… Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive …
Explanatory notes
… their resistivity lies in the range between that of conductors (metals) and that of insulators. They consist, for instance, of certain ores (e.g., crystal … tetravalent chemical elements (germanium, silicon, etc.) or combinations of chemical elements (e.g., trivalent and …