New Structure for the Electron Highway
Researchers at the University of Würzburg have developed a topological insulator that works at higher temperatures, overcoming the limitation of functioning only at very low temperatures.
A topological insulator is a material that is a perfect insulator on the inside and does not conduct electricity, but behaves like an almost lossless "electron highway" at its edges, where electrons can move with almost no loss.
these highways have separate lanes for electrons with different "spins" – a kind of intrinsic angular momentum.
- Electrons with "spin-up" move in one direction
- Electrons with "spin-down" move in the opposite direction
This strict traffic regulation prevents collisions and thus energy losses.
Author's summary: New topological insulator works at higher temperatures.
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