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To develop their defect-free fibres, the NTU-led team selected pairs of common semiconductor material and synthetic material -- a silicon semiconductor core with a silica glass tube and a germanium core with an aluminosilicate glass tube.

The internal layer is 0.5mm to 1.1mm thick and is made of aluminosilicate.

When Kresge and colleagues published their work, materials known as zeolites — crystalline aluminosilicate compounds with uniform pores usually less than 2 nm in diameter — had long been used as catalysts in petroleum refining and for molecular separations.

Aluminosilicate can hold helium for 20,000 years.

When I came to Princeton in 1992 as a chemistry glassblower, I began working with a ghastly kind of glass called aluminosilicate, which is used for halogen lamps.