NDLI: Formation of colonies of locally aligned grains during thallination of spray-pyrolyzed Ba/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/ thick films

Content Provider	IEEE Xplore Digital Library
Author	Goyal, A. Specht, E.D. Kroeger, D.M. Tkacyzk, J.E. Briant, C.L. DeLuca, J.A.
Copyright Year	2002
Abstract	Recent microstructural studies of high-J/sub c/, Tl-1223, spray-pyrolyzed thick films have shown that the high J/sub c/ and reduced weak-link behavior can be ascribed to the presence of a unique microstructure, wherein the film is divided into "colonies" of biaxially aligned regions. In an effort to understand the nucleation and growth of Tl-1223 as well as the formation of the "colony" microstructure, several sets of films quenched from various stages of the high-temperature thallination process were examined using electron microscopy, X-ray diffraction and electron backscatter diffraction (EBSP). It is found that the crystallization of the 1223 phase is associated with formation of a liquid phase which contains significant amounts of all oxides. X-ray micro-diffraction measurements show that the 1223 phase crystallizes in an aligned manner. Studies of films very early into the thallination process show that local biaxial alignment or the formation of colonies starts to occur at the onset of 1223 crystallization. In addition, it appears that the structure within colonies is a function of the processing conditions employed. This presents the possibility for further optimization of the microstructure to attain improved superconducting properties.<>
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1950
Ending Page	1953
Page Count	4
File Size	643725
File Format	PDF
ISSN	10518223
Volume Number	5
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spraying X-ray diffraction Microstructure Electrons Backscatter Crystallization High temperature superconductors Superconducting films Thick films Furnaces
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Transport critical current densities in bulk Tl/sub 2/Ba/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/ and polycrystalline-thin-film Tl/sub 2/Ba/sub 2/Ca/sub 1/Cu/sub 2/O/sub x/: dependence on microstructure and neutron irradiation damage

Sputter Deposition and Thallination of Ti-Ba-Ca-Cu-O Superconducting Thin Films

Superconducting Tl-Pb-Ba-Sr-Ca-Cu-O(Ag) thick films (5-20 /spl mu/m) prepared using a commercial spray pyrolysis system and 2-zone furnace annealing

Alignment of high-T/sub c/ superconductor Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub z/ thick film in magnetic field

Synthesis and properties of superconducting (Tl,Pb)-(Sr,Ba)-Ca-Cu-O thick films on Ag

Growth of Hg/sub 0.8/Pb/sub 0.2/Ba/sub 2/Ca/sub 2/Cu/sub 3/O/sub 8+/spl delta// thick films on Ag using a modified process route

Preparation of thin films of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-x/ by magnetron sputtering techniques

Superconducting properties of Tl-Ba-Ca-Cu-O films on silver substrates

Microwave surface resistance measurements of air-atomised spray deposited Tl-Ba-Ca-Cu-O thick films

Formation of colonies of locally aligned grains during thallination of spray-pyrolyzed Ba/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/ thick films

Similar Documents

Transport critical current densities in bulk Tl/sub 2/Ba/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/ and polycrystalline-thin-film Tl/sub 2/Ba/sub 2/Ca/sub 1/Cu/sub 2/O/sub x/: dependence on microstructure and neutron irradiation damage

Sputter Deposition and Thallination of Ti-Ba-Ca-Cu-O Superconducting Thin Films

Superconducting Tl-Pb-Ba-Sr-Ca-Cu-O(Ag) thick films (5-20 /spl mu/m) prepared using a commercial spray pyrolysis system and 2-zone furnace annealing

Alignment of high-T/sub c/ superconductor Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub z/ thick film in magnetic field

Synthesis and properties of superconducting (Tl,Pb)-(Sr,Ba)-Ca-Cu-O thick films on Ag

Growth of Hg/sub 0.8/Pb/sub 0.2/Ba/sub 2/Ca/sub 2/Cu/sub 3/O/sub 8+/spl delta// thick films on Ag using a modified process route

Preparation of thin films of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-x/ by magnetron sputtering techniques

Superconducting properties of Tl-Ba-Ca-Cu-O films on silver substrates

Microwave surface resistance measurements of air-atomised spray deposited Tl-Ba-Ca-Cu-O thick films

Formation of colonies of locally aligned grains during thallination of spray-pyrolyzed Ba/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/ thick films