“An aerogel is a porous network of silica strands with diameters of a few nanometres.”
“A recess is formed in the silica layer that is aligned with an active area within the semiconductor substrate.”
“As the pH of water glass is lowered, colloidal particles of amorphous silica are formed.”
silicyne
an allotrope of silicon, consisting of a long chain of silicon atoms linked together with either (1) disilene units [...=Si=Si=Si=...] or (2) disilyne units [...–Si≡Si–Si≡Si–... ]