Chemist
Chemist

Biography

Mark Engelhard is a chemist in PNNL's Energy Processes and Materials Division. Since 1980, Engelhard’s research has involved advancing and utilizing surface sensitive techniques, particularly X-ray photoelectron spectroscopy (XPS), to study surface and interphase chemistry. He has worked as principal investigator and scientist on fundamental and applied research projects that involve collaborations with academic, government, and industrial partners. 

Based on this work and use of specially developed sample handling and processing capabilities associated with XPS systems, Engelhard has authored or co-authored 593 peer reviewed scientific publications. His Web of Science Hirsch index is 115 and his Google Scholar Hirsch index is 126.  Engelhard has been named a Highly Cited Researcher by Clarivate Analytics starting in 2018 through 2023. He has authored or co-authored five book chapters and more than 15 technical reports, and has edited three special journal volumes for AVS Journals. Engelhard’s total sum of publication citations is over 48,500 (Web of Science) and over 61,500 (Google Scholar).

Affiliations and Professional Service

  • Chair of the AVS Science and Technology Society AVS 70 Program Committee (2024)
  • Served as a member of AVS Science and Technology Society Board of Director’s (2021-2023)
  • Editorial Board Member, Surface Science Spectra (SSS) (2019 – Present)  
  • Chair, Editorial Board, SSS, AVS (2019 – Present) 
  • Member, Awards Canvasing Committee, AVS (2017 – Present)  
  • Executive Member, Applied Surface Science Division (ASSD) Program Committee, AVS (2016 – Present)  
  • Representative, Pacific Northwest Chapter (PNWAVS), Central Washington (2016 – Present)  
  • Co-Chair, Chemical Safety Advisory Committee, PNNL (2016 – Present)  

  • Member, Nanoscale Material Safety Committee, PNNL (2016 – Present)  
  • Co-Chair, 39th ASSD Surface Analysis, SIMS USA, and the 29th PNWAVS Symposium, AVS 
  • Invited Speaker and Session Moderator, 16th Topical Conference on Quantitative Surface Analysis, Nashville, TN, AVS (2016)  
  • Conference Chair, 25th Annual Symposium of the Pacific Northwest, AVS (2014) 
  • Head of Delegation, Technical Committee TC201 on Surface Chemical Analysis, U.S. International Standards Organization (ISO) (2013 – Present)  
  • Member, PNWAVS (2013 – 2016)  
  • Chair, PNWAVS (2013 – 2014) 
  • Member, Recommended Practices Committee, AVS (2011 – Present)  
  • Secretary, TC-201 Surface Chemical Analysis SC2 "General Procedures," ISO (2011 – 2018)  
  • Member, International Committee E42 on Surface Analysis, ASTM (2001 – Present) 
  • ISO (2011 – Present)  
  • Associate Editor, SSS, AVS (2008 – Present)  
  • Member, Topical Conference Committee, AVS (2008 – Present) 
  • Member, Publications Committee, Journal of Vacuum Science and Technology (JVST A), JVST B, Biointerphases, and SSS (2008 – 2015)  
  • Member, Finance, Membership, and Marketing and Communications Committees, AVS (2008 – 2010)  
  • Chair, International Subcommittee E42-08 Ion Beam Sputtering, ASTM (2001 – 2013)  
  • Member, Executive Committee, ASTM International (2001 – 2013)   
  • Chair, Subcommittee of E42-08, Ion Beam Sputtering, ASTM International (2001 – 2013) 
  • Member, AVS Science and Technology Society (1990 – Present)  
  • Chair Elect, ASSD, AVS (1990 – Present)  
  • Guest Editor, JVST A, AVS (1990 – Present)  

Awards and Recognitions

  • Highly Cited Researcher, Top 1% of citations for a publication field during the last decade, Web of Science/Clarivate Analytics (2018 – 2023)  
  • Cedric Powell Award, Committee E42 on Surface Analysis, ASTM International (2020) 
  • Enabling the Safe Conduct of Research Laboratory Assist Award, Earth and Biological Sciences Directorate, PNNL (2019) 
  • Service Recognition Award for Chairing the Directorate Safety and Operation Committee for 3 years, Earth and Biological Sciences Directorate, PNNL (2019) 
  • Outstanding Contribution Award for Co-Chairing the 30th Annual Symposium on Applied Surface Science and 29th Annual Symposium of the PNWC, AVS Science, and Technology Society Meeting held at EMSL in Richland, WA, June 19-22 (2018) 
  • Laboratory Safety Award, Earth and Biological Sciences Directorate, PNNL (2017, 2019) 
  • Of-the-Year Award for Outstanding Efforts in the 2017 publication “Electrolyte Additive Enabled Fast Charging and Stable Cycling Lithium Metal Batteries” Nature Energy, 2, 17012 DOI: 10.1038/nenergy.2017.12, Energy and Environment Directorate, PNNL (2017) 
  • Outstanding Performance Award in recognition for the Advanced Materials paper “Stabilization of Li Metal Anode in DMSO-Based Electrolytes via Optimization of Salt-Solvent Coordination for Li-O2 Batteries Advanced Energy Materials,” 7 (14) 1602605 DOI: 10.1002/aenm.201602605, Physical and Computational Sciences Directorate, PNNL (2017) 
  • Outstanding Performance Award in recognition for Lithium Metal Battery Research, Energy and Environment Directorate, PNNL (2017) 
  • Outstanding Performance Award for contributions to the Nature Communications article “Rational Design of Efficient Electrode-Electrolyte Interfaces for Solid-State Energy Storage Using Soft-Landing,” 7:11399. DOI: 10.1038/ncomms11399, Physical and Computational Sciences Directorate, PNNL (2016) 
  • Publication of the Year Award for “Inorganic Tin Aluminophosphate Nanocomposite for Reductive Separation of Pertechnetate,” Environmental Science Nano, 3 1003-1013. DOI: 10.1039/c6en00130, Energy and Environment Directorate, PNNL (2016) 
  • Elected Fellow, AVS Science and Technology Society (2013) 
  • Organizational Development Award, PNNL (2013) 
  • Director's Award for outstanding efforts in support of strategy for achieving high-impact science and marquee capabilities, outstanding management and operations, and exceptional user outreach and service, EMSL (2008) 
  • Director's Award for outstanding leadership as a cognizant space manager, EMSL (2007) 
  • Outstanding Performance Award for recognition of outstanding scientific contributions, Fundamental Science Directorate, PNNL (2003) 
  • Outstanding Performance Award for recognition of extensive interactions with users and research in the application of XPS to address critical surface science issues, Fundamental Science Directorate, PNNL (2003) 
  • Outstanding Performance Award for organizational performance with users, EMSL (2003) 
  • Outstanding Performance Award, low K technical team for scientific and technology development contribution, PNNL (2000) 
  • Outstanding Team Performance Award, low K mesoporous dielectrics technical team, PNNL (2000) 
  • George T. Hanyo Award recognizing outstanding performance in technical support of research or development in areas of interest to the Society, AVS Society (1997) 
  • Director's Award for Excellence, Structural Materials Research group, PNNL (1993) 
  • Outstanding Scientific Accomplishment in Materials Chemistry, U.S. Department of Energy (1992) 

Publications

2025

  • De C., Y. Liu, S. Ayyagari, B. Zheng, K. Kelley, S. Hazra, and J. He, et al. 2025. "Discovery of a layered multiferroic compound Cu1-xMn1+ySiTe3 with strong magnetoelectric coupling." Science Advances 11, no. 1:eadp9379. PNNL-SA-198539. doi:10.1126/sciadv.adp9379
  • Jia H., B.G. Broekhuis, Y. Xu, Z. Yang, D.J. Kautz, L. Zhong, and M.H. Engelhard, et al. 2025. "Rational Electrolyte Design for Elevated-Temperature and Thermally Stable Lithium-Ion Batteries with Nickel-Rich Cathodes." ACS Applied Materials & Interfaces 17, no. 4:6260-6270. PNNL-SA-202615. doi:10.1021/acsami.4c17629
  • Speelman R., E. Marker, M.D. Boamah-Agyemang, J. Kupferberg, J. Bye, M.H. Engelhard, and Y. Zhao, et al. 2025. "Water Flipping and the Oxygen Evolution Reaction on Fe2O3 Nanolayers." Nature Communications 16:Art. No. 3585. PNNL-SA-208608. doi:10.1038/s41467-025-58842-y

2024

  • Choi M., H. Park, M.H. Engelhard, D. Li, P.V. Sushko, and Y. Du. 2024. "Reevaluation of XPS Pt 4f peak fitting: Ti 3s plasmon peak interference and Pt metallic peak asymmetry in Pt@TiO2 system." Journal of Vacuum Science & Technology A: International Journal Devoted to Vacuum, Surfaces, and Films 42, no. 6:Art. No. 063209. PNNL-SA-201705. doi:10.1116/6.0003973
  • Jia H., C. Zeng, H. Lim, A. Simmons, Y. Zhang, M. Weber, and M.H. Engelhard, et al. 2024. "Important role of ion flux regulated by separators in lithium metal batteries." Advanced Materials 36, no. 19:Art No. 2311312. PNNL-SA-191844. doi:10.1002/adma.202311312
  • Kim J., H. Jia, K. Koirala, D. Liu, A. Simmons, M.H. Engelhard, and R.A. Ahmed, et al. 2024. "Three-dimensional polymeric-scaffold-based current collector for lithium metal anode toward high energy density batteries." ACS Energy Letters 9, no. 3:919-926. PNNL-SA-193434. doi:10.1021/acsenergylett.3c02752
  • Kim J., R. Yi, X. Cao, Y. Xu, M.H. Engelhard, S. Tripathi, and C. Wang, et al. 2024. "Extending Calendar Life of Si-Based Lithium-Ion Batteries by a Localized High Concentration Electrolyte." ACS Energy Letters 9, no. 5:2318 - 2325. PNNL-SA-193686. doi:10.1021/acsenergylett.4c00348
  • Le P., T.D. Vo, M. Le, T. Tran, Y. Xu, A.L. Phan, and L.T. Le, et al. 2024. "Synergetic Dual-Additive Electrolyte Enables Highly Stable Performance in Sodium Metal Batteries." Small 20, no. 40:2402256. PNNL-SA-193713. doi:10.1002/smll.202402256
  • Loring J.S., T.E. Webb, M.E. Bowden, M.H. Engelhard, and S.N. Kerisit. 2024. "Cobalt Substitution Slows Forsterite Carbonation in Low-Water Supercritical Carbon Dioxide." Physical Chemistry Chemical Physics 26, no. 41:26465-26471. PNNL-SA-203089. doi:10.1039/D4CP02092H
  • Qiao Y., Y. Shin, J.L. Ramos, M.H. Engelhard, R.J. Seffens, D.R. Merkel, and K.L. Simmons. 2024. "Plasma Treatment on Both Adhesive Tape and Adherends for Significantly Enhanced CFRTP-related Adhesive Joints." Applied Surface Science 649. PNNL-SA-189464. doi:10.1016/j.apsusc.2023.159092
  • Sheelam A., A. Whitten, C.G. Moore, M.H. Engelhard, J. Mcewen, and J. Bell. 2024. "Ultra-stable and poison tolerant oxygen evolution activity enabled by surface In2O3-x(OH)y of Co3In2S2 large single crystals." Journal of Materials Chemistry A 12, no. 46:32259-32272. PNNL-SA-200223. doi:10.1039/d4ta04608k
  • Song I., L. Kovarik, M.H. Engelhard, J. Szanyi, Y. Wang, and K. Khivantsev. 2024. "Developing Robust Ceria-Supported Catalysts for Catalytic NO Reduction and CO/Hydrocarbon Oxidation." ACS Catalysis 14, no. 24:18247-18255. PNNL-SA-206078. doi:10.1021/acscatal.4c04433
  • Tran T., X. Cao, Y. Xu, P. Gao, H. Zhou, F. Guo, and K. Han, et al. 2024. "Enhancing Cycling Stability of Lithium Metal Batteries by A Bifunctional Fluorinated Ether." Advanced Functional Materials 34, no. 42:2407012. PNNL-SA-197241. doi:10.1002/adfm.202407012
  • Wang X., Y. He, L. Liu, D. Song, L. Kovarik, M.E. Bowden, and M.H. Engelhard, et al. 2024. "Uncovering the Size-dependent Thermal Solid Transformation of Akaganeite." Small 20, no. 46:Art. No. 2402717. PNNL-SA-201487. doi:10.1002/smll.202402717
  • Weller J.M., H. Han, E. Polikarpov, K. Han, V. Shutthanandan, Y. Wang, and M.H. Engelhard, et al. 2024. "Intrinsically sodiophilic, mesoporous metal-free wetting layers based on inexpensive carbon black for sodium-metal batteries." Nano Energy 128, no. Part A:Art. No. 109815. PNNL-SA-194246. doi:10.1016/j.nanoen.2024.109815
  • Xiao B., Y. Zheng, M. Song, X. Liu, G. Lee, F.O. Omenya, and X. Yang, et al. 2024. "Protonation Stimulates the Layered to Rock Salt Phase Transition of Ni-rich Sodium Cathodes." Advanced Materials 36, no. 13:Art. No. 2308380. PNNL-SA-169982. doi:10.1002/adma.202308380
  • Zhao Y., M.P. Prange, M. Zong, Y. Wang, E.D. Walter, Y. Chen, and Z. Zhu, et al. 2024. "Understanding Trace Iron and Chromium Incorporation During Gibbsite Crystallization and Effects on Mineral Dissolution." Environmental Science & Technology 58, no. 45:20125-20136. PNNL-SA-184706. doi:10.1021/acs.est.4c04483

2023

  • Qiu Y., D. Ray, L. Yan, X. Li, M. Song, M. H. Engelhard, J. Sun, M. S. Lee, X. Zhang, T. M. Nguyen, V. A. Glezakou, Y. Wang, R. Rousseau, and Y. Shao, “A proton relay for the rate enhancement of electrochemical hydrogen reactions at heterogeneous interfaces” ACS (2023) doi.org/10.1021/jacs.3c06398
  • Xu Y., H. Jia, P. Gao, D. E. Galvez-Aranda, S. P. Beltran, X. Cao, P. M. L. Le, J. Liu, M.  H. Engelhard, S. Li, G. Ren, J. M. Seminario, P. B. Balbuena, J. G. Zhang, W. Xu, and C. Wang, “Direct in situ measurements of electrical properties of solid electrolyte interphase on lithium metal anodes” Nature Energy (2023) doi.org/10.1038/s41560-023-01361-1
  • Yang Z., L. Wang, J. A. Dhas, M. H. Engelhard, M. E. Bowden, W. Liu, Z. Zhu, C. Wang, S. A. Chambers, P. V. Sushko, and Y. Du,“Guided anisotropic oxygen transport in vacancy ordered oxides” Nature Communications (2023) 14, 6068 doi.org/10.1038/s41467-023-40746-4
  • Weiser M., M. J. Olszta, M. H. Engelhard, Z. Zhu, and Daniel K. Schreiber, “Visualizing oxygen transport pathways during intergranular oxidation in Ni-Cr” Nature Materials Degradation (2023) V7, N70 doi.org/10.1038/s41529-023-00387-w
  • Kautz D.J., X. Cao, B. E. Mattews, P. Gao, Y. Xu, K. S. Han, F. Omenya, M. H. Engelhard, H. Jia, C. Wang, J. G. Zhan, and W. Xu “Designing Electrolytes with Controlled Solvation Structure for Fast-Charging Lithium-Ion Batteries” Advanced Energy Materials (2023) 2301199 doi.org/10.1002/aenm.202301199
  • Hansen R., E. Z. Dalton, R. B. Abney, M. H. Engelhard, G. C. Valdes, S. D. Burton, R. K. Chu, D. P. Veghte, S. China, J. B. Cliff, and J. D. Raff, “Reaction of Organic Matter with Nitronium Ion as a Source of Organic Nitrate Esters in Proxies for Organic Aerosols” ACS Earth and Space Chemistry (2023) PNNL-SA-184868
  • Zhang J., W. Hu, B. Qian, H. Li, Berlin Sudduth, M. H. Engelhard, L. Zhang, J. Z. Hu, J. Sun, C. Zhang, and H. He, “Tuning Hydrogenation Chemistry of Pd-based Heterogeneous Catalysts by Introducing Homogeneous-like Ligands” Nature Communications (2023) 3944 doi.org/10.1038/s41467-023-39478-2
  • Strange L. E., M. H. Engelhard, C. D. Easton, J. Kim, and D. R. Baer, “Surface analysis insight note: X-ray photoelectron spectroscopy analysis of battery electrodes-Challenges with nickel-manganese-cobalt and Li examples using an Al K alpha x-ray source” Surface & Interface Analysis (2023) doi.org/10.1002/sia.7237
  • Song M., M. Prange, P. Ren, Z. Lu, J. Lee, J. Zheng, M. H. Engelhard, J. D. Yoreo, P. Sushk, and D. Li,” “Transitional Structures with Continuous Variations in Atomic Positions from Anatase to Rutile Improve Photocatalytic Activity” Advanced Materials Interfaces (2023) 2202306 doi.org/10.1002/admi.202202306
  • Zhang Z., J. Tian, Y. Lu, S. Yang, D. Jiang, W. Huang, Y. Li, J. Hong, A. Hoffman, S. Bare, M. H. Engelhard, A. K. Datye, and Y. Wang, “Memory-dictated Dynamics of Single-atom Pt on CeO2 for CO Oxidation” Nature Communications (2023) 2664 doi.org/10.1038/s41467-023-37776-3
  • Dagle V., G. B. Collinge, M. Rahman, A. D. Winkelman, W. Hu, J. Z. Hu, L. Kovarik, M. H. Engelhard, J. Jocz, Y. Wang, M. S. Lee, V. A. Glezakou, D. Ray, R. Rousseau, and R. Dagle, “Single-step conversion of ethanol into n-butene-rich olefins over metal catalysts supported on ZrO2-SiO2 mixed oxides” Applied Catalysis B: Environmental (2023) V331, 122707 doi.org/10.1016/j.apcatb.2023.122707
  • Ding S., Z. Lyu, J. A. Barr, F. Zhang, M. Wang, P. Tieu, M. H. Engelhard, Z. Feng, S. P. Beckman, X. Pan, J. C. Li, D. Du, and Y. Lin, “Effect of Phosphorus Modulation in Iron Single-atom Catalysts for Peroxidase Mimicking” (2023) Advanced Materials doi.org/10.1002/adma202209633
  • Jia H., J. Kim, P. Gao, Y. Xu, M. H. Engelhard, B. Matthews, C. Wang, W. Xu, “A Systematic Study on the Effects of Solvating Solvents and Additives in Localized High-Concentration Electrolytes over lectrochemical Performance of Lithium-Ion Batteries” Angewandte Chemie (2023) doi.org/10.1002/anie.202218005
  • Jia H., Z. Yang, Y. Xu, P. Gao, L. Zhong, D.J. Kautz, and D. Wu, et al. 2023. "Is nonflammability of electrolyte overrated in the overall safety performance of lithium ion batteries? A sobering revelation from a completely nonflammable electrolyte." Advanced Energy Materials 13, no. 4:Art No. 2203144. PNNL-SA-177605. doi:10.1002/aenm.202203144
  • Khivantsev K., N. R. Jaegers, H. A. Aleksandrov, I. Song, X. I. Pereira-Hernandez, M. H. Engelhard, J. Tian, L. Chen, D. M. Meira, L. Kovarik, G. N. Vayssilov, Y. Wang*, and J. Szanyi, “Single Ru(II) ions on ceria as a highly active catalyst for abatement of NO” JACS (2023) doi.org/10.1021/jacs.2c09873
  • Cao X., Y. Xu, L. Zou, J. Bao, Y Chen, B. Matthews, J. Hu, X. He, M. H. Engelhard, C. Niu, B. Arey, C. Wang, J. Xiao, J. Liu, C.Wang, X. Wu, and J. G. Zhang, “Stability of solid electrolyte interphases and calendar life of lithium metal batteries” Energy & Environmental Science (2023) doi.org/10.1039/D2EE03557
  • Feng G., H. Jia, Y. Shi, X. Yang, Y. Liang, M. H. Engelhard, Y. Zhang, C. Yang, K. Xu, Y. Yao, W. Xu, and X. Shan, “Imaging Solid-Electrolyte-Interphase Dynamics Using Operando Reflection Interference Microscopy” Nature Nanotechnology (2023) doi.org/10.1038/s41565-023-01316
  • Dong Z., A. Mukhtar, T. Ludwig, S. Akhade, S. Y. Kang, B. Wood, K. Grubel, M. H. Engelhard, T. Autrey and H. Lin, “Efficient Pd on carbon catalyst for ammonium formate dehydrogenation: Effect of surface oxygen functional groups” Applied Catalysis B (2023)
  • Taylor M. J., H. Kim, W. Kew, A. Andersen, A. Bhattacharjee, M. H. Engelhard, and C. R. Anderton, “Atomistic simulations for investigation of substrate effects on lipid in-source fragmentation in Secondary Ion Mass Spectrometry” Biointerfaces (2023) V18(1), 011003 doi.org/10.1116/6.0002298
  • Ronnebro E. C. , M. H. Engelhard, D. J. Edwards, K. Grubel, A. L. Schemer-Kohrn, and R. T. Storms, “Evaluation of Hydrogen Gettering Rates Correlated to Surface Composition and Texture of Nickel-Plated Zircaloy Getters of Different Heat Treatment Procedures” Molecules (2023) 28(2) 762 doi.org/10.3390/molecules28020762

2022

2021

2020 

  • Baer D.R., D. Cant, D. Castner, G. Ceccone, M.H. Engelhard, A.S. Karakoti, and A. Mueller. 2020. "Chapter 4.2 - Preparation of nanoparticles for surface analysis." In Characterization of Nanoparticles: Measurement Processes for Nanoparticles, edited by V.-D. Hodoroabe, W.E.S. Unger and A.G. Shard. 295-347. Amsterdam: Elsevier. PNNL-SA-132981. doi:10.1016/B978-0-12-814182-3.00018-3 
  • Baer D.R., K. Artyushkova, H. Cohen, C.D. Easton, M.H. Engelhard, T.R. Gengenbach, and G. Greczynski, et al. 2020. "XPS Guide: Charge neutralization and binding energy referencing for insulating samples." Journal of Vacuum Science and Technology A--Vacuum, Surfaces and Films 38, no. 3:031204. PNNL-SA-151014. doi:10.1116/6.0000057 
  • Boiteau R.M., R.K. Kukkadapu, J.B. Cliff, C.R. Smallwood, L. Kovarik, M.G. Wirth, and M.H. Engelhard, et al. 2020. "Calcareous organic matter coatings sequester siderophores in alkaline soils." Science of the Total Environment 724. PNNL-SA-147851. doi:10.1016/j.scitotenv.2020.138250 
  • Cui W., X. Zhang, C.I. Pearce, M.H. Engelhard, H. Zhang, Y. Wang, and S.M. Heald, et al. 2020. "Effect of Cr(III) adsorption on the dissolution of boehmite nanoparticles in caustic solution." Environmental Science & Technology 54, no. 10:6375-6384. PNNL-SA-150322. doi:10.1021/acs.est.9b07881 
  • Engelhard M.H., D.R. Baer, A. Herrera-Gomez, and P.M. Sherwood. 2020. "Introductory guide to backgrounds in XPS spectra and their impact on determining peak intensities." Journal of Vacuum Science and Technology A--Vacuum, Surfaces and Films 38, no. 6:Article No. 063203. PNNL-SA-153379. doi:10.1116/6.0000359 
  • Kwak W., S. Chae, R. Feng, P. Gao, J. Read, M.H. Engelhard, and L. Zhong, et al. 2020. "Optimized Electrolyte with High Electrochemical Stability and Oxygen Solubility for Lithium-Oxygen and Lithium-Air Batteries." ACS Energy Letters 5, no. 7:2182-2190. PNNL-SA-150369. doi:10.1021/acsenergylett.0c00809 
  • Lee M., K. Han, J. Lee, Y. Shin, T.C. Kaspar, Y. Chen, and M.H. Engelhard, et al. 2020. "Defect-induced anisotropic surface reactivity and ion transfer processes of anatase nanoparticles." Materials Today Chemistry 17. PNNL-SA-150217. doi:10.1016/j.mtchem.2020.100290 
  • Li H., J. Pang, N.R. Jaegers, L. Kovarik, M.H. Engelhard, A.W. Savoy, and J.Z. Hu, et al. 2020. "Conversion of ethanol to 1,3-butadiene over Ag-ZrO2/SiO2 catalysts: The role of surface interfaces." Journal of Energy Chemistry 54. PNNL-SA-153728. doi:10.1016/j.jechem.2020.05.038 
  • Linford M.R., V.S. Smentkowski, J.T. Grant, C.R. Brundle, P.M. Sherwood, M.C. Biesinger,, and J.H. Terry, et al. 2020. "Proliferation of Faulty Materials Data Analysis in the Literature." Microscopy and Microanalysis 26, no. 1:1-2. PNNL-SA-141475. doi:10.1017/S1431927619015332 
  • Liu J., E. Jia, K.A. Stoerzinger, L. Wang, Y. Wang, Z. Yang, and D. Shen, et al. 2020. "Dynamic Lattice Oxygen Participation on Perovskite LaNiO3 During Oxygen Evolution Reaction." Journal of Physical Chemistry C 124, no. 28:15386-15390. PNNL-SA-152668. doi:10.1021/acs.jpcc.0c04808 
  • Liu W., L. Huang, R.E. Komorek, P. Handakumbura, Y. Zhou, D. Hu, and M.H. Engelhard, et al. 2020. "Correlative Surface Imaging Reveals Chemical Signatures for Bacterial Hotspots on Plant Roots." Analyst 145, no. 2:393-401. PNNL-SA-149225. doi:10.1039/C9AN01954E 
  • Prieur D., W. Bonani, K. Popa, O. Walter, K.W. Kriegsman, M.H. Engelhard, and X. Guo, et al. 2020. "Size Dependence of Lattice Parameter and Electronic Structure in CeO2 Nanoparticles." Inorganic Chemistry 59, no. 8:5760-5767. PNNL-SA-149920. doi:10.1021/acs.inorgchem.0c00506 
  • Song J., K. Wang, J. Zheng, M.H. Engelhard, B. Xiao, E. Hu, and Z. Zhu, et al. 2020. "Controlling Surface Phase Transition and Chemical Reactivity of O3-Layered Metal Oxide Cathodes for High-Performance Na-ion Batteries." ACS Energy Letters 5, no. 6:1718-1725. PNNL-SA-141318. doi:10.1021/acsenergylett.0c00700 
  • Wang H., Y. Shao, H. Pan, X. Feng, Y. Chen, Y. Liu, and E.D. Walter, et al. 2020. "A lithium-sulfur battery with a solution-mediated pathway operating under lean electrolyte conditions." Nano Energy 76. PNNL-SA-143093. doi:10.1016/j.nanoen.2020.105041 
  • Xu Y., H. Wu, H. Jia, M.H. Engelhard, J. Zhang, W. Xu, and C. Wang. 2020. "Sweeping potential regulated structural and chemical evolution of solid-electrolyte interphase on Cu and Li as revealed by cryo-TEM." Nano Energy 76. PNNL-SA-153402. doi:10.1016/j.nanoen.2020.105040 
  • Yu J., Y. Zhou, M.H. Engelhard, Y. Zhang, J. Son, S. Liu, and Z. Zhu, et al. 2020. "In situ molecular imaging of adsorbed protein films in water indicating hydrophobicity and hydrophilicity." Scientific Reports 10, no. 1: Article No. 3695. PNNL-SA-152103. doi:10.1038/s41598-020-60428-1 
  • Zhan X., J.F. Bonnett, M.H. Engelhard, D.M. Reed, V.L. Sprenkle, and G. Li. 2020. "A High-Performance Na-Al Battery Based on Reversible NaAlCl4 Catholyte." Advanced Energy Materials 10, no. 40:2001378. PNNL-SA-150192. doi:10.1002/aenm.202001378 
  • Zhang J., J. Sun, L. Kovarik, M.H. Engelhard, L. Du, B. Sudduth, and H. Li, et al. 2020. "Surface Engineering of Earth-abundant Fe Catalysts for Selective Hydrodeoxygenation of Phenolics in Liquid Phase." Chemical Science 11, no. 23:5874-5880. PNNL-SA-149539. doi:10.1039/d0sc00983k 
  • Zhang X., L. Zou, Y. Xu, X. Cao, M.H. Engelhard, B.E. Matthews, and L. Zhong, et al. 2020. "Advanced electrolytes for fast-charging high-voltage lithium-ion batteries in wide-temperature range." Advanced Energy Materials 10, no. 22:2000368. PNNL-SA-150274. doi:10.1002/aenm.202000368 

2019 

  • Avval T.G., B. Moein, G.H. Major, M.H. Engelhard, and M.R. Linford. 2019. "Plotting XPS Narrow Scans (and other Data) with MATLAB's Powerful Plotting Capabilities, 2. An Introduction to Handle Graphics." Vacuum Technology & Coating. PNNL-SA-151236. 
  • Avval T.G., G.H. Major, B. Moein, M.H. Engelhard, and M.R. Linford. 2019. "Plotting XPS Narrow Scans (and Other data) with MATLAB, 1. Using the 'plot' and 'subplot' functions." Vacuum Technology & Coating 20, no. 11:35-37. PNNL-SA-148773. 
  • Baer D.R., K. Artyushkova, C.R. Brundle, J. Castle, M.H. Engelhard, K.J. Gaskell, and J.T. Grant, et al. 2019. "Practical guides for x-ray photoelectron spectroscopy: First steps in planning, conducting, and reporting XPS measurements." Journal of Vacuum Science and Technology A--Vacuum, Surfaces and Films 37, no. 3:Article number 031401. PNNL-SA-137067. doi:10.1116/1.5065501 
  • Cao X., X. Ren, L. Zou, M.H. Engelhard, W. Huang, H. Wang, and B.E. Matthews, et al. 2019. "Monolithic solid-electrolyte interphases formed in fluorinated orthoformate-based electrolytes minimize Li depletion and pulverization." Nature Energy 4, no. 9:796-805. PNNL-SA-141828. doi:10.1038/s41560-019-0464-5 
  • Cao X., Y. Xu, L. Zhang, M.H. Engelhard, L. Zhong, X. Ren, and H. Jia, et al. 2019. "Nonflammable Electrolytes for Lithium Ion Batteries Enabled by Ultraconformal Passivation Interphases." ACS Energy Letters 4, no. 10:2529-2534. PNNL-SA-145269. doi:10.1021/acsenergylett.9b01926 
  • Cui W., X. Zhang, C.I. Pearce, Y. Chen, S. Zhang, W. Liu, and M.H. Engelhard, et al. 2019. "Cr(III) adsorption by cluster formation on boehmite nanoplates in highly alkaline solution." Environmental Science & Technology 53, no. 18:11043-11055. PNNL-SA-143650. doi:10.1021/acs.est.9b02693 
  • Jin Y., L. Zou, L. Liu, M.H. Engelhard, R.L. Patel, Z. Nie, and K. Han, et al. 2019. "Joint charge storage for high-rate aqueous zinc-manganese dioxide batteries." Advanced Materials 31, no. 29:Article No. 1900567. PNNL-SA-140329. doi:10.1002/adma.201900567 
  • Kuo C., Y. Lu, L. Kovarik, M.H. Engelhard, and A.M. Karim. 2019. "Structure Sensitivity of Acetylene Semi-Hydrogenation on Pt Single Atoms and Subnanometer Clusters." ACS Catalysis 9, no. 12:11030-11041. PNNL-SA-144951. doi:10.1021/acscatal.9b02840 
  • Liu B., Q. Li, M.H. Engelhard, Y. He, X. Zhang, D. Mei, and C. Wang, et al. 2019. "Constructing Robust Electrode/Electrolyte Interphases to Enable Wide Temperature Applications of Lithium-Ion Batteries." ACS Applied Materials & Interfaces 11, no. 24:21496-21505. PNNL-SA-141223. doi:10.1021/acsami.9b03821 
  • Pereira Hernandez X.I., A. DelaRiva, V. Muravev, D. Kunwar, H. Xiong, B.J. Sudduth, and M.H. Engelhard, et al. 2019. "Tuning Pt/CeO2 Interactions By High-temperature Vapor-phase Synthesis For Improved Reducibility of Lattice Oxygen." Nature Communications 10, no. 1:Article number 1358. PNNL-SA-132985. doi:10.1038/s41467-019-09308-5 
  • Ren P., M. Song, J. Lee, J. Zheng, Z. Lu, M.H. Engelhard, and X. Yang, et al. 2019. "Edge Dislocations Induce Improved Photocatalytic Efficiency of Colored TiO2." Advanced Materials Interfaces 6, no. 17:Article Number 1901121. PNNL-SA-145888. doi:10.1002/admi.201901121 
  • Ren X., L. Zou, S. Jiao, D. Mei, M.H. Engelhard, Q. Li, and H. Lee, et al. 2019. "High-Concentration Ether Electrolytes for Stable High-Voltage Lithium Metal Batteries." ACS Energy Letters 4, no. 4:896-902. PNNL-SA-134330. doi:10.1021/acsenergylett.9b00381 
  • Ren X., L. Zou, X. Cao, M.H. Engelhard, W. Liu, S.D. Burton, and H. Lee, et al. 2019. "Enabling High-Voltage Lithium-Metal Batteries under Practical Conditions." Joule 3, no. 7:1662-1676. PNNL-SA-140396. doi:10.1016/j.joule.2019.05.006 
  • Shutthanandan V., M.I. Nandasiri, J. Zheng, M.H. Engelhard, W. Xu, S. Thevuthasan, and V. Murugesan. 2019. "Applications of XPS in the Characterization of Battery Materials." Journal of Electron Spectroscopy and Related Phenomena 231. PNNL-SA-134570. doi:10.1016/j.elspec.2018.05.005 
  • Song J., D. Xiao, H. Jia, G. Zhu, M.H. Engelhard, B. Xiao, and S. Feng, et al. 2019. "A Comparative Study of Pomegranate Sb@C Yolk-Shell Microspheres as Li and Na-Ion Battery Anodes." Nanoscale 11, no. 1:348-355. PNNL-SA-139714. doi:10.1039/c8nr08461k 
  • Wu H., Y. Xu, X. Ren, B. Liu, M.H. Engelhard, M.S. Ding, and P.Z. El-Khoury, et al. 2019. "Polymer-in-"quasi-ionic liquid" electrolytes for high-voltage lithium metal batteries." Advanced Energy Materials 9, no. 41:1902108. PNNL-SA-144443. doi:10.1002/aenm.201902108