Basic properties and preparation methods of yttrium nitride YN powder

Overview of yttrium nitride YN powder

Yttrium nitride is an inorganic compound. It is a blue-purple crystal with metallic luster and metallic conductivity in the standard state. It belongs to the cubic system, the space group Fm2m, and the unit cell parameter is 0.4878nm. Yttrium nitride decomposes in water; it can also be oxidized when heated in air. YN has a cubic structure of NaCl, and the chemical bond between Y-N is ionic.

Preparation of yttrium nitride YN powder

1. The yttrium nitride powder can be obtained directly from the elemental compounding, but this method will reduce the purity of the product due to the trace oxides contained in the raw materials.

2. Prepared by reacting yttrium hydride and ammonia in a two-step process. First, the rare earth metal yttrium is used to form the hydride, and then the crystal form changes, the volume becomes larger, the texture is crisp, and the characteristics are easy to grind, and the yttrium hydride powder with different particle sizes (0.38-0.038mm) is made; the yttrium hydride powder is dehydrogenated at 750°C After the vacuum degree reaches 1×10-3Pa, high-purity nitrogen is directly introduced, and the temperature is gradually increased to 1000°C to generate yttrium nitride powder.

Application of yttrium nitride YN powder

Yttrium Nitride (YN) is a promising semiconductor for metal/semiconductor superlattice thermoelectric applications. Like titanium nitride and zirconium nitride, it is a hard ceramic material. In addition, the lattice structure of YN is only 8% different from that of GaN, which allows YN to act as a buffer layer between the substrate and the GaN layer during the growth of the GaN crystal. In addition, yttrium nitride has semiconductor properties.

Rare earth nitrides have a very high melting point and are very stable at high temperatures.

1. Yttrium nitride powder can be used in the tantalum powder metallurgy process to improve the processing performance of tantalum powder.

2. Used in high temperature ceramics of oxides and nitrides.

Yttrium Nitride YN Powder price

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As a global yttrium nitride YN powder supplier, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (molybdenum disilicide, lanthanum nitride (LaN powder, calcium silicide, iron boride), high-purity targets, functional ceramics and structural devices, and provides OEM services.