Sodium Niobate Market: Overview

Sodium niobate is a naturally occurring white crystal. It is odorless and soluble in water, but insoluble in alcohol. Sodium niobate powder includes sodium niobate particles in the shape of a cuboid. Sodium niobate is a lead-free ceramic polymer material that exhibits piezoelectric property. In general, the piezoelectric properties of sodium niobate crystals can be demonstrated only after the temporary application of a strong electric field. The method of producing sodium niobate powder includes the holding of alkali dispersion liquid containing niobium and sodium component at 0.1 MPa pressure and temperature of 500°C to 700°C.

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This isolates solid matter from aqueous dispersion liquid. Some sodium niobate crystals also exhibit high mechanical quality and vibration levels, making them a promising replacement for high-power-resonance applications such as piezoelectric transformers and lead-based ceramics. Sodium niobate is used majorly in experimental and research-based applications. It is used comparatively less than its allied counterparts, sodium potassium niobate and lithium niobate.

Sodium niobate with lithium exhibits dielectric and pyroelectric properties with large thermal hysteresis. Sodium niobate is extensively used in gold mines, dyeing processes, chemical laboratories, oil field chemicals, and drilling fluids.

Sodium Niobate: Market Dynamics and Trends

Sodium niobate acts as a reactant or reagent for the preparation of niobium sodium strontium oxides, tin niobate, and triple layered Aurivillius phase photo catalysts. Alkaline niobates, such as sodium niobate with potassium, are considered lead-free substitutes of some of the most important ferroelectrics and piezoelectric such as lead zirconium titanium oxide. High curie temperatures and high electromechanical coupling coefficients are important properties of sodium niobate.

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Increasing awareness about environment and health threats of lead as well as environmental legislation around the world has targeted at decreasing the use of hazardous substances in electrical appliances and products has reinvigorated the race to develop lead-free alternatives to lead zirconate titanate (PZT), which presently dominates the market for piezoelectric materials. Emphasis has been placed on one of the most likely piezoelectric materials, potassium sodium niobate (KNN), as a lead-free replacement for PZT. Sodium potassium niobate has been speculated to have better environmental credentials and is considered “greener” replacement to PZT.