Organic Light-Emitting Diode (IMAGE)
Caption
An organic light-emitting diode, or OLED, glows orange when electrical current flows through it. University of Utah physicists used this kind of OLED -- basically a plastic LED instead of a conventional silicon semiconductor LED -- to show that they could read the subatomic 'spins' in the center or nuclei of hydrogen isotopes and use those spins to control current to the OLED. It is a step toward 'spintronic' devices such as faster computers, better data storage and more efficient OLEDs for TV, computer and cell phone displays.
Credit
Andy Brimhall, University of Utah Marketing and Communications.
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