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Abie @temptoetiam@eldritch.cafe
1y
Arrêtez tout j'ai compris un truc !
fr.wikipedia.org/wiki/Bande_interdite
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Abie @temptoetiam@eldritch.cafe
1y
"at extremely high pressures, all elements (and indeed all substances) are expected to metallize.[35] Arsenic (As) has both a stable metallic allotrope and a metastable semiconducting allotrope at standard conditions. A similar situation affects carbon (C): graphite is metallic, but diamond is not."
en.wikipedia.org/wiki/Metal
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Abie @temptoetiam@eldritch.cafe
1y
Bon la spécialiste dit que le graphite est un *quasi*métal.
Je cite "c'est le petit coquin de l'histoire".
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Abie @temptoetiam@eldritch.cafe
1y
Le graphène est conducteur à cause de son cône de Dirac, askip.
en.wikipedia.org/wiki/Dirac_cone
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Abie @temptoetiam@eldritch.cafe
1y
One of these things is not like the others :p
en.wikipedia.org/wiki/Graphene
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just_chill @just_chill@peculiar.florist
1y
@temptoetiam ah oui la fameuse méthode scotch tape !
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