WO2010140593A1 - 鉄系超電導線材とその製造方法 - Google Patents
鉄系超電導線材とその製造方法 Download PDFInfo
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- WO2010140593A1 WO2010140593A1 PCT/JP2010/059278 JP2010059278W WO2010140593A1 WO 2010140593 A1 WO2010140593 A1 WO 2010140593A1 JP 2010059278 W JP2010059278 W JP 2010059278W WO 2010140593 A1 WO2010140593 A1 WO 2010140593A1
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- Prior art keywords
- iron
- superconducting wire
- based superconducting
- wire
- cylindrical body
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 197
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 99
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000002887 superconductor Substances 0.000 claims description 31
- 239000002994 raw material Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 description 9
- 229910018219 SeTe Inorganic materials 0.000 description 6
- FESBVLZDDCQLFY-UHFFFAOYSA-N sete Chemical compound [Te]=[Se] FESBVLZDDCQLFY-UHFFFAOYSA-N 0.000 description 6
- 229910052711 selenium Inorganic materials 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 229910052714 tellurium Inorganic materials 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 150000002505 iron Chemical class 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052786 argon Inorganic materials 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
- 238000011161 development Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 238000000879 optical micrograph Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- 239000011028 pyrite Substances 0.000 description 2
- 229910052683 pyrite Inorganic materials 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- -1 SeTe Chemical compound 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052798 chalcogen Inorganic materials 0.000 description 1
- 150000001787 chalcogens Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B19/00—Selenium; Tellurium; Compounds thereof
- C01B19/007—Tellurides or selenides of metals
-
- 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
-
- 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
- H10N60/20—Permanent superconducting devices
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/85—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by XPS, EDX or EDAX data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/70—High TC, above 30 k, superconducting device, article, or structured stock
- Y10S505/704—Wire, fiber, or cable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49014—Superconductor
Definitions
- the present invention relates to an iron-based superconducting wire using an iron-based superconductor composed mainly of iron and a method for manufacturing the same.
- Non-Patent Document 1 An iron-based superconductor was discovered (Non-Patent Document 1). With this discovery, superconductors were found one after another in similar compounds, and iron-based superconductors are expected to become the veins of new high-temperature superconductors.
- iron-based superconductors have high critical current density and critical magnetic field, and are expected to be applied in applications.
- FeSe, FeTe, FeSe 1-x Te x (0 ⁇ x ⁇ 1), FeTe 1-x S x (0 ⁇ x ⁇ 1) and the like have been developed by the present inventors.
- Non-Patent Document 2-3 it is known that Fe is slightly excessive in the molar ratio in the compound of Fe and chalcogen.
- These iron-based superconductors are considered to be suitable for application due to their relatively low toxicity and simple structure. J. Am. Chem. Soc., 130, 3296 (2008) Appl. Phys. Lett., 94, 012503 (2009) Appl. Phys. Lett., 93, 152505 (2008)
- the present invention aims at practical development of such iron-based superconductors, such as FeSe, FeTe, FeSe 1-x Te x (0 ⁇ x ⁇ 1), FeTe 1-x S x (0 ⁇ x ⁇ 1), etc. It is an object of the present invention to provide an iron-based superconducting wire using the iron-based superconducting material and a manufacturing method thereof.
- the iron-based superconducting wire of the present invention is an iron-based superconductor in which iron forming the cylindrical body is one of chemical constituent elements inside the cylindrical body mainly formed of iron. Is generated.
- the cylindrical body is preferably a sheath of the superconducting wire.
- the chemical composition of the iron-based superconductor is FeSe, FeTe, FeSe 1-x Te x (0 ⁇ x ⁇ 1) or FeTe 1-x S x (0 ⁇ x ⁇ 1). It is preferable that it is any one of these.
- iron-based superconducting wire a large number of iron-based superconducting wires can be integrated into a multi-core wire.
- the method for producing an iron-based superconducting wire according to the present invention includes a cylindrical body formed mainly of iron, a mechanical material after being loaded with a raw material which is a chemical component element constituting an iron-based superconductor other than iron. And heat treatment at 100-1000 ° C. for 1 minute-500 hours to react the iron forming the cylindrical body with the raw material charged in the cylindrical body, thereby making the iron-based superconductor And an iron-based superconducting wire is obtained.
- iron-based superconducting wire of the present invention by using a cylindrical body mainly made of iron and loading other raw materials constituting the iron-based superconductor into the inside thereof, iron -Based superconducting wires can be produced, and the superconducting properties of iron-based superconducting wires are stably exhibited.
- Example it is the photograph which showed the wire after (a) rolling and (b) heat processing.
- 6 is a graph showing current-voltage characteristics of FeSe 1-x Te x (0 ⁇ x ⁇ 1) superconducting wire produced in an example.
- 2 is an optical micrograph showing a cross section of a FeSe 1-x Te x (0 ⁇ x ⁇ 1) superconducting wire produced in an example.
- 2 is a scanning electron microscope image of FeSe 1-x Te x (0 ⁇ x ⁇ 1) superconducting wire produced in an example. Is a photograph showing FeSe 1-x Te x (0 ⁇ x ⁇ 1) results in a surface mapping of the cross-section of the superconducting wire manufactured in Example.
- a cylindrical body mainly made of iron is used, and iron other than iron that forms the cylindrical body and is loaded inside the cylindrical body and constitutes the iron-based superconductor.
- An iron-based superconductor is generated by a raw material that is a chemical component element. That is, an iron-based superconductor having iron that forms the cylindrical body as one of chemical component elements is generated inside the cylindrical body that is mainly formed of iron.
- the cylindrical body is mainly made of iron in order to contribute to the production of iron-based superconductors, and the cylindrical body is made of additives other than iron and inevitable unless the production of iron-based superconductors is hindered. Impurities may be included. For example, addition of Hexagonal phase, Pyrite phase, silver, iron oxide, bismuth, etc. is allowed.
- the iron-based superconductor has a chemical composition of FeSe, FeTe, FeSe 1-x Te x (0 ⁇ x ⁇ 1), FeTe 1-x S x that has been developed so far. (0 ⁇ x ⁇ 1) and the like are mainly exemplified, but the chemical composition is not particularly limited as long as the wire can be formed.
- the composition ratio of the chemical component elements constituting the iron-based superconductor can be changed as appropriate.
- the ratio of Se to Te and the ratio of Te to S in FeSe 1-x Te x (0 ⁇ x ⁇ 1) and FeTe 1-x S x (0 ⁇ x ⁇ 1) are such that 0 ⁇ x ⁇ 1. Changes can be made as appropriate within the range.
- a cylindrical body mainly made of iron can also function and play a role as a sheath of a superconducting wire.
- Se, Te or S alone or a mixture, or a compound synthesized in advance such as SeTe or TeS can be used.
- the method for producing the iron-based superconducting wire of the present invention is exemplified below.
- a raw material which is a chemical component element other than iron constituting an iron-based superconductor is loaded into a cylindrical body mainly made of iron.
- the diffusion of Se and S can be effectively suppressed by performing the heat treatment in a sealed state under an inert gas atmosphere.
- raw materials other than iron, such as SeTe, that are loaded into the inside of the cylindrical body include additives such as Hexagonal phase, Pyrite phase, silver, oxidation to the extent that they do not impair superconducting properties. Iron, bismuth, etc. can be blended.
- the present invention has been completed for the first time in observing the critical current of iron-based superconducting wires through current tests, and may provide a great technical guideline for future iron-based superconductor wires. is there. For example, it is possible to realize a multi-core iron-based superconducting wire in which a large number of iron-based superconducting wires are integrated to form a multi-core wire.
- the trial manufacture of the wire rod was performed using the Powder-in-Tube method.
- An iron tube having an outer diameter of 6 mm and an inner diameter of 3.5 mm was used as a sheath, and Se or pre-synthesized SeTe was loaded therein, and both ends of the iron tube were sealed.
- rolling was performed using a grooved roll until the outer diameter became 2 mm, and further using a flat roll, rolled to a width of about 4-5 mm and a thickness of about 0.55 mm.
- the obtained wire was cut to about 4 cm, and this short wire was sealed in a quartz tube under an argon gas atmosphere (equal to atmospheric pressure).
- heat treatment was performed under the conditions shown in Table 1.
- the heating temperature is 450 to 550 ° C., and the heating time is 3 to 4 hours including the temperature raising time.
- voltage-current measurement was performed by an energization test, and the critical current (Ic) was estimated.
- FIG. 1 (a) is a photograph showing a wire before firing, in which SeTe powder is loaded into an iron tube (sheath) and rolled
- FIG. 1 (b) is a fired heat treatment in an argon gas atmosphere. It is the photograph which showed the later wire.
- SeTe used as a raw material other than iron was synthesized by measuring Se and Te in a molar ratio of 1: 1, vacuum-sealing them inside a quartz tube, and firing at 500 ° C. for 8 hours. , Crushed.
- Se is Se powder manufactured by Kojundo Chemical Co., Ltd., having a purity of 99.9% up and an average particle size of 75 ⁇ m.
- Te is Te powder manufactured by Kojundo Chemical Co., Ltd., having a purity of 99.9% and an average particle size of 150 ⁇ m.
- the cross-section of the wire was polished, the cross-section was observed with an optical microscope and SEM (Scanning Electron Microscope), and element mapping was performed using EDX (Energy Dispersive X-ray spectrocopy).
- FIG. 3 is an optical micrograph showing a cross section of the wire after the wire prepared under the conditions of Experiment No. 1 shown in Table 1 is embedded in a resin and polished.
- FIG. 4 is a scanning electron microscope image of the cross section of the wire prepared under the conditions of Experiment No. 1 shown in Table 1.
- FIG. 5 is a surface mapping by EDX (Energy Dispersive X-ray spectroscopy) of the cross section of the wire prepared under the condition of Experiment No. 1 shown in Table 1. Analysis was performed using Fe-K ⁇ rays, Se-L ⁇ rays, and Te-L ⁇ rays. It was confirmed that an iron-based superconductor having a chemical composition of FeSe 1-x Te x (0 ⁇ x ⁇ 1) was generated inside the iron sheath.
- an iron-based superconducting wire having a chemical composition of FeSe, FeTe 1-x S x (0 ⁇ x ⁇ 1) can be produced. It was.
- Te 1-x S x which is synthesized by reacting Te and S in advance and whose composition ratio is changed, is used as a raw material other than iron. It was. From the study of polycrystals of FeSe, FeSe 1-x Te x (0 ⁇ x ⁇ 1) and FeTe 1-x S x (0 ⁇ x ⁇ 1), it has been found that a solid solution system can be synthesized. For example, Te and S were mixed at a molar ratio of 1: 1, vacuum-sealed in a quartz glass tube, and then fired at 400 ° C. for 1/2 day to obtain TeS in which the entire amount had reacted.
- this TeS is loaded into an iron tube (sheath) together with Te to form a wire, and then heat-treated at 450-600 ° C., so that the chemical composition of the iron-based superconductor is Thus, an iron-based superconducting wire having FeTe 1-x S x (0 ⁇ x ⁇ 1) was obtained. A critical current was observed for all iron-based superconducting wires.
- iron-type superconducting wire of this invention and its manufacturing method are not limited to the said Example.
- Iron-based superconducting materials such as FeSe, FeTe, FeSe 1-x Te x (0 ⁇ x ⁇ 1), FeTe 1-x S x (0 ⁇ x ⁇ 1) are produced by the iron-based superconducting wire of the present invention and the manufacturing method thereof.
- An iron-based superconducting wire using can be easily produced. The practical application of iron-based superconductor is expected, and its application and development are expected.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
J.Am.Chem.Soc.,130, 3296 (2008) Appl. Phys. Lett., 94, 012503 (2009) Appl. Phys. Lett., 93, 152505 (2008)
Claims (5)
- 主として鉄から形成された筒状体の内部に、筒状体を形成する鉄を化学成分元素の一つとする鉄系超電導体が生成していることを特徴とする鉄系超電導線材。
- 請求項1に記載の鉄系超電導線材において、前記筒状体が、超電導線材のシースであることを特徴とする鉄系超電導線材。
- 請求項1または2に記載の鉄系超電導線材において、前記鉄系超電導体の化学組成が、FeSe、FeTe、FeSe1-xTex(0<x<1)またはFeTe1-xSx(0<x<1)のいずれか一つであることを特徴とする鉄系超電導線材。
- 請求項1から3のいずれか一項に記載の鉄系超電導線材の多数本が一体化されて多芯線に形成されていることを特徴とする多芯鉄系超電導線材。
- 主として鉄から形成された筒状体の内部に、鉄以外の鉄系超電導体を構成する化学成分元素である原料物質を装填した後、機械的加工を行い、線材化し、100-1000℃で1分-500時間の加熱処理を行い、筒状体を形成する鉄と筒状体の内部に装填された原料物質とを反応させて鉄系超電導体を生成させ、鉄系超電導線材を得ることを特徴とする鉄系超電導線材の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011518457A JP5626658B2 (ja) | 2009-06-05 | 2010-06-01 | 鉄系超電導線材とその製造方法 |
US13/376,248 US8871684B2 (en) | 2009-06-05 | 2010-06-01 | Iron-based superconducting wire and method for producing the same |
CN201080024126.2A CN102498528B (zh) | 2009-06-05 | 2010-06-01 | 铁系超导电线材及其制造方法 |
EP10783376.6A EP2447958B1 (en) | 2009-06-05 | 2010-06-01 | Iron-based superconducting wire and manufacturing method therefor |
Applications Claiming Priority (2)
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JP2009136662 | 2009-06-05 | ||
JP2009-136662 | 2009-06-05 |
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WO2010140593A1 true WO2010140593A1 (ja) | 2010-12-09 |
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PCT/JP2010/059278 WO2010140593A1 (ja) | 2009-06-05 | 2010-06-01 | 鉄系超電導線材とその製造方法 |
Country Status (5)
Country | Link |
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US (1) | US8871684B2 (ja) |
EP (1) | EP2447958B1 (ja) |
JP (1) | JP5626658B2 (ja) |
CN (1) | CN102498528B (ja) |
WO (1) | WO2010140593A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012148913A (ja) * | 2011-01-18 | 2012-08-09 | National Institute For Materials Science | 固相反応で合成したFeTe1−xSx化合物の超電導化方法 |
RU2522591C2 (ru) * | 2012-07-13 | 2014-07-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) | Способ синтеза монокристаллических селенидов железа |
CN110867283A (zh) * | 2019-11-29 | 2020-03-06 | 西北有色金属研究院 | 一种FeSe基超导线材的制备方法 |
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CN110061367B (zh) * | 2019-04-23 | 2020-08-11 | 中国科学院电工研究所 | 一种铁基超导接头及其制备方法 |
CN112010270B (zh) * | 2019-05-31 | 2022-07-15 | 中国科学院物理研究所 | FeBi(Te,Se)多晶超导材料及其制备方法和应用 |
CN113345640B (zh) * | 2021-06-03 | 2022-08-02 | 西北有色金属研究院 | 一种Fe(Se,Te)超导线材的制备方法 |
CN114242333B (zh) * | 2021-12-23 | 2023-03-14 | 上海交通大学 | 一种铁硒碲硫超导靶材及其制备方法与应用 |
WO2023146540A1 (en) * | 2022-01-30 | 2023-08-03 | Fermi Research Alliance, Llc | Bi-layer barrier assembly for iron-based superconductor and associated methods |
CN114566326A (zh) * | 2022-03-29 | 2022-05-31 | 中国科学院电工研究所 | 一种通过挤压成形获得复合包套铁基超导线带材的方法 |
CN114822991B (zh) * | 2022-05-26 | 2023-01-31 | 西北有色金属研究院 | 一种Fe(Se,Te)超导线材的制备方法 |
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US20030036482A1 (en) * | 2001-07-05 | 2003-02-20 | American Superconductor Corporation | Processing of magnesium-boride superconductors |
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CN1865457A (zh) * | 2006-06-13 | 2006-11-22 | 中国科学院电工研究所 | 一种铁基二硼化镁超导线带材的热处理方法 |
CN101271747B (zh) * | 2008-05-07 | 2013-05-01 | 中国科学院电工研究所 | 一种铁基化合物超导线材、带材及其制备方法 |
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2010
- 2010-06-01 WO PCT/JP2010/059278 patent/WO2010140593A1/ja active Application Filing
- 2010-06-01 EP EP10783376.6A patent/EP2447958B1/en not_active Not-in-force
- 2010-06-01 US US13/376,248 patent/US8871684B2/en not_active Expired - Fee Related
- 2010-06-01 CN CN201080024126.2A patent/CN102498528B/zh not_active Expired - Fee Related
- 2010-06-01 JP JP2011518457A patent/JP5626658B2/ja active Active
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JP2006185861A (ja) * | 2004-12-28 | 2006-07-13 | Kobe Steel Ltd | Nb3Sn超電導線材およびその製造方法 |
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Non-Patent Citations (6)
Title |
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APPL. PHYS. LETT., vol. 93, 2008, pages 152505 |
APPL. PHYS. LETT., vol. 94, 2009, pages 012503 |
J. AM. CHEM. SOC., vol. 130, 2008, pages 3296 |
See also references of EP2447958A4 |
YOSHIKAZU MIZUGUCHI ET AL.: "Superconductivity at 27 K in tetragonal FeSe under high pressure", APPLIED PHYSICS LETTERS, vol. 93, October 2008 (2008-10-01), pages 152505-1 - 152505-3, XP012111887 * |
YOSHIKAZU MIZUGUCHI ET AL.: "Superconductivity in S-substituted FeTe", APPLIED PHYSICS LETTERS, vol. 94, January 2009 (2009-01-01), pages 012503-1 - 012503-3, XP012118213 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012148913A (ja) * | 2011-01-18 | 2012-08-09 | National Institute For Materials Science | 固相反応で合成したFeTe1−xSx化合物の超電導化方法 |
RU2522591C2 (ru) * | 2012-07-13 | 2014-07-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) | Способ синтеза монокристаллических селенидов железа |
CN110867283A (zh) * | 2019-11-29 | 2020-03-06 | 西北有色金属研究院 | 一种FeSe基超导线材的制备方法 |
Also Published As
Publication number | Publication date |
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US20120135869A1 (en) | 2012-05-31 |
CN102498528B (zh) | 2014-04-16 |
EP2447958A4 (en) | 2015-04-15 |
JP5626658B2 (ja) | 2014-11-19 |
CN102498528A (zh) | 2012-06-13 |
EP2447958B1 (en) | 2017-09-20 |
EP2447958A1 (en) | 2012-05-02 |
US8871684B2 (en) | 2014-10-28 |
JPWO2010140593A1 (ja) | 2012-11-22 |
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