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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F10%3A00022978%21RIV11-MSM-22310___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Limiting parameters for cuprate Bi(Pb)SrCaCuO and YBaCuO superconductors are critical current density, critical external magnetic field and critical temperature. Since technology of cooling of superconductors by liquid nitrogen is well mastered, crucial limiting parameter is critical current density (with critical field linked). For II. type superconductors (including cuprates) mixed state where magnetic field penetrates to the mass of superconductor exists. Magnetic flux penetrates in form of moving vortices. Vortices could he pinned on pieces of nonsuperconducting phase and such process increases critical current density of superconductor Possible pinning centres are nanoparticles in sizes to 10 nm but problem is chemical stability in material. In this work system of choosing of suitable materials has been developed. Firstly selected materials were tested to stability via thermodynamics calculations by using program FactSage. Two materials survived test and were tested experimentally In2O3 was not i Limiting parameters for cuprate Bi(Pb)SrCaCuO and YBaCuO superconductors are critical current density, critical external magnetic field and critical temperature. Since technology of cooling of superconductors by liquid nitrogen is well mastered, crucial limiting parameter is critical current density (with critical field linked). For II. type superconductors (including cuprates) mixed state where magnetic field penetrates to the mass of superconductor exists. Magnetic flux penetrates in form of moving vortices. Vortices could he pinned on pieces of nonsuperconducting phase and such process increases critical current density of superconductor Possible pinning centres are nanoparticles in sizes to 10 nm but problem is chemical stability in material. In this work system of choosing of suitable materials has been developed. Firstly selected materials were tested to stability via thermodynamics calculations by using program FactSage. Two materials survived test and were tested experimentally In2O3 was not i
dcterms:title
Nanoparticles and Superconductors Nanoparticles and Superconductors
skos:prefLabel
Nanoparticles and Superconductors Nanoparticles and Superconductors
skos:notation
RIV/60461373:22310/10:00022978!RIV11-MSM-22310___
n4:aktivita
n13:Z
n4:aktivity
Z(MSM6046137302)
n4:cisloPeriodika
2
n4:dodaniDat
n5:2011
n4:domaciTvurceVysledku
n6:4353811 n6:1674455
n4:druhVysledku
n14:J
n4:duvernostUdaju
n9:S
n4:entitaPredkladatele
n8:predkladatel
n4:idSjednocenehoVysledku
273631
n4:idVysledku
RIV/60461373:22310/10:00022978
n4:jazykVysledku
n16:eng
n4:klicovaSlova
Superconductor; Pinning centres; Nanoparticles
n4:klicoveSlovo
n11:Superconductor n11:Nanoparticles n11:Pinning%20centres
n4:kodStatuVydavatele
CZ - Česká republika
n4:kontrolniKodProRIV
[4D91505AC525]
n4:nazevZdroje
Ceramics-Silikáty
n4:obor
n15:CA
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:rokUplatneniVysledku
n5:2010
n4:svazekPeriodika
54
n4:tvurceVysledku
Bartůněk, Vilém Smrčková, Olga
n4:wos
000281915900009
n4:zamer
n17:MSM6046137302
s:issn
0862-5468
s:numberOfPages
5
n7:organizacniJednotka
22310