Introduction of three types of nitride powder


Sep 1, 2023

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The binary compound nitride is made up of nitrogen and an element which has a lower electronegativity. Nitrogen, which has a high electronegativity can form a number of nitrides when combined with other elements that have fewer electronegativity. This includes ionic nitrides as well as covalent and metal Nitrides. onic nitride
Nitrides that are formed from alkali metals or alkaline Earth metal elements have ionic bonding, their crystals consist mainly of ionic compounds, and nitrogen is found in the form N3+, also called salt-like nitrides. Li3N, the only ionic nitride currently used, is a deep red solid. Li3N belongs to the hexagonal crystalline system and is a red solid with a density of 1.27g/cm3 as well as a melting point 813degC. It is very easy to synthesize, and it has a good ionic conductivity. It can be combined either with liquids or solids. Coexistence of Lithium is one of best solid lithium electrodes currently available.

Covalent nitride
Covalent nitrides are formed when group IIIAVIIA element are combined. The majority of their crystals consist of covalent bonding. Nitrogen oxides and nitrogen halos are the correct names for compounds that oxygen, group VIIIA elements and nitrogen form. Covalent nitrides (such as AlN, GaN and InN) are the most commonly used. Its structural unit is the same as a diamond tetrahedron, and so is known as class Diamond nitride. They are hard, have a high melting temperature, and exhibit good chemical stability. The majority of them are semiconductors or insulators. They are widely used for cutting tools and high-temperature ceramics.

Metal nitride
These nitrides form by transition metals belong to the metallic nitrides. The nitrogen atoms in these nitrides can also be called infill nitrides. The composition of this nitride type can vary, as the chemical formula does not have a stoichiometric relationship. Most metal-types nitrides have a NaCl type of structure and their chemical formula is the MN type. In general, it is a metal-like material with properties such as high conductivity and hardness, high melting points, wear resistance resistance, corrosion resistant, etc. It has many applications in the fields of cutting materials as well as electrode materials and catalyst materials.

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