Is Magnesium Diboride MgB2 a Superconductor?

(Is Magnesium Diboride MgB2 a Superconductor?)

Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest “resignation wave” in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this year, more than 4 million people in the United States have voluntarily resigned each month. In August, the number of resignations exceeded 4.27 million, and in November, it rose to 4.4 million. The operation of society is linked. The large number of departures in the United States has led to a large shortage of labor; and the shortage of a large number of labor has directly led to the supply chain crisis in the United States; the supply chain crisis has directly affected prices and prices in the United States. The economy has a direct effect on people’s lives.The economic downturn will affect the market demand for MgB2 powder.

Introduction to Magnesium Boride MgB2 PowderMagnesium diboride or magnesium boride is an inorganic compound with the chemical formula MgB2. It is a dark gray, insoluble solid.  The compound is of interest because it becomes superconducting at 39 K (-234 °C). In terms of its composition, MgB2 is significantly different from most low-temperature superconductors, which are mainly transition metals. The superconductivity mechanism is mainly described by BCS theory. Is Magnesium Diboride MgB2 a Superconductor?The superconducting properties of magnesium diboride were discovered in 2001.Its critical temperature (Tc) is 39 K (-234°C; -389°F), which is the highest among conventional superconductors. This is unusual in conventional (phonon-mediated) superconductors.  Its electronic structure allows for the existence of two distinct types of electrons at the Fermi level, one of which (sigma-bonding) is more superconducting than the other (Pi-bonding).  This contradicts the usual phonon-mediated superconductivity theory, which assumes that all electrons behave in the same way. The theoretical understanding of MgB2 characteristics can be almost realized by modeling two energy gaps.In 2001, it was thought to act more like a metal than a cuprate superconductor.   

Magnesium Boride MgB2 Powder Properties

Other Names
magnesium boride powder, MgB2

CAS No.
12007-25-9

Compound Formula
MgB2

Molecular Weight
45.927

Appearance
gray to black powder

Melting Point
830°C

Boiling Point
N/A

Density
2.57g/cm3

Solubility in H2O
N/A

Exact Mass
46.003653

Magnesium Diboride MgB2 Powder CAS 12007-25-9

 Related Elements of MgB2:Boron:Boron (atomic symbol: B, atomic number:5) is a p-block element of group 13 of period 2, with an atomic weight of 10.81. Each boron layer has 2,3 electrons, and its electron configuration is [He] 2s2, 2p1. The boron atom has a radius of 90pm, and the van der Waals radius is 192pm. Boron is classified as a metal-like substance that does not naturally occur on Earth. The element boron, along with carbon and nitrogen, is one of the few elements in the periodic table known to form stable triple bond compounds. The bandgap of boron ranges from 1.50 to 1.56 eV, which is higher than that of silicon and germanium. Magnesium:Magnesium (atomic symbol Mg, atomic number 12) is the second group S element of period 3, with an atomic mass of 24.3050. The shell electron number of magnesium is [2,8,2] and the electron configuration is [Ne] 3s2. The radius of the magnesium atom is 160pm, and the van der Waals radius is 173pm. Magnesium is the eighth-most abundant element in the earth’s crust and the fourth most common on the entire planet. Elemental Magnesium In its elemental form, magnesium has a shiny gray metallic appearance and is a very reactive substance. It can be found in minerals such as brucite, carnallite, dolomite, magnesite, olivine, and talc. Commercially, magnesium is mainly used in the manufacture of strong and light aluminum-magnesium alloys, which have many advantages in industrial applications. Main Supplier of Magnesium Boride MgB2 PowderLuoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and Nanomaterials, including silicon powder, nitride powder, graphite powder, zinc sulfide, calcium nitride, 3D printing powder, etc.If you are looking for high-quality magnesium boride MgB2 powder, please feel free to contact us and send an inquiry. ([email protected]) 

Prior to the impact of COVID-19 on the chemicals and materials industry and the price of the MgB2 powder, many industry observers expected low to flat growth in 2021 in all regions outside Asia, with many countries seeing slower growth compared to recent years. Operational excellence has long been a hallmark of the MgB2 powder chemical industry, and many companies are financially able to withstand short-term dips in end-market demand due to rapid leverage from reduced capex on hand.

The analysis shows that, whatever the final course of the pandemic, we can expect the inevitable long-term effects. Workplaces are expected to slowly return to pre-COVID-19 practices. Companies investing in enterprise-wide digital initiatives saw these “payoffs” in the early pandemic environment. For more information about MgB2 powder, please feel free to contact us.

(Is Magnesium Diboride MgB2 a Superconductor?)