Cobalt is a gray metal with metallic luster. Its physical and chemical properties are similar to those of iron and nickel, and it has good ferromagnetism and ductility.In recent years, with the rapid development of industry and science and technology, the

More

At present, power devices based on silicon materials have been approaching the theoretical limit determined by the characteristics of the materials themselves with the increasingly perfect structural design and manufacturing process. The third-generat

More

Molybdenum disilicide properties MoSi2 is an intermetallic compound of Dalton type with fixed composition.It is a kind of high temperature material with excellent properties because of its dual properties of metal and ceramics.Good high temperature ox

More

Molybdenum is a silvery white metal with Az type body - centered cubic crystal system.The thermal expansion coefficient of molybdenum is very low, the thermal conductivity of molybdenum is high, the resistivity of molybdenum is low, the hardness of mo

More

In 1893, Perovskite, named after the Russian mineralographer Lev Perovski, had the CaTiO3 formula. This new crystal was first discovered in the southern ural mountains.Perovskite is a new favorite of photovoltaic cells. Perovskite in condensed matter phys

More

As an important special refractory material, yttrium oxide (Y2O3) ceramics have good heat resistance, corrosion resistance and high temperature stability. It is an ideal crucible and mold container for the preparation of active metals and alloys (such as

More

Although GaN devices are gradually available in the communication base stations, it will take a long time for them to be used in ordinary mobile phones.Mobile operators are struggling to keep up with the explosive growth of data traffic.According to the p

More

As a magnetic metal nitride, manganese nitride has novel properties such as magnetism, abrasion resistance and zero expansion.For example, in the traditional steel smelting process, manganese nitride is often added to the alloy steel in the form of a inte

More

Nanomaterials are new materials with different properties from microscopic atoms, molecules and macroscopic materials. They have been widely used in electronics, chemical industry, aerospace and other industries.Nanogold is a small particle with a diamete

More

Since the 1920s and 1930s, when g. n. Lewis put forward the Lewis acid-base theory and laid the foundation for it, Lewis acid catalysts have developed rapidly.Lewis acid catalyst can make many organic reactions that could not be carried out or difficult t

More