990)
[Publications] A.Fujimaki,T.Tamaoki,T.Hidaka,M.Yanagase,T.Shiota,Y.Takai,and H.Hayakawa: "Experimental Analysis of YBa2Cu30x/Ag Proximity Interfaces" Jpn.J.Appl.Phys.29. L1659-L1662 (1990)
[Publications] K.Ohbayashi,M.Anma,Y.Takai,and H.Hayakawa: "High Tc(95K) AsーGrown Superconducting BiーSrーCaーCuーO Thin Films" Jpn.J.Appl.Phys.29. L2049-L2052 (1990)
[Publications] K.Sakuta T.Kobayashi: "Effect of Discharge Gas Pressure on YBaCuO Epitaxial Film Formation by Reactive RF Magnetron Sputtering" JAPANESE JOURNAL OF APPLIED PHYSICS. VOL.29. L611-L613 (1990)
[Publications] K.Sakuta T.Kobayashi: "Selective Heteroepitaxial Growth of (100)MgO/(001)Y_1Ba_2Cu_3O_y on MgO Substrate and Its Superconductivity" JAPANESE JOURNAL OF APPLIED PHYSICS. VOL.29. L668-L674 (1990)
[Publications] Y.Fujiwara T.Kobayashi: "Cathodeluminescence from MgO Substrates with YBaCuO Superconducting Epitaxial Thin Films" Solid State Communications. VOL.74. 641-644 (1990)
[Publications] Takayuki Komatsu et al: "Effect of copper content on glass formation and superconductivity in the BiーPbーSrーCaーCuーO system" J.of Mat.SCi.26. 683-688 (1991)
[Publications] 浜崎勝義ら: "微弱磁界計測用SQUID" 電子情報通信学会誌. 73. 947-952 (1990)
[Publications] K.Tachikawa,T.Watanabe and T.Inoue: "Synthesis of BiーBase HighーTc Oxides through a Diffusion Process." Superconductor Science and Technology. 3. 180-184 (1990)
[Publications] K.Tachikawa: "The VAMAS Intercomparison in the Area of Superconducting and Cryogenic Structural Materials." Advances in Cryogenic Engineering/Materials. 36A. 1-10 (1990)
[Publications] K.Tachikawa,Y.shimbo,M.Ono,M.Kabasawa and S.Kosuge: "Preparation of HighーTc Superconducting Thick Films by a LowーPressure Plasma Spraying." Advances in Cryogenic Engineering/Materials. 36A. 473-478 (1990)
[Publications] T.Hatano,A.Fujimaki,Y.Takai and H.Hayakawa: "Unique method of patterning superconducting thin films by selective growth of YーBaーCuーO" Jpn.J.Appl.Phys.29. 1076-1079 (1990)
[Publications] 原宏編著: "量子電磁気計測" 電子情報通信学会, (1991)
[Publications] 原宏: "超伝導のはなし" 日刊工業新聞社, 172 (1987)

1990 Fiscal Year Annual Research Report

高温超伝導材料を基盤とする新エレクトロニクスの総合的研究

Principal Investigator

原 宏 千葉工業大学, 工学部, 教授 (10011157)

Research Products

[Publications] Ko Hara: "A Determination of the Magnetic Flux Quantum Using Superconducting Magnetic Levitation System" CPEM '90 DIGEST. 183 (1990)

[Publications] Ko Hara: "Improvement of the Superconducting Magnetic Levitation System for the Determination of the Magnetic Flux Quantum" IEEE Trans.on Instr.& Meas.38. 225-228 (1989)

[Publications] Ko Hara: "IーV Characteris of NbNーNbN Josephson Point Contact" Japn.J.Appl.Phys.27. L677-L679 (1988)

[Publications] Ko Hara: "Absolute Measurement of the Magnetic Flux Quantum Using a Superconducting Magnetic Levitation System" Superconductivity Electronics(オ-ム・Prentice Hall). 109-112 (1987)

[Publications] Hajime Suzuki et al: "Thin film structure of YBa_2Cu_3O_7ーδ on(001)MgO substrate studied by TEM" Jpn.J.of Appl.Phys.29. L1648-L1651 (1990)

[Publications] Shogo Imai et al: "Submillimeterーwave response of NbーYBaCuO pointーsontact Josephson junctions using YBaCuO thin film prepared by CVD" Jpn.J.of Appl.Phys.29. L1778-L1780 (1990)

[Publications] I.Iguchi,Z.Wen: "In Situ Fabrication of Reproducible YBCO Epitaxial Planar Josephson Tunnel Junctions" Proc.1990 Applied Superconductivity Conference,Snowmass(Colorado),IEEE Trans.on MAG(1991).

[Publications] Z.Wen,I.Iguchi: "Magnetic Properties and CurrentーVoltage Characteristics of Anisotropic Y_1Ba_2Cu_3O_<7ーy>/native barrier/Pb Josephson Planar Tunnel Junctions" Jpn.J.Appl.Phys.30. L188-L191 (1991)

[Publications] A.Nakayama,T.Matsui,Y.Okabe: "Characteristics of YーBaーCuーO/Nb and BiーSrーCaーCuーO/Nb tunnelーtype Josephson junctions" 1990 Applied Supercondutivity Conference. 68 (1990)

[Publications] A.Nakayama and Y.Okabe: "Calculation of the Josephson Current in Pーwave/Sーwave superconducting Heteroーjunctions by Bogoliubov transformation" 1990 Applied Supercondutivity Conference. 68 (1990)

[Publications] W.J.Kang,K.Yoshimi,S.Hanada,S.Saito,Y.Murayama,S.Hayashi and A.Nagata: "Analysis of orientation distribution in YBa_2Cu_3O_<7ーx> polycrystals by electron channeling patterns" J.Appl.Phys.62. 6341-6346 (1990)

[Publications] A.Nagata,M.Oikawa and O.Izumi: "Critical Current Density and Microstructure of YBCO Supercoductors" 11th Inter'1.Conf.on Magnet Technology(MTー11)ed.by T.Sekiguchi et al.,1990(Applied Science,GBR). 938-943 (1990)

[Publications] W.J.Kang,S.Hanada,K.Yoshimi,S.Saito,Y.Murayama,S.Hayashi and A.Nagata: "Texture Study of Pressed YBa_2Cu_3O_<7ーx> Polycrystals by Electron Channeling Pattern" Advances in Supercondutivity III.

[Publications] I.Iguchi,Z,Wen,M.Furuyama: "Microwave Response of YBaCuO/MgO/Pb Planar Josephson Tunnel Junctions" Physica B. 165&166. 73-74 (1990)

[Publications] Y.Takai,K.Takechi,M.Inoue and H.Hayakawa: "Deposition of YーBaーCuーO Thin Films by RF Magnetron Sputtering with Grid Electrode:Plasma Parameters" Jpn.J.Appl.Phys.29. 1664-1667 (1990)

[Publications] A.Fujimaki,T.Tamaoki,T.Hidaka,M.Yanagase,T.Shiota,Y.Takai,and H.Hayakawa: "Experimental Analysis of YBa2Cu30x/Ag Proximity Interfaces" Jpn.J.Appl.Phys.29. L1659-L1662 (1990)

[Publications] K.Ohbayashi,M.Anma,Y.Takai,and H.Hayakawa: "High Tc(95K) AsーGrown Superconducting BiーSrーCaーCuーO Thin Films" Jpn.J.Appl.Phys.29. L2049-L2052 (1990)

[Publications] K.Sakuta T.Kobayashi: "Effect of Discharge Gas Pressure on YBaCuO Epitaxial Film Formation by Reactive RF Magnetron Sputtering" JAPANESE JOURNAL OF APPLIED PHYSICS. VOL.29. L611-L613 (1990)

[Publications] K.Sakuta T.Kobayashi: "Selective Heteroepitaxial Growth of (100)MgO/(001)Y_1Ba_2Cu_3O_y on MgO Substrate and Its Superconductivity" JAPANESE JOURNAL OF APPLIED PHYSICS. VOL.29. L668-L674 (1990)

[Publications] Y.Fujiwara T.Kobayashi: "Cathodeluminescence from MgO Substrates with YBaCuO Superconducting Epitaxial Thin Films" Solid State Communications. VOL.74. 641-644 (1990)

[Publications] Takayuki Komatsu et al: "Effect of copper content on glass formation and superconductivity in the BiーPbーSrーCaーCuーO system" J.of Mat.SCi.26. 683-688 (1991)

[Publications] 浜崎 勝義 ら: "微弱磁界計測用SQUID" 電子情報通信学会誌. 73. 947-952 (1990)

[Publications] K.Tachikawa,T.Watanabe and T.Inoue: "Synthesis of BiーBase HighーTc Oxides through a Diffusion Process." Superconductor Science and Technology. 3. 180-184 (1990)

[Publications] K.Tachikawa: "The VAMAS Intercomparison in the Area of Superconducting and Cryogenic Structural Materials." Advances in Cryogenic Engineering/Materials. 36A. 1-10 (1990)

[Publications] K.Tachikawa,Y.shimbo,M.Ono,M.Kabasawa and S.Kosuge: "Preparation of HighーTc Superconducting Thick Films by a LowーPressure Plasma Spraying." Advances in Cryogenic Engineering/Materials. 36A. 473-478 (1990)

[Publications] T.Hatano,A.Fujimaki,Y.Takai and H.Hayakawa: "Unique method of patterning superconducting thin films by selective growth of YーBaーCuーO" Jpn.J.Appl.Phys.29. 1076-1079 (1990)

[Publications] 原 宏編著: "量子電磁気計測" 電子情報通信学会, (1991)

[Publications] 原 宏: "超伝導のはなし" 日刊工業新聞社, 172 (1987)

原宏千葉工業大学, 工学部, 教授 (10011157)

[Publications] 浜崎勝義ら: "微弱磁界計測用SQUID" 電子情報通信学会誌. 73. 947-952 (1990)

[Publications] 原宏編著: "量子電磁気計測" 電子情報通信学会, (1991)

[Publications] 原宏: "超伝導のはなし" 日刊工業新聞社, 172 (1987)