Large-sized La$lt;inf$gt;2$lt;/inf$gt;O$lt;inf$gt;3$lt;/inf$gt;-TiO$lt;inf$gt;2$lt;/inf$gt;-SiO$lt;inf$gt;2$lt;/inf$gt; Amorphous Oxide Fabricated by Hot Press Sintering

La 2 O 3 -TiO 2 -SiO 2 1, 2 , 2 , 2 , 1 , 2 , 3 , 3 (1. , 300130; 2. , , , 100190; 3. , 100190)