Answers

2014-03-11T11:46:30+05:30
By doping a topological insulator bismuth selenide with copper to form a copper layers, a topological super conductor is created.
topological insulator are materials with a bulk electronic band gap and gapless ,delocalized,surface states.
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2014-03-11T12:58:47+05:30
You have to cool it to a very cold temperature belo 10 K
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