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Efficient integration of Gd‐2411‐W artificial pinning in single‐direction melt‐grown GdBCO/Ag bulks in high amounts.

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Title: Efficient integration of Gd‐2411‐W artificial pinning in single‐direction melt‐grown GdBCO/Ag bulks in high amounts.
Authors: Chmel, Oskar1 (AUTHOR), Jankovský, Ondřej1,2 (AUTHOR), Hlásek, Tomáš1,2 (AUTHOR), Lojka, Michal1,2 (AUTHOR), Sedmidubský, David1 (AUTHOR), Šimonová, Petra1,3 (AUTHOR), Antončík, Filip1,2 (AUTHOR) Filip.Antoncik@vscht.cz
Source: Journal of the American Ceramic Society. Sep2025, Vol. 108 Issue 9, p1-16. 16p.
Subjects: Superconductors, Critical currents, Crystal growth, Homogeneity, Melting
Abstract: To increase the application potential of superconducting materials, their key properties, such as critical current density, trapped field, and overall homogeneity, must be improved. It is long established that these properties can be enhanced by pinning phase addition. However, the innate fragility of top‐seeded melt growth has prohibited a substantial amount of pinning from being added to bulks grown by top‐seeded melt growth. Due to its robustness, the newly developed single‐direction melt growth (SDMG) method should allow the integration of significantly higher mass concentrations into the superconducting matrix. For the GdBCO/Ag system, the Gd‐2411‐W (Gd2Ba4Cu2‒xWxO12‒ẟ) pinning phase was selected and integrated into the superconducting matrix in 0%, 1%, 2%, 3%, 5%, 7.5%, 10%, and 13% mass concentration. While such a high concentration of pinning would negatively impact superconducting properties, it is astonishing that it did not significantly impede crystal growth. In the sample containing 3 wt.% pinning phase, a significant increase in the maximum trapped field (over 35%) was observed compared to the reference without a pinning phase. In addition, high trapped field homogeneity typical for SDMG‐grown bulks was observed in all prepared samples. The obtained results show the extreme robustness of the SDMG growth and hint at enormous potential for SDMG‐grown bulks containing high amounts of artificial pinning. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Efficient integration of Gd‐2411‐W artificial pinning in single‐direction melt‐grown GdBCO/Ag bulks in high amounts.
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  Data: <searchLink fieldCode="AR" term="%22Chmel%2C+Oskar%22">Chmel, Oskar</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jankovský%2C+Ondřej%22">Jankovský, Ondřej</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hlásek%2C+Tomáš%22">Hlásek, Tomáš</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lojka%2C+Michal%22">Lojka, Michal</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sedmidubský%2C+David%22">Sedmidubský, David</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Šimonová%2C+Petra%22">Šimonová, Petra</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Antončík%2C+Filip%22">Antončík, Filip</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> Filip.Antoncik@vscht.cz</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+American+Ceramic+Society%22">Journal of the American Ceramic Society</searchLink>. Sep2025, Vol. 108 Issue 9, p1-16. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Superconductors%22">Superconductors</searchLink><br /><searchLink fieldCode="DE" term="%22Critical+currents%22">Critical currents</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+growth%22">Crystal growth</searchLink><br /><searchLink fieldCode="DE" term="%22Homogeneity%22">Homogeneity</searchLink><br /><searchLink fieldCode="DE" term="%22Melting%22">Melting</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To increase the application potential of superconducting materials, their key properties, such as critical current density, trapped field, and overall homogeneity, must be improved. It is long established that these properties can be enhanced by pinning phase addition. However, the innate fragility of top‐seeded melt growth has prohibited a substantial amount of pinning from being added to bulks grown by top‐seeded melt growth. Due to its robustness, the newly developed single‐direction melt growth (SDMG) method should allow the integration of significantly higher mass concentrations into the superconducting matrix. For the GdBCO/Ag system, the Gd‐2411‐W (Gd2Ba4Cu2‒xWxO12‒ẟ) pinning phase was selected and integrated into the superconducting matrix in 0%, 1%, 2%, 3%, 5%, 7.5%, 10%, and 13% mass concentration. While such a high concentration of pinning would negatively impact superconducting properties, it is astonishing that it did not significantly impede crystal growth. In the sample containing 3 wt.% pinning phase, a significant increase in the maximum trapped field (over 35%) was observed compared to the reference without a pinning phase. In addition, high trapped field homogeneity typical for SDMG‐grown bulks was observed in all prepared samples. The obtained results show the extreme robustness of the SDMG growth and hint at enormous potential for SDMG‐grown bulks containing high amounts of artificial pinning. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1111/jace.20678
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      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 1
    Subjects:
      – SubjectFull: Superconductors
        Type: general
      – SubjectFull: Critical currents
        Type: general
      – SubjectFull: Crystal growth
        Type: general
      – SubjectFull: Homogeneity
        Type: general
      – SubjectFull: Melting
        Type: general
    Titles:
      – TitleFull: Efficient integration of Gd‐2411‐W artificial pinning in single‐direction melt‐grown GdBCO/Ag bulks in high amounts.
        Type: main
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            NameFull: Chmel, Oskar
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            NameFull: Jankovský, Ondřej
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            NameFull: Hlásek, Tomáš
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            NameFull: Lojka, Michal
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            NameFull: Sedmidubský, David
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            – D: 01
              M: 09
              Text: Sep2025
              Type: published
              Y: 2025
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              Value: 108
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