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Mossbauer Effect Lab

Mössbauer Effect Using Co57


Includes a general introduction to spectroscopy and details of Mossbauer technique. Discusses the nuclear properties to be measured: the Zeeman effect, quadrupole splitting, and the isomer shift.


This section is a walkthrough of the specific components used in this experiment, and a broad overview of the total setup and how it works.

Setup Details and Pre-calibration Exercises

Futher details needed to understand how the SCA and Counter modules function, and a study of the Cobalt 57 spectrum.

The 14.4 keV Peak

This section discusses an additional method of using the SCA ('scanning SCA') to study the 14.4 keV peak and correctly calibrate the SCA for the final setup.

Sample Preparation

The Mossbauer setup is very sensitive to the amount of sample material used in the absorber.

Data & Calculations

Taking data with the setup; analysis of the data.

Quirks, Repairs, and Other Notes

Here are some (potentially) helpful and unhelpful oddities and other asides about the methods lab Mossbauer setup.

References and Sources

Two excellent papers (for more, see also the "Paper for Experiments" folder in pub_MXP) and a book available for free online download: 

  • Gütlich, P, Bill, E, & Trautwein, A X. (2011). Mössbauer spectroscopy and transition metal chemistry. (Online).

Mossbauer Spectroscopy. Dyar, M. Darby. Dept. of Astronomy, Mount Holyoke College.

-- Main.pfei0142 - 06 Jun 2013