| http://www.w3.org/ns/prov#value | - Other substrates are also contemplated, including for example but not by way of limitation, gallium (such as gallium antimonide and gallium arsenide), indium (such as indium antimonide, indium arsenide and indium phosphide), and polycrystalline materials (such as polycrystalline gallium arsenide and polycrystalline indium phosphide).
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