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Indium phosphide (InP) is a binary semiconductor composed of indium and phosphorus.
I 9193 (OTTO) Indium phosphide substrates, <100>, semi insulating, contains iron as dopant, diam. × thickness 50.5 mm × 350 μm Cas 22398-80-7 - used as a substrate for epitaxial indium gallium arsenide based opto-electronic devices.