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(Ba0.6Sr0.4)TiO3 (BST) is a well known ferroelectric material.SnTiO3 containing Sn2+ ions was estimated to show excellent ferroelectric properties through first principle calculations.1 Many studies have been focused on the synthesis of Sn-doped ceramics in BaTiO3 system,such as (Ba0.6Sr0.4)(Ti1-xSnx)O32,(Ba1-x-yCaxSny)TiO33.