Mobility enhancement of SnO2 nanowire transistors gated with a nanogranular SiO2 solid electrolyte
Literature Information
Field-effect transistors (FETs) based on semiconducting nanowires are the most fundamental electronic elements for exploring charge transport as well as possible applications in functional nanoelectronics. Here, we report the effect of different gate dielectrics on the electrical performance of SnO2 nanowire FETs. By using solid-electrolytes with large electric-double-layer (EDL) capacitance as gate dielectrics, both low-voltage operation and high gating efficiency can be obtained. Electrical transport measurements indicate that the nanowire FETs gated by solid-electrolytes show improved electrical performances in terms of on-current, sub-threshold swing, and mobility, in comparison to those gated by traditional thermally grown dielectrics. The observed performance improvement is possibly due to the reduction of the contact-resistance and the Schottky barrier at the semiconductor/metal junctions.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.














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