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this post was submitted on 08 Jul 2024
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Asklemmy
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Interesting. I knew they were semiconductors, but I didn't know they were also semimetals. Thanks for the details!
Yeah, there's a lot of overlap there. TBH I suspect semimetal is just what we called things in between the two electronic structures before we had quantum mechanics to explain it, but that's a guess.
Like I mentioned in my own reply, silicon is fairly metal-like physically, but it's hard and brittle like diamond above it on the periodic table, as opposed to being ductile like every true metal is to a degree (AFAIK).