Atom Probe Tomography (APT) Analysis
| Parameter | Specification |
|---|---|
| Technique | Atom Probe Tomography (APT) |
| Spatial Resolution | Sub-nanometer (3D atomic mapping) |
| Chemical Sensitivity | ppm-level |
| Detection Method | Time-of-Flight Mass Spectrometry |
| Analysis Mode | Laser-pulsed or Voltage-pulsed |
| Analysis Volume | Needle-shaped specimen (~50–100 nm tip radius) |
| Sample Type | Metals, semiconductors, thin films, multilayers |
| Sample Geometry | Sharp needle specimen |
| Sample Preparation | FIB-based site-specific needle preparation |
| Information Obtained | 3D atomic distribution, dopant clustering, interface chemistry |
| Data Output | Atomic maps, concentration profiles, compositional statistics |
| Typical Use Cases | Semiconductor nodes, interfaces, diffusion and segregation analysis |
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Description
Advanced atom probe tomography service for three-dimensional atomic-scale compositional analysis of materials. APT provides direct spatial mapping of individual atoms with near-atomic resolution, enabling unmatched insight into dopant distribution, clustering, segregation, and interface chemistry.
Key Applications
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Semiconductor dopant distribution analysis
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Interface segregation and clustering studies
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Thin-film and multilayer composition profiling
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Atomic-scale failure analysis
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Advanced alloy and functional material validation
Specifications
| Parameter | Specification |
|---|---|
| Technique | Atom Probe Tomography (APT) |
| Spatial Resolution | Sub-nanometer (3D atomic mapping) |
| Chemical Sensitivity | ppm-level |
| Detection Method | Time-of-Flight Mass Spectrometry |
| Analysis Mode | Laser-pulsed or Voltage-pulsed |
| Analysis Volume | Needle-shaped specimen (~50–100 nm tip radius) |
| Sample Type | Metals, semiconductors, thin films, multilayers |
| Sample Geometry | Sharp needle specimen |
| Sample Preparation | FIB-based site-specific needle preparation |
| Information Obtained | 3D atomic distribution, dopant clustering, interface chemistry |
| Data Output | Atomic maps, concentration profiles, compositional statistics |
| Typical Use Cases | Semiconductor nodes, interfaces, diffusion and segregation analysis |
Sample Preparation Support
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Focused Ion Beam (FIB) needle preparation
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Site-specific region targeting
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Multilayer and interface-selective lift-out
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Preparation optimized for semiconductor and thin-film systems
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(APT data quality is strongly dependent on sample preparation and geometry; preparation is handled end-to-end.)
Deliverables
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Three-dimensional atomic reconstruction
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Elemental concentration profiles
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Dopant and impurity clustering analysis
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Interface chemistry interpretation
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Expert correlation with material behavior
Who Should Use This Service
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Semiconductor device and process engineers
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Advanced materials and interface researchers
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Organizations facing TCAD vs device behavior mismatch
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Industries requiring atomic-level chemical truth
Important Note
APT is a destructive technique requiring specialized specimen geometry.
Our team evaluates material suitability and defines the optimal preparation and analysis route prior to execution.
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