Dr. Mason is the Director of the Nuclear Magnetic Resonance (NMR) Facility within the Physical and Life Sciences Directorate at LLNL. In this role, he sets the strategic direction for NMR research at the Lab and oversees day-to-day operation of the facility. His research topics include using NMR methods to understand the dynamic processes occurring during carbon capture, utilization and storage activities and developing advanced spectroscopic methods to investigate systems containing actinide elements, polymers, ceramics, explosives and novel materials.
A. Sawvel, S. Chinn, M. Gee, C. Loeb, A. Maiti, H. Mason, R. Maxwell, J. Lewicki, Non-ideality in silicone network formation via solvent swelling and 1H double-quantum NMR, Macromolecules, 2019, 52, 410 – 419
C. D. Pilgrim, H. E. Mason, M. Zavarin, W. H. Casey, Rates of ligand exchange around the bi-oxolato complex NpO2(C2O4)23- measured using multinuclear NMR at neutral to semi-alkaline conditions, ChemPlusChem, 2018, 83, 590 – 596
H. E. Mason, E. C. Uribe, J. A. Shusterman, Rapid acquisition of data dense solid-state CPMG NMR spectral sets using multi-dimensional statistical analysis, Phys. Chem. Chem. Phys., 2018, 20, 18082-18088
E. C. Uribe, H. Mason, J. Shusterman, W. Lukens, Organic layer formation and sorption of U(VI) on acetamide diethylphosphonate-functionalized mesoporous silica, Dalton Trans., 2017: 46, 5441-5456
C. D. Pilgrim, J. R. Callahan, C. A. Colla, C. A. Ohlin, H. E. Mason, W. H. Casey, 27Al MQMAS of the δ-Al13-Keggin, Dalton Trans., 2017: 46, 2249-2254
H. E. Mason, J. D. Begg, R. S. Maxwell, A. B. Kersting, M. Zavarin, A novel NMR method for the investigation of trivalent lanthanide sorption on amorphous silica at low surface loadings, Envir. Sci. Process. Impact., 2016: 18, 802-809
E. C. Uribe, H. E. Mason, J. A. Shusterman, A. Bruchet, H. Nitsche, Probing the interaction of U(VI) with phosphonate functionalized mesoporous silica using solid-state NMR spectroscopy, Dalton Trans., 2016: 45, 10447-10458
Y. Hao, M. M. Smith, H. Mason, S. A. Carroll, Numerical study of the impact of CO2-fluid-rock interactions on porosity and permeability evolution in fractured carbonate rocks. In Proceedings of the 49th US Rock Mechanics/ Geomechanics Symposium, 2015, San Francisco, CA.
J. A. Shusterman, H. E. Mason, J. Bowers, A. Bruchet, E. Uribe, A. B Kersting, H. Nitsche, Development and Testing of Diglycolamide Functionalized Mesoporous Silica for Sorption of Trivalent Actinides and Lanthanides, ACS Appl. Mater. Interfaces, 2015:7, 20591-20599
K. Raftopoulos, S. Koutsoumpis, M. Jancia, J. Lewicki, K. Kyriakos, H. Mason, S. Harley, E. Hebda, C.M. Papadakis, K. Pielichowski, P. Pissis, Reduced phase separation, and slowing of dynamics in polyurethanes with 3-dimensional POSS based crosslinking moieties, Macromolecules, 2015: 48, 1429-1441