Beschreibung
It is likely that the variation in J with grain boundary misorientation is similar in all c high-T superconductors. Hence,thelow J observedinrandomlyorientedpolycr- c c tallineHTScanbeunderstoodonthebasisthatthepopulationoflowangleboundaries issmallandthatfrequenthighangleboundariesimpedelong-rangecurrent?ow. - ingconventionalprocessingtechniques,threeHTSmaterialsweresuccessfullyfab- catedinpolycrystallineformwithmodestJ 's. ThesearetheBi-2223powder-in-tube c conductors,theTl-1223spray-pyrolyzed?lmsandtheBi-2212melt-processedthick ?lms. Thesethreetypesofconductorscomprisedthe First-GenerationHTScond- torsorwires.
Autorenporträt
InhaltsangabeMethods to Produce Biaxially Textured Substrates.- IBAD Template Films for HTS Coated Conductors.- Epitaxial Superconductors on Rolling-Assisted-Biaxially-Textured-Substrates (RABiTS).- Inclined Substrate Deposition.- ISD by Thermal Evaporation.- Methods of YBa2Cu3O7?? Deposition and Related Issues.- Pulsed Laser Deposition of YBa2Cu2O7?? for Coated Conductor Applications: Current Status and Cost Issues.- Methods of HTS Deposition: Thermal Evaporation.- Sputtering of Y1Ba2Cu3O7??.- Pulsed Electron-Beam Deposition of High Temperature Superconducting Films for Coated Conductor Applications.- BaF2 Post-Deposition Reaction Process for Thick YBCO Films.- Issues and Progress Related to the Continuous Ex-Situ BaF2 Processing of Long-Length YBCO Coated Conductors.- Solution Deposition of Yba2Cu3O7?? Coated Conductors.- Non-Fluorine Based Bulk Solution Techniques to Grow Superconducting YBa2Cu3O7?? Films.- Jet Vapor Deposition for Continuous, Lowcost Manufacture of High Temperature Superconducting Tape.- Processing of Long-Length Tapes of High-Tempera Ture Superconductors by Combustion Chemical Vapor Deposition.- MOCVD Growth of YBCO Films for Coated Conductor Applications.- LPE Processing for Coated Conductor.- Deposition of Other HTS Materials.- Ex-Situ Processing of Ti-Containing Films.- Epitaxy of Hg-Based High-Tc Superconducting Thin Films.
