Development of Batch Production of Low-Cost LREBa2Cu3Oy Bulk Superconductors
The world’s first report on batch production of LRE-123 bulk superconducting magnets
Research
Development of MgB2-Based Bulk Super-magnets
A simple and effective method has been developed to produce high performance and improved mechanical properties of sintered bulk MgB2 materials by adding the optimum silver amount, which is very important for future industrial applications as super-magnets. MgB2 samples with varying Ag contents of 0, 2, 4, 6, 8, and 10 wt% were sintered at …
Discovery of new class of superconducting silver-sheath Er-123 tape based on Er-210
The world’s first discovery report on RE-210 based RE-123 tape
Development of a small-size superconducting bulk magnet
The world’s first report on a portable and mobile permanent magnet system
The “Dense” Potential of Nanostructured Superconductors
Scientists use unconventional spark plasma sintering method to prepare highly dense superconducting bulk magnesium diboride with a high current density. Spark plasma sintering (SPS) is a process that uses high-pressure and pulsed electric current to turn powders into dense solids. In a recent study, a team of researchers used SPS to prepare bulk magnesium diboride …
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Keeping Bulk Magnesium Diboride Superconducting at Higher Current Densities
Researchers develop an optimized recipe for retaining superconductivity in bulk MgB2 by enhancing its critical current density. Magnesium diboride (MgB2) superconductors show great promise for large-scale applications. However, its critical current density (the current density above which superconductivity vanishes), Jc , at high magnetic fields in bulk form is not sufficiently high. An international research team has devised …
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The Sound of Water: New Refining Technique Makes Cheaper Superconductors A Reality
Researchers improve the performance of superconductors while reducing the cost using a novel refining technique for boron. Magnesium diboride (or MgB2) ceramic superconductors have garnered interest owing to their ease of fabrication, light weight, and low cost. However, a cheap and efficient technique for boron refinement is required before MgB2 superconductors can be produced widely …
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Thin Mica Shows Semiconducting Behavior, say Scientists in New Study
Mica, a well-known insulator, has been found to behave as a semiconductor when thinned down to a few molecular layers. Muscovite mica (MuM) is a highly stable mineral that is commonly used as an insulator. However, the electrical properties of single-layer and few-layered MuM are not well understood. Now, a group of researchers from Japan …
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Fabricating MgB2 Superconductors Using Spark Plasma Sintering and Pulse Magnetization
New research suggests that highly dense MgB2 bulks have improved mechanical and superconducting properties
On the Road to Practical, Low-cost Superconductors with Unexplored Materials
Researchers from Maryala Lab demonstrate advantages of use of high temperature superconductivity in a mixed rare-earth elements systems prepared using trending techniques