When SrCO3+Nb2O5 or SrNb2O6(+Nb2O5) is used as the reactant and an excessive amount of KCl is used as salt, needlelike KSr2Nb5O15 particles of large size are obtained
When SrCO3+Nb2O5 orSrNb2O6(+Nb2O5) is used as the reactant and an excessive amount of KCl is used as salt,needlelike KSr2Nb5O15 particles of large size are obtained