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Company: SMART METAL LIMITED
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Date/Time:  5/3/18 9:46 GMT
 

Barium Strontium Titanate

Barium strontium titanate(BST)(BaSrTio3) Powder
MF: BaSrTio3
Appearance: White Powder

Application:
Barium strontium titanate is through the barium titanate (BaTiO3) and strontium
titanate (SrTiO3) high temperature solid instead should be, is SrTiO3 BaTiO3
and the crystallology infinite. BaTiO3 in ion displacement polarization and
electronic displacement polarization under the interaction of crystal a highly
polarized state, has the high dielectric constant. But for temperature has
significant BaTiO3 dependence.

SrTiO3 as a new multifunctional BaTiO3 ceramic materials, and has better
stability than the lower temperature, dielectric loss Angle (10-3-10-4), but
the dielectric constant (225-250) but with BaTiO3 (2 * 103 104) is a lot. In
order to overcome the disadvantages of their two materials, usually with Sr, Ba
BaxSr1 formed to replace part-xTiO3 system by adjusting the material that can
be satisfied value to x the performance requirements of capacitors ceramic
material.

Barium titanate structure as shown in figure, barium strontium titanate
(BaxSr1-xTiO3) structure and similar, typical also of perovskite phase
structure, just Sr2 + partially replaced Ba2 +. Larger Ba2 Sr2 + +, and the
position of the Angle of occupied, smaller Ti4 + occupy body the position of
the heart, six surfaces by heart is O2-is held. These oxygen ion form oxygen
octahedron, Ti4 + in the center. The crystals can be considered by oxygen
octahedron were connected to each vertex, oxygen octahedron space between the
Ba2 + / Sr2 + occupy, so Ba2 + / Sr2 Ti4 + + and the coordination number 12 and
6 respectively.

Minimum Order: 1 kilograms

Barium Strontium Titanate
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