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Related Concept Videos

Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and the...
Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
Measurements of Strain01:27

Measurements of Strain

Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain gauge...

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Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
07:44

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems

Published on: April 28, 2016

Tip-enhanced Raman spectroscopy for nanoscale strain characterization.

Alvarado Tarun1, Norihiko Hayazawa, Satoshi Kawata

  • 1Nanophotonics Laboratory, RIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.

Analytical and Bioanalytical Chemistry
|April 22, 2009
PubMed
Summary

Tip-enhanced Raman spectroscopy (TERS) offers nanoscale insights into silicon device strain. This review explores TERS

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Last Updated: Jun 23, 2026

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Spectroscopy

Background:

  • Tip-enhanced Raman spectroscopy (TERS) leverages localized optical fields for vibrational spectrum analysis.
  • TERS is effective for characterizing advanced silicon and next-generation semiconductor devices, including quantum dots.
  • Vibrational spectrum analysis provides material identification and strain distribution insights in semiconductors.

Purpose of the Study:

  • To review the potential of TERS for nanoscale strain characterization in silicon devices.
  • To highlight the application of TERS in analyzing strain in semiconductor materials.
  • To discuss the challenges associated with obtaining strain spectroscopic images in actual strained silicon devices.

Main Methods:

  • Tip-enhanced Raman spectroscopy (TERS) is the primary technique discussed.
  • TERS utilizes the strong localized optical field at a metallic tip apex.
  • Spectroscopic imaging is employed for strain analysis.

Main Results:

  • TERS successfully probes the vibrational spectrum of state-of-the-art silicon and next-generation semiconductor devices.
  • TERS provides insights into strain distributions within semiconductor materials.
  • The review focuses on the challenges of TERS application in real-world strained silicon devices.

Conclusions:

  • TERS is a powerful tool for nanoscale strain characterization in silicon devices.
  • Further research is needed to overcome challenges in imaging strain in actual devices.
  • TERS holds significant potential for the future of semiconductor analysis.