Magnetic Forces May Turn Some Nanontubes Into Metals

Research Documents First Instance of Band-gap Shrinkage in a Semiconductor

A new study, published in today’s issue of the journal Science, finds that the basic electrical properties of semiconducting carbon nanotubes change when they are placed inside a magnetic field. The phenomenon is unique among known materials, and it could cause semiconducting nanotubes to transform into metals in even stronger magnetic fields.

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<p><a href="http://www.physorg.com/news111.html">Magnetic Forces May Turn Some Nanontubes Into Metals</a></p> <p><i>Research Documents First Instance of Band-gap Shrinkage in a Semiconductor</i> <br /> <br />A new study, published in today’s issue of the journal Science, finds that the basic electrical properties of semiconducting carbon nanotubes change when they are placed inside a magnetic field. The phenomenon is unique among known materials, and it could cause semiconducting nanotubes to transform into metals in even stronger magnetic fields.</p>