Isomer shift and quadrupole splitting
room-temperature transmission
Material Analysis · Structure & Spectroscopy
Mössbauer Spectroscopy
Characterise isomer shift and quadrupole splitting, magnetic hyperfine field, and relative fraction of distinguishable resonant phases using a scope agreed around your sample and decision.
- Price
- from£750 per sample, excl. VAT
- Turnaround
- 10 working days Preparation and scope dependent
- Available platforms
- Wissel MR-2500
- Typical outputs
- Calibrated Mossbauer spectrumFitted subspectra and hyperfine parametersPhase/state assignment with fit statistics and assumptionsProcessed spectra
Why this service
What Mössbauer can help you understand
Mössbauer Spectroscopy is selected when the project needs defensible information on isomer shift and quadrupole splitting, magnetic hyperfine field, or relative fraction of distinguishable resonant…
Magnetic hyperfine field
low- or high-temperature measurement
Relative fraction of distinguishable resonant phases
applied-field or conversion-electron mode where available
Choose the scope
Start from the question, not the tool
The method, preparation route and reporting depth depend on what you need to decide.
Room-temperature transmission
isomer shift and quadrupole splitting
- Best used when
- isomer shift and quadrupole splitting
- Typical result
- Calibrated Mossbauer spectrum
- Preparation note
- Exact mass and any drying or dispersion step are confirmed after technical review.
Low- or high-temperature measurement
magnetic hyperfine field
- Best used when
- magnetic hyperfine field
- Typical result
- Fitted subspectra and hyperfine parameters
- Preparation note
- Confirm the applicable standard, dimensions, loading direction and number of replicates.
Applied-field or conversion-electron mode where available
relative fraction of distinguishable resonant phases
- Best used when
- relative fraction of distinguishable resonant phases
- Typical result
- Phase/state assignment with fit statistics and assumptions
- Preparation note
- Confirm power, connections, operating state, access restrictions and permitted disassembly.
Common outputs
A result package matched to the decision you need to make
Fields, conditions, processing and file formats are confirmed before work begins.
Calibrated Mossbauer spectrum reported with the agreed units, sample reference and measurement conditions.
Fitted subspectra and hyperfine parameters supplied in a labelled format suitable for direct sample or condition comparison.
Phase/state assignment with fit statistics and assumptions provided with the processing basis and quality checks agreed during technical review.
Processed spectra included when selected in the confirmed reporting scope.
Sample requirements
What to provide before work begins
Provide representative, clearly labelled samples and identify the decision, feature or comparison that matters.
| Suitable sample | Submission requirement | Planning note |
|---|---|---|
| Powder / particles | Provide a dry, homogeneous and clearly labelled sample in a sealed container. | Exact mass and any drying or dispersion step are confirmed after technical review. |
| Test coupon / specimen | Provide labelled specimens prepared to the agreed geometry, orientation and surface condition. | Confirm the applicable standard, dimensions, loading direction and number of replicates. |
| Device / assembly | Provide a complete labelled device or assembly with drawings, interfaces and operating limits. | Confirm power, connections, operating state, access restrictions and permitted disassembly. |
| Solid / component | Provide a clean, stable and clearly labelled specimen with the target face or region identified. | Confirm dimensions, cutting permission and whether the original geometry must be preserved. |
Objective: state the decision, comparison or acceptance criterion the work must support.
Handling and access: declare hazards, instability, confidentiality, file constraints or special logistics before dispatch or transfer.
Questions and answers
Common planning decisions
Short answers to issues that can change preparation, scope, timing or interpretation.
What should I send for Mössbauer Spectroscopy?
Provide powder / particles, test coupon / specimen, device / assembly, solid / component as applicable. Exact quantity, dimensions and preparation are confirmed during technical review.
Which analysis option should I choose?
Choose the mode around the decision you need to make. For isomer shift and quadrupole splitting, start with room-temperature transmission; add low- or high-temperature measurement when comparison or quantification is required.
How long will the test take?
Typical turnaround is 10 working days after sample acceptance and method confirmation.
What can limit the result?
Only suitable resonant isotopes are measured and long count times may be required. Overlapping subspectra can make phase fractions model-dependent without complementary diffraction or chemistry.
Configure the service
Send the information needed to scope Mössbauer correctly
- Sample form, material, dimensions and quantity
- Feature or decision the result must address
- Required comparison, acceptance criterion or reference
- Preferred output and reporting depth