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Nitrides, which are binary nitrogen compounds with less electronegative elements, are also known as metallic nitrides. The nitrides produced by the direct mixing of nitrogen and transition elements are known as metallic nitrides. The “mesenchymal compound” name is due to the fact that nitrogen atoms fill interstitial spaces in metal crystal structures. These compounds are similar in appearance, hardness and electrical conductivity to metals. They are usually hard, have high melting points, are chemically durable, and are electrically conductive. Nitrogen compounds like titanium, vanadium and zirconium are refractory. They also have some special features, including chemical corrosion resistance and heat resistance. TiN has a melting temperature of 2 930 to 2 950°C, making it an excellent conductor of electricity and heat. Superconductivity is achieved at low temperatures, and it’s used to make jet engines. ZrN, which is superconducting in low temperatures, is now used to make reactor materials.
Nitrogen is highly corrosive and forms a series nitrides that include ionic and covalent nitrides as well as metallic nitrides.
The ionic nitrides consisting of alkali metals and alkaline Earth metals have crystals dominated by their ionic bonds. Nitrogen elements are found in N3- which is also called saltlike nitrides. Li3N, at the moment, is all that’s used to make ionic nitrides. Li3N, a dark red solid with a hexagonal crystalline system and a melting temp of 813degC, is a dense solid. Simple synthesis with high ionic conducting properties. It is a solid lithium electrode that can be combined either with a liquid or granular form.
These nitrides consist of mainly covalent bonding. Compounds containing oxygen, VIIA-group elements and nitrogen should be called nitrogen oxides, or nitrogen halos. The covalent nitrides most widely used are those of the group IIIa elements and IVA (such as Bn and AlN). Diamond nitride is so called because its structural unit is the same as a tetrahedron. High hardness, melting point and chemical stability. They are mostly semiconductors or insulators. They are widely used in cutting instruments, high-temperature materials, microelectronics devices, luminous material and other fields.
These metallic nitrides are filled nitrides. Nitrides made by transition metals have nitrogen atoms located in the spaces between hexagonal or cubic metal lattices. The chemical formulas of these nitrides are not strictly stoichiometric and their compositions can vary within certain limitations. The majority of metal nitrides have a chemical formula Mn and are NaCl types. It is characterized by metallic lusters, good electrical conductivity and melting points, as well as wear resistance, corrosion resistance, and high hardness. It can be used in cutting materials as well as electrode materials and catalytic material.
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