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Reversible doping: Hydrogen flips switch on vanadium oxide
Date:5/21/2012

s hydrogen doping is unique in that it is completely reversible: To remove the hydrogen, the material simply has to be baked in an oven at moderate temperature.

"On the applied side, there may be a number of applications for this, like ultrasensitive hydrogen sensors," Natelson said. "But the more immediate payoff will likely be in helping us to better understand the physics involved in the VO2 phase transition. If we can find out exactly how much hydrogen is required to shut down the transition, then we will have a knob that we can turn to systematically raise or lower the temperature in future experiments."


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Contact: David Ruth
david@rice.edu
713-348-6327
Rice University
Source:Eurekalert

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