Pitt | Swanson Engineering
Saidi, Wissam
Mechanical Engineering & Materials Science
Saidi, Wissam
Faculty
Associate Professor
Office: 538F Benedum Hall
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• Ph.D., Ohio State University, Physics (2003)

• M.S., Ohio University, Physics (1999)

• B.S., Lebanese University, Physics (1996)

3. Research Award, the Professional Development Fund, The Ohio State University (2003).


2. E. F. Hayes Graduate Research Forum Science Award, The Ohio State University (2002).


1. Departmental Fellowship, The Ohio State University (1999-2000).

Refereed Journal Papers: (students and trainees underlined)

68. Benjamin J. Foley, Daniel L. Marlowe, Keye Sun, Wissam A. Saidi , Louis Scudiero, Joshua J. Choi and Mool C. Gupta, Temperature Dependent Energy Levels of Methylammonium Lead Iodide Perovskite , Applied Phys. Lett., submitted 2015 (Theory-Related Senior Author )

67. Y. Qi, J. M. P. Martirez, Wissam A. Saidi , J. J. Urban, W. S. Yun, J. E. Spanier, A. M. Rappe, Modified Schottky emission to explain thickness dependence and slow depolarization in BaTiO3 nanowires , Physical Review B, submitted 2015.

66. Shih-Hsien Liu, Wissam A. Saidi , Y. Zhou and Kristen A. Fichthorn, Polyol Synthesis of Late 4d and 5d Transition-Metal Nanostructures: Insights from Density Functional Theory , Journal of Chemical Physical Chemistry, submitted December 2013.

65. Wissam A. Saidi , Trends in the Adsorption and Growth Morphology of Metals on MoS2(001) Surface , Crystal Growth and Synthesis, accepted (2015).

64. Wissam A. Saidi , Density-Functional Theory Study of Growth and Nucleation of Pt Nanoparticles on MoS2(001) , Crystal Growth and Synthesis, 15 , 642-652 (2015).

63.  Qing ZhuWissam A. Saidi  and Judith Yang, Step-induced oxygen upward diffusion on stepped Cu(100) surface , Journal of Chemical Physical Chemistry, 119 , 251-261 (2015).(Corresponding Author)

62.  Liang Li , Na Cai, Wissam A. Saidi  and Guangwen Zhou, Role of oxygen in Cu(110) surface reconstruction in the vicinity of step edges , Chem. Phys. Lett., 613 , 64-69 (2014).(Theory-Related Senior Author)

61. Kevin D. Parrish, Ankit Jain, Jason M. Larkin, Wissam A. Saidi  and Alan J. H. McGaughey, Origins of Thermal Conductivity Changes in Strained Crystals, Phys. Rev. B90 , 235201 (2014).

60. Wissam A. Saidi , Influence of Strain and Metal thickness on Metal-MoS2 Contacts , Journal of Chemical Physics, 141 , 094707 (2014).

59.  Liang Li , Qianqian Liu, Jonathan Li, Wissam A. Saidi  and Guangwen Zhou, Phase transition in the oxygen chemisorbed Cu(110)-(2×1)-O as a function of oxygen coverage , Journal of Physical Chemistry C, 118, 20858-20866 (2014). (Theory-Related Senior Author )

58. Hao Bai, Wentao Jiang, Gregg P. Kotchey, Wissam A. Saidi , Benjamin J. Bythell, Jacqueline M. Jarvis, Alan G. Marshall, Rena A. S. Robinson, and Alexander Star, Insight into the Mechanism of Graphene Oxide Degradation via the Photo-Fenton Reaction , Journal of Physical Chemistry C, 118 , 10519-10529, (2014).

57.  Liang Li , Langli Luo, Jim Ciston, Wissam A. Saidi , Eric A. Stach, Judith C Yang and Guangwen Zhou, Surface step induced oscillatory oxide growth , Phys. Rev. Lett., 113 , 136104 (2014). (Theory-Related Senior Author )

56. Wissam A. Saidi , John Mark Martirez and Andrew Rappe, Strong reciprocal interaction between polarization and surface stoichiometry in ferroelectrics , Nano Lett., 14 , 6711-6717 (2014).

55. Wissam A. Saidi , van der Waals Epitaxial Growth of Transition Metal Dichalcogenides on Pristine and N-doped Graphene , Crystal Growth and Synthesis, 14 , 4920-4928 (2014). 2

54. Yu Li Huang, Elisabeth Wruss, David A. Egger, Satoshi Kera, Nobuo Ueno, Wissam A. Saidi , Tomas Bucko, Andrew T. S. Wee, Egbert Zojer, Understanding the adsorption of CuPc and ZnPc on noble metal surfaces by combining quantum-mechanical modeling and photoelectron spectroscopy , Molecules, 19 , 2969-2992 (2014).

53. Erie H. Morales, John Mark Martirez, Wissam A. Saidi , Andrew Rappe, and Dawn A. Bonnell, Kinetic and Thermodynamical Coexisting Phases at the BaTiO3 (001) Surface , ACS Nano, 8 , 4465-4473 (2014).

52. Qing Zhu , Chris Fleck, Wissam A. Saidi , Alan J. H. McGaughey, and Judith C. Yang, TFOx: A Versatile Kinetic Monte Carlo Program for Simulations of Island Growth in Three Dimensions , Computational Material Science, 91 , 293-302 (2014).

51. Qianqian Liu, Liang Li , Na Cai, Wissam A. Saidi  and Guangwen Zhou, Oxygen chemisorption induced surface phase transitions on Cu(110) , Surface Science, 627 , 75, (2014). (Theory Related Senior Author)

50. Ya Zhou, Wissam A. Saidi  and Kristen A. Fichthorn, A force field for describing the PVP-mediated solution-phase synthesis of shape-selective Ag nanoparticles , Journal of Physical Chemistry C, 118 , 3366-3374 (2014).

49. Wissam A. Saidi , Effects of Topological Defects and Diatom-Vacancies on Characteristic Vibration Modes and Raman Intensities of Zigzag Single-Walled Carbon Nanotubes , J. Phys. Chem. A, 118 , 7235-7241 (2014).

48. Wissam A. Saidi  and Patrick Norman, Spectroscopic Signatures of Topological and Diatom-Vacancy Defects in Single-Walled Carbon Nanotubes , Phys. Chem. Chem. Phys., 16 , 1479 - 1486 (2014).

47. Wissam A. Saidi  and Patrick Norman, Probing Single-Walled Carbon Nanotube Defect Chemistry Using Resonance Raman Spectroscopy , Carbon, 67 , 17-26 (2014).

46. Ozan Karalti, Xiaoge Su, Wissam A. Al-Saidi and Kenneth D. Jordan, Correcting Density Functionals for Dispersion Interactions Using Pseudopotentials , Chem. Phys. Lett., 591 , 133-136 (2014).

45. Yifan Tang, Seth C. Burkert, Yong Zhao, Wissam A. Saidi  and Alexander Star, The Effect of Metal Catalyst on the Electrocatalytic Activity of Nitrogen-Doped Carbon Nanotubes , J. Phys. Chem. C, 117 , 25213-25221 (2013). (Theory-Related Senior Author )

44. Wissam A. Saidi , Oxygen Reduction Electrocatalysis using Doped Graphene Quantum Dots , J. Phys. Chem. Lett., 4 , 4160 (2013).

43. Guangwen Zhou, Liangli Luo, Liang Li , Jim Ciston, Eric A. Stach, Wissam A. Saidi  and Judith C Yang, In situ atomic visualization of oxide islanding during the oxidation of Cu surfaces , Chem. Commun. 49 , 10862 (2013). (Theory-Related Senior Author )

42. Ping Li, Lin Yu, Michael Matthews, Wissam A. Saidi  and J. Karl Johnson, Deliquescence of NaBH4 from density functional theory , Ind. Eng. Chem. Res., 52 , 13849 (2013).

41. Ya Zhou, Wissam A. Saidi  and Kristen A. Fichthorn, Comparison of the binding of polyvinylpyrrolidone and polyethylene oxide to Ag surfaces: Elements of a successful structure directing agent , Journal of Physical Chemistry C, 117 , 11444 (2013).

40. Lynn Mandeltort, De-Li Chen, Wissam A. Saidi , Milton W. Cole, J. Karl Johnson, and John T. Yates, Experimental and Theoretical Comparison of Gas Adsorption Energies on Metallic- and Semiconducting-Carbon Nanotubes , Journal of the American Chemical Society, 135 , 7768 (2013).

39. Wissam A. Saidi , Functionalization of single-wall zigzag carbon nanotubes by carboxyl groups: Clustering effect, Journal of Physical Chemistry C, 117 , 9864 (2013).

38. Joanna Kauczor, Patrick Norman and Wissam A. Saidi , Non-additivity of polarizabilities and van der Waals C6 coefficients of fullerenes , Journal of Chemical Physics 138 , 114107 (2013). (Senior Corresponding Author)

37. De-Li Chen, Lynn Mandeltort, Wissam A. Saidi , John T. Yates, Jr., Milton W. Cole, and J. Karl Johnson, Is there a difference in van der Waals interactions between rare gas atoms adsorbed on metallic and semiconducting single walled carbon nanotubes? Phys. Rev. Lett., 110 , 135503 (2013).

36. Eugene M. Myshakin, Wissam A. Saidi , Vyacheslav N. Romanov, Randall T. Cygan, Kenneth D. Jordan, Study of carbon dioxide intercalation in hydrated Na-montmorillonite by ab initio and classical molecular dynamics simulations , Journal of Physical Chemistry C, 117 , 11028 (2013).

35. Brian Barth, Cheuk Fai Chiu, Gregg P. Kotchey, Yanan Chen, Kristy A. Gogick, Wissam A. Saidi , Stephane Petoud and Alexander Star, Enzyme-catalyzed Oxidation Facilitates the Return of Fluorescence for Single-Walled Carbon Nanotubes , J. Am. Chem. Soc. 135 , 13356, (2013). (Theory-Related Senior Author ), Selected as front Cover, and highlighted by editor.

34. Wissam A. Saidi , H. Feng and K. A. Fichthorn, The binding of PVP to Ag surfaces: Insight into a structure-directing agent from dispersion-corrected density-functional theory , Journal of Physical Chemistry C, 117 , 1163 (2013).

33. David A. Egger, Victor G. Ruiz, Wissam A. Saidi , Tomas Bucko, Alexandre Tkatchenko, and Egbert Zojer, Understanding Structure and Bonding of Multilayered Metal-Organic Nanostructures , Journal of Physical Chemistry C, 117 (6) , 3055 (2013).

32. Wissam A. Saidi , Minyoung Lee, Liang Li, Guangwen Zhou and Alan J. H. McGaughey, Ab initio atomistic thermodynamics study of the early stages of Cu(100) oxidation , Phys. Rev. B, 86 , 245429 (2012).

31. John Mark Martirez, Erie H. Morales, Wissam A. Saidi , Dawn A. Bonnell, and Andrew Rappe, Atomic and Electronic Structure of the BaTiO3(001) ( √ 5 × √ 5) R26.6◦ Surface Reconstruction , Phys. Rev. Lett., 109 , 256802 (2012).

30. G. Zhang, W. A. Al-Saidi , Eugene M. Myshakin and Kenneth D. Jordan, Dispersion-Corrected DFT and Classical Force Field Calculations of Water Loading on a Pyrophyllite(001) Surface , Journal of Physical Chemistry C, 116 , 17134 (2012). 

29. Dan Sorescu, Junseok Lee, W. A. Al-Saidi  and Kenneth D. Jordan, Coadsorption properties of CO2 and H2O on TiO2 rutile(110): A dispersion-corrected DFT study , J. Chem. Phys. 137 , 074704 (2012).

28. W. A. Al-Saidi , Sanford Asher and Patrick Norman, Resonance Raman Spectroscopy of TNT and RDX using Vibronic Theory, Excited-State Gradient and Complex Polarizability Approximations , Journal of Physical Chemistry A, 116 , 7862 (2012).

27. W. A. Al-Saidi , Ground stage structure of BNB using fixed-node diffusion Monte Carlo, Chemical Physics Letters, 543 , 41 (2012).

26. De-Li Chen, W. A. Al-Saidi  and J. Karl Johnson, The role of van der Waals interactions in the adsorption of noble gases on metal surfaces, Journal of Physics: Condensed Matter., 24 , 424211 (2012).

25. W. A. Al-Saidi , Vamsee Voora and Kenneth D. Jordan, An assessment of the vdW-TS method for extended systems , J. Chem. Theory. Comput., 8 , 1503 (2012).

24. W. A. Al-Saidi , H. Feng and K. A. Fichthorn, Adsorption of polyvinylpyrrolidone on Ag surfaces: Insight into the workings of a structure-directing agent , Nano Letters, 12 , 997 (2012).

23. De-Li Chen, W. A. Al-Saidi  and J. Karl Johnson, Noble Gases on Metal Surfaces: New Insights on Adsorption Site Preference , Phys. Rev. B (Rapid Communication), 84 , 241405 (2011).

22. Dan Sorescu, W. A. Al-Saidi  and Kenneth D. Jordan, CO2 adsorption on TiO2(101) anatase: A dispersion-corrected DFT study , J. Chem. Phys. 135 , 124701 (2011).

21. Vamsee Voora, W. A. Al-Saidi  and Kenneth D. Jordan, Density functional theory study of Pyrophyllite and M-Montmorillonites (M=Li, Na, K, Mg, Ca): Role of dispersion interactions , Journal of Physical Chemistry A, 115 , 9695 (2011).

20. Glen Jenness, Ozan Karalti, W. A. Al-Saidi  and Kenneth D. Jordan, Evaluation of Theoretical Approaches for Describing the Interaction of Water with Linear Acenes , Journal of Physical Chemistry A 115 , 5955 (2011).

19. Dan Sorescu, Junseok Lee, W. A. Al-Saidi  and Kenneth D. Jordan, CO2 adsorption on TiO2(110) rutile: insight from dispersion-corrected DFT calculations and STM experiments , J. Chem. Phys. 134 , 104707 (2011).

18. Amy Beaird, Hilary Marsh, Ping Li, W. A. Al-Saidi , Karl Johnson, Michael Matthews and Christopher Williams, Thermal Dehydration and Vibrational Spectra of Hydrated Sodium Metaborates , Ind. Eng. Chem. Res., 50 , 7746 (2011).

17. W. A. Al-Saidi  and Andrew M. Rappe, Density-functional study of PbTiO3 nanocapacitors with Pt and Au electrodes , Phys. Rev. B 82 , 155304 (2010).

16. Fang-Fang Wang, Glen Jenness, W. A. Al-Saidi  and Kenneth D. Jordan, Assessment of the performance of common density functional methods for describing the interaction energies of (H2O)6 clusters , J. Chem. Phys. 132 , 134303 (2010).

15. W. A. Al-Saidi , Variational and Diffusion Monte Carlo study of post-d 13-17 elements , J. Chem. Phys. 129 , 64316 (2008).

14. W. A. Al-Saidi  and C. J. Umrigar, Fixed-node diffusion Monte Carlo study of the structures of m-benzyne , J. Chem. Phys. 128 , 154324 (2008).

13. Wirawan Purwanto, W. A. Al-Saidi , Henry Krakauer, and Shiwei Zhang, Eliminating spin contamination in auxiliary-field quantum Monte Carlo: realistic potential energy curve of F2 , J. Chem. Phys. 128 , 114309 (2008). Also available at arXiv:0712.1935.

12. W. A. Al-Saidi , Eric J. Walter and Andrew M. Rappe, Optimized norm-conserving Hartree-Fock pseudopotentials for planewave calculations , Phys. Rev. B 77 , 075112 (2008). Also available at arXiv:0712.1822.

11. W. A. Al-Saidi , Shiwei Zhang and Henry Krakauer, Bond breaking with auxiliary- field quantum Monte Carlo , J. Chem. Phys. 127 , 144101 (2007). Also available at arXiv:0705.2827.

10. W. A. Al-Saidi , Shiwei Zhang and Henry Krakauer, A study of H+H2 and several Hbonded molecules by phaseless auxiliary-field quantum Monte Carlo with planewave and Gaussian basis sets , J. Chem. Phys. 126 , 194105 (2007). Also available at physics/0702184.

9. W. A. Al-Saidi , Henry Krakauer and Shiwei Zhang, Auxiliary-field quantum Monte Carlo study of first- and second-row post-d elements , J. Chem. Phys. 125 , 154110 (2006). Also available at physics/0608298.

8. W. A. Al-Saidi , Shiwei Zhang and Henry Krakauer, Auxiliary-field quantum Monte Carlo of molecular systems with a Gaussian basis , J. Chem. Phys. 124 , 224101 (2006). Also available at physics/0603055.

7. W. A. Al-Saidi , Henry Krakauer and Shiwei Zhang, Auxiliary-field quantum Monte Carlo study of TiO and MnO molecules , Phys. Rev. B 73 , 075103 (2006). Also available at condmat/0510791.

6. Shiwei Zhang, Henry Krakauer, W. A. Al-Saidi , and Malliga Suewattana, Quantum simulations of realistic systems by auxiliary fields , Comp. Phys. Comm. 169 , 394 (2005).

5. W. A. Al-Saidi  and D. Stroud, Quantum Monte Carlo study of the phase diagram of a disordered Josephson junction array , Physica C 402 , 216 (2003). Also available at condmat/0310047.

4. W. A. Al-Saidi  and D. Stroud, Langevin vortex dynamics for a layered superconductor in the lowest Landau level approximation , Phys. Rev. B 68 , 144511 (2003). Also available at cond-mat/0310045.

3. W. A. Al-Saidi  and D. Stroud, Phase phonon spectrum and melting in a quantum rotor model with diagonal disorder , Phys. Rev. B 67 , 024511 (2002). Also available at condmat/0211539. 

2. W. A. Al-Saidi  and D. Stroud, Several small Josephson junctions in a resonant cavity: Deviation from the Dicke model , Phys. Rev. B 65 , 224 512 (2002). Also available at cond-mat/0203341.

1. W. A. Al-Saidi  and D. Stroud, Eigenstates of a small Josephson junction coupled to a resonant cavity , Phys. Rev. B 65 , 014 512 (2002). Also available at cond-mat/0110117.

Invited Presentations:

12. Growth of Metal Nanoparticles in Suspension:  Insights from Simulations , University of Pittsburgh, Mechanical Engineering and Materials Science, Pittsburgh, USA (Sept. 9, 2014)

11. Growth of Metal Nanoparticles: Characteristics of an Effective Structure-Directing Agent , Univeristy of Wisconsin at Milwaukee, College of Engineering and Applied Science, Milwaukee, USA (May 7, 2014). 10. Morphological Control in the Synthesis of Silver and Gold Nanoparticles: Insights from Simulations, Univeristy of Wisconsin at Milwaukee, College of Engineering and Applied Science, Milwaukee, USA (November 20, 2013).

9. Adsorption of Noble Gases on Metal Surfaces: Insights on Site Preference and the Role of van der Waals Interactions , web-Seminar, Intel Corporation Research Group, Portland, USA (April, 9, 2012).

8. Adsorption of molecules on TiO2: insights from DFT with van der Waals corrections , The Fundamentals of photocatalysis Symposium, University of Science and Technology of China, China, Heifei (July 12, 2011).

7. Introduction to Electronic Structure Calculations , BigDFT/ABINIT Training Workshop, University of Pittsburgh, Pittsburgh, PA (June 30, 2010).

6. Ab initio quantum Monte Carlo methods - Applications to van der Waals systems , Chemical Engineering, The Pennsylvania State University, University Park, PA (May 14, 2010).

5. Advanced School on "Quantum Monte Carlo Methods in Physics and Chemistry", The Abdus Salam International Center (ICTP), Trieste, Italy (January 21- February 2, 2008) (declined).

4. Ab initio auxiliary-field quantum Monte Carlo , George Mason University, Fairfax, VA (February 5, 2007).

3. Auxiliary-field quantum Monte Carlo with localized basis sets- Applications to atoms and molecules using a Gaussian basis , The 16th Annual Workshop on "Recent Developments in Electronic Structure Methods", The Ohio State University, Columbus, OH (June 25 2006).

2. Democritos-ICTP school on "Continuum Quantum Monte Carlo Methods, " The Abdus Salam International Center (ICTP), Trieste, Italy (January 12-25, 2004).

1. Langevin vortex dynamics for a layered superconductor in the lowest Landau level approximation , McMaster University, McMaster, Canada (March 13, 2003).

Conference Presentations:  Listed are technical presentations by myself.

23.  Multiscale Investigations of the Oxidation of Stepped Cu Surfaces  , March Meeting, San Antonio, Texas 2015

22.  Density-Functional Theory Study of Nucleation and Growth of Metallic Nanoparticles on MoS2(001  ), March Meeting, San Antonio, Texas 2015

21.  First-Principles Calculations of the Role of PVP and PEO in the Controlled Synthesis of Colloidal Ag Nanostructures  , AlCHE meeting, Pittsburgh, (October 17, 2012).

20.  Noble Gases On Metal Surfaces: New Insights On Adsorption Site Preference  , APS March Meeting, Boston, Ma (Feb 27, 2012).

19.  Adsorption of polyvinylpyrrolidone on Ag surfaces: Insight into the workings of a structure directing agent  , APS March Meeting, Boston, Ma (Feb 27, 2012).

18.  Deliquescence of NaBH4 computed from density functional theory  , APS March Meeting, Boston, Ma (Feb 27, 2012).

17.  Density functional study of ferroelectric-electrode interfacial effects on the stability of ferroelectricity in thin-films  , APS March Meeting, Pittsburgh, PA (March 16, 2009).

16.  Real or artifactual symmetry breaking in BNB: Fixed-node diffusion Monte Carlo study  , APS March Meeting, New Orleans, LA (March 12, 2008).

15.  Towards a diffusion Monte Carlo study of Mott transition in MnO under pressure  , Computational Materials Science Network (CMSN) Meeting, New Orleans, LA (March 9, 2008).

14.  Bond breaking in auxiliary-field quantum Monte Carlo  , APS March Meeting, Denver, CO (March 8, 2007).

13.  Auxiliary-field quantum Monte Carlo study of post-d group atoms and molecules  , APS March Meeting, Baltimore, MD (March 16, 2006).

12.  Auxiliary-field quantum Monte Carlo with a localized basis: Applications to atoms and molecules  , APS March Meeting, Baltimore, MD (March 14, 2006).

11.  Auxiliary-field quantum Monte Carlo study of atoms and molecules using localized basis  , Workshop on "Fundamental Physics of Ferroelectrics," Williamsburg, VA (February 13, 2006).

10.  Quantum Monte Carlo with localized basis-towards downfolded Hamiltonians  , Computational Materials Science Network (CMSN) Meeting, Chicago, IL (October 15, 2005).

9.  Study of TiO and MnO using auxiliary-field quantum Monte Carlo  , APS March Meeting, Los Angeles, CA (March 23, 2005).

8.  An auxiliary-field quantum Monte Carlo approach for electronic structure  , Workshop on "Fundamental Physics of Ferroelectrics," Williamsburg, VA (February 9, 2005).

7.  An auxiliary-field quantum Monte Carlo approach for electronic structure  , Computational Materials Science Network (CMSN) Meeting, Oak Ridge, TN (November 21, 2004).

6.  Quantum Monte Carlo study of ground-state properties of transition metal oxides  , Naval Research Lab, Washington, DC (December 17, 2003).

5.  Langevin vortex dynamics for a layered superconductor in the lowest Landau level approximation  , College of William and Mary, Williamsburg, VA (October 7, 2003).

4.  Auxiliary Field Quantum Monte Carlo  , College of William and Mary, Williamsburg, VA (October 28, 2003).

3.  Langevin vortex dynamics for a layered superconductor in the lowest Landau level approximation  , APS March Meeting, Austin, TX (March 6, 2003).

2.  Engineering entanglement of Josephson junctions using a resonant cavity  , E. Hayes Research Forum, Columbus, OH (April 20, 2002).

1.  Several Josephson junctions in a resonant cavity: Deviation from the Dicke model  , APS March Meeting, Indianapolis, IN (March 18, 2002).

Presentations and Posters (students and trainees underlined): Listed are technical
presentations by my collaborators.

37. Shih-Hsien Liu, Wissam A. Saidi , Wissam A. Saidi , Ya Zhou, and Kristen A. Fichthorn, Synthesis of {111}-faceted Au Nanocrystals Mediated by Polyvinylpyrrolidone: Insights from Density-Functional Theory and Molecular Dynamics , TechConnect World Innovation Conference 2015, June 2015

36. Hongli Guo, Jin Zhao, and Wissam A. Saidi, Polar-nonpolar Oxide heterostructures for photocatalysis , March Meeting, San Antonio, Texas 2015

35. Elisabeth Wruss, David A. Egger, Yuli Huang, Tomas Bucko, Wissam A. Saidi , Satoshi Kera and Egbert Zojer, Modeling geometry and electronic structure of flat-lying phthalocyanines on metal surfaces , DPG-meeting 2015 spring meeting, Berlin, Germany 2015. (Poster)

34. Qing Zhu , Judith Yang and Wissam A. Saidi, Reactive Force Field Modeling of Cu(100) Surface Oxidation with the Presence of Step-Edge Defects , Carnegie Mellon University, Pittsburgh Simulators' Meeting (June 10, 2014). (Talk)

33. Wentao Jiang, Hao Bai, Gregg Kotchey, Wissam A. Saidi , Benjamin Bythell, Jacqueline Jarvis, Alan Marshall, Rena Robinson and Alexander Star, Mass Spectrometry-Based Analysis of Graphene Oxide Degradation Products , ASMS2014, Baltimore, MD June 2014. (Talk)

32. Elisabeth Wruss, Yuli Huang, David A. Egger, Tomas Bucko, Wissam A. Saidi , Satoshi Kera and Egbert Zojer , The role of van der Waals interactions for bonding at interfaces between organic semiconductors and coinage metal surfaces , E-MRS 2014 spring meeting, Lille, France, May 2014. (Talk)

31. Ken Jordan, Ozan Kartali and Wissam A. Saidi , Extended disperson-corrected atom centered potential (DCACP) approach for treating long-range dispersion interactions in clusters and solids , APS meeting, Denver, Colorado (2014). (Talk)

30. Liang Li , Wissam A. Saidi and Guangwen Zhou, Density functional and Kinetic Monte Carlo studies of chemisorptions-induced surface phase transitions on Cu(110) , Boston, MA (Dec 2013). (Talk)

29. Elisabeth Wruss, David A. Egger, Yuli Huang, Wissam A. Saidi , Tomas Bucko, Satoshi Kera and Egbert Zojer, The importance of van der Waals interactions for the adsorption of flatlying molecules on metallic surfaces , Emerging Renewable Energy Conversion, Lake Como, Italy, September 2013. (Talk)

28. Pabitra Choudhury, Wissam A. Saidi and J. Karl Johnson, Facile Anhydrous Proton Transport On Hydroxyl Functionalized Graphene , AICHE meeting, 2013. (Talk)

27. Shih-Hsien Liu, Wissam A. Saidi and Kristen A. Fichthorn, Shape-Selective Synthesis of Au Nanoparticles: The Role of PVP , AICHE meeting, 2013. (Talk)

26. De-Li Chen, Lynn Mandeltort, Wissam A. Saidi , Milton W. Cole, J. Karl Johnson, and John T. Yates, Experimental and Theoretical Comparison of Gas Adsorption Energies on Metallic- and Semiconducting-Carbon Nanotubes , AICHE meeting, 2013. (Talk)

25. Shih-Hsien Liu, W. A. Al-Saidi , and Kristen Fichthorn First-Principles Calculations of the Role of PVP in the Controlled Synthesis of Au Nanostructures , APS meeting, Baltimore, Maryland (March 2013). (Talk) 24. David A. Egger, Victor G. Ruiz, W. A. Al-Saidi , Tomas Bucko, Alexandre Tkatchenko, and Egbert Zojer, Understanding the interactions in multilayered metal-organic nanostructures with reliable atomistic modeling, Sixth international meeting on molecular electronics , Grenoble, Switzerland (December 2012). (Talk)

23. Liang Li, Na Cai, W. A. Al-Saidi , Guangwen Zhou, Computational studies of chemisorptions induced surface phase transitions on Cu(110) , Materials Research Society, San Francisco, California (October 2012). (poster)

22. David A. Egger, Victor G. Ruiz, W. A. Al-Saidi , Tomas Bucko, Alexandre Tkatchenko, and Egbert Zojer, Reliably Modeling van der Waals Interactions in a Complex Inorganic Organic Hybrid System , Austrian Physical Society, Graz, Austria (September 2012). (Talk)

21. Evgeniy M. Myshakin, W. A. Al-Saidi , Vyacheslav N. Romanov, Randall T. Cygan, Kenneth D. Jordan, A study of carbon dioxide intercalation in hydrated Na-montmorillonite by means of ab initio and classical molecular dynamics simulations , 49th Annual Meeting of The Clay Minerals Society, Co, (July 10, 2012). (Talk)

20. John Mark Martirez, W. A. Al-Saidi and Andrew Rappe, Polarization Dependent Reconstructions of Ferroelectric Surfaces , APS March Meeting, Boston, Ma (March 1, 2012). (Talk)

19. De-Li Chen, W. A. Al-Saidi and J. Karl Johnson, Noble Gases On Metal Surfaces: New Insights On Adsorption Site Preference , AlCHE meeting, Minneapolis, (October 17, 2011). (Talk)

18. Kristen Fichthorn, W. A. Al-Saidi , Haijun Feng, First-Principles Calculations of the Role of PVP In the Controlled Synthesis of Colloidal Ag Nanostructures , AlCHE meeting, Minneapolis, (October 17, 2011). (Talk)

17. John Mark Martirez, W. A. Al-Saidi and Andrew Rappe, Hydration phase diagram for BaO terminated BaTiO3 , APS March Meeting, Dallas, Texas (March 22, 2011). (Talk)

16. Kristen Fichthorn, Haijun Feng, W. A. Al-Saidi , Rajesh Sathiyanarayanan, Morphological Control in the Synthesis of Silver Nanostructures: Role of Polyvinylpyrrolidone , APS March Meeting, Dallas, Texas (March 21, 2011). (Talk)

15. John Mark Martirez, W. A. Al-Saidi , J. E. Spanier and Andrew Rappe, Connection between relaxation of metastable polarization and time evolution of surface ion coverage in BaTiO3 nanowires , 2011 Workshop on the Fundamental Physics of Ferroelectrics and Related Materials, Gaithersburg, MD (30 January, 2011). (Poster)

14. Vyacheslav Romanov, Bret H. Howard, Ronald J. Lynn, Robert P. Warzinski, Tae Bong Hur, Eugene M. Myshakin, Christina L. Lopano, Vamsee K. Voora, W. A. Al-Saidi , Kenneth D. Jordan, Randall T. Cygan, George D. Guthrie, CO2 Interaction with Geomaterials , American Geophysical Union, January 2011. (Invited Talk).

13. John Mark Martirez, W. A. Al-Saidi and Andrew Rappe , First principle investigation of hydrogen transfer between surface adsorbed H2O and OH on BaO (001) surface of thin film BaTiO3 , ACS National meeting, Boston (August 25, 2010). (Talk)

12. De-Li Chen, W. A. Al-Saidi and J. Karl Johnson, Adsorption of Gases on Metal surfaces and Carbon Nano Tubes, Carnegie Mellon University , Pittsburgh Simulators' Meeting (June 15, 2010). (Talk)

11. Ozan Kartali, W. A. Al-Saidi , Glen Jenness and Kenneth D. Jordan, Is DCACP method really correcting for dispersion? , Carnegie Mellon University, Pittsburgh Simulators' Meeting (June 15, 2010). (Talk)

10. John Mark Martirez, Andrew Rappe and W. A. Al-Saidi , First principles investigation of surface dynamics involving OH on thin-film BaTiO3 surfaces , 22nd Annual Workshop on Electronic Structure Methods, Austin, Texas, (June 10, 2010). (Poster)

9. Ozan Kartali, Glen Jenness, W. A. Al-Saidi and Kenneth D. Jordan, Is DCACP method really correcting for dispersion? Berkeley, MQM 2010 conference (May 1, 2010). (Poster)

8. John Mark Martirez, W. A. Al-Saidi , and Andrew Rappe, Theoretical study on the diffusion of hydroxyl radical on BaO terminated BaTiO3 (001) surface , APS March Meeting, Portland, Oregon (March 18, 2010). (Talk)

7. Miguel Angel Mendez Polanco, Ilya Grinberg, W. A. Al-Saidi , and Andrew Rappe, Polarization effect on the growth of Pt thin films on PbTiO3 (100) surfaces , APS March Meeting, Portland, Oregon (March 15, 2010). (Talk)

6. Kenneth D. Jordan, Fang-Fang Wang, Revati Kumar, Glen Jenness and W. A. Al-Saidi , Assessment of the performance of common density functional methods for describing the 12 interaction energies of (H2O)6 clusters , Excitations in Condensed Matter: From Basic Concepts to Real Materials, KITP (Santa Barbara), CA (October 28, 2009). (Talk)

5. F. R. Petruzielo, Julien Toulouse, W. A. Al-Saidi , and C. J. Umrigar, Compact and accurate quantum Monte Carlo wave functions for first row atoms , 20th Annual Workshop on Recent Developments in Electronic Structure Methods, University of Illinois at UrbanaChampaign, Urbana, IL (June 18, 2008). (Poster)

4. F. R. Petruzielo, Julien Toulouse, W. A. Al-Saidi , C. J. Umrigar, R. G. Hennig, Compact and accurate quantum Monte Carlo wave functions for first-row atoms , APS March Meeting, New Orleans, LA (March 13, 2008). (Talk)

3. W. Purwanto, H. Krakauer, S. Zhang and W. A. Al-Saidi , Potential Energy Curves and Excited States of the C2 Molecule by Auxiliary-Field Quantum Monte Carlo (AFQMC) , APS March Meeting, New Orleans, LA (March 12, 2008). (Talk)

2. W. Purwanto, W. A. Al-Saidi , H. Krakauer and S. Zhang, Recent advances in auxiliary- field quantum Monte Carlo: Applications to F2 and C2 potential energy surfaces , Computational Materials Science Network (CMSN) Meeting, Davis, CA (September 16, 2007). (Poster)

1. E. J. Walter, W. A. Al-Saidi and H. Krakauer, Hartree-FockPseudopotentials within the Opium Package , Workshop on Recent Developments in Electronic Structure Methods at The Ohio State University, OH (June 22-25, 2006). (Poster)