AI Article Synopsis
- Researchers demonstrated how ionic liquids in an electronic double layer transistor (EDLT) can modulate the electrical properties of materials, particularly focusing on the LaAlO3/SrTiO3 interface.
- By adjusting the gate voltages, they achieved significant depletion of charge carriers, resulting in remarkable electron mobility reaching up to 19,380 cm²/(V s).
- Their findings suggest that using ionic liquids can enhance the performance of high-mobility oxide interfaces and facilitate quantum phenomena.
Article Abstract
Electric field effect in electronic double layer transistor (EDLT) configuration with ionic liquids as the dielectric materials is a powerful means of exploring various properties in different materials. Here, we demonstrate the modulation of electrical transport properties and extremely high mobility of two-dimensional electron gas at LaAlO3/SrTiO3 (LAO/STO) interface through ionic liquid-assisted electric field effect. With a change of the gate voltages, the depletion of charge carrier and the resultant enhancement of electron mobility up to 19 380 cm(2)/(V s) are realized, leading to quantum oscillations of the conductivity at the LAO/STO interface. The present results suggest that high-mobility oxide interfaces, which exhibit quantum phenomena, could be obtained by ionic liquid-assisted field effect.
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| http://dx.doi.org/10.1021/acsnano.6b00409 | DOI Listing |
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