Question

Since 2020, this element is the most popular dopant for silicon in PERC (“perk”) modules, since it greatly lessens light-induced degradation. Ions of this element are typically used in focused ion beams that can edit circuits. Companies like EPC and Navitas are using a wide bandgap compound containing this non-gaseous element to make cutting edge power ICs. This is the third of four elements in the name of a material that, like (-5[1])cadmium (-5[1])telluride, (15[1])is a major kind of thin-film solar cell. (15[2])Akasaki and Amano used a sapphire substrate to grow this element’s (*) nitride, enabling the Nobel (10[1])Prize-winning creation of blue LEDs. (10[2])This is the main alternative to boron as a dopant for p-type semiconductors. After silicon, the second-most popular semiconductor (-5[1])is this element’s arsenide. For 10 points, name this metal that might have uses in soft electronics since it melts at body temperature. ■END■ (10[3])

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