Functional Devices from Bottom-Up Silicon Nanowires: A Review.

Area of Science:

• Materials Science
• Nanotechnology
• Electrical Engineering

Background:

• Silicon nanowires (SiNWs) offer unique electronic properties for advanced devices.
• Bottom-up fabrication enables precise control over SiNW structure and function.
• Understanding SiNW properties and integration is crucial for device development.

Purpose of the Study:

• To review essential aspects of fabricating functional devices from bottom-up silicon nanowires.
• To discuss nanowire and nanonet properties, manipulation techniques, and integration challenges.
• To highlight key technological elements and application areas for SiNW-based devices.

Main Methods:

• Review of existing literature on SiNW growth and manipulation techniques.
• Analysis of different SiNW device architectures and integration routes.
• Discussion of critical technological elements like sintering, surface engineering, and silicidation.

Main Results:

• SiNWs and nanonets exhibit distinct properties beneficial for various applications.
• Multiple manipulation techniques exist, each with specific advantages and disadvantages.
• Key integration challenges include nanowire positioning, surface/interface engineering, and silicidation.

Conclusions:

• Successful fabrication of functional SiNW devices relies on mastering manipulation and integration techniques.
• Optimizing surface/interface properties and employing silicidation are critical for device performance.
• SiNWs hold significant promise for diverse application areas in electronics.