DE3806530A1 - Supraleiter mit schichtstruktur - Google Patents
Supraleiter mit schichtstrukturInfo
- Publication number
- DE3806530A1 DE3806530A1 DE3806530A DE3806530A DE3806530A1 DE 3806530 A1 DE3806530 A1 DE 3806530A1 DE 3806530 A DE3806530 A DE 3806530A DE 3806530 A DE3806530 A DE 3806530A DE 3806530 A1 DE3806530 A1 DE 3806530A1
- Authority
- DE
- Germany
- Prior art keywords
- levels
- atomic ratio
- layer
- octahedra
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002887 superconductor Substances 0.000 title description 2
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 29
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- 239000011011 black crystal Substances 0.000 claims description 4
- 125000004429 atom Chemical group 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 6
- 229910052593 corundum Inorganic materials 0.000 description 3
- 239000010431 corundum Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 3
- 238000007669 thermal treatment Methods 0.000 description 3
- 241000238366 Cephalopoda Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012982 x-ray structure analysis Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
- C04B35/4521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing bismuth oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/653—Processes involving a melting step
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0268—Manufacture or treatment of devices comprising copper oxide
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/80—Constructional details
- H10N60/85—Superconducting active materials
- H10N60/855—Ceramic superconductors
- H10N60/857—Ceramic superconductors comprising copper oxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Inorganic Chemistry (AREA)
Description
- a) [Bi₂O₄]2+ und
- b) [(Ca,Sr)₃Cu₂O₆]2- mit Perowskit-Struktur, wobei in der Schicht zwei Ebenen von miteinander eckenverknüpfenden [CuO₆]-Oktaedern vorliegen und in den Ebenen der Sauerstoff-Atome, die oberhalb und unterhalb parallel zu jeder der beiden [CuO4/2]-Ebenen liegen, die Erdalkali-Atome so angeordnet sind, daß sie sich jeweils in der Mitte eines aus 4 Sauerstoff-Atomen bestehenden kleinsten Quadrats befinden und die beiden Ebenen aus [CuO₆]-Oktaedern eine Schicht aus (Ca,Sr)O gemeinsam besitzen.
- a) [Bi₂O₄]2+ und
- b) [(Ca,Sr)2+n Cu1+n O4+2n ]-2 mit Perowskit-Struktur, wobei in dieser Schicht 1+n Ebenen von miteinander eckenverknüpfenden [CuO₆]-Oktaedern vorliegen und die Erdalkali-Atome in den 2+n Ebenen der Sauerstoffpositionen, die parallel zu, aber nicht in den [CuO4/2]-Ebenen liegen, so angeordnet, daß sie sich jeweils in der Mitte eines aus 4 Sauerstoff-Atomen bestehenden kleinsten Quadrats befinden und die Ebenen aus [CuO₆]-Oktaedern durch n gemeinsame Schichten aus (Ca,Sr)O verbunden sind.
Claims (4)
- a) [Bi₂O₄]2+ und
- b) [(Ca,Sr)₃Cu₂O₆]2- mit Perowskit-Struktur, wobei in der Schicht zwei Ebenen von miteinander eckenverknüpfenden [CuO₆]-Oktaedern vorliegen und in den Ebenen der Sauerstoff-Atome, die oberhalb und unterhalb parallel zu jeder der beiden [CuO4/2]- Ebenen liegen, die Erdalkali-Atome so angeordnet sind, daß sie sich jeweils in der Mitte eines aus 4 Sauerstoff-Atomen bestehenden kleinsten Quadrats befinden und die beiden Ebenen aus [CuO₆]-Oktaedern eine Schicht aus (Ca,Sr)O gemeinsam besitzen.
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3803530A DE3803530C2 (de) | 1988-02-05 | 1988-02-05 | Oxidischer Supraleiter und Verfahren zu seiner Herstellung |
DE3806530A DE3806530C2 (de) | 1988-02-05 | 1988-02-29 | Oxidischer Supraleiter mit Schichtstruktur |
AT89101689T ATE115104T1 (de) | 1988-02-05 | 1989-02-01 | Supraleiter und verfahren zu seiner herstellung. |
DE58908712T DE58908712D1 (de) | 1988-02-05 | 1989-02-01 | Supraleiter und Verfahren zu seiner Herstellung. |
ES89101689T ES2067489T5 (es) | 1988-02-05 | 1989-02-01 | Superconductores y procedimiento para su produccion. |
EP89101689A EP0327044B2 (de) | 1988-02-05 | 1989-02-01 | Supraleiter und Verfahren zu seiner Herstellung |
AU29588/89A AU608946B2 (en) | 1988-02-05 | 1989-02-03 | Superconductor and process for its preparation |
JP1024100A JPH01226737A (ja) | 1988-02-05 | 1989-02-03 | 超伝導体及びその製造方法 |
CA000590024A CA1341500C (en) | 1988-02-05 | 1989-02-03 | Superconductor and process for its preparation |
US08/475,078 US5703021A (en) | 1988-02-05 | 1995-06-07 | Process for making high temperature Bi-Sr-Ca-Cu oxide superconductor |
JP19760297A JP3330061B2 (ja) | 1988-02-05 | 1997-07-23 | 超伝導体の製造方法 |
JP22626197A JP3249441B2 (ja) | 1988-02-05 | 1997-08-22 | 超伝導体の製造方法 |
JP25686397A JP3332334B2 (ja) | 1988-02-05 | 1997-09-22 | 超伝導体及びその製造方法 |
JP23724698A JP3332350B2 (ja) | 1988-02-05 | 1998-08-24 | 超伝導体及びその使用方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3803530A DE3803530C2 (de) | 1988-02-05 | 1988-02-05 | Oxidischer Supraleiter und Verfahren zu seiner Herstellung |
DE3806530A DE3806530C2 (de) | 1988-02-05 | 1988-02-29 | Oxidischer Supraleiter mit Schichtstruktur |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3806530A1 true DE3806530A1 (de) | 1989-11-23 |
DE3806530C2 DE3806530C2 (de) | 1997-12-11 |
Family
ID=25864604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3806530A Expired - Lifetime DE3806530C2 (de) | 1988-02-05 | 1988-02-29 | Oxidischer Supraleiter mit Schichtstruktur |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3806530C2 (de) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0281474A2 (de) * | 1987-02-28 | 1988-09-07 | Sumitomo Electric Industries Limited | Verfahren zur Herstellung eines Oxid-Verbindungssupraleiterfadens |
EP0330305A2 (de) * | 1988-01-20 | 1989-08-30 | National Research Institute For Metals | Hochtemperatursupraleitendes Oxyd |
EP0331292A1 (de) * | 1988-02-05 | 1989-09-06 | Matsushita Electric Industrial Co., Ltd. | Oxydisches supraleitendes Material |
EP0332291A1 (de) * | 1988-02-12 | 1989-09-13 | AT&T Corp. | Einrichtungen und Systeme, basierend auf supraleitenden Materialien |
-
1988
- 1988-02-29 DE DE3806530A patent/DE3806530C2/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0281474A2 (de) * | 1987-02-28 | 1988-09-07 | Sumitomo Electric Industries Limited | Verfahren zur Herstellung eines Oxid-Verbindungssupraleiterfadens |
EP0330305A2 (de) * | 1988-01-20 | 1989-08-30 | National Research Institute For Metals | Hochtemperatursupraleitendes Oxyd |
EP0331292A1 (de) * | 1988-02-05 | 1989-09-06 | Matsushita Electric Industrial Co., Ltd. | Oxydisches supraleitendes Material |
EP0332291A1 (de) * | 1988-02-12 | 1989-09-13 | AT&T Corp. | Einrichtungen und Systeme, basierend auf supraleitenden Materialien |
Non-Patent Citations (9)
Title |
---|
JP-Z: Asahi Shinbun, 22.01.1988, p. 3: Inexpensiveand stable superconducting material developed * |
JP-Z: Japanese Economic News, 22 January 188: Hightemperature superconductors which do not contain rare earth elements. At an epoch-making temperature 105 K * |
JP-Z: Japanese Journal of Applied Physics, Vol. 27, No. 2, Febr. 1988, pp. L209-L210 * |
JP-Z: Nikkei Chodendo, 25.01.1988, p. 1: N.R.I.M. roduces a new superconductor having a possibility of a T¶c¶ of 105 K without rare earth * |
JP-Z: Nikkei Chodendo, February 8,1988, pages 1-3 * |
JP-Z: NIKKEI Chodendo,February 22,1988,pages 1-4 * |
JP-Z: Nikkei Sangyo Shinbun, 04.02.1988, p. 3: Succeeded in thin film crystallization of bismuth base superconductor * |
JP-Z: NIKKEI Sangyo Shinbun, February 25, 1988, page 3 * |
US-Z: Science, Vol. 239, 26. February 1988, pp. S. 1015-1017 * |
Also Published As
Publication number | Publication date |
---|---|
DE3806530C2 (de) | 1997-12-11 |
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8364 | No opposition during term of opposition |