Materials chemistry for next-generation nuclear systems.
At the University of California - Irvine, the Finkeldei Group probes the chemistry of nuclear materials to enable advances in
clean energy technologies.




Advanced Fuel Development
We synthesize and analyze advanced fuel candidates to gain fundamental insights into grain boundary characteristics, fission gas transport, and material properties.
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Fusion & Space Systems
Utilizing a unique internal gelation process, we synthesize microspheres for a variety of applications, including materials for fusion and space applications.


Atomistic Modeling
We are developing machine learning interatomic potentials to enable highly-accurate simulations of nuclear materials under conditions relevant to reactor operation.
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Waste Management
We analyze the redox chemistry of spent fuel and barrier materials to predict behavior in repositories. Additionally, we synthesize complex oxides to structurally immobilize long lived actinides.
Group News

October 20, 2025
Sarah hosts the annual Finkeldei Group pumpkin carving and pizza party! Claudia is named the victor of our pumpkin carving contest amidst a competitive field of very artistic creations.
The Finkeldei Group celebrates the beginning of a new academic year with a birthday cake for Sarah! We are excited to welcome our new rotating students and kick off the fall quarter!

September 27, 2025
Audrey travels to Washington D.C. as part of the Nuclear Engineering Student Delegation (NESD). The delegation drafted a policy statement covering current issues in the nuclear industry, met with governmental and non-governmental nuclear stakeholders, and spoke with Congressional offices about the importance of nuclear energy.

September 21, 2025




