Ultrasonic Technology Can Reduce The Cost of Magnesium Diboride Superconductors

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Magnesium diboride (MgB2) This is an ionic complex with a hexagonal crystalline structure. It is an intercalation-type compound, with alternate layers of magnesium or boron.
Researchers have found that the temperature at which magnesium boride transforms into a high-temperature superconductor is slightly below the absolute temperature of 233degC (40K). Its temperature of transition is about twice that of superconductors with the same type.

Many practical applications already exist for superconductivity such as magnetic levitation and medical imaging. Superconductors can be used in many other fields of technology, including medical imaging and magnetic levitation trains.

Magnesium diboride (MgB2) has been a magnet for researchers ever since it was discovered. It is a superconductor which offers many advantages. It is lightweight and easy to process, can be made out of a variety of pre-materials. The total cost of magnesium boride will therefore be reduced.

Superconductors are characterized by their critical current densities (Jc). However, it’s very difficult to increase MgB2’s Jc in an economical manner.

In a recent paper published in Materials Science and Engineering (B) (Materials Science and Engineering), researchers from Shibaura Institute of Technology, Japan have developed a new technology that uses ultrasound treatment to improve mass. MgB2Jc.

Ultrasonic waves can be used to evenly disperse the solution. The hexane can then be vaporized and removed to obtain a fine boron, which will then be sintered with the magnesium to create magnesium boride.

Researchers produce high-quality magnesium boride in bulk, the majority of which are free of oxidizing impurities. Depending on the time of sonication, the Jc values increased by up to 20% compared with the reference sample.
A second mechanism for Jc enhancement was also discovered by scanning electron microscopes and energy dispersive-X-ray spectrums. The team discovered a layered structure on the boron-deficient por walls. This appeared to consist of a magnesium boronoxide coating.

Researchers say that this will reduce the cost and technical difficulty of superconductors. It will also make it easier to use for the public, particularly in the medical sector.

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