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Related Experiment Video

Updated: Jun 13, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Theoretical and experimental analysis of titanium Compton profile using (137)Cs.

Ali Pazirandeh¹, Maryam Azizi

¹Science and Research Branch, Azad University, Tehran, Iran.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine

|May 12, 2010

Summary

This study measured the Compton profile of titanium coatings using gamma-ray spectroscopy. Experimental results showed broader profiles than theoretical models due to Doppler broadening and electron states.

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Atom Probe Tomography Analysis of Exsolved Mineral Phases

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Last Updated: Jun 13, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

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Atom Probe Tomography Analysis of Exsolved Mineral Phases

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Published on: October 25, 2019

Area of Science:

Materials Science
Atomic Physics
Solid-State Physics

Background:

Compton profile analysis provides insights into electron momentum distributions in materials.
Theoretical models like Hartree-Fock offer predictions but may require experimental validation.
Titanium coatings are utilized in various technological applications, necessitating accurate characterization.

Purpose of the Study:

To experimentally determine the Compton profile of a titanium coating on a glass substrate.
To compare the experimental Compton profile with theoretical calculations using the Hillman and Skilman program.
To investigate discrepancies between experimental and theoretical profiles and identify contributing factors.

Main Methods:

Utilized 661.7 keV gamma-rays from a Cesium-137 source for Compton scattering measurements.
Employed a Sodium Iodide (Thallium-doped) [NaI(Tl)] detector for gamma-ray detection.
Compared experimental data with theoretical profiles derived from the Hartree-Fock model.

Main Results:

The experimental Compton profile of titanium exhibited a broader distribution compared to theoretical predictions.
Significant differences were observed between the measured profile and those computed by the Hillman and Skilman program.
The experimental profile's breadth was primarily attributed to Doppler broadening and electron quantum states.

Conclusions:

Experimental Compton profile measurements are crucial for validating theoretical models of electron momentum distributions.
Discrepancies highlight the influence of physical effects like Doppler broadening not fully captured by simplified theoretical approximations.
The study underscores the importance of considering electron dynamics and theoretical model limitations in material characterization.