Silicon makes up 25.7% of the Earth's crust.Most of it is in the form of silicon dioxide,
also known as silica: Sand, amethyst, agate,quartz, rock crystal, chalcedony, flint, jasper,
and opal
Diamond cubic crystal structure.
less than
10-4 Torr ~ 10-11 Torr
3. W.T. Tsang, “From Chemical Vapor Epitaxy to Chemical Beam Epitaxy”. J. Cryst. Growth. 95, 121 (1989)
Russell Ohl in 1939, discovered the PN barrier and is generally recognized for patenting the modernsolar cell (US Patent 2402662, "Light sensitive device").
p side is higher doped.
Donors: group V Phosphorus (P) Arsenic (As)
Acceptors: group III Boron (B)Aluminium (Al)
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