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Mössbauer Spectroscopy: Fundamentals and Applications in Materials Science, Environment, and Space Exploration

This one-day course offers a comprehensive introduction to Mössbauer spectroscopy, a powerful technique for probing the atomic and magnetic structure of materials. Tailored for materials scientists, engineers, and environmental professionals, the course covers the fundamental principles of the Mössbauer effect—such as isomer shifts, quadrupole splitting, and magnetic hyperfine interactions—and how these phenomena provide deep insights into the local environments of Mössbauer-active nuclei, particularly iron.

Participants will gain practical knowledge of experimental setups, data acquisition, and spectral interpretation, with a strong emphasis on real-world applications. Key topics include:

  • Materials science applications: phase identification, microstructural analysis, and magnetic behaviour in metals, ceramics, and nanomaterials;
  • Green steel development: monitoring oxidation states and phase transformations in hydrogen-based and low-carbon steelmaking processes;
  • Mineral characterisation: identifying and quantifying iron-bearing phases in ores, clays, and weathered rocks;
  • Data analysis: different approaches used in the analysis of Mössbauer data, from traditional curve-fitting to the use of AI;
  • Fe²⁺/Fe³⁺ analysis: determining oxidation states in environmental samples, catalysts, and industrial residues;
  • Environmental science: tracking iron speciation in soils, sediments, and remediation systems;
  • Space exploration: in-situ mineralogical analysis of meteorites, Moon rocks, and on planetary surfaces, including Mars missions equipped with Mössbauer instruments;
  • Operational safety: understanding radiation safety protocols, handling of gamma-ray sources (e.g., Co-57), shielding requirements, regulatory compliance, and best practices for safe laboratory operation.

By the end of the course, attendees will be equipped to apply Mössbauer spectroscopy across a range of disciplines, interpret complex spectra, and evaluate its potential in advancing sustainable technologies, planetary science, and materials innovation—all while maintaining a strong foundation in laboratory safety and regulatory awareness.

Public

Mining, steel-making, and environmental professionals, grad students, researchers, and laboratory technicians.

Facilitator

Professor Paulo de Souza is the Executive Dean of the School of Science at Edith Cowan University (ECU) and a leading expert in Mössbauer spectroscopy. With a distinguished career spanning academia, research, and leadership, Professor de Souza has applied Mössbauer techniques across a wide range of disciplines, including materials science, environmental geochemistry, and planetary exploration. He has contributed to major international projects, including NASA’s Mars Exploration Rover missions, where Mössbauer spectroscopy played a key role in analysing the mineralogy of the Martian surface. His research has advanced understanding in areas such as iron speciation, green steel development, and the characterisation of complex mineral systems. He established and operated Mössbauer laboratories in industry and research organisations. A passionate educator and science communicator, Professor de Souza is committed to making advanced analytical techniques accessible and impactful across industry and research sectors.

Upcoming course details

Date: 16 July 2025
Time: 10am - 4pm
Cost: Free
Location: JO.27.104

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