Do you know what kinds of nitrides are?


Aug 4, 2023

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Overview of Nitrides Nitrides, which are binary nitrogen compounds with less electronegative elements, are also known as metallic nitrides. The nitrides produced by the direct mixture 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, high temperature resistance, and hardness. TiN has a melting temperature of 2 930 to 2 950°C, which makes 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.
Lonic nitride
The nitrides that are formed from alkali metals and alkaline Earth metals belong to the ionic group, which is characterized by crystals dominated by ionic interactions. Nitrogen elements are found in N3- which is also referred to as salt-like 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 liquid or a solid.
Covalent nitrides
These nitrides consist of mainly covalent bonding. Compounds containing oxygen, VIIA-group elements, and elements of nitrogen should be called nitrogen oxides, or nitrogen halos. The covalent nitrides most widely used are those containing group IIIa elements and IVA (such Bn, AlN GaN InN C3N4 Si3N4). Diamond nitride gets its name from the similarity of its structure to the diamond 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.
Metallic nitride
These metallic nitrides are filled nitrides. Nitrides made by transition metal elements have nitrogen atoms located between hexagonal or cubic metal lattices. The chemical formulas of these nitrides are not strictly stoichiometric and their compositions can vary within certain limitations. Most metal nitrides have a chemical formula Mn and are of NaCl type. It is characterized by metallic lusters, high electrical conductivity and melting points, corrosion resistance, wear resistance, and high hardness. It can be used in cutting materials as well as electrode materials, catalyst materials, etc.
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