Study of NbB Addition on the Superconducting Behavior of MgB Bulks (2023)
- Authors:
- USP affiliated authors: RODRIGUES JUNIOR, DURVAL - EEL ; SILVA, LUCAS BARBOZA SARNO DA - EEL ; FERREIRA, PEDRO HENRIQUE ORMOND - EEL
- Unidade: EEL
- DOI: 10.1109/TASC.2023.3258910
- Assunto: SUPERCONDUTIVIDADE
- Keywords: MgB2 bulks; NbB2 addition; artificial pinning centers; superconducting characterization
- Agências de fomento:
- Language: Inglês
- Abstract: Due to its superconducting properties, MgB 2 materials are strategic for practical application as bulk, wire, tape, or cable. Recent work has shown that VB 2 additions introduce effective artificial pinning centers in the MgB 2 superconducting matrix, and an enhancement of its critical current density was observed. In this work we study the addition of NbB 2 in the production process of MgB 2 superconducting bulks and its influence on the superconducting behavior of the material. Different contents of additional NbB 2 , heat treatment profiles using continuous argon flux and hot isostatic pressing, different methods to compact the bulks, and their influences on the superconducting properties of MgB 2 are studied. As a result, the hot isostatic pressed samples reveal a denser and more homogeneous superconducting matrix. The addition of NbB 2 introduces randomly distributed clusters of NbB 2 in the MgB 2 superconducting matrix, which can act as effective artificial pinning centers.
- Imprenta:
- Source:
- Título: IEEE Transactions on applied superconductivity
- ISSN: 1051-8223
- Volume/Número/Paginação/Ano: v.33, n.5, p.1-5, 2023
- Status:
- Artigo possui versão em acesso aberto em repositório (Green Open Access)
- Versão do Documento:
- Versão submetida (Pré-print)
- Acessar versão aberta:
-
ABNT
SILVA, Lucas Barboza Sarno da e FERREIRA, Pedro Henrique O. e RODRIGUES JR., Durval. Study of NbB Addition on the Superconducting Behavior of MgB Bulks. IEEE Transactions on applied superconductivity, v. 33, n. 5, p. 1-5, 2023Tradução . . Disponível em: https://doi.org/10.1109/TASC.2023.3258910. Acesso em: 11 abr. 2026. -
APA
Silva, L. B. S. da, Ferreira, P. H. O., & Rodrigues Jr., D. (2023). Study of NbB Addition on the Superconducting Behavior of MgB Bulks. IEEE Transactions on applied superconductivity, 33( 5), 1-5. doi:10.1109/TASC.2023.3258910 -
NLM
Silva LBS da, Ferreira PHO, Rodrigues Jr. D. Study of NbB Addition on the Superconducting Behavior of MgB Bulks [Internet]. IEEE Transactions on applied superconductivity. 2023 ;33( 5): 1-5.[citado 2026 abr. 11 ] Available from: https://doi.org/10.1109/TASC.2023.3258910 -
Vancouver
Silva LBS da, Ferreira PHO, Rodrigues Jr. D. Study of NbB Addition on the Superconducting Behavior of MgB Bulks [Internet]. IEEE Transactions on applied superconductivity. 2023 ;33( 5): 1-5.[citado 2026 abr. 11 ] Available from: https://doi.org/10.1109/TASC.2023.3258910 - Estudo do envelhecimento de pastilhas supercondutoras de MgB2
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