JP5376499B2 - 鉄系超電導物質 - Google Patents
鉄系超電導物質 Download PDFInfo
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- JP5376499B2 JP5376499B2 JP2008282673A JP2008282673A JP5376499B2 JP 5376499 B2 JP5376499 B2 JP 5376499B2 JP 2008282673 A JP2008282673 A JP 2008282673A JP 2008282673 A JP2008282673 A JP 2008282673A JP 5376499 B2 JP5376499 B2 JP 5376499B2
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- Prior art keywords
- iron
- based superconducting
- superconducting material
- fete
- superconducting substance
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- 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.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 title claims description 10
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 3
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 3
- 229910002548 FeFe Inorganic materials 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 abstract description 5
- 231100000701 toxic element Toxicity 0.000 abstract description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011593 sulfur Substances 0.000 abstract description 2
- 239000002887 superconductor Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 5
- 238000001308 synthesis method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 229910052714 tellurium Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- IKHZKATVXPFKTI-UHFFFAOYSA-N tellanylideneiron Chemical compound [Fe].[Te] IKHZKATVXPFKTI-UHFFFAOYSA-N 0.000 description 2
- 241000238366 Cephalopoda Species 0.000 description 1
- VETKVGYBAMGARK-UHFFFAOYSA-N arsanylidyneiron Chemical compound [As]#[Fe] VETKVGYBAMGARK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- WALCGGIJOOWJIN-UHFFFAOYSA-N iron(ii) selenide Chemical compound [Se]=[Fe] WALCGGIJOOWJIN-UHFFFAOYSA-N 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- DPTATFGPDCLUTF-UHFFFAOYSA-N phosphanylidyneiron Chemical compound [Fe]#P DPTATFGPDCLUTF-UHFFFAOYSA-N 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
-
- 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
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/77—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Description
ACTA CHEMICA SCANDINAVICA 8,1927, 1945
<式1>
Fe(Te1−xSx)y (0<x<1, 0.8<y≦1) 発明2は、発明1の鉄系超電導物質において、正方晶のPbO構造(空間群P4/nmm)を取ることを特徴とする。
また、FeTeyで記述できるテルルが若干欠損もしくは過剰な組成比でも安定である。
また、yについては0.8<y≦1、より好ましくは0.9<y≦1である。
原料に使用したFe,Te,S材料は、以下のものを使用した。
Fe:(株)高純度化学研究所製のFe粉末であって、純度99.9%以上、平均粒径150mmの粒子。
Te:(株)高純度化学研究所製のTe粉末であって、純度99.9%, 平均粒径150mmの粒子。
S:(株)高純度化学研究所製のS粉末であって、純度99%以上。
TeS化合物は、灰色の粉末として得られた。
このTeS化合物は、S単独の蒸発による問題を低減する目的で、以後の合成に利用した。
得られた試料TeSとFe、TeをFeTe1−xSx (x=0.1, 0.2, 0.3)の組成比になるよう、表2に示す比率となるように秤量して、10分程メノー乳鉢でグラインドして混合し、石英ガラス管に真空封入し、550〜600℃で1/2日焼成した。得られた試料は、粉砕そして成形し、再度、石英ガラス管に真空封入し、600℃で1/2日焼成した。
なお、TeS化合物以外の原材料は、前記合成方法1と同様のものを使用した。
上記方法で合成した試料は全て超電導を示した。
代表的な実験結果として、以下に図を示す。
電気抵抗率測定は4端子法を用いて行った。磁化測定はSQUID磁束計を用いて行った。
合成法1で得られたサンプルに対しては、表面が黒くなっているところに4端子を設け電気抵抗率を測定した。
合成法2で得られたサンプルは焼結体で全体が同じ状態なので、ペレットを割り直方体に整形して4端子を設けた。
Claims (2)
- 鉄を主成分とした超電導現象を発現する鉄系超電導物質であって、以下の式1を満たすように、FeTe合金にSをドープした組成よりなることを特徴とする鉄系超電導物質。
<式1>
Fe(Te1−xSx)y (0<x<1, 0.8<y≦1) - 請求項1に記載の鉄系超電導物質において、正方晶のPbO構造(空間群P4/nmm)を取ることを特徴とする鉄系超電導物質。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008282673A JP5376499B2 (ja) | 2008-11-04 | 2008-11-04 | 鉄系超電導物質 |
EP09824802.4A EP2361879B1 (en) | 2008-11-04 | 2009-11-04 | Iron-containing superconductive substance |
CN2009801437978A CN102203005A (zh) | 2008-11-04 | 2009-11-04 | 铁系超导物质 |
PCT/JP2009/068853 WO2010053103A1 (ja) | 2008-11-04 | 2009-11-04 | 鉄系超電導物質 |
US12/998,561 US8309494B2 (en) | 2008-11-04 | 2009-11-04 | Iron-based superconducting substance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008282673A JP5376499B2 (ja) | 2008-11-04 | 2008-11-04 | 鉄系超電導物質 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010111517A JP2010111517A (ja) | 2010-05-20 |
JP5376499B2 true JP5376499B2 (ja) | 2013-12-25 |
Family
ID=42152911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008282673A Expired - Fee Related JP5376499B2 (ja) | 2008-11-04 | 2008-11-04 | 鉄系超電導物質 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8309494B2 (ja) |
EP (1) | EP2361879B1 (ja) |
JP (1) | JP5376499B2 (ja) |
CN (1) | CN102203005A (ja) |
WO (1) | WO2010053103A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2447958B1 (en) * | 2009-06-05 | 2017-09-20 | National Institute for Materials Science | Iron-based superconducting wire and manufacturing method therefor |
JP5626991B2 (ja) * | 2011-01-18 | 2014-11-19 | 独立行政法人物質・材料研究機構 | 固相反応で合成したFeTe1−xSx化合物の超電導化方法 |
JP6210587B2 (ja) * | 2012-07-12 | 2017-10-11 | 公立大学法人首都大学東京 | BiS2系超伝導体 |
RU2538740C2 (ru) * | 2013-04-11 | 2015-01-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) | Способ синтеза монокристаллических тетрагональных теллуридов железа и теллуридов железа, легированных серой и/или селеном |
CN104649236B (zh) * | 2015-01-19 | 2017-02-22 | 东南大学 | 一种快速制备高质量FeSe0.5Te0.5超导多晶的方法 |
CN115125620B (zh) * | 2021-03-26 | 2023-07-28 | 清华大学 | 碲化铁的制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6417315A (en) * | 1987-07-10 | 1989-01-20 | Matsushita Electric Ind Co Ltd | Superconducting device |
JPS6417315U (ja) * | 1987-07-23 | 1989-01-27 | ||
JPH0864408A (ja) * | 1994-08-19 | 1996-03-08 | Fuji Elelctrochem Co Ltd | 永久磁石 |
NZ308348A (en) * | 1995-05-19 | 1998-09-24 | American Superconductor Corp | Multifilamentary superconducting composite, with multiple electrically decoupled domains |
US20040266628A1 (en) * | 2003-06-27 | 2004-12-30 | Superpower, Inc. | Novel superconducting articles, and methods for forming and using same |
US8055318B1 (en) * | 2008-04-23 | 2011-11-08 | Hypres, Inc. | Superconducting integrated circuit technology using iron-arsenic compounds |
IT1398934B1 (it) * | 2009-06-18 | 2013-03-28 | Edison Spa | Elemento superconduttivo e relativo procedimento di preparazione |
-
2008
- 2008-11-04 JP JP2008282673A patent/JP5376499B2/ja not_active Expired - Fee Related
-
2009
- 2009-11-04 WO PCT/JP2009/068853 patent/WO2010053103A1/ja active Application Filing
- 2009-11-04 CN CN2009801437978A patent/CN102203005A/zh active Pending
- 2009-11-04 US US12/998,561 patent/US8309494B2/en not_active Expired - Fee Related
- 2009-11-04 EP EP09824802.4A patent/EP2361879B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
JP2010111517A (ja) | 2010-05-20 |
EP2361879A1 (en) | 2011-08-31 |
US20110207610A1 (en) | 2011-08-25 |
CN102203005A (zh) | 2011-09-28 |
EP2361879A4 (en) | 2012-12-26 |
WO2010053103A1 (ja) | 2010-05-14 |
US8309494B2 (en) | 2012-11-13 |
EP2361879B1 (en) | 2016-01-27 |
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