[HTML][HTML] Structural and magnetic properties of La-doped strontium-hexaferrites ceramics obtained by spark-plasma sintering

E Govea-Alcaide, J Matilla-Arias, F Guerrero… - Journal of Magnetism …, 2021 - Elsevier
Polycrystalline samples of Sr 1− x La x Fe 12 O 19 (x= 0.1, 0.3, and 0.6) hexaferrite were
prepared by spark-plasma sintering (SPS) and its structural and magnetic properties have …

10 to 25-fold increase in the transport superconducting critical current density of spark-plasma sintered Bi-2223 superconductors

E Govea-Alcaide, IF Machado, RF Jardim - Journal of Applied Physics, 2015 - pubs.aip.org
Pre-reacted powders of (Bi-Pb) 2 Sr 2 Ca 2 Cu 3 O 10+ δ (Bi-2223) were consolidated by
using the spark plasma sintering (SPS) technique under vacuum and at two different …

Highly dense and textured superconducting (Bi, Pb) 2Sr2Ca2Cu3O10+ δ ceramic samples processed by spark-plasma texturing

L Pérez-Acosta, E Govea-Alcaide, JG Noudem… - Ceramics …, 2016 - Elsevier
Consolidated powders of the superconducting cuprate Bi 1.65 Pb 0.35 Sr 2 Ca 2 Cu 3 O 10+
δ (Bi-2223) by the spark-plasma texturing (SPT), spark-plasma sintering (SPS), and the …

[HTML][HTML] The spatial distribution of temperature and oxygen deficiency in spark-plasma sintered superconducting Bi-based materials

E Govea-Alcaide, JE Pérez-Fernández… - Physica B: Condensed …, 2014 - Elsevier
Pre-reacted powders of (Bi–Pb) 2 Sr 2 Ca 2 Cu 3 O 10+ δ (Bi-2223) were consolidated by
using the spark plasma sintering (SPS) technique under vacuum and at different consolidate …

Effects of Lanthanum on Structural and Magnetic Properties of Sr1−xLaFe12O19 Compounds: Theoretical and Experimental Results

J Matilla-Arias, E Govea-Alcaide… - … of Superconductivity and …, 2019 - Springer
Pre-reacted powders of M-type strontium hexaferrites with chemical composition Sr 1− x La
2 3 x _23x Fe 12 O 19 (x= 0.1, 0.2, 0.3 0.5, 0.6) were obtained from the conventional solid …

Influence of spark plasma consolidation conditions on the superconducting properties of (Bi, Pb)-Sr-Ca-Cu-O ceramic samples

F Rosales-Saiz, L Pérez-Acosta, IF Machado… - Ceramics …, 2016 - Elsevier
The influence of different plungers/die materials for the synthesis of (Bi, Pb) 2 Sr 2 Ca 2 Cu 3
O 10+ δ (Bi-2223) superconductors via the spark plasma sintering SPS method and by using …

Electrical transport anisotropy of uniaxial polycrystalline samples and the effective medium approximation: An application to HTS

A Cruz-García, P Muné - Physica C: Superconductivity and its Applications, 2016 - Elsevier
In this paper we have applied the effective medium approximation (EMA) to a polycrystalline
sample made up of uniaxial crystallites with similar behavior to the high critical temperature …

Spark plasma sintering consolidation of Bi1. 65Pb0. 35Sr2Ca2Cu3010+ δ ceramic samples

E Govea-Alcaide, IF Machado… - Journal of Physics …, 2014 - iopscience.iop.org
Pre-reacted powders of (Bi-Pb) 2 Sr 2 Ca 2 Cu 3 O 10+ δ (Bi-2223) were consolidated by
using the spark plasma sintering (SPS) technique under vacuum and at different …

Spark Plasma Sintering of Bi1.65Pb0.35Sr2Ca2Cu3O10+δ Superconducting Samples: Evaluation of Microstructure and Mechanical Properties

I García-Fornaris, I Calzada, E Govea-Alcaide… - … of Superconductivity and …, 2015 - Springer
Powders of single-phase Bi 1.65 Pb 0.35 Sr 2 Ca 2 Cu 3 O 10+ δ (Bi-2223) were
consolidated by the spark plasma sintering (SPS) method at 750∘ C. The SPS samples …

Bulk superconductors textured and densified by Spark Plasma Sintering

JG Noudem, L Dupont, P Bernstein - MRS Online Proceedings …, 2015 - cambridge.org
In this contribution, we report progress in the preparation of superconducting materials made
by Spark Plasma Sintering (SPS). On the one hand, the fabrication process was optimized in …