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Fluorine Grants White Graphene New Powers

Rice researchers turn common insulator into a magnetic semiconductor

Pure hexagonal boron nitride and fluorinated hexagonal boron nitride samples.

July 31, 2017 | Source: Rice University, news.rice.edu, 14 July 2017, Mike Williams

A little fluorine turns an insulating ceramic known as white graphene into a wide-bandgap semiconductor with magnetic properties. Rice University scientists said that could make the unique material suitable for electronics in extreme environments.

A proof-of-concept paper from Rice researchers demonstrates a way to turn two-dimensional hexagonal boron nitride (h-BN) – aka white graphene – from an insulator to a semiconductor. The magnetism, they said, is an unexpected bonus.