Journal
JOURNAL OF PHYSICS D-APPLIED PHYSICS
Volume 49, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/49/2/025104
Keywords
scandia-ceria-stabilized zirconia electrolyte; electric-double-layer transistor; synergic proton gating
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Funding
- National Natural Science Foundation of China [11474293]
- National Program on key Basic Research Project [2012CB933004]
- Zhejiang Provincial Natural Science Foundation of China [LY14A040009]
- Youth Innovation Promotion Association CAS
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Scandia-ceria-stabilized zirconia (ScCeSZ) is one of the most important electrolytes used for solid oxide fuel cells. However, it has not been reported for applications in electrolyte gated transistors. Here, a high room-temperature proton conductivity of similar to 8 x 10(-3) S cm(-1) and a large electric-double-layer capacitance of similar to 1.5 mu F cm(-2) are observed for a tape-casted water-infiltrated ScCeSZ electrolyte. A laterally coupled indium-tin oxide transistor gated by such an electrolyte exhibits good electric performances at a low voltage of 1.5 V, such as the on/off ratio of above 1 x 10(5), mobility of 2.2 cm(2) Vs(-1) and subthreshold swing of similar to 160 mV/dec. Furthermore, unique synergic proton modulation behaviors are observed and AND logic operation is demonstrated. The laterally-coupled oxide transistors with synergic proton gating effects may find potential applications in chemical sensors and artificial neuromorphic devices.
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