Barium titanate Overview
Chemical name: Barium titanate
Synonym: BTO, BT
CAS No.: 12047-27-7
Formula: BaO3Ti
EINECS No.:234-975-0
Molecular weight: 233.19
Category: electronic ceramics
Barium titanate Properties
| Item (Pure BTO) | Specification | Test method |
| Moisture | ≤0.25% | 8min.at 120℃(MJ33) |
| LOI | ≤0.30% | 2hr. at 1200℃(LH30/13) |
| D90 | 1.0~2.0 Um | PSD(Mastersizer 2000)IR:2.4 |
| D50 | 0.5~1.0 Um | PSD(Mastersizer 2000)IR:2.4 |
| D10 | 0.3~0.6Um | PSD(Mastersizer 2000)IR:2.4 |
| Specific SurfaceArea | 1.8~2.5 m^2/g | BET(3H-BET2000-M) |
| A/B ratio (Ba/Ti) | 0.9950~1.0000 | XRF(S8) |
Barium titanate Use
Capacitors
Barium titanate is a ferroelectric material in the production of capacitors, especially multilayer ceramic capacitors (MLCCs).
It has a high dielectric constant, allowing for the storage of a significant amount of electrical energy in a small volume.
MLCCs are commonly found in electronic devices such as smartphones, computers, televisions, and automotive electronics.
Piezoelectric Devices
Barium titanate’s piezoelectric properties make it useful in various applications.
Piezoelectric materials generate an electric charge when subjected to mechanical stress and vice versa.
Barium titanate-based piezoelectric devices are used in sensors, actuators, ultrasonic transducers, and acoustic devices like microphones and speakers.
Electroceramics
Barium titanate is employed in the production of electroceramic components, including resonators, filters,
and oscillators used in telecommunications and electronic circuits.
Its high dielectric constant, low loss, and temperature stability make it suitable for these applications.
Ferroelectric Memories
Due to its ferroelectric properties, barium titanate is a material in non-volatile ferroelectric random-access memories (FeRAMs).
FeRAMs combine the advantages of fast access times and non-volatility. It allows for high-speed data storage and retrieval in electronic devices.
Electro-Optical Devices
The high dielectric strength and resistance to electrical breakdown of barium titanate makes it suitable for use in high-voltage insulators.
In power transmission and distribution systems, barium titanate is a insulate conductors carrying high voltages.
High Voltage Insulators
Barium titanate’s high dielectric strength and resistance to electrical breakdown make it suitable for use in high-voltage insulators.
It is used in power transmission and distribution systems to support and insulate conductors carrying high voltages.
Energy Harvesting
Barium titanate has piezoelectric properties,which makes it a candidate for energy harvesting applications.
It can convert mechanical vibrations and kinetic energy into electrical energy.
It is potential in self-powered sensors, wearable devices, and low-power electronics.
Packaging
25kg/bag
Storage
Far away water.
