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LEAD-FREE PIEZOCERAMIC MATERIAL BASED ON BISMUTH SODIUM TITANATE (BST)

HENNIG EBERHARD / KYNAST ANTJE / TÖPFER MICHAEL / HOFMANN MICHAEL

The invention relates to a lead-free piezoceramic material based on bismuth sodium titanate (BST) having the following parent composition: x(Bi0.5Na0.5)TiO3-yBaTiO3-zSrTiO3 where x+y+z=1 and 0<1, characterized by addition of a phosphorus-containing material in a quantity that gives a phosphorus concentration of from 100 to 2000 ppm in the piezoceramic material.

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LEAD-FREE PIEZOCERAMIC MATERIAL BASED ON BISMUTH SODIUM TITANATE (BST)

HENNIG EBERHARD / KYNAST ANTJE / TÖPFER MICHAEL / HOFMANN MICHAEL

The invention relates to a lead-free piezoceramic material based on bismuth sodium titanate (BST) having the following parent composition: x(Bi0.5Na0.5)TiO3-yBaTiO3-zSrTiO3 where x+y+z=1 and 0<1, characterized by addition of a phosphorus-containing material in a quantity that gives a phosphorus concentration of from 100 to 2000 ppm in the piezoceramic material.

LEAD-FREE PIEZOCERAMIC MATERIAL BASED ON BISMUTH SODIUM TITANATE (BST)

HENNIG EBERHARD / KYNAST ANTJE / TÖPFER MICHAEL / HOFMANN MICHAEL

The invention relates to a lead-free piezoceramic material based on bismuth sodium titanate (BST) having the following parent composition: x(Bi0.5Na0.5)TiO3-yBaTiO3-zSrTiO3 where x+y+z=1 and 0<1, characterized by addition of a phosphorus-containing material in a quantity that gives a phosphorus concentration of from 100 to 2000 ppm in the piezoceramic material.

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Title:

LEAD-FREE PIEZOCERAMIC MATERIAL BASED ON BISMUTH SODIUM TITANATE (BST)

Contributors:

HENNIG EBERHARD (author) / KYNAST ANTJE (author) / TÖPFER MICHAEL (author) / HOFMANN MICHAEL (author)

Publication date:

2019-10-24

Type of media:

Patent

Type of material:

Electronic Resource

Language:

English

Classification:

IPC: C04B Kalk , LIME / H10N

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