Abstract and Keywords
This article discusses nanoionics phenomena and their applications for making new types of electronic devices. It begins with an overview of ionic conductive materials, which are classified into two categories in terms of the charged particles: solid electrolytes in which only ions contribute to the current flow, and mixed electronic and ionic conductors in which bothelectrons and ions contribute to the current flow. It then describes the solid electrochemical reaction that controls metal-filament growth and shrinkage in an atomic switch, along with the fundamentals of an atomic switch. It also considers new types of atomic switches and several applications of atomic switches. Finally, it highlights some novel characteristics of the atomic switch such as small size, low power consumption, non-volatility, and low on-resistance. These characteristics enable us to improve the performance of present-day electronic devices.
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