abstract |
PREPARATION OF FERROELECTRIC CERAMIC, REFRACTORY OXIDE, COMPOSITIONS BY MIXING A METAL ALKAOXIDE WITH A QUATERNARY AMMONIUM HYDROXIDE TO OBTAIN A SOLUTION CONTAINING A SOLUBLE METAL COMPLEX ION, THEREAFTER MIXING A METAL SALT WITH SAID SOLUTION TO FORM A PRECIPITATE, FILTERING THE PRECIPITATE AND CALCINING THE PRECIPITATE TO SAID REFRACTORY OXIDE COMPOSITION. |