Tuning the top-seeded melt growth of REBCO single-domain superconducting bulks by a pyramid-like buffer stack
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F22%3A43924257" target="_blank" >RIV/60461373:22310/22:43924257 - isvavai.cz</a>
Alternative codes found
RIV/60461373:22810/22:43924257
Result on the web
<a href="https://reader.elsevier.com/reader/sd/pii/S027288422103488X?token=8753A07FF1AA12EA2A04FB01A75EA532E3ABC7C21AA386DB9062BC583492E9D9C0DC1055D94E46552F0DEFA24DED5D99&originRegion=eu-west-1&originCreation=20230104120759" target="_blank" >https://reader.elsevier.com/reader/sd/pii/S027288422103488X?token=8753A07FF1AA12EA2A04FB01A75EA532E3ABC7C21AA386DB9062BC583492E9D9C0DC1055D94E46552F0DEFA24DED5D99&originRegion=eu-west-1&originCreation=20230104120759</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.ceramint.2021.11.081" target="_blank" >10.1016/j.ceramint.2021.11.081</a>
Alternative languages
Result language
angličtina
Original language name
Tuning the top-seeded melt growth of REBCO single-domain superconducting bulks by a pyramid-like buffer stack
Original language description
In this contribution, the usage of a pyramid-like buffer stack for optimization of the top-seeded melt growth process of GdBCO (GdBa2Cu3O7-delta) single-domain superconductors is demonstrated. The process was optimized by the addition of SmBCO into GdBCO/Ag into the buffer precursor powder, which effectively increased the peritectic temperature of the final mixed powder in the pyramid-like buffer stack. As such, this approach can be also used for other REBCO systems by selecting rare earth with a higher peritectic temperature and adding it to the buffer pellets. The thermal behavior of the powders was studied by STA. This enables fast and effective crystal growth through the buffer stack and the formation of large effective seeds. This approach also allows for reliable and precise tuning of growth angle and together with effective seed size facilitates tuning of a-b to c sector ratio. The phase composition of precursors and prepared bulks were studied by XRD. The microstructure was also studied by SEM and OM in detail. Subsequently, levitation force and trapped field were measured. Results confirmed that the addition of at least a single buffer pellet improved the melt growth process significantly by acting as a large effective seed. Superconducting properties of the samples grown by pyramid-like buffer stack are superior in comparison to reference TSMG samples.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10402 - Inorganic and nuclear chemistry
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Ceramics International
ISSN
0272-8842
e-ISSN
1873-3956
Volume of the periodical
48
Issue of the periodical within the volume
4
Country of publishing house
US - UNITED STATES
Number of pages
9
Pages from-to
5377-5385
UT code for WoS article
000743260900002
EID of the result in the Scopus database
2-s2.0-85119087358