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Peer-reviewedCC BY 4.0Environmental Science & Technology

Dynamic Nature of Soil Iron Minerals: Recent Advances Using Iron Isotope Tracers and Mössbauer Spectroscopy

  • Luiza Notini1
  • Andrew R. C. Grigg2,3
  • L. Joëlle Kubeneck4,5
  • Michelle M. Scherer6
  • Ruben Kretzschmar2
6 affiliations
  1. 1Department of Civil, Construction, and Environmental Engineering, University of Delaware, Newark, Delaware 19716, United States
  2. 2Institute of Biogeochemistry and Pollutant Dynamics, Department of Environmental Systems Science, ETH Zurich, CHN, 8092 Zurich, Switzerland
  3. 3Faculty of Science and Engineering, Southern Cross University, Military Road, East Lismore 2860, Australia
  4. 4Department of Microbiology, Radboud Institute for Biological and Environmental Sciences, Radboud University, 6525 AJ Nijmegen, The Netherlands
  5. 5Geological Survey of the Netherlands, Netherlands Organization of Applied Scientific Research (TNO), Princetonlaan 6, Utrecht 3508 TA, The Netherlands
  6. 6Civil, Environmental, and Geospatial Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
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Abstract

Iron plays a central role in defining the redox and surface chemical environment of soils and sediments, by mediating the behavior of nutrients, pollutants, and carbon compounds. However, the mechanisms that drive dynamic changes in Fe speciation and mineral composition can be difficult to trace. Over three decades, technical advances in spectroscopy and theoretical modeling techniques have revealed detailed mechanisms of Fe mineral recrystallization and transformation. Here, we provide a perspective on the application of iron isotopic tracers to the development of atomic-scale mechanistic understanding of Fe mineral dynamics. We review key milestones in the advancement of 57Fe tracers coupled with 57Fe Mössbauer spectroscopy and draw links between the understanding of Fe dynamics with 57Fe tracers and biogeochemical cycling of other elements in soils and sediments. Iron isotopes are increasingly used in Fe biogeochemistry research, and our analysis will point out unique opportunities offered by 57Fe tracers to unravel important questions in soil biogeochemistry today.

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Cite

BibTeXRIS
BibTeX
@article{notini2026dynamic,
  title = {{Dynamic Nature of Soil Iron Minerals: Recent Advances Using Iron Isotope Tracers and Mössbauer Spectroscopy}},
  author = {Luiza Notini and Andrew R. C. Grigg and L. Joëlle Kubeneck and Michelle M. Scherer and Ruben Kretzschmar},
  journal = {Environmental Science \& Technology},
  year = {2026},
  month = oct,
  doi = {10.1021/acs.est.6c07339},
  url = {https://doi.org/10.1021/acs.est.6c07339},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Dynamic Nature of Soil Iron Minerals: Recent Advances Using Iron Isotope Tracers and Mössbauer Spectroscopy
AU  - Luiza Notini
AU  - Andrew R. C. Grigg
AU  - L. Joëlle Kubeneck
AU  - Michelle M. Scherer
AU  - Ruben Kretzschmar
PY  - 2026
DA  - 2026/10/15
JO  - Environmental Science & Technology
DO  - 10.1021/acs.est.6c07339
UR  - https://doi.org/10.1021/acs.est.6c07339
AB  - Iron plays a central role in defining the redox and surface chemical environment of soils and sediments, by mediating the behavior of nutrients, pollutants, and carbon compounds. However, the mechanisms that drive dynamic changes in Fe speciation and mineral composition can be difficult to trace. Over three decades, technical advances in spectroscopy and theoretical modeling techniques have revealed detailed mechanisms of Fe mineral recrystallization and transformation. Here, we provide a perspective on the application of iron isotopic tracers to the development of atomic-scale mechanistic understanding of Fe mineral dynamics. We review key milestones in the advancement of 57Fe tracers coupled with 57Fe Mössbauer spectroscopy and draw links between the understanding of Fe dynamics with 57Fe tracers and biogeochemical cycling of other elements in soils and sediments. Iron isotopes are increasingly used in Fe biogeochemistry research, and our analysis will point out unique opportunities offered by 57Fe tracers to unravel important questions in soil biogeochemistry today.
SN  - 0013-936X
SN  - 1520-5851
ER  -