Good Vibrations: Using Terahertz Radiation to Control Material Properties

A collaboration led by researchers with the U.S. Department of Energy’s Lawrence Berkeley National Laboratory has used molecular vibrations, triggered by ultrafast pulses of terahertz radiation, to change a manganite crystal from an electrical insulator into a conductor. The ability to induce dramatic phase-changes in solid materials through select vibrations holds great promise for future exploitation of prized technological phenomena such as superconductivity and magnetoresistance.

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<p><a href="http://www.physorg.com/news110471926.html">Good Vibrations: Using Terahertz Radiation to Control Material Properties</a></p> <p>A collaboration led by researchers with the U.S. Department of Energy’s Lawrence Berkeley National Laboratory has used molecular vibrations, triggered by ultrafast pulses of terahertz radiation, to change a manganite crystal from an electrical insulator into a conductor. The ability to induce dramatic phase-changes in solid materials through select vibrations holds great promise for future exploitation of prized technological phenomena such as superconductivity and magnetoresistance. <br></p>