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Updated: May 29, 2026

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Atomically Traceable Nanostructure Fabrication
Published on: July 17, 2015
Ultrahigh throughput silicon nanomanufacturing by simultaneous reactive ion synthesis and etching
Yi Chen1, Zhida Xu, Manas R Gartia
1Micro and Nanotechnology Laboratory, Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.
ACS Nano
|September 23, 2011
Summary
Researchers developed a novel nanofabrication method, simultaneous plasma enhanced reactive ion synthesis and etching (SPERISE), enabling rapid, low-cost, and wafer-scale production of nanostructures at room temperature.
Area of Science:
- Materials Science
- Nanotechnology
- Plasma Physics
Background:
- One-dimensional nanostructures are crucial for electronics, photonics, and energy applications.
- Current nanofabrication relies on separate top-down or bottom-up methods.
- Existing techniques often involve complex, costly, and time-consuming processes.
Purpose of the Study:
- To introduce a novel, single-step nanofabrication technique.
- To demonstrate simultaneous atomic addition and subtraction.
- To enable ultrahigh-throughput, lithography-less nanomanufacturing.
Main Methods:
- Simultaneous plasma enhanced reactive ion synthesis and etching (SPERISE).
- A concurrent top-down and bottom-up approach.
- Room-temperature, wafer-scale processing.
Main Results:
- Achieved rapid, low-cost manufacturing of nanostructures.
- Demonstrated high-density, high-uniformity nanocone arrays on silicon.
- Successfully fabricated structures on single crystalline, polycrystalline, and amorphous silicon.
Conclusions:
- SPERISE offers a unique, efficient method for nanomanufacturing.
- The approach is adaptable for various solid-state materials.
- This technique paves the way for next-generation nanodevices.

