Libor Kovarik

Libor Kovarik
Staff Member Title: 
Senior Research Scientist
Phone: 
(509) 375-4377
Contact Email: 
Libor.Kovarik@pnnl.gov
Overview: 

Dr. Libor Kovarik’s current research focuses on applying in-situ Transmission Electron Microscopy (TEM) techniques to study structure-property relationship of heterogeneous catalysts.  He is also involved in number of other research projects including the study of phase transformation and stability of oxides materials, structural and optical properties of aerosol particles, and development of low-dose techniques for imaging and analysis of beam sensitive materials. He also supports the TEM user activities at Environmental Molecular Sciences Laboratory (EMSL).

Details: 
  • 2010 – pres. Senior Research Scientist, Microscopy group, EMSL, PNNL
  • 2006 – 2010 Research Engineer II, Mat. Sci. and Eng., The Ohio State University
  • 2000 – 2006 Graduate Research Associate, Mat. Sci. and Eng., The Ohio State University
Education: 
  • Ph.D., Materials Science and Engineering, The Ohio State University, Columbus, OH, 2006
  • M.S., Mechanical Engineering, Southern Illinois University, Carbondale, IL, 2000
  • B.S./M.S., Materials Science and Engineering., Technical University Ostrava, Czech Republic, 1997
Awards & Honors: 
  • EMSL Director’s Award, 2013
  • CAMM Research Fellow (2001-2004)
  • Member, Materials Research Society
  • Member, American Microscopy Society
Research Interests: 
  • Transmission electron microscopy, both in terms of instrumentation and application of advanced characterization methods.
  • Computer simulation of TEM imaging, diffraction and spectroscopy phenomena
  • Phase transformations, defect structures such as dislocations and interfaces
  • Low dimensional and aperidic crystals.
Capabilities: 
Microscopy
Instrument(s): 
Environmental TEM

Publications

2016

  • VM Lebarbier, RA Dagle, L Kovarik, A Genc, Y Wang, ME Bowden, H Wan, MD Flake, VAlexandra Glezakou, DL King, RJ Rousseau. 2016. "Steam Reforming of Hydrocarbons from Biomass-Derived Syngas over MgAl2O4-Supported Transition Metals and Bimetallic IrNi Catalysts." Applied Catalysis. B, Environmental 184142-152. 10.1016/j.apcatb.2015.11.022
  • CD Smith, VM Lebarbier, MD Flake, KK Ramasamy, L Kovarik, ME Bowden, T Onfroy, RA Dagle. 2016. "Conversion of Syngas-Derived C2+ Mixed Oxygenates to C3-C5 Olefins over ZnxZryOz Mixed Oxides Catalysts." Catalysis Today 6(7)2325-2316. 10.1039/C5CY01261A
  • BR Muntifering, L Kovarik, ND Browning, RC Pond, WB Knowlton, P Mullner. 2016. "Stress assisted removal of conjugation boundaries in non-modulated Ni-Mn-Ga by coordinated secondary twinning." Journal of Materials Science 51(1)457-466. 10.1007/s10853-015-9236-1
  • R Xing, VM Lebarbier, MD Flake, L Kovarik, KO Albrecht, CA Deshmane, RA Dagle. 2016. "Steam Reforming of Fast Pyrolysis-Derived Aqueous Phase Oxygenates over Co, Ni, and Rh Metals Supported on MgAl2O4." Catalysis Today 269166-174. 10.1016/j.cattod.2015.11.046
  • B Wang, HT Harder, ST Kelly, D`Y Piens, S China, L Kovarik, M Keiluweit, BW Arey, MK Gilles, A Laskin. 2016. "Airborne Soil Organic Particles Generated by Precipitation." Nature Geoscience 9(6)433-438. 10.1038/NGEO2705
  • JA Aguiar, S Wozny, NR Alkurd, M Yang, L Kovarik, T Holesinger, MM Al-Jassim, K Zhu, W Zhou, JJ Berry. 2016. "Effect of Water Vapor, Temperature, and Rapid Annealing on Formamidinium Lead Triiodide Perovskite Crystallization." ACS Energy Letters 1(1)155-161. 10.1021/acsenergylett.6b00042
  • D Lao, RK Kukkadapu, L Kovarik, BW Arey, DJ Heldebrant, SK Nune. 2016. "Switchable Ionic Liquids: An Environmentally-friendly Medium to Synthesize Nanoparticulate Green Rust." Current Inorganic Chemistry 6(2)92-99. 10.2174/1877944106999160317160621
  • L Kovarik, AJ Stevens, AV Liyu, ND Browning. 2016. "Implementing an Accurate and Rapid Sparse Sampling Approach for Low-Dose Atomic Resolution STEM Imaging." Applied Physics Letters 109(16)Article No. 164102. 10.1063/1.4965720
  • TG Levitskaia, S Chatterjee, N Pence, J Romero, T Varga, MH Engelhard, Y Du, L Kovarik, BW Arey, ME Bowden, ED Walter. 2016. "Inorganic Tin Aluminophosphate Nanocomposite for Reductive Separation of Pertechnetate." Environmental Science: Nano 3(2)1003-1013. 10.1039/C6EN00130K

2015

  • ES Ilton, TC Droubay, AM Chaka, L Kovarik, T Varga, BW Arey, SN Kerisit. 2015. "Epitaxial single-crystal thin films of MnxTi1-xO2-δ grown on (rutile)TiO2 substrates with pulsed laser deposition: Experiment and theory." Surface Science 632185-194. 10.1016/j.susc.2014.10.013
  • AR Felmy, O Qafoku, BW Arey, L Kovarik, J Liu, DE Perea, ES Ilton. 2015. "Enhancing Magnesite Formation at Low Temperature and High CO2 Pressure: The Impact of Seed Crystals and Minor Components." Chemical Geology 395119-125. 10.1016/j.chemgeo.2014.12.003
  • W Jiang, HJ Jung, L Kovarik, Z Wang, TJ Roosendaal, Z Zhu, DJ Edwards, SY Hu, CH Henager, RJ Kurtz, Y Wang. 2015. "Magnesium behavior and structural defects in Mg+ ion implanted silicon carbide." Journal of Nuclear Materials 458146-155. 10.1016/j.jnucmat.2014.12.071
  • W Jiang, HJ Jung, L Kovarik, Z Wang, TJ Roosendaal, Z Zhu, DJ Edwards, SY Hu, CH Henager, RJ Kurtz, Y Wang. 2015. "MAGNESIUM PRECIPITATION AND DIFUSSION IN Mg+ ION IMPLANTED SILICON CARBIDE."
  • AM Karim, NM Al Hasan, SA Ivanov, S Siefert, RT Kelly, NG Hallfors, AD Benavidez, L Kovarik, A Jenkins, RE Winans, AK Datye. 2015. "Synthesis of 1 nm Pd Nanoparticles in a Microfluidic Reactor: Insights from in Situ X ray Absorption Fine Structure Spectroscopy and Small-Angle X ray Scattering ." Journal of Physical Chemistry C 119(23)13257–13267. 10.1021/acs.jpcc.5b01681
  • GB Viswanathan, R Shi, A Genc, VA Vorontsov, L Kovarik, CMF Rae, MJ Mills. 2015. "Segregation At Stacking Faults Within The γ′ Phase Of Two Ni-base Superalloys Following Intermediate Temperature Creep." Scripta Materialia 945-8. 10.1016/j.scriptamat.2014.06.032
  • JL Ewbank, L Kovarik, FZ Diallo, C Sievers. 2015. "Effect of Metal-Support Interactions in Ni/Al2O3 Catalysts with Low Metal Loading for Methane Dry Reforming." Applied Catalysis. A, General 49457-67. 10.1016/j.apcata.2015.01.029
  • Y Li, Z Wei, F Gao, L Kovarik, RA Baylon, CHF Peden, Y Wang. 2015. "Effect of Oxygen Defects on the Catalytic Performance of VOx/CeO2 Catalysts for Oxidative Dehydrogenation of Methanol." ACS Catalysis 5(5)3006-3012. 10.1021/cs502084g
  • DE Perea, I Arslan, J Liu, Z Ristanovic, L Kovarik, BW Arey, JA Lercher, SR Bare, BM Weckhuysen. 2015. "Determining the Location and Nearest Neighbors of Aluminum in Zeolites with Atom Probe Tomography." Nature Communications 6Article No. 7589. 10.1038/ncomms8589
  • T Varga, TC Droubay, ME Bowden, L Kovarik, D Hu, SA Chambers. 2015. "Strain-dependence Of The Structure And Ferroic Properties Of Epitaxial NiTiO3 Thin Films Grown On Different Substrates." Advances in Condensed Matter Physics 2015Art. No. 493045. 10.1155/2015/493045
  • L Kovarik, ME Bowden, D Shi, NM Washton, A Anderson, JZ Hu, J Lee, J Szanyi, JH Kwak, CHF Peden. 2015. "Unraveling the Origin of Structural Disorder in High Temperature Transition Al2O3: Structure of θ-Al2O3." Chemistry of Materials 27(20)7042-7049. 10.1021/acs.chemmater.5b02523
  • AJ Stevens, L Kovarik, P Abellan, X Yuan, L Carin, ND Browning. 2015. "TEM Video Compressive Sensing." Microscopy and Microanalysis 21(Suppl 3)1583-1584.
  • J Sun, AM Karim, XS Li, JE Rainbolt, L Kovarik, Y Shin, Y Wang. 2015. "Hierarchically structured catalysts for cascade and selective steam reforming/hydrodeoxygenation reactions." Chemical Communications 51(93)16617-16620. 10.1039/C5CC07244A

2014

  • M Xu, L Kovarik, BW Arey, AR Felmy, KM Rosso, SN Kerisit. 2014. "Kinetics and Mechanisms of Cadmium Carbonate Heteroepitaxial Growth at the Calcite (101¯4) Surface." Geochimica et Cosmochimica Acta 134221-233. 10.1016/j.gca.2013.11.036
  • ME Bishop, P Glasser, H Dong, BW Arey, L Kovarik. 2014. "Reduction And Immobilization Of Hexavalent Chromium By Microbially Reduced Fe-bearing Clay Minerals." Geochimica et Cosmochimica Acta 133186-203. 10.1016/j.gca.2014.02.040
  • L Kovarik, ME Bowden, A Genc, J Szanyi, CHF Peden, JH Kwak. 2014. "Structure of δ-Alumina: Toward The Atomic Level Understanding Of Transition Alumina Phases." Journal of Physical Chemistry C 11818051-18058. 10.1021/jp500051j
  • P Bhattacharya, EN Nasybulin, MH Engelhard, L Kovarik, ME Bowden, S Li, DJ Gaspar, W Xu, J Zhang. 2014. "Dendrimer-Encapsulated Ruthenium Nanoparticles as Catalysts for Lithium-O2 Batteries." Advanced Functional Materials 24(47)7510-7519. 10.1002/adfm.201402701
  • D Fan, R Anitori, BM Tebo, PG Tratnyek, JS Lezama Pacheco, RK Kukkadapu, L Kovarik, MH Engelhard, ME Bowden. 2014. "Oxidative Remobilization of Technetium Sequestered by Sulfide-Transformed Nano Zerovalent Iron." Environmental Science & Technology 48(13)7409-7417. 10.1021/es501607s
  • W Jiang, L Kovarik, Z Zhu, T Varga, MH Engelhard, ME Bowden, TM Nenoff, T Garino. 2014. "Microstructure and Cs Behavior of Ba-Doped Aluminosilicate Pollucite Irradiated with F+ Ions." Journal of Physical Chemistry C 118(31)18160-18169. 10.1021/jp5045223
  • WZ Li, L Kovarik, D Mei, MH Engelhard, F Gao, J Liu, Y Wang, CHF Peden. 2014. "A general mechanism for stabilizing the small sizes of precious metal nanoparticles on oxide supports." Chemistry of Materials 26(19)5475-5481. 10.1021/cm5013203
  • VMC Lebarbier, RA Dagle, L Kovarik, KO Albrecht, XS Li, L Li, CE Taylor, X Bao, Y Wang. 2014. "Sorption-Enhanced Synthetic Natural Gas (SNG) Production from Syngas: A Novel Process Combining CO Methanation, Water-Gas Shift, and CO2 Capture." Applied Catalysis. B, Environmental 144223-232. 10.1016/j.apcatb.2013.06.034
  • D Mei, VAlexandra Glezakou, VMC Lebarbier, L Kovarik, H Wan, KO Albrecht, MA Gerber, RJ Rousseau, RA Dagle. 2014. "Highly Active and Stable MgAl2O4 Supported Rh and Ir Catalysts for Methane Steam Reforming: A Combined Experimental and Theoretical Study." Journal of Catalysis 31611-23. 10.1016/j.jcat.2014.04.021
  • BR Muntifering, RC Pond, L Kovarik, ND Browning, P Muller. 2014. "Intra-variant Substructure in Ni-Mn-Ga Martensite: Conjugation Boundaries ." Acta Materialia 71255-263. 10.1016/j.actamat.2014.03.018
  • JL Ewbank, L Kovarik, CC Kenvin, C Sievers. 2014. "Effect Of Preparation Methods On The Performance Of Co/Al2O3 Catalysts For Dry Reforming Of Methane." Green Chemistry 16(2)885-896. 10.1039/c3gc41782d
  • Y Li, Z Wei, F Gao, L Kovarik, CHF Peden, Y Wang. 2014. "Effects of CeO2 Support Facets on VOx/CeO2 Catalysts in Oxidative Dehydrogenation of Methanol." Journal of Catalysis 315(1)15-24. 10.1016/j.jcat.2014.04.013
  • H Xin, S Alayoglu, R Tao, A Genc, CM Wang, L Kovarik, EA Stach, LW Wang, M Salmeron, GA Somorjai, H Zheng. 2014. "Revealing the Atomic Restructuring of Pt−Co Nanoparticles." Nano Letters 14(6)3203-3207. 10.1021/nl500553a

2013

  • I Jozwik Biala, JK Jagielski, BW Arey, L Kovarik, G Sattonay, A Debelle, S Mylonas, I Monnet, L Thome. 2013. "Effect of combined local variations in elastic and inelastic energy losses on the morphology of tracks in ion-irradiated materials." Acta Materialia 61(12)4669-4675. 10.1016/j.actamat.2013.04.037
  • BW Arey, L Kovarik, O Qafoku, Z Wang, NJ Hess, AR Felmy. 2013. "Identification of Fragile Microscopic Structures during Mineral Transformations in Wet Supercritical CO2." Microscopy and Microanalysis 19(2)268-275. 10.1017/S1431927612014171
  • J Jagielski, PA Jozwik, I Jozwik Biala, L Kovarik, BW Arey, J Gaca, W Jiang. 2013. "RBS/C, HRTEM and HRXRD study of damage accumulation in irradiated SrTiO3." Radiation Effects and Defects in Solids 168(6)442-449. 10.1080/10420150.2013.787796
  • D Fan, R Anitori, BM Tebo, PG Tratnyek, JS Lezama Pacheco, RK Kukkadapu, MH Engelhard, ME Bowden, L Kovarik, BW Arey. 2013. "Reductive Sequestration Of Pertechnetate (99TcO4–) By Nano Zerovalent Iron (nZVI) Transformed By Abiotic Sulfide." Environmental Science & Technology 47(10)5302-5310. 10.1021/es304829z
  • CM Wang, TC Kaspar, V Shutthanandan, AG Joly, L Kovarik, BW Arey, M Gu, A Devaraj, BD Wirth, RJ Kurtz. 2013. "Structure And Radiation Damage Behavior Of Epitaxial CrxMo1-x Alloy Thin Films On MgO." Journal of Nuclear Materials 437(1-3)55-61. 10.1016/j.jnucmat.2013.01.345
  • PA Jozwik, N Sathish, L Nowicki, J Jagielski, AW Turos, L Kovarik, BW Arey, V Shutthanandan, W Jiang, J Dyczewski, A Barcz. 2013. "Analysis of Crystal Lattice Deformation by Ion Channeling." Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics 123(5)828-830. 10.12693/APhysPolA.123.828
  • F Yang, DR Coughlin, PJ Phillips, L Yang, A Devaraj, L Kovarik, RD Noebe, MJ Mills. 2013. "Structure Analysis of a Precipitate Phase in an Ni-Rich High Temperature NiTiHf Shape Memory Alloy." Acta Materialia 61(9)3335-3346. 10.1016/j.actamat.2013.02.023
  • JS McCloy, W Jiang, TC Droubay, T Varga, L Kovarik, JA Sundararajan, M Kaur, Y Qiang, E Burks, K Liu. 2013. "Ion irradiation of Fe-Fe oxide core-shell nanocluster films: Effect of interface on stability of magnetic properties." Journal of Applied Physics 114(8)083903:1-9. 10.1063/1.4818309
  • W Jiang, L Kovarik, TM Nenoff. 2013. "Chemical and Charge Imbalance Induced by Radionuclide Decay: Effects on Waste Form Structure."
  • J Sun, AM Karim, H Zhang, L Kovarik, XS Li, A Hensley, JS McEwen, Y Wang. 2013. "Carbon-Supported bimetallic Pd-Fe catalysts for vapor-phase hydrodeoxygenation of guaiacol." Journal of Catalysis 306(1)47-57. 10.1016/j.jcat.2013.05.020
  • L Kovarik, A Genc, CM Wang, A Qiu, CHF Peden, J Szanyi, JH Kwak. 2013. "Tomography and High-Resolution Electron Microscopy Study of Surfaces and Porosity in a Plate-Like γ-Al2O3." Journal of Physical Chemistry C 117(1)179−186. 10.1021/jp306800h
  • JH Kwak, L Kovarik, J Szanyi. 2013. "Heterogeneous Catalysis on Atomically Dispersed Supported Metals: CO2 Reduction on Multifunctional Pd Catalysts." ACS Catalysis 3(9)2094-2100. 10.1021/cs4001392
  • WZ Li, L Kovarik, D Mei, J Liu, Y Wang, CHF Peden. 2013. "Stable platinum nanoparticles on specific MgAl2O4 spinel facets at high temperatures in oxidizing atmospheres." Nature Communications 4Article No. 2481. 10.1038/ncomms3481
  • D Mei, VMC Lebarbier, RJ Rousseau, VAlexandra Glezakou, KO Albrecht, L Kovarik, MD Flake, RA Dagle. 2013. "Comparative Investigation of Benzene Steam Reforming over Spinel Supported Rh and Ir Catalysts." ACS Catalysis 3(6)1133-1143. 10.1021/cs4000427
  • A Genc, L Kovarik, M Gu, H Cheng, P Plachinda, L Pullan, B Freitag, CM Wang. 2013. "XEDS STEM Tomography For 3D Chemical Characterization Of Nanoscale Particles." Ultramicroscopy 13124-32. 10.1016/j.ultramic.2013.03.023
  • JH Kwak, L Kovarik, J Szanyi. 2013. "CO2 Reduction on Supported Ru/Al2O3 Catalysts: Cluster Size Dependence of Product Selectivity." ACS Catalysis 3(11)2449-2455. 10.1021/cs400381f

2012

  • I Jozwik Biala, JK Jagielski, L Thome, BW Arey, L Kovarik, G Sattonay, A Debelle, I Monnet. 2012. "HRTEM study of track evolution in 120-MeV U irradiated Gd2Ti2O7." Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms 286258-261. 10.1016/j.nimb.2011.12.040
  • T Peretyazhko, JM Zachara, RK Kukkadapu, SM Heald, IV Kutnyakov, CT Resch, BW Arey, CM Wang, L Kovarik, JL Phillips, DA Moore. 2012. "Pertechnetate (TcO4-) reduction by reactive ferrous iron forms in naturally anoxic, redox transition zone sediments from the Hanford Site, USA." Geochimica et Cosmochimica Acta 9248-66.
  • W Jiang, RM Van Ginhoven, L Kovarik, JE Jaffe, BW Arey. 2012. "Superlattice Structure and Precipitates in O+ and Zr+ Ion Coimplanted SrTiO3: a Model Waste Form for 90Sr." Journal of Physical Chemistry C 116(31)16709-16715. 10.1021/jp301343b
  • O Qafoku, L Kovarik, RK Kukkadapu, ES Ilton, BW Arey, J Tucek, AR Felmy. 2012. "Fayalite Dissolution and Siderite Formation in Water-Saturated Supercritical CO2." Chemical Geology 332-333124-135. 10.1016/j.chemgeo.2012.09.028
  • CM Wang, X Li, Z Wang, W Xu, J Liu, F Gao, L Kovarik, J Zhang, J Howe, DJ Burton, Z Liu, X Xiao, S Thevuthasan, DR Baer. 2012. "In Situ TEM Investigation of Congruent Phase Transition and Structural Evolution of Nanostructured Silicon/Carbon Anode for Lithium Ion Batteries." Nano Letters 12(3)1624–1632. 10.1021/nl204559u
  • ES Ilton, JS Lazama Pacheco, JR Bargar, Z Shi, J Liu, L Kovarik, MH Engelhard, AR Felmy. 2012. "Reduction of U(VI) Incorporated in the Structure of Hematite." Environmental Science & Technology 46(17)9428-9436. 10.1021/es3015502
  • MC Brandes, L Kovarik, MK Miller, MJ Mills. 2012. "Morphology, structure, and chemistry of nanoclusters in a mechanically alloyed nanostructured ferritic steel." Journal of Materials Science 47(8)3913-3923. 10.1007/s10853-012-6249-x
  • PJ Phillips, M De Graef, L Kovarik, A Agrawal, W Windl, MJ Mills. 2012. "Atomic-resolution defect contrast in low angle annular dark-field STEM." Ultramicroscopy 11647-55. 10.1016/j.ultramic.2012.03.013
  • JH Kwak, RG Tonkyn, DN Tran, D Mei, SJ Cho, L Kovarik, JH Lee, CHF Peden, J Szanyi. 2012. "Size-dependent catalytic performance of CuO on γ-Al2O3: NO reduction versus NH3 oxidation." ACS Catalysis 2(7)1432-1440. 10.1021/cs3002463
  • J Xiao, X Chen, PV Sushko, ML Sushko, L Kovarik, J Feng, Z Deng, J Zheng, GL Graff, Z Nie, D Choi, J Liu, J Zhang, MS Whittingham. 2012. "High-Performance LiNi0.5Mn1.5O4 Spinel Controlled by Mn3+ Concentration and Site Disorder." Advanced Materials 24(16)2109-2116. 10.1002/adma.201104767
  • VMC Lebarbier, RA Dagle, L Kovarik, JA Lizarazo Adarme, DL King, DR Palo. 2012. "Synthesis of Methanol and Dimethyl Ether from Syngas over Pd/ZnO/Al2O3 Catalysts." Catalysis Science & Technology 2(10)2116-2127. 10.1039/C2CY20315D
  • L Xiao, Y Cao, J Xiao, W Wang, L Kovarik, Z Nie, J Liu. 2012. "High capacity, reversible alloying reactions in SnSb/C nanocomposites for Na-ion battery applications." Chemical Communications 48(27)3321-3323. 10.1039/C2CC17129E
  • JP Lemmon, E Polikarpov, WD Bennett, L Kovarik. 2012. "Thin Metal Oxide Films to Modify a Window Layer in CdTe-Based Solar Cells for Improved Performance." Applied Physics Letters 100(21)Article No, 213908. 10.1063/1.4722921
  • L Kovarik, MJ Mills. 2012. "Ab Initio Analysis of Guinier–Preston–Bagaryatsky Zone Nucleation in Al-Cu-Mg Alloys." Acta Materialia 60(9)3861-3872. 10.1016/j.actamat.2012.03.044
  • VA Vorontsov, L Kovarik, MJ Mills, C Rae. 2012. "High Resolution Electron Microscopy Of Dislocation Ribbons In A CMSX-4 Superalloy single crystal." Acta Materialia 60(12)4673-4996. 10.1016/j.actamat.2012.05.014
  • F Yang, L Kovarik, PJ Phillips, RD Noebe, MJ Mills. 2012. "Characterizations Of Precipitate Phases In a Ti-Ni-Pd Alloy." Scripta Materialia 67(2)145-148. 10.1016/j.scriptamat.2012.04.003
  • J Zheng, J Xiao, X Yu, L Kovarik, M Gu, F Omenya, X Chen, XQ Yang, J Liu, GL Graff, MS Whittingham, J Zhang. 2012. "Enhanced Li+ ion transport in LiNi0.5Mn1.5O4 through Control of Site Disorder." Physical Chemistry Chemical Physics. PCCP 14(39)13515-13521.
  • MS Rajachidambaram, T Varga, L Kovarik, RP Sanghavi, V Shutthanandan, S Thevuthasan, S Han, C Chang, GS Herman. 2012. "Formation of zinc oxide films using submicron zinc particle dispersions." Journal of Vacuum Science and Technology B--Microelectronics and Nanometer Structures 30(4)Article No. 041805. 10.1116/1.4731255
  • T Wu, D Childers, C Gomez, AM Karim, N Schweitzer, A Kropf, H Wang, TB Bolin, Y Hu, L Kovarik, R Meyer, JT Miller. 2012. "General Method for Determination of the Surface Composition in Bimetallic Nanoparticle Catalysts from the L Edge X-ray Absorption Near-Edge Spectra." ACS Catalysis 2(11)2433-2443. 10.1021/cs3004566
  • AM Karim, CJ Howard, BQ Roberts, L Kovarik, L Zhang, DL King, Y Wang. 2012. "In Situ X-ray Absorption Fine Structure Studies on the Effect of pH on Pt Electronic Density during Aqueous Phase Reforming of Glycerol." ACS Catalysis 2(11)2387-2394. 10.1021/cs3005049
  • AD Benavidez, L Kovarik, A Genc, N Agrawal, EM Larsson, TW Hansen, AM Karim, AK Datye. 2012. "Environmental Transmission Electron Microscopy Study of the Origins of Anomalous Particle Size Distributions in Supported Metal Catalysts." ACS Catalysis 2(11)2349-2356. 10.1021/cs3005117

2011

  • AS Lea, BC Kabius, BW Arey, L Kovarik, CM Wang, G Orr, I Lyubinetsky, RR Carper. 2011. "Quietly Building Capabilities: New Instruments, Expertise, "Quiet Wing" Available at DOE User Facility." Microscopy Today 19(5)48-53. 10.1017/S1551929511000964
  • BW Arey, L Kovarik, Z Wang, AR Felmy. 2011. "Investigation of Mineral Transformations in Wet Supercritical CO2 by Electron Microscopy." Microscopy and Microanalysis 17(Suppl S2)1928-1929. 10.1017/S1431927611010518
  • RP Sanghavi, R Devanathan, MI Nandasiri, SVN T Kuchibhatla, L Kovarik, S Thevuthasan, S Prasad. 2011. "Integrated experimental and modeling study of the ionic conductivity of samaria-doped ceria thin films." Solid State Ionics 204-20513-19. 10.1016/j.ssi.2011.10.007
  • L Kovarik, MJ Mills. 2011. "Structural Relationship Between One-Dimensional Crystals of Guinier-Preston-Bagaryatsky Zones in Al-Cu-Mg Alloys." Scripta Materialia 64(11)999-1002. 10.1016/j.scriptamat.2011.01.033
  • RR Unocic, N Zhou, L Kovarik, C Shen, Y Wang, MJ Mills. 2011. "Dislocation decorrelation and relationship to deformation microtwins during creep of a y' precipitate strengthened Ni-based superalloy." Acta Materialia 59(19)7325–7339. 10.1016/j.actamat.2011.07.069
  • RH Bowker, MC Smith, M Pease, KM Slenkamp, L Kovarik, ME Bussell. 2011. "Synthesis and Hydrodeoxygenation Properties of Ruthenium Phosphide Catalysts." ACS Catalysis 1(8)917-922. 10.1021/cs200238v