Al2O3-SiO2-TiO2-ZrO2 supported membranes were prepared by Sol-Gel method. These composite ceramic membranes are level, even and no macro crack. There exist seve
<正>Long lasting phosphorescence (LLP) and photo-stimulated long lasting phosphorescence (PSLLP) were observed in Tb~(3+)-doped strontium borosilicate glasses.T