Methods of heat treating barium titanate-based particles and compositions formed from the same

A method of processing barium titanate-based particles comprising:

• forming a coating on surfaces of barium titanate-based particles to produce coated barium titanate-based particles having an average specific surface area;
• and
• reducing the average specific surface area of the coated barium titanate-based particles by heating the coated barium titanate-based particles.

A method of processing barium titanate-based particles comprising:

• forming a dopant coating on surfaces of barium titanate-based particles to produce coated barium titanate-based particles;
• and
• promoting at least partial diffusion of the dopant into the barium titanate-based particles.

A coated barium titanate particle comprising:

• a primary particle comprising barium titanate and having an average primary particle size of less than about 0.5 micron;
• and
• a dopant coating disposed on the primary particle wherein the coated barium titanate particle exhibits a BET surface area of less than about 5.6 m2/g.

Coated barium titanate particles comprising:

• primary particles comprising barium titanate;
• and
• a dopant coating disposed on the primary particles wherein the dopant is at least partially diffused into the primary particles.