Personal profile
Biography
Gregory P. Holmbeck, Ph.D., is the director of the Idaho National Laboratory (INL) Center for Radiation Chemistry Research (CR2) and a staff scientist. Dr. Holmbeck has over 10 years of experience in the area of applied and fundamental radiation chemistry, characterized by a combination of modeling methodologies and experimental techniques, specializing in used nuclear fuel reprocessing radiation challenges and the radiation-induced redox chemistry of the actinide series. His research has taken him from the United Kingdom (The University of Manchester and the National Nuclear Laboratory, Sellafield), to France (Université Paris-Sud Laboratoire de Chimie Physique, Orsay), and currently the United States of America (California State University Long Beach, the Notre Dame Radiation Laboratory, Brookhaven National Laboratory, and INL).
Education/Academic qualification
PhD, Nuclear Fission Science and Technology, University of Manchester
Award Date: Oct 1 2015
Master, Chemistry with Industrial Experience, University of Manchester
Award Date: Jul 1 2011
3A Levels (Chemistry, Biology, and Classic Civilizations), St. Mary's College
Award Date: Jul 1 2007
Fingerprint
- 1 Similar Profiles
Collaborations and top research areas from the last five years
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Computational and experimental analysis of structural and Thermophysical properties of LiX-KX (X = chloride, iodide, or bromide) molten salts
Malakkal, L., Rodriguez-Laguna, M. D. R., French, J. C., Swisher, M. M., Beeler, B., Horne, G. P. & Gakhar, R., Jan 30 2026, In: Computational Materials Science. 262, 114349.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Impact of corrosion layer composition and thermal pretreatment on the radiolytic generation of molecular hydrogen from aluminum alloys
Conrad, J. K., Pilgrim, C. D., Hlushko, H., Parker-Quaife, E. H., Pu, X., Di Lemma, F. G., Urban-Klaehn, J. M., Xu, F. & Horne, G. P., Jan 2026, In: Journal of Nuclear Materials. 620, 156336.Research output: Contribution to journal › Article › peer-review
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Influence of americium complexation on the radiation-induced chemical reactivity of sulfophenyl bistriazinyl pyridine (SO3-Ph-BTP) towards the nitrate radical
Kynman, A. E., Grimes, T. S., Cook, A. R., Peterman, D. R. & Horne, G. P., Feb 2026, In: Radiation Physics and Chemistry. 239, 113246.Research output: Contribution to journal › Article › peer-review
Open Access -
Influence of Nd(II) and Nd(III) Ions on the Speciation and Kinetic Dynamics of Radiolytic Transients in Molten LiCl-KCl Eutectic Salt Mixtures
Castro Baldivieso, S., Horne, G. P., Bryars, D., Ramos Ballesteros, A., Cook, A. R., Layne, B., Iwamatsu, K. & Conrad, J. K., Jan 19 2026, In: Inorganic Chemistry. 65, 2, p. 1283-1291 9 p.Research output: Contribution to journal › Article › peer-review
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Temperature-Dependent Speciation of Ni(II) in Molten Chloride, Bromide, and Iodide Salts
Patra, N., Ballesteros, A. R., Malakkal, L., Beeler, B., Yang, Q., Horne, G. P., Gill, S. K. & Gakhar, R., Jan 8 2026, In: Journal of Physical Chemistry B. 130, 1, p. 407-418 12 p.Research output: Contribution to journal › Article › peer-review
Prizes
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INL Laboratory Director Awards: Early Career Exceptional Achievement Award
Holmbeck, G. P. (Recipient), 2023
Prize: Honorary award
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Society for Technical Communication 2022 Alliance Competition award of Excellence
Holmbeck, G. P. (Recipient), 2022
Prize: Honorary award
Activities
- 1 Membership of network
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American Chemical Society (External organization)
Holmbeck, G. P. (Member)
1900 → …Activity: Membership › Membership of network
Press/Media
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Idaho National Laboratory researchers awarded $3.8 million, program renewals confirmed
Copeland-Johnson, T., Horne, G., Pimblott, S., Conrad, J., Xia, Y., Hurley, D. & Gakhar, R.
11/21/22
1 item of Media coverage
Press/Media
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Reports from Idaho National Laboratory Provide New Insights into Genitourinary Tract Agents (Multiscale Modelling of the Radical-induced Chemistry of Acetohydroxamic Acid In Aqueous Solution)
Conrad, J., Horne, G., Pimblott, S. & Pilgrim, C.
11/10/22
1 item of Media coverage
Press/Media
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Center for Radiation Chemistry Research takes a forgotten science into the future
Horne, G., Pimblott, S. & Gakhar, R.
08/31/22
3 items of Media coverage
Press/Media