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Building blocks for integrated graphene circuits.

Denis A Areshkin1, Carter T White

  • 1George Washington University, Washington, DC 20052, USA. denis.areshkin@nrl.navy.mil

Nano Letters
|July 31, 2007
PubMed
Summary
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We designed graphene structures for nanoelectronics, including turns and splitters that minimize signal reflection. Different connection shapes offer control over signal reflectance in graphene nanocircuits.

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanoelectronics

Background:

  • Single-layer graphite, known as graphene, offers unique electronic properties for advanced applications.
  • Carbon-based nanoelectronics require efficient designs for signal transmission and manipulation.

Purpose of the Study:

  • To report defect-tolerant configurations for graphene-based nanoelectronic components.
  • To investigate designs for nearly reflectionless 120-degree turns and beam splitters in graphene.

Main Methods:

  • Investigated configurations for graphene nanostructures.
  • Analyzed the reflectance properties of different connection shapes between graphene strips.

Main Results:

  • Developed defect-tolerant designs for nearly reflectionless 120-degree turns in graphene.

Related Experiment Videos

  • Achieved nearly reflectionless symmetric and asymmetric splitters that can be fabricated from graphene.
  • Demonstrated that connection geometry dictates low or high reflectance for zigzag graphene strips.

    • Conclusions:

    • Graphene can be patterned into functional nanoelectronic components with controlled signal behavior.
    • The reported configurations offer pathways for efficient signal routing in graphene nanoelectronic circuits.