A new torsion resonator nanodevice for detecting twist developed
7 November 2008Measurement of twist or torque is important physical parameter for various applications and especially miniscale amount of torque produced in metallic nanowires can significantly change other physical parameters essentially required for a specific application. Researchers at Boston University in collaboration with researchers from various other countries have developed new nanodevice, which can detect miniscale twist or torque.
The device measures angular momentum of photon and gyromagnetic factors of metals with the help of a 6 micron version of gyroscope and the device is affective in measuring the torque produced by electrons while charging their spin-states. The new device is useful in many applications including measurement of untwisting of DNA, chemistry, biology, physics and spintronics.
The research is led by Raj Mohanty, Associate Professor of Physics at Boston University and the research finding has been published in a recent issue of “Nature Nanotechnology”. According to the researchers, the new device is fabricated by electron beam lithograpgy and nanomachining and will provide valuable information about many issues related to spin-dependent forces.
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