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Fundstück am Rande Insulator or superconductor? a MIT Harvard team finds graphene double sheets are both .....have found that graphene, a lacy, honeycomb-like sheet of carbon atoms, can behave at two electrical extremes: as an insulator, in which electrons are completely blocked from flowing; and as a superconductor, in which electrical current can stream through without resistance. When rotated at a "magic angle," graphene sheets can form an insulator or a superconductor. .................. http://news.mit.edu/2018/graphene-insulator-superconductor-0… |
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| aus der Diskussion: | American Superconductor AMSC |
| Autor (Datum des Eintrages): | bezzz (11.03.18 19:29:25) |
| Beitrag: | 253 von 277 (ID:57247564) |
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