| Barium isotopic composition of mainstream silicon carbides from Murchison: Constraints for s-process nucleosynthesis in asymptotic giant branch stars N Liu, MR Savina, AM Davis, R Gallino, O Straniero, F Gyngard, MJ Pellin, ... The Astrophysical Journal 786 (1), 66, 2014 | 93 | 2014 |
| Freeze-etching and vapor matrix deposition for ToF-SIMS imaging of single cells PD Piehowski, ME Kurczy, D Willingham, S Parry, ML Heien, N Winograd, ... Langmuir 24 (15), 7906-7911, 2008 | 53 | 2008 |
| Characterization of extreme ultraviolet laser ablation mass spectrometry for actinide trace analysis and nanoscale isotopic imaging T Green, I Kuznetsov, D Willingham, BE Naes, GC Eiden, Z Zhu, W Chao, ... Journal of Analytical Atomic Spectrometry 32 (6), 1092-1100, 2017 | 40 | 2017 |
| Molecular depth profiling and imaging using cluster ion beams with femtosecond laser postionization D Willingham, A Kucher, N Winograd Applied Surface Science 255 (4), 831-833, 2008 | 39 | 2008 |
| Strong-field ionization of sputtered molecules for biomolecular imaging D Willingham, A Kucher, N Winograd Chemical physics letters 468 (4-6), 264-269, 2009 | 38 | 2009 |
| The effect of incident angle on the C60+ bombardment of molecular solids J Kozole, D Willingham, N Winograd Applied surface science 255 (4), 1068-1070, 2008 | 29 | 2008 |
| Strong-field photoionization of sputtered neutral molecules for molecular depth profiling D Willingham, DA Brenes, A Wucher, N Winograd The Journal of Physical Chemistry C 114 (12), 5391-5399, 2010 | 28 | 2010 |
| Femtosecond laser ablation multicollector ICPMS analysis of uranium isotopes in NIST glass AM Duffin, KW Springer, JD Ward, KD Jarman, JW Robinson, MC Endres, ... Journal of Analytical Atomic Spectrometry 30 (5), 1100-1107, 2015 | 27 | 2015 |
| Three-dimensional molecular imaging using mass spectrometry and atomic force microscopy A Wucher, J Cheng, L Zheng, D Willingham, N Winograd Applied Surface Science 255 (4), 984-986, 2008 | 26 | 2008 |
| Nanotome cluster bombardment to recover spatial chemistry after preparation of biological samples for SIMS imaging ME Kurczy, PD Piehowsky, D Willingham, KA Molyneaux, ML Heien, ... Journal of the American Society for Mass Spectrometry 21 (5), 833-836, 2010 | 19 | 2010 |
| Rapid isotopic analysis of uranium particles by laser ablation MC-ICP-MS J Wimpenny, KM Samperton, P Sotorrio, MS Wellons, SM Scott, ... Journal of Analytical Atomic Spectrometry 38 (4), 827-840, 2023 | 12 | 2023 |
| An overview of NRL's NAUTILUS: a combination SIMS-AMS for spatially resolved trace isotope analysis EE Groopman, DG Willingham, AJ Fahey, KS Grabowski Journal of analytical atomic spectrometry 35 (3), 600-625, 2020 | 11 | 2020 |
| Discovery of fissionogenic Cs and Ba capture five years after Oklo reactor shutdown EE Groopman, DG Willingham, AP Meshik, OV Pravdivtseva Proceedings of the National Academy of Sciences 115 (35), 8676-8681, 2018 | 11 | 2018 |
| Image segmentation for uranium isotopic analysis by SIMS: Combined adaptive thresholding and marker controlled watershed approach D Willingham, BE Naes, PG Heasler, MM Zimmer, CA Barrett, ... Journal of Vacuum Science & Technology B 34 (3), 2016 | 11 | 2016 |
| RIMS analysis of ion induced fragmentation of molecules sputtered from an enriched U3O8 matrix D Willingham, MR Savina, KB Knight, MJ Pellin, ID Hutcheon Journal of Radioanalytical and Nuclear Chemistry 296, 407-412, 2013 | 11 | 2013 |
| High resolution isotopic analysis of U-bearing particles via fusion of SIMS and EDS images JG Tarolli, BE Naes, BJ Garcia, AE Fischer, D Willingham Journal of Analytical Atomic Spectrometry 31 (7), 1472-1479, 2016 | 10 | 2016 |
| Investigating the fundamentals of molecular depth profiling using strong‐field photoionization of sputtered neutrals D Willingham, DA Brenes, N Winograd, A Wucher Surface and interface analysis 43 (1‐2), 45-48, 2011 | 10 | 2011 |
| Direct, uncorrected, molecule-free analysis of 236 U from uranium-bearing particles with NAUTILUS: a new kind of mass spectrometer D Willingham, EE Groopman, KS Grabowski, L Sangely Analyst 143 (22), 5364-5371, 2018 | 7 | 2018 |
| Rate equation model of laser induced bias in uranium isotope ratios measured by resonance ionization mass spectrometry BH Isselhardt, SG Prussin, MR Savina, DG Willingham, KB Knight, ... Journal of Analytical Atomic Spectrometry 31 (3), 666-678, 2016 | 7 | 2016 |
| Secondary ion mass spectrometry signatures for verifying declarations of fissile‐material production D Willingham, BE Naes, KA Burns, BD Reid Applied Radiation and Isotopes 97, 125-129, 2015 | 5 | 2015 |
Nicholas WinogradPenn State University在 psu.edu 的电子邮件经过验证
