Publications

Submitted

  • S. K. Kim, S. Khodorov, C.-T. Chen, S. Kim, I. Lubomirsky, “A Simple Model for Determination of Grain Boundary Potential from Current-Voltage Characteristics”

Accepted / In Press

  • S. Kim, ” Grain boundary conductivity” In: Savinell R., Ota K., Kreysa G. (Ed.) Encyclopedia of Applied Electrochemistry: SpringerReference,. Springer-Verlag, New York, Heidelberg, London, Dordrecht.

 

Books / Magazines / Journals Edited

  • S. Kim, “Preface to the viewpoint set on: Solid oxide fuel cells”, Scripta Mater., 2011, 65(2), 65.
  • S. Kim, S. Yamaguchi, J. Elliot, (editorial article) “Solid State Ionics in the 21st Century: Current Status and Future Prospects”, MRS Bull. 2009, 34, 900.
  • X. Guo, S. Kim, (invited), “Nanostructured Ionic and Mixed Conducting Oxides”, in Annual Review of Nano Research, C. J. Brinker and G. Cao, Eds., Volume 3, pp 495-543, The World Scientific Publishing Co., 2008.
  • S. Kim, “Nano-structured solid state electrochemical systems: Applications and challenges”, Interface, (invited), 2006, 15(3), 28.

Peer Journal Reviews

  • M. J. Pietrowski, R. A. De Souza, S. Kim, Z. A. Munir, M. Martin, “Dehydration kinetics of nano-YSZ ceramics monitored by in-situ Infrared Spectroscopy”, Solid State Ionics, 2012, 225(4), 241-244
  • C. -T. Chen, S. Sen, S. Kim, “Effective concentration of mobile oxygen-vacancies in heavily doped cubic zirconia: Results from combined electrochemical impedance and NMR spectroscopies”, Chem. Mater., 2012, 24, 3604-3609
  • C. -T. Chen, S. K. Kim, M. Ibbotson, A. Yeung, S. Kim, “Thermionic Emission of Protons across a Grain Boundary in Y-doped SrZrO3, a Hydrogen Pump”, Int. J. Hydrogen Energy, 2012, 37, 12432
  • C. T. Chen, K. Choi, S. Kim, ” Current-Voltage characteristics of a grain boundary in polycrystalline Sr-doped LaGaO3″, Phys.Chem.Chem.Phys, 2012, 14(25), 9047
  • R. Korobko, C.-T. Chen, S. Kim, S. R. Cohen, E. Wachtel, N. Yavo, I. Lubomirsky, “Influence of Gd content on the room temperature mechanical properties of Gd-doped ceria”, Scripta Mater., 2012, 66(3-4), 155.
  • F. Iguchi, C.-T. Chen, H. Yugami, S. Kim, “Direct Evidence of Potential Barriers at Grain Boundaries in Y-doped BaZrO3 from DC-Bias Dependence Measurements”, J. Mater. Chem., 2011, 21(41), 16517-16523.
  • J. Huh, J. Na, J.S. Ha, S. Kim, G.T. Kim, “Asymmetric Contacts on a Single SnO2 Nanowire Device: An Investigation Using an Equivalent Circuit Model”, ACS Appl. Mater. Interfaces, 2011, 3(8), 3097.
  • R. A. De Souza, Z. A. Munir, S. Kim, M. Martin, “Defect Chemistry of Grain Boundaries in Proton-conducting Solid Oxides”, Solid State Ionics, 2011, 196, 1.  *Most read paper*
  • S. Chen, G. Costa, S. Wang, Z. M. Munir, S. Kim, A. Navrotsky, “Grain Boundary Enthalpies of Cubic Yttria – Stabilized Zirconia”, J. Am. Ceram. Soc., 2011, 94[7], 2181.
  • F. Yang, S. Kim. Y. Takamura, “Strain effect on the electrical conductivity of epitaxial La0.67Sr0.33MnO3 thin films”, Scripta Mater.,2011, 65, 29.
  • C. T. Chen, C. E. Danel, S. Kim, “On the Origin of the Blocking Effect of Grain-Boundaries on Proton Transport in Yttrium doped Barium Zirconates”, J. Mater. Chem., 2011, 21(14), 5435-5442.
  • M. K. Joo, P. Kang, G.-T. Kim, S. Kim, “A dual analyzer for real-time impedance and noise spectroscopy for transient measurements”, Rev. Sci. Instrum., 2011, 82, 034702.
  • H. J. Avila-Paredes, C. T. Chen, S. Wang, R. A. De Souza, M. Martin, Z. A. Munir, and S. Kim, “Grain Boundaries in Dense Nanocrystalline Ceria Ceramics: Exclusive Pathways for Proton Conduction at Room Temperature,” J. Mater. Chem., 2010, 20, 10110-10112.
  • D.V. Quach, H. J. Avila-Paredes, S. Kim, M. Martin and Z.A. Munir, “Pressure effects and grain growth kinetics in the consolidation of nanostructured fully stabilized zirconia by pulsed electric current sintering,” Acta Mater., 2010, 58, 5022-5030.
  • D. V. Quach, S. Kim, M. Martin, and Z. A. Munir, “Sintering and Properties of Nanometric Functional Oxides”, Ceram. Trans., 2010, vol 212.
  • S. Kim, P. Jain, H. J. Avila-Predes, A. Thron, K. van Benthem, S. Sen, “Strong immobilization of charge carriers near the surface of a solid oxide electrolyte”, J. Mater. Chem., 2010, 20, 3855.
  • H. J. Avila-Paredes, E. Barrera-Calva, H. U. Anderson, R. A. De Souza, M. Martin, Z. A. Munir and S. Kim “Room-Temperature Protonic Conduction in Nanocrystalline Films of Yttria-Stabilized Zirconia”, J. Mater. Chem., 2010, 20, 6235-6238.
  • S. Wang, S.Chen, A. Navrotsky, M. Martin, S. Kim, Z. A. Munir, “Modified polyol-mediated synthesis and consolidation of Gd-doped ceria nanoparticles”, Solid State Ionics, 2010, 181, 372.
  • P. Jain, S. Kim, R. Youngman, S. Sen, “Direct Observation of Defect Dynamics in Nanocrystalline CaF2: Results from 19F MAS NMR Spectroscopy”, J. Phys. Chem. Lett., 2010, 1, 1126.
  • H. J. Avila-Paredes, J. Zhao, S. Wang, M. Pietrowski, A. Reinholdt, Z. A. Munir, M. Martin, and S. Kim, “Protonic Conductivity of Nano-structured Yttria-Stabilized Zirconia: Dependence on Grain Size” J. Mater. Chem., 2010, 90, 990.
  • H. J. Avila-Paredes, P. Jain, S. Sen, S. Kim, “Oxygen Transport in Sc-doped CeO2: Cation (45Sc) NMR as a Probe of Anionic Conductivity”, Chem. Mater., 2010, 22, 893.
  • R. M. Rakhmatullin, L. K. Aminov, I. N. Kurkin, R. Böttcher, A. Pöppl, H. J. Avila-Paredes, S. Kim, S. Sen, “EPR linewidth narrowing of Gd3+ ions in Y-doped ceria nanocrystals with decreasing crystallite size”, J. Chem. Phys., 2009, 131, 124515.
  • H. Avila-Paredes, T. Shvareva, W. Chen, , A. Navrotsky, S. Kim, “A correlation between the ionic conductivities and the formation enthalpies of trivalent-doped CeO2 at relatively low temperatures”, Phys. Chem. Chem. Phys., 2009, 11, 8580.
  • H. J. Avila-Paredes, K. Choi, C. T. Chen, S. Kim, “Dopant-concentration dependence of grain-boundary conductivity in ceria: A space-charge analysis”, J. Mater. Chem., 2009, 19, 4837.
  • P. Jain, H. J. Avila-Paredes, C. Gapuz, S. Sen, S. Kim, “High-Resolution 89Y and 45Sc NMR Spectroscopic Study of Short-Range Structural Order in Nanocrystalline Y- and Sc-doped CeO2 and ZrO2“, J. Phys. Chem. C, 2009, 113, 6553.
  • S. Kim, “The intrinsic origin of the grain-boundary resistance in Sr-doped LaGaO3” (invited), Monatschefte fuer Chemie, 2009, 140 (9), 1053.
  • S. Kim, J. S. Lee, C. Mitterbauer, Q. M. Ramasse, M. Sarahan, N. D. Browning, H. J. Park, “Anomalous Electrical Conductivity of Nano-Sheaves of CeO2”, Chemistry of Materials,  2009, 21, 1182.
  • S. Kim, H. J. Avila-Paredes, S. Wang, C. T. Chen, R. A. De Souza, M. Martin, Z. A. Munir, “On the conduction pathway for protons in nano-crystalline yttria-stabilized zirconia”, Phys. Chem. Chem. Phys., 2009, 11, 3035.
  • S. Chen, H. J. Avila-Paredes, S. Kim, J. Zhao, Z. Munir, A. Navrotsky, “Calorimetric Measurement of Grain Boundary and Surface Enthalpies in Yttria Stabilized Zirconia”, Phys. Chem. Chem. Phys., 2009,  11, 3039.
  • K. Kim, H. Kang, H. Kim, J. S. Lee, S. Kim, W. Kang, G.T. Kim, “Contact barriers in a single ZnO nanowire device”, Appl. Phys. A,2009, 94(2), 253.
  • S. Sen, H. J. Avila-Paredes, S. Kim, “Direct spectroscopic observation of size-dependent vacancy distribution in Y-doped CeO2”, J. Mater. Chem., 2008, 18, 3915.
  • H. J. Park, S. Kim, “The enhanced electronic transference number at the grain boundaries in Sr-doped LaGaO3”, Solid State Ionics,2008,  179, 1329.
  • J. Huh, G.T. Kim, J. S. Lee, and S. Kim, “A Direct Measurement of the Local Resistances in a ZnO-Tetrapod by Means of Impedance Spectroscopy: The Role of the Junction in the Overall Resistance”, Appl. Phys. Lett., 2008, 93, 042111.
  • N. H. Perry, S. Kim, T. O. Mason, “Local electrical and dielectric properties of nanocrystalline yttria stabilized zirconia”, J. Materials Science, 2008, 43, 4684.
  • R. A. De Souza, M. J. Pietrowski, U. Anselmi-Tamburini, S. Kim, Z. A. Munir, M. Martin, “Oxygen diffusion in nanocrystalline yttria-stabilized zirconia: the effect of grain boundaries”, Phys. Chem. Chem. Phys., 2008, 10, 2067 *Hot Article*
  • S. Kim, U. Anselmi-Tamburini, H. J.Park, M. Martin and Z. A. Munir, “Unprecedented Room-Temperature Electrical Power Generation Using Nanoscale Fluorite-Structured Oxide Electrolytes”, Advanced Materials, 2008, 20, 556.
  • P. Zhang, Fen Xu, A. Navrotsky, J. S. Lee, S. Kim, J. Liu, “Surface enthalpies of Nanophase ZnO with Different Morphologies”, Chem. Mater., 2007, 19, 5687.
  • H. J. Park and S. Kim, “Space Charge Effects on the Interfacial Conduction in Sr-Doped Lanthanum Gallates: A Quantitative Analysis”, J. Phys. Chem. C., 2007, 111, 14903.
  • J. S. Lee, M. S. Islam and S. Kim, “Photoresponses of ZnO nanobridge devices fabricated using a single-step thermal evaporation method”, Sensors and Actuators B, 2007, 126, 73.
  • H. J. Park and S. Kim, “Electrochemical Characteristics of ZnO-Nanowire/Yttria Stabilized Zirconia as a Cathode for SOFCs”,Electrochem. Solid-State Lett, 2007, 10 (11), B187.
  • J. S. Lee and S. Kim, “Synthesis and characterization of Ce1-xGdxO2-d nanorods”, J. Am. Ceram. Soc., 2007, 90 [2], 661-663 .
  • H. J. Avila-Paredes and S. Kim, “The effect of segregated transition metal ions on the grain boundary resistivity of gadolinium doped ceria: Alteration of the space charge potential”, Solid State Ionics, 2006, 177, 3075.
  • J. S. Lee, M. S. Islam, and S. Kim. “Direct formation of catalyst free ZnO nanobridge devices on an etched Si substrate using a thermal evaporation method”, Nano Lett., 2006, 6 (7), 1487.
  • J.S. Lee, U. Anselmi-Tamburini, Z. A. Munir and S. Kim. “A direct evidence of electron accumulation in the grain boundary of yttria doped nanocrystalline zirconia ceramics”, Electrochem. Solid-State Lett., 2006, 9(8), J34-J36.
  • C. Y. Yim, D.Y. Jeon, K. H. Kim, G. T. Kim, Y. S. Woo, S. Roth. J. S. Lee, S. Kim. “Electrical properties of the ZnO nanowire transistor and its analysis with equivalent circuit model”, J. Kor. Phys. Soc., 2006, 48(6), 1565-1569.
  • S. Kim, R. Merkle and J. Maier, “Oxygen Nonstoichiometry of Nanosized ceria Powder”, Surface Science, 2004, 549, 196.
  • S. Kim and J. Maier, “Partial Electronic and Ionic Conduction in Nanocrystalline Ceria: Role of Space Charge”, J. Eur. Ceram. Soc.,2004, 24 (6), 1919.
  • S. Kim, R. Merkle and J. Maier, “Water Uptake of Nanocrystalline Ceria: Weight and Conductance Effects”, Solid State Ionics, 2003,161, 113.
  • S. Kim and J. Maier, “Electrical Conductivity of ZnO: Nanocrystalline vs. Microcrystalline Ceramics”, Electrochem. Solid-State Lett.,2003, 6(11) J7.
  • S. Kim, J. Fleig and J. Maier, “Space Charge Conduction: Simple Analytical Solutions for Ionic and Mixed Conductors and Application to Nanocrystalline Ceria”, Phys. Chem. Chem. Phys., 2003, 5, 2268.
  • S. Kim and J. Maier, “On the Conductivity Mechanism of Nanocrystalline Ceria”, J. Electrochem. Soc., 2002, 149(10), J73-J83.
  • S. Kim, S. Wang, X. Chen, Y.L. Yang, N. Wu, A. Ignatiev, A.J. Jacobson, and B. Abeles, “Oxygen Surface Exchange in Mixed Ionic Electronic Conductors: Application to La0.5Sr0.5Fe0.8Ga0.2O3-d”, J. Electrochem. Soc., 2000, 147(6), 2398-2406.
  • S. Kim, Y.L. Yang, A.J. Jacobson and B. Abeles, “Oxygen Surface Exchange in Mixed Ionic Electronic Conductors”, Solid State Ionics, 1999, 121, 31.
  • S. Kim, Y.L. Yang, R. Christoffersen and A.J. Jacobson, “Determination of Oxygen Permeation Kinetics in a Ceramic Membrane Based on the Composition SrFeCo0.5O3.25-d“, Solid State Ionics, 1998, 109, 187.
  • S. Kim, Y.L. Yang, A.J. Jacobson and B. Abeles, “Diffusion and Surface Coefficients in Mixed Ionic Electronic Conducting Oxides from the Pressure Dependence of Oxygen Permeation”, Solid State Ionics, 1998, 106, 189.
  • S. Kim, Y.L. Yang, R. Christoffersen and A.J. Jacobson, “Oxygen Permeation, Electrical Conductivity and Stability of the Perovskite Oxide La0.2Sr0.8Co0.6Cu0.4O3-x“, Solid State Ionics, 1997, 104, 57.
  • C.S. Chin, B. Lee, S. Kim and J. Chun, “Generation of Simple Enols in Non-aqueous Solution by Fast Double-bond Migration of Allylic Alcohols with Rhodium(I) and Iridium(I) Complexes”, J. Chem. Soc. Dalton Trans., 1991, 3, 443.
  • C.S. Chin, Y.S. Lee, J. Park and S. Kim, “A Stable Simple Enol: Ketonization of 2-Methylprop-en-1-ol in Nonaquous Solvents”, J. Am. Chem. Soc. 1988, 110, 8244.

Proceedings

  • D. V. Quach, S. Kim, R. A. De Souza, M. Martin, Z. A. Munir, “Grain Size Effect in the Electrical Properties of Nanostructured Functional Oxides through Pressure Modification of the Spark Plasma Sintering Method”, Key Engineering Materials Vol. 484 (2011) pp 107-116.
  • S. Kim. “High Temperature Electrical Conductivity of Nano-structured ZnO”, SPIE, Optics East, Nanosensing: Materials and Devices II, vol. 6008, 60080D-1-60080D-7 (2005).
  • S. Kim, J. Fleig, and J. Maier, “On the Electrical conductivity of Nanocrystalline Cerium Oxide”  In Ionic and Mixed Conducting Ceramics IV, T. A. Ramanarayanan, W. L. Worrell, and M. Mogensen, eds., Vol. PV 2001-28, The Electrochemical Society, Pennington, NJ, p 208 (2001).
  • S. Kim, A.J. Jacobson and B. Abeles, “Oxygen Transport Kinetics in La0.5Sr0.5Fe0.8Ga0.2O3-d under both Small and Large Oxygen Partial Pressure Gradients” Mat. Res. Soc. Symp. Proc., Boston, vol. 548, 563 (1999).
  • O.A. Gokcen, S. Kim, J.K. Meen, D. Elthon and A.J. Jacobson, “Oxygen Ion Conductivities of Rhombohedral Phases in the Ba-Sr-Bi Oxide System”, Mat. Res. Soc. Symp. Proc., Boston, vol. 548, 499 (1999).
  • S. Kim, Y.L. Yang, R. Christoffersen and A.J. Jacobson, “Determination of Oxygen Permeation Kinetics in a Ceramic Membrane Based on the Composition SrFeCo0.5O3.25-d“, Mat. Res. Soc. Symp. Proc. Vol. 496, 249 (1998).
  • A.J. Jacobson, S. Kim, A. Medina, Y.L. Yang and B. Abeles, “ Dense Oxide Membranes for Oxygen Separation and Methane Conversion”, Mat. Res. Soc. Symp. Proc., Boston, Vol. 496, 29 (1998).
  • R. Christoffersen, S. Kim, Y.L. Yang, and A.J. Jacobson, “Analytical TEM and EPMA Study of Decomposition Reactions in an Oxygen-Separation Material”, in Microscopy and Microanalysis, vol. 3, supplement 2, pp. 745-746, (1997).
  • A.J. Jacobson, Y.L. Yang, T.H. Lee, S. Kim and B. Abeles, “Oxygen Permeation Studies of Diffusion and Surface Exchange in Mixed Conducting Oxide Electrode Materials”, Proceedings of the 5th Irnational Symposium on Solid Oxide Fuel Cells, PV97-40, The Electrochemical Society, Pittsburgh, PA, p 493 (1997).

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