X-ray Photoelectron Spectroscopy (XPS) Analysis
| Parameter | Specification |
|---|---|
| Technique | X-ray Photoelectron Spectroscopy (XPS) |
| Analysis Depth | ~5–10 nm (surface sensitive) |
| Lateral Resolution | ~10–100 µm (instrument-dependent) |
| X-ray Source | Monochromatic Al Kα (typical) |
| Elements Detected | All elements except H and He |
| Chemical State Sensitivity | Yes (bonding and oxidation states) |
| Quantification | Atomic % composition |
| Depth Profiling | Ion sputtering (optional) |
| Sample Type | Solids, thin films, coatings, powders |
| Sample Conductivity | Conductive and non-conductive (charge neutralization supported) |
| Information Obtained | Surface composition, chemical states, interfacial chemistry |
| Typical Use Cases | Coatings, oxides, semiconductors, surface treatments |
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Description
Advanced X-ray Photoelectron Spectroscopy service for quantitative surface chemical and elemental analysis. XPS enables precise identification of elemental composition, chemical states, and bonding environments within the top few nanometers of a material surface.
Key Applications
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Surface chemistry and elemental composition analysis
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Chemical state and oxidation state identification
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Thin-film and coating surface evaluation
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Interface chemistry and contamination analysis
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Failure analysis related to surface modification and degradation
Specifications
| Parameter | Specification |
|---|---|
| Technique | X-ray Photoelectron Spectroscopy (XPS) |
| Analysis Depth | ~5–10 nm (surface sensitive) |
| Lateral Resolution | ~10–100 µm (instrument-dependent) |
| X-ray Source | Monochromatic Al Kα (typical) |
| Elements Detected | All elements except H and He |
| Chemical State Sensitivity | Yes (bonding and oxidation states) |
| Quantification | Atomic % composition |
| Depth Profiling | Ion sputtering (optional) |
| Sample Type | Solids, thin films, coatings, powders |
| Sample Conductivity | Conductive and non-conductive (charge neutralization supported) |
| Information Obtained | Surface composition, chemical states, interfacial chemistry |
| Typical Use Cases | Coatings, oxides, semiconductors, surface treatments |
Sample Preparation Support
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Surface cleaning and handling guidance
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Mounting for powders, films, and bulk samples
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Charge neutralization for insulating materials
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Controlled depth profiling for layered systems
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(Proper surface preparation is critical for meaningful XPS results.)
Deliverables
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High-resolution XPS spectra
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Elemental composition tables (atomic %)
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Chemical state and peak fitting analysis
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Depth profiles (if requested)
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Expert interpretation aligned with material behavior
Who Should Use This Service
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Semiconductor and electronic materials teams
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Coating and surface-engineering researchers
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Oxide and ceramic material developers
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Failure analysis and contamination investigation groups
Important Note
XPS is a surface-sensitive technique.
Measured chemistry reflects the topmost surface layers and must be interpreted in context with processing history and environment.
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