12 research outputs found
Hochdrucksynthese neuer SiO2-analoger Nitride des Phosphors sowie neue Verfahren zur Darstellung von Metallaziden
Get PDFHochdrucksynthese von BaSr2P6N12 und BaCa2P6N12 und Strukturvergleich der Reihe BaP2N4, BaCa2P6N12 und BaSr2P6N12
No full textThe effect of high-pressure synthesis on flux pinning in MgB2-based superconductors
No full textInternational audienceIncreasing the pressure during manufacturing MgB2 enhances the volume pinning force and moves the position of the maximum to higher magnetic fields. A similar shift was observed when Ti or SiC was added and the maximum of the volume pinning force was found at higher fields in in situ synthesized materials than in ex situ sintered samples. We attribute the observed changes to MgâBâO oxygen-enriched regions and grains of higher magnesium borides in the MgB2 matrix. High-temperature processed materials demonstrated mainly point or mixed pinning while grain boundary pinning dominated after low-temperature synthesis
The effect of high-pressure synthesis on flux pinning in MgB2-based superconductors
No full textInternational audienceIncreasing the pressure during manufacturing MgB2 enhances the volume pinning force and moves the position of the maximum to higher magnetic fields. A similar shift was observed when Ti or SiC was added and the maximum of the volume pinning force was found at higher fields in in situ synthesized materials than in ex situ sintered samples. We attribute the observed changes to MgâBâO oxygen-enriched regions and grains of higher magnesium borides in the MgB2 matrix. High-temperature processed materials demonstrated mainly point or mixed pinning while grain boundary pinning dominated after low-temperature synthesis
Spark Plasma Synthesis and Sintering of Superconducting MgB<sub>2</sub>-Based Materials
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Prevalence of foramen arcuale and its clinical significance: a meta-analysis of 55,985 subjects
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Nitridosilicate und Oxonitridosilicate: von keramischen Materialien zu struktureller und funktioneller DiversitÀt
No full textNitridosilicates and Oxonitridosilicates: From Ceramic Materials to Structural and Functional Diversity
No full textNitridosilicates and Oxonitridosilicates: From Ceramic Materials to Structural and Functional Diversity
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