CA2138670A1 - Superconducting oxides by coprecipitation at constant ph - Google Patents

Superconducting oxides by coprecipitation at constant ph

Info

Publication number
CA2138670A1
CA2138670A1 CA 2138670 CA2138670A CA2138670A1 CA 2138670 A1 CA2138670 A1 CA 2138670A1 CA 2138670 CA2138670 CA 2138670 CA 2138670 A CA2138670 A CA 2138670A CA 2138670 A1 CA2138670 A1 CA 2138670A1
Authority
CA
Canada
Prior art keywords
superconducting
oxalates
solution
powder
oxalate
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.)
Abandoned
Application number
CA 2138670
Other languages
English (en)
French (fr)
Inventor
Atit Bhargava
David Page
Toru Yamashita
Ian Donald Richard Mackinnon
Stephen John Golden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Queensland UQ
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2138670A1 publication Critical patent/CA2138670A1/en
Abandoned legal-status Critical Current

Links

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
    • C04B35/4504—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 rare earth oxides
    • C04B35/4508—Type 1-2-3
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/18—Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
    • C01B13/185—Preparing mixtures of oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G29/00—Compounds of bismuth
    • C01G29/006—Compounds containing, besides bismuth, two or more other elements, with the exception of oxygen or hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00—Compounds of copper
    • C01G3/006—Compounds containing, besides copper, two or more other elements, with the exception of oxygen or hydrogen
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C55/00—Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms
    • C07C55/02—Dicarboxylic acids
    • C07C55/06—Oxalic acid
    • C07C55/07—Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/01—Crystal-structural characteristics depicted by a TEM-image
    • 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
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • 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
    • 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
    • C01P2006/42—Magnetic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
CA 2138670 1992-06-23 1993-06-22 Superconducting oxides by coprecipitation at constant ph Abandoned CA2138670A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPL308092 1992-06-23
AUPL3080 1992-06-23

Publications (1)

Publication Number Publication Date
CA2138670A1 true CA2138670A1 (en) 1994-01-06

Family

ID=3776236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2138670 Abandoned CA2138670A1 (en) 1992-06-23 1993-06-22 Superconducting oxides by coprecipitation at constant ph

Country Status (5)

Country Link
EP (1) EP0647207A4 (ja)
JP (1) JPH07509686A (ja)
CN (1) CN1089751A (ja)
CA (1) CA2138670A1 (ja)
WO (1) WO1994000385A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4100736B2 (ja) * 1996-09-27 2008-06-11 シャープ株式会社 非水系二次電池用正極活物質ニッケル酸リチウムの製造方法
DE19800168A1 (de) * 1998-01-06 1999-07-15 Aventis Res & Tech Gmbh & Co Verfahren zur Herstellung einer homogenen und stabilen Suspension aus Oxidvorprodukten
SE9900759D0 (sv) * 1999-03-02 1999-03-02 Muhammed Mamoun A method for producing nano-engineered precursors
CN100584519C (zh) * 2008-05-05 2010-01-27 西北有色金属研究院 一种Bi-2212/Ag超导带材的制备方法
TWI412569B (zh) * 2010-11-02 2013-10-21 Ind Tech Res Inst 接合材料、接合方法、與接合結構

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0791055B2 (ja) * 1987-07-31 1995-10-04 三菱マテリアル株式会社 複合金属酸化物の製法
US4804649A (en) * 1987-10-16 1989-02-14 Akzo America Inc. Alkaline oxalate precipitation process for forming metal oxide ceramic superconductors
US4839339A (en) * 1988-02-25 1989-06-13 The United States Of America As Represented By The United States Department Of Energy Superconductor precursor mixtures made by precipitation method

Also Published As

Publication number Publication date
WO1994000385A1 (en) 1994-01-06
EP0647207A1 (en) 1995-04-12
EP0647207A4 (en) 1996-02-21
JPH07509686A (ja) 1995-10-26
CN1089751A (zh) 1994-07-20

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Legal Events

Date Code Title Description
FZDE Discontinued
FZDE Discontinued

Effective date: 19970623