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Magnesium Diboride Powder Used As Superconducting Material

2018-11-22      View:

Magnesium diboride is a simple binary compound belonging to the hexagonal system, AIB2 type simple hexagonal structure, which contains a layer B similar to graphite, there is a hexagonal closely packed Mg atomic layer between the two B atomic layers, the Mg atom is at the center of the hexagon formed by the B atom.


In 2002, both the US Science magazine and China's Science and Technology Daily listed the discovery of MgB2 superconducting properties as one of the world's top ten science and technology news in 2001. It is the simplest and stable metal compound superconducting material with the highest critical temperature found so far, and it is also a more promising superconducting material.


MgB2 superconductor has the characteristics of small transmission loss, small size, light weight and high efficiency. It can be widely used in the development of a new generation of superconducting transformers, superconducting cables, superconducting machines, superconducting magnetic separation devices, and super Superconducting applications such as magnetic levitation trains and nuclear magnetic resonance imagers.


MgB2 superconductors have very bright application prospects. For example, a large critical current can provide strong electrical transport, and a large coherence length will be suitable for preparing better superconducting quantum interference devices and high-quality microwave devices. The more superior feature is that it is much more ductile than oxide superconductors and is easy to form.