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Microscopy Analysis Capabilities

Microscopy Laboratory Techniques and Capabilities
Intertek Microscopy laboratories provide an extensive range of analytical capabilities and expertise. Microscopy techniques include SEM, STM, XPS, SPM (AFM), SEM/EDXA, TEM, VSI, AES, XRD and Optical applications for diverse materials and samples. Depth resolution depending upon technique ranges from the micrometer level (µm) to the sub-angstrom (ångström, Å) level.
Microscopy techniques offered by Intertek scientists include:

Optical Light Microscopy:

  • Optical light microscopes employ the visible or near-visible portion of the electromagnetic spectrum. Applications include use in the life sciences, metallurgy and electronic industries.

SEM Scanning Electron Microscopy:

  • The Scanning Electron Microscope (SEM) analyses the surface of solid objects, producing images of higher resolution than optical microscopy. Depth resolution of 0.5 to 3.0 µm.
  • Cryo_EM Microscopy

SEM Energy Dispersive X-ray Analysis:

  • SEM/EDXA analysis of small particles by scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDXA) is possible without destruction or injury to the sample. Depth resolution of 0.5 to 3.0 µm.

TEM Transmission Electron Microscopy:

  • TEM is used for ultra structural characterisation of a wide range of samples. Applications include morphology, crystallographic and compositional information.
  • TEM biological samples analysis.

STM Scanning Tunnelling Microscopy:

  • Scanning Tunnelling Micrsocopy (STM) measures weak electrical current flowing between the probe tip and sample as they are separated at a distance, generating atomic level images of metallic substrates.

Confocal Laser Scanning Microscopy:

 

X-Ray Photoelectron Microscopy:

  • XPS determines surface elemental and functional group composition. XPS provides chemical state information from the first few atomic layers at the sample surface. Depth resolution of 20 to 200 Å in profiling mode, 10 to 100 Å with surface analysis.

EDX - Energy Dispersive X-Ray

  • EDX, EDAX, EDS

SPM Scanning Probe Microscopy (AFM):

  • Scanning Probe Microscopy(SPM) studies surface topology and physical properties on a nanometre scale. Surface imaging is to near-atomic resolution, measuring atomic level forces at the sample surface. SPM measures weak electrical current flowing between the probe tip and sample as they are separated at a distance. SPM is also referred to as AFM or Atomic Force Microscopy. Depth resolution of 0.1 Å.

Vertical Scanning, Phase Shifting Interferometry:

  • Vertical scanning interferometry (VSI) is a non-invasive technique used to quantify surface topography of solids.

AES Auger Electron Spectroscopy:

  • AES is able to determine composition of the top few layers of a surface. Depth resolution of 20 to 200 Å in profiling mode, 30 Å with surface analysis.

X-Ray Diffraction Analysis (XRD):

  • XRD is the primary tool for investigating the structure of crystalline materials, from atomic arrangement to crystallite size and imperfections.

 
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