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Updated: Dec 18, 2025

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks

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Published on: April 28, 2023

Mössbauer Spectrometer Calibration Using TiFe.

L J Swartzendruber¹, L H Bennett¹

¹Institute for Materials Research, National Bureau of Standards, Washington, D.C. 20234.

Journal of Research of the National Bureau of Standards. Section A, Physics and Chemistry

|June 12, 2020

Summary

This summary is machine-generated.

This study precisely measured the Mössbauer spectrum splitting in TiFe using a magnetic field. This allowed for an accurate determination of the sodium nitroprusside quadrupolar splitting, crucial for Mössbauer spectroscopy calibration.

Keywords:

Calibration Knight shift Mössbauer effect TiFe chemical shift iron sodium nitroprusside

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Area of Science:

Solid-state physics
Materials science
Spectroscopy

Background:

Mössbauer spectroscopy is a sensitive technique for probing the local electronic environment of atomic nuclei.
Accurate calibration of Mössbauer parameters, such as quadrupolar splitting, is essential for reliable data interpretation.
Titanium-iron (TiFe) alloys exhibit unique magnetic and electronic properties relevant to materials science.

Purpose of the Study:

To accurately determine the quadrupolar splitting of sodium nitroprusside at 295 K.
To establish a reliable calibration standard for Mössbauer spectroscopy.
To investigate the magnetic field effects on the ⁵⁷Fe Mössbauer spectrum in TiFe.

Main Methods:

⁵⁷Fe Mössbauer spectroscopy was performed on TiFe in a magnetic field.
The magnetic field-dependent spectral splitting was meticulously measured.
The measured splitting was compared to the zero-field quadrupolar splitting of sodium nitroprusside.

Main Results:

The quadrupolar splitting of sodium nitroprusside was determined to be 1.699 mm/s at 295 K.
This determination utilized the known Knight shift of iron (Fe) in TiFe.
The method is independent of velocity calibration, enhancing its accuracy.

Conclusions:

The study provides a precise, calibration-independent value for sodium nitroprusside splitting.
This finding serves as a valuable standard for future Mössbauer spectroscopy measurements.
The magnetic field measurements offer insights into the magnetic properties of TiFe alloys.