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Graphene

by José Luis Lado
Graphene
for 14-19 and upwards,
Arts presentations | 14-19 and upwards | 1 year ago | 1672 views
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A magnetic tunnel junction is a device with two magnets separated by a very thin non-magnetic barrier. The two magnets can be aligned parallel or antiparallel. The electrical resistance of this devices depends on the alignment. This video illustrates....

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Quantum Spin Hall effect in graphene

by José Luis Lado
Quantum Spin Hall effect in graphene
for All ages,
Arts presentations | All ages | 1 year ago | 1663 views
Rating:

The quantum spin Hall effect is a topological state of matter characterized by sustaining gapless chiral edge states together with an insulating bulk. This phase can be triggered out by applying strong magnetic fields in a graphene sample

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