GEG - Geothermal Energy and Geofluids

Structure and electric field gradients in three fentanyl solid forms from first-principles calculations and solid-state NMR

Wagle, K., Altenhof, A. R., Crotzer, M. G., Alvarez, M. A., Batrice, R. J., Williams, R. F., Tondreau, A. M., Mattsson, A. E., Mason, H. E., Rehn, D. A., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedCommunications Chemistry(Published: September 21, 2026)

DOIDOI: 10.1038/s42004-026-02191-4

Possible False Negative: Marked as Non-GEG ("no"), but published on September 21, 2026 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Interplay of High-Field and Earth’s Field NMR: Fluorofentanyls as a Case Study

Altenhof, A. R., Kaseman, D. C., Mason, H. E., Alvarez, M. A., Newman, S. G., Williams, R. F., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedThe Journal of Physical Chemistry A 130, pp. 7059–7070(Published: September 10, 2026)

DOIDOI: 10.1021/acs.jpca.6c00487

Possible False Negative: Marked as Non-GEG ("no"), but published on September 10, 2026 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Investigating trends in actinide covalency and magnetism with 35/37 Cl SSNMR spectroscopy and first-principles calculations

Altenhof, A. R., Erickson, K. A., Rehn, D. A., Fetrow, T. V., Mattsson, A. E., Monreal, M. J., and Mason, H. E.

2026Refereed Publications in Journals Peer-ReviewedPhysical Chemistry Chemical Physics 28, pp. 13309–13320(Published: January 1, 2026)

DOIDOI: 10.1039/d5cp03944d

Possible False Negative: Marked as Non-GEG ("no"), but published on January 1, 2026 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Complex-Valued Signal Denoising Neural Networks for Nuclear Quadrupole Resonance-Based Detection of Fentanyl

Day, A. J., Klein, N., Altenhof, A. R., Mason, H. E., Malone, M. W., and Williamson, S. A.

2025Refereed Publications in Journals Peer-ReviewedData Science in Science 4, Art. 2597606(Published: December 31, 2025)

DOIDOI: 10.1080/26941899.2025.2597606

Possible False Negative: Marked as Non-GEG ("no"), but published on December 31, 2025 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Microscopic investigation of enhanced Pauli paramagnetism in metallic Pu₂C₃

Yamamoto, R., Cook, M. S., Altenhof, A. R., Sherpa, P., Park, S., Thompson, A. B., Mason, H. E., Arellano, D. C., Prada, D. V., Tobash, P. H., Ronning, F., Bauer, K. D., Harrison, N., Phelan, W. A., Dioguardi, A. P., and Hirata, M.

2025Refereed Publications in Journals Peer-ReviewedPhysical Review B 112, Art. 165105(Published: October 3, 2025)

DOIDOI: 10.1103/n911-574l

Possible False Negative: Marked as Non-GEG ("no"), but published on October 3, 2025 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Mg-Ion Conduction in Antiperovskite Solid Electrolytes Revealed by 25Mg Ultrahigh Field NMR and First-Principles Calculations

Halat, D. M., Liu, H., Kim, K., Alexander, G. C. B., Wang, X., Venkatesh, A., Altenhof, A. R., Mason, H. E., Lapidus, S. H., Yoon, J. S., Hung, I., Gan, Z., Cabana, J., Siegel, D. J., Reimer, J. A., and Key, B.

2025Refereed Publications in Journals Peer-ReviewedJournal of the American Chemical Society, pp. 27949–27961(Published: August 6, 2025)

DOIDOI: 10.1021/jacs.5c07442

Possible False Negative: Marked as Non-GEG ("no"), but published on August 6, 2025 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Standoff detection of fentanyl hydrochloride via nuclear quadrupole resonance: A multimodality pursuit

Malone, M. W., Mason, H. E., Altenhof, A. R., and Espy, M. E.

2025Refereed Publications in Journals Peer-ReviewedPNAS Nexus 4(Published: July 1, 2025)

DOIDOI: 10.1093/pnasnexus/pgaf190

Possible False Negative: Marked as Non-GEG ("no"), but published on July 1, 2025 while Adam R. Altenhof [Senior Researchers (2025-03-01–present)] [Affiliation: Not specified in DOI metadata] held an active GEG appointment.

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

On the effects of quadrupolar relaxation in Earth’s field NMR spectra

Altenhof, A. R., Kaseman, D. C., Mason, H. E., Alvarez, M. A., Malone, M. W., and Williams, R. F.

2023Refereed Publications in Journals Peer-ReviewedJournal of Magnetic Resonance 355, Art. 107540(Published: October 1, 2023)

DOIDOI: 10.1016/j.jmr.2023.107540

DESPERATE: A Python library for processing and denoising NMR spectra

Altenhof, A. R., Mason, H. E., and Schurko, R. W.

2023Refereed Publications in Journals Peer-ReviewedJournal of Magnetic Resonance 346, Art. 107320(Published: January 1, 2023)

DOIDOI: 10.1016/j.jmr.2022.107320

Structure and electric field gradients in three fentanyl solid forms from first-principles calculations and solid-state NMR

Wagle, K., Altenhof, A. R., Crotzer, M. G., Alvarez, M. A., Batrice, R. J., Williams, R. F., Tondreau, A. M., Mattsson, A. E., Mason, H. E., Rehn, D. A., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedCommunications Chemistry(Published: September 21, 2026)

DOIDOI: 10.1038/s42004-026-02191-4

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Interplay of High-Field and Earth’s Field NMR: Fluorofentanyls as a Case Study

Altenhof, A. R., Kaseman, D. C., Mason, H. E., Alvarez, M. A., Newman, S. G., Williams, R. F., and Malone, M. W.

2026Refereed Publications in Journals Peer-ReviewedThe Journal of Physical Chemistry A 130, pp. 7059–7070(Published: September 10, 2026)

DOIDOI: 10.1021/acs.jpca.6c00487

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Investigating trends in actinide covalency and magnetism with 35/37 Cl SSNMR spectroscopy and first-principles calculations

Altenhof, A. R., Erickson, K. A., Rehn, D. A., Fetrow, T. V., Mattsson, A. E., Monreal, M. J., and Mason, H. E.

2026Refereed Publications in Journals Peer-ReviewedPhysical Chemistry Chemical Physics 28, pp. 13309–13320(Published: January 1, 2026)

DOIDOI: 10.1039/d5cp03944d

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Complex-Valued Signal Denoising Neural Networks for Nuclear Quadrupole Resonance-Based Detection of Fentanyl

Day, A. J., Klein, N., Altenhof, A. R., Mason, H. E., Malone, M. W., and Williamson, S. A.

2025Refereed Publications in Journals Peer-ReviewedData Science in Science 4, Art. 2597606(Published: December 31, 2025)

DOIDOI: 10.1080/26941899.2025.2597606

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Microscopic investigation of enhanced Pauli paramagnetism in metallic Pu₂C₃

2025Refereed Publications in Journals Peer-ReviewedPhysical Review B 112, Art. 165105(Published: October 3, 2025)

DOIDOI: 10.1103/n911-574l

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Mg-Ion Conduction in Antiperovskite Solid Electrolytes Revealed by 25Mg Ultrahigh Field NMR and First-Principles Calculations

2025Refereed Publications in Journals Peer-ReviewedJournal of the American Chemical Society, pp. 27949–27961(Published: August 6, 2025)

DOIDOI: 10.1021/jacs.5c07442

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

Standoff detection of fentanyl hydrochloride via nuclear quadrupole resonance: A multimodality pursuit

Malone, M. W., Mason, H. E., Altenhof, A. R., and Espy, M. E.

2025Refereed Publications in Journals Peer-ReviewedPNAS Nexus 4(Published: July 1, 2025)

DOIDOI: 10.1093/pnasnexus/pgaf190

RecommendationIf this was an official GEG publication, please set GEG Own to "yes". If conducted externally, please suppress this warning with an explanatory comment in Intra.

On the effects of quadrupolar relaxation in Earth’s field NMR spectra

Altenhof, A. R., Kaseman, D. C., Mason, H. E., Alvarez, M. A., Malone, M. W., and Williams, R. F.

2023Refereed Publications in Journals Peer-ReviewedJournal of Magnetic Resonance 355, Art. 107540(Published: October 1, 2023)

DOIDOI: 10.1016/j.jmr.2023.107540

DESPERATE: A Python library for processing and denoising NMR spectra

Altenhof, A. R., Mason, H. E., and Schurko, R. W.

2023Refereed Publications in Journals Peer-ReviewedJournal of Magnetic Resonance 346, Art. 107320(Published: January 1, 2023)

DOIDOI: 10.1016/j.jmr.2022.107320

Harris E. Mason

Published As

Publications

Refereed Publications in Journals

2026 (3 publications - to date)

Structure and electric field gradients in three fentanyl solid forms from first-principles calculations and solid-state NMR

Interplay of High-Field and Earth’s Field NMR: Fluorofentanyls as a Case Study

Investigating trends in actinide covalency and magnetism with 35/37 Cl SSNMR spectroscopy and first-principles calculations

2025 (4 publications)

Complex-Valued Signal Denoising Neural Networks for Nuclear Quadrupole Resonance-Based Detection of Fentanyl

Microscopic investigation of enhanced Pauli paramagnetism in metallic Pu₂C₃

Mg-Ion Conduction in Antiperovskite Solid Electrolytes Revealed by 25Mg Ultrahigh Field NMR and First-Principles Calculations

Standoff detection of fentanyl hydrochloride via nuclear quadrupole resonance: A multimodality pursuit

2023 (2 publications)

On the effects of quadrupolar relaxation in Earth’s field NMR spectra

DESPERATE: A Python library for processing and denoising NMR spectra

Refereed Publications in Journals

2026 (3 publications - to date)

Structure and electric field gradients in three fentanyl solid forms from first-principles calculations and solid-state NMR

Interplay of High-Field and Earth’s Field NMR: Fluorofentanyls as a Case Study

Investigating trends in actinide covalency and magnetism with 35/37 Cl SSNMR spectroscopy and first-principles calculations

2025 (4 publications)

Complex-Valued Signal Denoising Neural Networks for Nuclear Quadrupole Resonance-Based Detection of Fentanyl

Microscopic investigation of enhanced Pauli paramagnetism in metallic Pu₂C₃

Mg-Ion Conduction in Antiperovskite Solid Electrolytes Revealed by 25Mg Ultrahigh Field NMR and First-Principles Calculations

Standoff detection of fentanyl hydrochloride via nuclear quadrupole resonance: A multimodality pursuit

2023 (2 publications)

On the effects of quadrupolar relaxation in Earth’s field NMR spectra

DESPERATE: A Python library for processing and denoising NMR spectra