Barium Titanate (BaTiO3) Nanoparticles - Properties, Applications

Nanoparticles research over the years has revealed that nanoparticles have many unique properties, such as toughness, ductility, increased electrical conductivity, increased hardness and strength of metals and alloys, formability of ceramics, and luminescent efficiency of semiconductors.

This article discusses the properties and applications of barium titanate nanoparticles. Barium titanate is the inorganic compound. Barium is a Block P, Period 5 element, titanate is Block D, Period 4 element, and oxygen is a Block P, Period 2 element.

Barium titanate nanoparticles appear as white powder. Barium titanate nanoparticles are graded as harmful especially if swallowed or inhaled.

Chemical Properties

The chemical properties of barium titanate nanoparticles are outlined in the following table.

Chemical Data
Chemical symbol BaTiO3
CAS No. 12047-27-7
Group Barium 2
Titanium 4
Oxygen 16
Electronic configuration Barium [Xe] 6s2
Titanium [Ar] 3d2 4s2
Oxygen [He] 2s2 2p4
Chemical Composition
Element Content (%)
Barium 58.9
Titanium 20.5
Oxygen 20.6

Physical Properties

The physical properties of barium titanate nanoparticles are given in the following table.

Properties Metric Imperial
Density 5.85 g/cm3 0.211lb/in3
Molar mass 444.23 g/mol -

Thermal Properties

The thermal properties of barium titanate nanoparticles are provided in the table below.

Properties Metric Imperial
Melting point 1625 °C 2957°F

Manufacturing Process

Barium titanate nanoparticles can be manufactured using several methods such as injection-hydrolysis, peptide assisted precipitation, hydrothermal/solvothermal synthesis, and thermal decomposition.

Applications

The key applications of barium titanate nanoparticles are listed below:

  • In the field of specific electronic ceramics such as PTC, MLCC, and microwave dielectric ceramic
  • As nanoscale modules for the assembly of electronic devices, such as detectors, capacitors, and sensors
  • In multifunctional structural capacitors where the material elements have to simultaneously carry load and store energy
  • In high-density optical data storage
  • In phase conjugated mirrors and lasers
  • In nonlinear optical devices
  • In pattern recognition, and micro-capacitors
  • In optical computing, optical image processing, piezoelectric devices, pyroelectric sensors, semiconductive ceramics, varistors, electro-optic devices
  • In dielectric amplifiers and dynamic holography.

Source: AZoNano

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