Andrew G Stack

Andrew G Stack

Group Leader, Geochemistry & Interfacial Sciences

Bio

Andrew G. Stack focuses on understanding how minerals react with their surrounding solutions. He is the PI of the Basic Energy Sciences Geosciences project at ORNL, entitled "Atomic- to Pore-Scale Geochemical Processes."

Awards

Outstanding Contributions to Geosciences Research Award (2014). U.S. DOE Basic Energy Sciences, Geosciences Program

Award for One of Top 14 Technical Presentations (out of > 300), Twelfth Annual Conference on Carbon Capture, Utilization & Sequestration. Pittsburgh, PA, May 13-16, 2013

Profile featured at ORNL web-site: Part I, Part II and STEM Magazine (2015).

Profile featured in American Chemical Society’s College-To-Career web-site.

Finalist for Asylum Research AFM Image Contest

Projects

ERKCC72 - Atomic- to Pore-Scale Geochemical Processes (BES Geosciences)
ERKCG08 - Interfacial Dynamics in Radioactive Environments and Materials (Energy Frontier Research Center)
CEED500 - Critical Materials Institute (Energy Innovation Hub)

Publications

  1. Stack, A. G.; Stubbs, J. E.; Srinivasan, S. G.; Roy, S.; Bryantsev, V. S.; Eng, P. J.; Custelcean, R.; Gordon, A. D.; Hexel, C. R. (2018) Mineral-Water Interface Structure of Xenotime (YPO4) {100}. J. Phys. Chem. C  122, 20232-20243 DOI:10.1021/acs.jpcc.8b04015

  2. Weber, J.; Bracco, J. N.; Poplawsky, J. D.; Ievlev, A.; More, K. L.; Lorenz, M.; Bertagni, A. L.; Jindra, S. A.; Starchenko, V.; Higgins, S. R.; Stack, A. G.  (2018) Unraveling the Effects of Strontium Incorporation on Barite Growth – In-situ and Ex-situ Observations using Multi-Scale Chemical Imaging.  Cryst. Growth Des. 18, 5521-5533 DOI: 10.1021/acs.cgd.8b00839

  3. Wang, H.-W.; Vlcek, L.; Neuefeind, J.; Page, K.; Irle, S.; Simonson, J. S.; Stack, A. G. (2018) Decoding Oxyanion Aqueous Solvation Structure: A Potassium-Nitrate Example at Saturation.  J. Phys. Chem. B. 122, 7584-7589 DOI: 10.1021/acs.jpcb.8b05895

  4. Graham, T. R.; Dembowski, M.; Martinez-Baez, E.; Zhang, X.; Jaegers, N. R.; Hu, J.; Gruskiewicz, M. S.; Wang, H.-W.; Stack, A. G.; Bowden, M. E.; Delegard, C. H.; Schenter, G. K.; Clark, A. E.; Clark, S. B.; Felmy, A. R.; Rosso, K. M.; Pearce, C. I.  (2018) In-Situ 27Al NMR Spectroscopy of Aluminate in Sodium Hydroxide Solutions Above and Below Saturation with Respect to Gibbsite. Inorg. Chem. 57, 11864-11873 DOI: 10.1021/acs.inorgchem.8b00617

  5. Cheshire, M. C.; Bish, D. L.; Cahil, J. F.; Kertesz, V.; Stack, A. G. (2018) Geochemical evidence for rare-earth element mobilization during kaolin diagenesis.  ACS Earth Space Chem. 2, 503-520 DOI: 10.1021/acsearthspacechem.7b00124

  6. Shen, Z.; Kerisit, S.; Stack, A. G.; Rosso, K. M. (2018) Free-Energy Landscape of the Dissolution of Gibbsite at High pH.  J. Phys. Chem. Lett. 9, 1809-1814.  DOI: 10.1021/acs.jpclett.8b00484

  7. Cao, B.; Stack, A. G.; Steefel, C. I.; DePaolo, D. J.; Lammers, L. N.; Hu, Y.  (2018) Investigating Calcite Growth Rates Using a Quartz Crystal Microbalance with Dissipation (QCM-D).  Geochim. Cosmochim. Acta 222, 269-283. DOI: 10.1016/j.gca.2017.10.020

  8. Bracco, J. N.; Lee, S. S.; Stubbs, J. E.; Eng, P. J.; Heberling, F.; Fenter, P.; Stack, A. G. (2017)  Hydration Structure of the Barite (001)-Water Interface: Comparison of X-ray Reflectivity with Molecular Dynamics Simulations.  J. Phys. Chem. C  122, 12236-12248 DOI: 10.1021/acs.jpcc.7b02943

  9. De La Pierre, M.; Raiteri, A. G.; Stack, A. G.; Gale, J. D. (2017) Uncovering the atomistic mechanism for calcite step growth.  Angew. Chem. Int’l. Ed. 56, 8464-8467 DOI: 10.1002/ange.201701701

  10. Srinivasan, S. G.; Shivaramaiah, R.; Kent, P. R. C.; Stack, A. G., Riman, R. E.; Anderko, A.; Navrotsky, A.; Bryantsev, V. S. (2017) A Comparative Study of Surface Energies and Water Adsorption on Ce-Bastnästite, La-Bastnästite, and Calcite via Density Functional Theory and Water Adsorption Calorimetry.  Phys. Chem. Chem. Phys.  19(11), 7820-7832.  DOI: 10.1039/C7CP00811B

  11. Wang, H.-W.; Daemen, L. L.; Cheshire, M. C.; Kidder, M. K.; Stack, A. G.; Allard, L. F.; Neuefeind, J.; Olds, D.; Liu, J.; Page, K. (2017) Synthesis and structure of synthetically pure and deuterated amorphous (basic) calcium carbonates.  Chem. Comm. 53, 2942-2945.  DOI: 10.1039/C6CC08848A

  12. Cheshire, M. C.; Stack, A. G.; Carey, J. W.; Anovitz, L. M.; Prisk, T. R.; Ilavsky, J. (2017) Wellbore Cement Porosity Evolution in Response to Mineral Alteration During CO2 Flooding. Environ. Sci. Technol. 51, 692-698 DOI: 10.1021/acs.est.6b03290

 

Facilities Used

SNS, HFIR, OIC, NERSC, APS, ALS, CNMS, etc.