Bismuth sodium barium titanate, potassium sodium niobate (BNT-BT-KNN, BNKBTN) Powder

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BNT-BT-KNN is supplied as fine, white submicron powder with a chemical purity > 99% (Phase pure by XRD).

This material data has been provided by Cerpotech.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts




Specific surface area

10 - 15 m²/g

Show Supplier Material materials with Specific surface area of 10 - 15 m²/g

Technological properties

Application areas

energy harvesting, lead-free piezoelectric, actuator, electro caloric cooling device, high strain application, energy storage, transducer, sensor

Chemical composition

(1-x-y)Bi0.5Na0.5TiO3 + xBaTiO3 + yK0.5Na0.5NbO3; Bi0.45Na0.48K0.01Ba0.06Ti0.98Nb0.02O3


Fine, white powder

Processing history

Cerpotech applies spray pyrolysis, a soft chemistry technique with a great potential, to produce high quality, multi-component ceramic oxide powders. With this aqueous-based environmentally friendly technology, Cerpotech is able to offer fine complex ceramic oxide powders of tailored compositions with high phase purity, high chemical purity, very high homogeneity, narrow particle distribution, offering excellent properties for further processing at competetive prices.