Related Experiment Video
Updated: Jul 13, 2026
07:44
Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
Published on: April 28, 2016
Raman spectroscopy of advanced materials.
1Laboratoire de Spectroscopie Moléculaire et Cristalline, Université Bordeaux I, 351, cours Libération, F-33405, Talence, France.
Analytical and Bioanalytical Chemistry
|June 1, 1996
Summary
Raman micro-spectroscopy reveals micro-structural details of advanced materials, impacting their physical properties. This technique is valuable for developing new carbons, diamonds, superconductors, and semiconductors.
Area of Science:
- Materials Science
- Spectroscopy
- Solid State Physics
Background:
- Advanced materials possess unique micro-structural characteristics that dictate their physical properties.
- Understanding these relationships is crucial for both academic research and industrial applications.
Purpose of the Study:
- To demonstrate the potential of Raman micro-spectroscopy for elucidating micro-structural aspects of advanced materials.
- To showcase the application of this technique in the characterization of novel materials relevant to current scientific and industrial interests.
Main Methods:
- Raman micro-spectroscopy was employed to analyze various advanced materials.
- Micro-structural features were correlated with observed physical properties.
Main Results:
- The study successfully elucidated key micro-structural aspects of new carbons and diamonds.
- Raman micro-spectroscopy effectively characterized superconductors and semiconductors, highlighting their properties.
- The technique proved adept at analyzing superhard materials.
Conclusions:
- Raman micro-spectroscopy is a powerful tool for investigating the structure-property relationships in advanced materials.
- The technique holds significant promise for the development and characterization of novel materials across diverse fields.
- Its versatility makes it valuable for both fundamental research and applied industrial innovation.
Related Concept Videos
01:14Molecular Spectroscopy: Absorption and Emission
Molecules possess discrete energy levels called quantum states. Unlike atoms, which have simpler energy levels, molecules possess additional rotational and vibrational energy levels. Each energy level is separated by an energy gap, with the gaps between adjacent electronic, vibrational, and rotational levels varying significantly. The three types of energy levels in a diatomic molecule are shown in Figure 1.
01:16UV–Vis Spectroscopy: Molecular Electronic Transitions
In Ultraviolet–Visible (UV–Vis) spectroscopy, the absorption of electromagnetic radiation is used to probe the electronic structure of molecules. This technique provides insights into molecular electronic transitions, particularly the movement of electrons between different molecular orbitals. Radiation is absorbed if the energy of the electromagnetic radiation passing through the molecule is precisely equal to the energy difference between the excited and ground states. During this process,...
01:24IR Spectroscopy: Molecular Vibration Overview
When Infrared (IR) radiation passes through a covalently bonded molecule, the bonds transition from lower to higher vibrational levels. The fundamental vibrational motions that result in infrared absorption can be classified as stretching or bending vibrations.
Stretching vibrations are vibrational motions that occur along the bond line, changing the bond length or distance between two bonded atoms. They are further distinguished as symmetric or asymmetric. In symmetric stretching, the...
Stretching vibrations are vibrational motions that occur along the bond line, changing the bond length or distance between two bonded atoms. They are further distinguished as symmetric or asymmetric. In symmetric stretching, the...
01:13Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview
Attenuated total reflectance (ATR) infrared spectroscopy is a powerful analytical technique used to study the composition of materials. It is widely employed in chemistry, materials science, forensic science, and other fields where sample characterization is required. ATR has several advantages over traditional transmission IR spectroscopy, including the requirement of little to no sample preparation and the ability to analyze a wide range of samples.
The ATR process begins by directing a beam...
The ATR process begins by directing a beam...
01:20Raman 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...
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and the...
01:26Raman 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...
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...