<正>The method of conventional glass melting is used to study the glass formation region of Bi_2O_3-B_2O_3-TiO_2-La_2O_3 system.The instrument of Differential S
The structural,dielectric and piezoelectric properties of(1-x)(Bi 1/2 Na 1/2 )TiO 3 -xBaTiO 3 ceramics were investigated for the compositional range,x=0.02,0.04
<正>Yb~(3+)-Er~(3+) co-doped Na_2O-Al_2O_3-SiO_2-P_2O_5 glasses with different SiO_2 content have been fabricated and characterized.Absorption and emission spec