Process and apparatus for preparing textured crystalline materials using anisotropy in the paramagnetic susceptibility

Holloway, Aleksey

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Title: Process and apparatus for preparing textured crystalline materials using anisotropy in the paramagnetic susceptibility

Abstract

The present invention discloses a process and apparatus for forming textures in materials. The process comprises heating a material having an anisotropy in the paramagnetic or diamagnetic susceptibility within a magnetic field. The material is heated to a temperature approaching its melting point while a magnetic field of at least 10.sup.4 Oe is simultaneously applied. The process and apparatus produce highly textured bulk and elongated materials with high current densities below critical superconducting temperatures.

Inventors:

Holloway, Aleksey ^[1]

522 N. 32nd St., Omaha, NE 68131

Issue Date:: 1992-01-01

Research Org.:: Ames Laboratory (AMES), Ames, IA; Iowa State Univ., Ames, IA (United States)

OSTI Identifier:: 868119

Patent Number(s):: 5079225

Application Number:: 07/492,746

Assignee:: Holloway, Aleksey (522 N. 32nd St., Omaha, NE 68131)

Patent Classifications (CPCs):: C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

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C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
C04B35/45 - based on copper oxide or solid solutions thereof with other oxides
C04B35/653 - Processes involving a melting step

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S505/727 - using magnetic field
Y10S505/729 - Growing single crystal, e.g. epitaxy, bulk
Y10S505/742 - Annealing

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DOE Contract Number:: W-7405-ENG-82

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: process; apparatus; preparing; textured; crystalline; materials; anisotropy; paramagnetic; susceptibility; discloses; forming; textures; comprises; heating; material; diamagnetic; magnetic; field; heated; temperature; approaching; melting; 10; simultaneously; applied; produce; highly; bulk; elongated; current; densities; below; critical; superconducting; temperatures; crystalline materials; superconducting temperatures; crystalline material; current densities; magnetic field; process comprises; comprises heating; produce highly; paramagnetic susceptibility; superconducting temperature; /505/117/

Citation Formats


                    Holloway, Aleksey. Process and apparatus for preparing textured crystalline materials using anisotropy in the paramagnetic susceptibility.  United States: N. p., 1992. 
        Web.

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                    Holloway, Aleksey. Process and apparatus for preparing textured crystalline materials using anisotropy in the paramagnetic susceptibility.  United States.

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                    Holloway, Aleksey. Wed .  
        "Process and apparatus for preparing textured crystalline materials using anisotropy in the paramagnetic susceptibility".  United States.  https://www.osti.gov/servlets/purl/868119.

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@article{osti_868119,

  title        = {Process and apparatus for preparing textured crystalline materials using anisotropy in the paramagnetic susceptibility},

  author       = {Holloway, Aleksey},

  abstractNote = {The present invention discloses a process and apparatus for forming textures in materials. The process comprises heating a material having an anisotropy in the paramagnetic or diamagnetic susceptibility within a magnetic field. The material is heated to a temperature approaching its melting point while a magnetic field of at least 10.sup.4 Oe is simultaneously applied. The process and apparatus produce highly textured bulk and elongated materials with high current densities below critical superconducting temperatures.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1992},

  month        = {1}

}

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Works referenced in this record:

TRANSPORT CRITICAL CURRENT IN BULK SINTERED Y ₁ Ba ₂ Cu ₃ O _x AND POSSIBILITIES FOR ITS ENHANCEMENT*
journal, July 1987

Ekin, J. W.
Advanced Ceramic Materials, Vol. 2, Issue 3B
https://doi.org/10.1111/j.1551-2916.1987.tb00122.x

Anisotropy of the superconducting magnetic field Hc2 of a single crystal of TmBa2Cu3O7−δ
journal, September 1987

Noel, H.; Gougeon, P.; Padiou, J.
Solid State Communications, Vol. 63, Issue 10
https://doi.org/10.1016/0038-1098(87)90339-5

Aligned Sintered Compacts of RBa ₂ Cu ₃ O _7−x (R=Dy, Er, Eu, Gd, Ho, Y)
journal, January 1987

Arendt, R. H.; Gaddipati, A. R.; Garbauskas, M. F.
MRS Proceedings, Vol. 99
https://doi.org/10.1557/PROC-99-203

Field Dependence of Meissner Effect in a Single Crystal of YBa ₂ Cu ₃ O _x in the Ultra-Low Magnetic Field Regime
journal, January 1987

Krusin-Elbaum, L.; Malozemoff, A. P.; Yeshurun, Y.
MRS Proceedings, Vol. 99
https://doi.org/10.1557/PROC-99-221

Mechanical and high‐temperature (920 °C) magnetic field grain alignment of polycrystalline (Ho,Y)Ba ₂ Cu ₃ O _7−δ
journal, April 1989

Lusnikov, A.; Miller, L. L.; McCallum, R. W.
Journal of Applied Physics, Vol. 65, Issue 8
https://doi.org/10.1063/1.342710

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Title: Process and apparatus for preparing textured crystalline materials using anisotropy in the paramagnetic susceptibility

Abstract

Citation Formats

TRANSPORT CRITICAL CURRENT IN BULK SINTERED Y 1 Ba 2 Cu 3 O x AND POSSIBILITIES FOR ITS ENHANCEMENT* journal, July 1987

Anisotropy of the superconducting magnetic field Hc2 of a single crystal of TmBa2Cu3O7−δ journal, September 1987

Aligned Sintered Compacts of RBa 2 Cu 3 O 7−x (R=Dy, Er, Eu, Gd, Ho, Y) journal, January 1987

Field Dependence of Meissner Effect in a Single Crystal of YBa 2 Cu 3 O x in the Ultra-Low Magnetic Field Regime journal, January 1987

Mechanical and high‐temperature (920 °C) magnetic field grain alignment of polycrystalline (Ho,Y)Ba 2 Cu 3 O 7−δ journal, April 1989

TRANSPORT CRITICAL CURRENT IN BULK SINTERED Y ₁ Ba ₂ Cu ₃ O _x AND POSSIBILITIES FOR ITS ENHANCEMENT*
journal, July 1987

Anisotropy of the superconducting magnetic field Hc2 of a single crystal of TmBa2Cu3O7−δ
journal, September 1987

Aligned Sintered Compacts of RBa ₂ Cu ₃ O _7−x (R=Dy, Er, Eu, Gd, Ho, Y)
journal, January 1987

Field Dependence of Meissner Effect in a Single Crystal of YBa ₂ Cu ₃ O _x in the Ultra-Low Magnetic Field Regime
journal, January 1987

Mechanical and high‐temperature (920 °C) magnetic field grain alignment of polycrystalline (Ho,Y)Ba ₂ Cu ₃ O _7−δ
journal, April 1989