resume

STEPHEN H. GAROFALINI

Professor . Department of Ceramic and Materials Engineering . Rutgers University

607 Taylor Road . Piscataway, NJ 08854-8065

Tel. (732) 445-2216 Fax (732) 445-3258 e-mail shg@glass.rutgers.edu

____________________________________________________________________________________

 

EDUCATION:

Ph.D. 1980; Stanford University.

EXPERIENCE:

1996-present Professor II, Department of Ceramic and Materials Engineering, School of Engineering, Rutgers University

1989-1996 Professor, Department of Ceramics, College of Engineering, Rutgers University

1984-1989 Associate Professor, Department of Ceramics, College of Engineering, Rutgers University.

1980-1984 Assistant Professor, Department of Ceramics, College of Engineering, Rutgers University.

1982(Summer) Visiting Faculty, Stanford University and NASA Ames Research Center, Computational Chemistry Group.

1981(Summer) Visiting Faculty, Stanford University and NASA Ames Research Center, Computational Chemistry Group.

1977-1980 Research Engineer, Lockheed Missiles and Space Company.

1973-1977 Scientist, Lockheed Missiles and Space Company.

 

PUBLICATIONS (REFEREED):

"Molecular Dynamics Simulations of Glass Surfaces and Interfaces", S. H. Garofalini, Reviews in Mineralogy and Geochemistry, Molecular Modeling Theory: Applications to the Geosciences. R. Cygan and J. Kubicki, eds., 42(2001) 131-164.

"in-situ Deposition and UHV STM/AFM study of V2O5/Li3PO4 Rechargeable Lithium Ion Battery", A. E. Semenov, I. N. Borodina, and S. H. Garofalini, J. Electrochem. Soc., (in press).

"Modeling of Hydrophilic Wafer Bonding by Molecular Dynamics Simulations" , D. A. Litton and S. H. Garofalini , J. Appl. Phys. 89(2001) 6013-6023

"Molecular Dynamics Simulations of Cathode/Glass Interface Behavior: Effect of Orientation on Phase Transformation, Li Migration, and Interface Relaxation" , S. H. Garofalini and P. Shadwell, J. Pwr. Sources, 89 (2000) 90-200.

"Molecular Dynamics Simulations of Calcium Alumino-Silicate Intergranular Films on (0001) Alumina Faces" , D. A. Litton and S. H. Garofalini, J. Am. Cer. Soc. 83 (2000) 2273-81.

"Atomistic Structure Of Sodium and Calcium Silicate Intergranular Films In Alumina" , D. A. Litton and S. H. Garofalini, J. Mater. Res. 14 (1999) 1418.

"Molecular Dynamics Simulation of the Effect of Crystal Orientation on Lithium Ion Diffusion at the V2O5/Li2SiO3 Interface", M. E. Garcia and S. H. Garofalini, J. Electrochem. Soc. 146 (1999) 840-849.

"A Multibody Potential to Study the Structure of Undoped and Er+3 -doped Lead-Silicate Glass", T. Peres, D. A. Litton, J. A. Capobianco, and S. H. Garofalini, Philos. Mag. B 77 (1998) 389-396.

"Scanning Force Microscopy Investigation of Surface Forces at the Tungsten Oxide/Lithium Borate Interface", D. A. Hensley and S. H. Garofalini, J. Electrochem. Soc. 145 (1998) 669-675.

"Molecular Dynamics Simulation of V2O5/Li2SiO3 Interface", M. Garcia, E. Webb, and S. H. Garofalini, J. Electrochem. Soc. 145 (1998) 2155-2164.

"Relaxation of Silica Glass Surfaces Before and After Stress Modification in Wet and Dry Atmospheres: Molecular Dynamics Simulations", E. B. Webb and S. H. Garofalini, J. Non-Cryst. Sol., 226 (1998) 47-57.

"Three-Body Potential Modeling of Undoped and Er+3 -doped Lead-Silicate Glass", T. Peres, D. A. Litton, J. A. Capobianco, and S. H. Garofalini, J. Non-Cryst. Sol. 221 (1997) 34-46.

"Silver Clustering in Sodium Silicate Glasses: a Molecular Dynamics Study", D. Timpel, K. Scheerschmidt, and S. H. Garofalini, J. Non-Cryst. Sol. 221 (1997) 187-198

"Atomistic Structure Of Calcium Silicate Intergranular Films In Alumina Studied By Molecular Dynamics Simulations", S. Blonski and S. H. Garofalini, J. Am. Ceram. Soc., 80 (1997) 1997-2004.

"Vitreous Silica Bulk And Surface Self-Diffusion Analysis By Molecular Dynamics", D. A. Litton and S. H. Garofalini, J. Non-Cryst. Sol., 217 (1997) 250-263.

"Molecular Dynamics Study of Silica-Alumina Interfaces", S. Blonski and S. H. Garofalini, J. Phys. Chem. 100 (1996) 2201-2205.

"Molecular Dynamics Studies of Lithium Injection in Model Electrode/Electrolyte Systems", D.T. Kulp and S.H. Garofalini, J. Electrochem. Soc. 143 (1996) 2211-2219.

"Molecular Dynamics Simulation of Elevated Temperature Interfacial Behavior between Silica Glass and a Model Crystal", E. B. Webb III and S. H. Garofalini, J. Chem. Phys. 105 (1996) 792-801.

"In situ Deposition and XPS Characterization of Lithium Based Solid Electrolyte/Vanadia Interfaces: Observation of Lithium Migration", D. A. Hensley and S. H. Garofalini, Solid State Ionics 82 (1995) 67-73.

"XPS Investigation of Lithium Borate Glass and the Li/LiBO2 Interface", D. A. Hensley and S. H. Garofalini, Appl. Surf. Sci. 81 (1994) 331-339.

"Effect of Composition on the Penetration of Inert Gases Adsorbed onto Silicate Glass Surfaces", A. Kohler and S. H. Garofalini, Langmuir 10 (1994) 4664-4669.

"Molecular Simulations of the Polymerization of Silicic Acid Molecules and Network Formation", S. H. Garofalini and G. Martin, J. Phys. Chem. 98 (1994) 1311.

"Molecular Dynamics Simulation of the Approach and Withdrawal of a Model Crystalline Metal to a Silica Glass Surface", E. Webb and S. H. Garofalini, J. Chem. Phys. 101 (1994) 10101-10106.

"Sol-Gel Polymerization: Analysis of Molecular Mechanisms and the Effect of Hydrogen", G. Martin and S. H. Garofalini, J. Non-Cryst. Sol. 171 (1994) 68-79.

"Effect of Adsorption of EAM Metal Atoms on the Structure of a Sodium Alumino-Silicate Glass Surface: A Molecular Dynamics Simulation", E. Webb and S. H. Garofalini, Surface Science 319 (1994) 381-393.

"A First Principles Study of Crystalline Silica", F. Liu, S. H. Garofalini, R.D. King-Smith, and D. Vanderbilt, Phys. Rev. B 49 (1994) 12528.

"Stabilization of g-alumina Surfaces by Additives: Insight from Computer Simulations" S. Blonski and S. H. Garofalini, Catal. Lett. 25 (1994) 325-336.

"Structural and Electronic Properties of Sodium Metasilicate", F. Liu, S. H. Garofalini, R.D. King-Smith, and D. Vanderbilt, Chem. Phys. Lett. 215 (1993) 401.

"Molecular Dynamics Simulations of g-alumina Surface Stabilization by Deposited Silicon Ions", S. Blonski and S. H. Garofalini, Chem. Phys. Lett. 211 (1993) 575.

"First Principles Calculations of the Structural Properties of b-Cristobalite", F. Liu, S. H. Garofalini, R.D. King-Smith, and D. Vanderbilt, Phys. Rev. Lett. 70 (1993) 2750.

"Molecular Dynamics Simulations of a-alumina and g-alumina Surfaces", S. Blonski and S. H. Garofalini, Surf. Sci. 295 (1993) 263.

"AFM and XPS Investigation of the Onset of Reactions on Alkali Silicate Surfaces", G. Rudd, S. H. Garofalini, D. A. Hensley, and C. M. Mate, J. Am. Cer. Soc. 76 (1993).

"Molecular Dynamics Simulations of the Effect of Adsorption on SiO2 Surfaces", D. Athanasopoulos and S. H. Garofalini, J. Chem. Phys. 97 (1992) 3775.

"Structure of Sodium-Alumino-Silicate Glass Surfaces", D. M. Zirl and S. H. Garofalini, J. Am. Ceram. Soc. 75 (1992) 2353.

"Effect of Adsorption on the Surface Structure of Sodium Alumino-Silicate Glasses: A Molecular Dynamics Simulation", D. Athanasopoulos and S. H. Garofalini, Surf. Sci. 273 (1992) 129.

"Scanning Tunneling Microscopy Studies of Conducting Molybdenum Oxide Bronzes", G. Rudd, D. Novak, D. Saulys, R. A. Bartynski, S. Garofalini, K. V. Ramanujachary, M. Greenblatt, and E. Garfunkel, J. Vac. Sci. Technol. B. 9 (1991) 909.

"Substrate Effect on Crystallization of a Sol-Gel Coating", M. Chui-Sabourin and S. H. Garofalini, Thin Film Solids 198 (1991) 177.

"Microstructural Evaluation of Simulated Sodium Silicate Glasses", H. Melman and S. H. Garofalini, J. Non-Cryst. Sol. 134 (1991) 107.

"Water Induced Relaxation of the Vitreous Silica Surface", B. P. Feuston and S. H. Garofalini, J. Appl. Phys. 68 (1990) 4830.

"Structure of Sodium-Alumino-Silicate Glasses", D. M. Zirl and S. H. Garofalini, J. Am. Ceram. Soc. 73 (1990) 2848.

"Surface Studies of TiO2-SiO2 Glasses By X-Ray Photoelectron Spectroscopy", S. M. Mukhopadhyay and S. H. Garofalini, J. Non-Cryst. Sol. 126 (1990) 202.

"Onset of Polymerization in Silica Sols", B. P. Feuston and S. H. Garofalini, Chem. Phys. Lett. 170 (1990) 264.

"Reactions on Modified Silica Surfaces", D. M. Zirl and S. H. Garofalini, J. Non-Cryst. Sol. 122 (1990) 111.

"Oligomerization in Silica Sols", B. P. Feuston and S. H. Garofalini, J. Phys. Chem. 94 (1990) 5352.

"Molecular Dynamics Computer Simulations of Silica Surface Structure and Adsorption of Water Molecules", S. H. Garofalini, J. Non-Cryst. Sol. 120 (1990) 1.

"Topological and Bonding Defects in Vitreous Silica Surfaces", B. P. Feuston and S. H. Garofalini, J. Chem. Phys. 91(1989) 564.

"Scanning Tunneling Microscopy and Nanolithography on a Conducting Oxide, Rb0.3MoO3", E. Garfunkel, G. Rudd, D. Novak, S. Wang, G. Ebert, M. Greenblatt, T. Gustafson, S. H. Garofalini, Science 246 (1989) 99.

"Mechanism of Alkali Adsorption on Silica Surfaces", D. M. Zirl and S. H. Garofalini, Phys. Chem. Glasses, 30 (1989) 155.

"The Structure of Sodium Trisilicate Glass Via a Molecular Dynamics Simulation Employing Multibody Potentials", R. G. Newell, B. P. Feuston, and S. H. Garofalini, J. Materials Research, 4 (1989) 434.

"XPS Analysis of Potassium Adsorption onto v-SiO- Observation of Reactive Surface Defect Species", R. Caracciolo and S. H. Garofalini, J. Am. Ceram. Soc. 71 (1988) C346.

"Empirical Three-Body Potential for Vitreous Silica", B. P. Feuston and S. H. Garofalini, J. Chem. Phys., 89 (1988) 5818.

"Molecular Dynamics Study of Amorphous Titanium Silicate" A. Rosenthal and S. H. Garofalini, J. Non-Cryst. Solids 107 (1988) 65.

"Onset of Alkali Adsorption on the v-SiO2 Surface", S. H. Garofalini and D. Zirl, J. Vac. Sci. Tech., 6 (1988) 975.

"Surface Structure of Silicate Glasses-Atomic Level Description", S. H. Garofalini, Effect of Modes of Formation on the Structure of Glass, eds. R. Weeks, D. Kinser, Trans Tech. Publ., 1988.

"Computer Simulation of Interactions of Model Platinum Particles and Films with the Silica Surface", S. M. Levine and S. H. Garofalini, J. Chem. Phys. 88 (1988) 1242.

"The Structure of Amorphous Na2O . ZnO . 3SiO2", A. Rosenthal and S. H. Garofalini, J. Non-Crystalline Solids, 92 (1987) 3354.

"Structural Role of Zinc Oxide in Silica and Soda-Silica Glasses", A. Rosenthal and S. H. Garofalini, J. Am. Ceram. Soc. 70 (1987) 821.

"A Structural Analysis of the Vitreous Silica Surface via a Molecular Dynamics Computer Simulation", S. M. Levine and S. H. Garofalini, J. Chem. Phys., 86 (1987) 2997.

"Kinetics of Tridymite Formation", S. H. Garofalini and A. Miller, J. Cryst. Growth, 78 (1986) 85.

"Applicability of the Molecular Dynamics Technique to Simulate the Vitreous Silica Surface", S. H. Garofalini, Structure and Bonding in Non-Crystalline Solids, Eds. G. Walrafen and A. Revesz, Plenum Press (1986).

"Simulation of Sol-Gel Process", S. H. Garofalini, Sol-Gel Technology: Processing Glassy Films Fibers, and Shapes, L. C. Klein, ed., Noyes Publ. Park Ridge, N.J. (1986).

"Molecular Dynamics Simulation of Amorphous Zinc Silicate", A. Rosenthal and S. H. Garofalini J. Non-Cryst. Solids, 87 (1986) 254.

"Applications of Molecular Dynamics Simulations to Sol-Gel Processing", S. H. Garofalini and H. Melman, Better Ceramics Through Chemistry, Materials Research Society, J. Brinker, D. Clark, and D. Ulrich, eds., Vol. 73 (1986).

"Interactions of Pt Single Atoms with the Vitreous Silica Surface; Thermal Accommodation and Adsorption", S. M. Levine and S. Garofalini, Surf. Sci., 177 (1986) 157.

"Surface Structure of Silica Glasses by Molecular Dynamics Simulations", S. M. Levine and S. H. Garofalini, Defects in Glasses, Materials Research Society, F. Galeener, et al. eds., Vol. 61 (1986).

"Molecular Dynamics Simulation of O on Pt (111)", S. M. Levine and S. H. Garofalini, Surface Science. 167 (1986) 198.

"Differences in Surface Behavior of Alkali Ions in Li2O . 3SiO2 and Na2O . 3SiO2 Glasses", S. H. Garofalini and S. M. Levine, J. Amer. Ceram. Soc. 68 (1985) 376.

"Effect of Elevated Temperature on the Distribution of Species at the Surface of a K2O . 3SiO2 Glass", S. H. Garofalini, Phys. Chem. Glasses, 26 (1985) 166.

"Molecular Dynamics Simulations of Pt on a Vitreous Silica Surface", S. M. Levine and S. H. Garofalini, Surface Science 163 (1985) 59.

"Comparison between Bulk and Surface Self Diffusion Constants of Si and O in Vitreous Silica", S. H. Garofalini and S. Conover, J. Non-Cryst. Solids, 74 (1985) 171.

"Defect Species in Vitreous Silica - A Molecular Dynamics Simulation", S. H. Garofalini, J. Non-Crystalline Solids, 63 (1984) 337.

"Behavior of Atoms at the Surface of a K2O . 3SiO2 Glass - A Molecular Dynamics Simulations", S. H. Garofalini, J. Amer. Ceramic Soc., 67 (1984) 133.

"A Comparison of Ion Scattering Spectra and Molecular Dynamics Simulations at the Surface of Silicate Glasses", J. Kelso, C. G. Pantano, and S. H. Garofalini, Surface Science, 134 (1983) L543.

"A Molecular Dynamics Simulation of the Vitreous Silica Surface", S. H. Garofalini, J. Chem. Phys. 78 (1983) 2069.

"Potassium Diffusion at the Surface of a K2O . 3SiO2 Glass", S. H. Garofalini, J. Vac. Sci. Tech. A. 2 (1983) 79.

"Pressure Variation in Molecular Dynamics Simulated Vitreous Silica", S. H. Garofalini, J. Non-Cryst. Solids 55 (1983) 451.

"Molecular Dynamics Computer Simulation of the Surface of Vitreous Silica-Composition, Structure, and Energy Profile", S. H. Garofalini, Glastechn. Ber., 56 (1983) 1063.

"Molecular Dynamics Simulation of the Frequency Spectrum of Amorphous Silica", S. H. Garofalini, J. Chem. Phys. 76 (1982) 3189.

"Adatom Coalescence and Cluster Motion on Amorphous Surfaces via a Molecular Dynamics Computer Simulation", S. H. Garofalini, T. Halicioglu and G. M. Pound, Surface Science 114 (1982) 161.

"Mechanism for Self-Diffusion of Au and Ir Adatoms on Pt (110) Surface", S. H. Garofalini, T. Halicioglu, Surface Science 104 (1981) 199.

"Analysis of the Cross-Channel Diffusion Mechanism", S. H. Garofalini, T. Halicioglu, Surface Science 112 (1981) L775.

"Cluster Adsorption on Amorphous and Crystalline Surfaces: A Molecular Dynamics Study of Model Pt on Cu and Model Pd on Pt", S. H. Garofalini, T. Halicioglu and G. M. Pound, J. Vac. Sci. Tech., 19 (1981) 717.

"The Melting of a Monatomic Amorphous Surface: A Molecular Dynamics Study", M. R. Mruzik, S. H. Garofalini, G. M. Pound, Surface Science 103 (1981) 353.

"Development of High Viscosity Coatings for Advanced Space Shuttle Applications", S. H. Garofalini, R. Banas, J. Creedon, SAMPE Quarterly 11 (1980) 27.

"Computer Simulation of Amorphous Surfaces: Energy Profile and Binding Energy", S. H. Garofalini, T. Halicioglu and G. M. Pound, J. Non-Cryst. Solids, 47 (1980) 411.

 

INVITED LECTURES:

Workshop on Applications of Modeling to Batteries, Crystal City, VA, 2001

Mardi Gras Physics Conference, Louisiana State University, Baton Rouge, LA, 2001

Materials Research Society, Fall Meeting, Boston, 2000

University of California, Davis, Nov. 2000

Lawrence Livermore National Laboratory, Nov. 2000

Pennsylvania State University, Sept. 2000

Gordon Research Conference on Ceramics, 2000

American Ceramic Society, Annual Meeting, St. Louis, MO, 2000

International Workshop on Wetting, Adsorption and Segregation at Free Surfaces and Grain Boundaries, Schloss Ringberg, Germany, 1999

IXth International Conference on the Physics of Non-Crystalline Solids, Arizona, 1999

Virginal Tech, Blacksburg, Va, 1999

Advanced Li Solid State Battery Workshop, Towson MD, 1999

Oak Ridge National Laboratory, Oak Ridge,TN, 1999

Workshop on Batteries, Argonne, 1999 (declined)

Lawrence Livermore National Labs, Livermore, CA, 1998

Naval Research Laboratory, Washington DC, 1998

University of California, Davis, Davis CA, 1998

Roermond Conference on Catalysis, Netherlands, 1998 (declined)

Fine Particle Society, Dallas TX, 1998, (declined)

Workshop-Interfaces in Silicon-Based Ceramics, UC-Berkeley, Berkeley, CA. 1997

Gordon Research Conference on Ceramics, 1997

CECAM (Centre Europeen de Calcul Atomique et Moleculaire) Workshop on Simulations of Silica, Lyons, France, 1997

CEA (Commissarait a l’ Energie Atomique) Gif-sur-Yvette, France, 1997

DOE Advanced Non-Aqueous Battery Technology Workshop, Hunt Valley, MD, 1997

American Chemical Soc. MARM'97, Molecular Modeling session, 1997

Molecular Simulations' International Materials Science Symposia, Philadelphia, PA, 1995

DOE Workshop on Solid Electrolytes for Battery Applications, Colorado Springs, CO, 1995

Gordon Research Conference on Glass, 1994

STM/AFM Symposium, U. S. Army Natick Research Center, 1994

Eighth CIMTEC, Forum on New Materials, New Horizons in Materials Research, Florence, Italy, 1994

DuPont Central Research Laboratory, Wilmington, DE, 1994

Norton/Saint Gobain Industrial Ceramics Research Labs, Northboro, MA, 1994

The Electrochemical Society, Electronics/Dielectric Science and Technology Division, Honolulu, Hawaii, 1993.

University Conference on Glass Science, Alfred University, 1993

American Ceramic Society Annual Meeting, Glass and Optical Materials Div., Cincinnati, OH, 1993.

Oak Ridge National Labs, Solid State Division, Oak Ridge, TN, 1992.

AT&T Bell Labs, Murray Hill, NJ, 1992.

American Chemical Society, Division of Inorganic Chemistry Symposium on Recent Advances In Solid State Chemistry, Washington DC, 1992.

NIST, Ceramics, Gaithersburg, MD, 1992.

Eastman-Kodak Research Laboratory, Rochester, NY 1992.

Allied-Signal Corporate Research Laboratory, Morristown, NJ, 1992.

Engelhard Corp., Iselin, NJ, 1991.

NATO ASI Defects and Disorder in Crystalline and Amorphous Solids, Madrid, Spain, 1991.

American Ceramic Society Annual Meeting, "Computer Simulations of Glasses", Cincinnati, OH, 1991.

IBM Research, Yorktown Heights, Physical Sciences Division, "MD Simulations of Glass Surfaces", 1991.

Rennsalaer Polytechnic Institute, "MD Simulations of Glasses", 1991.

TMS-MSD Fall Meeting, "Simulations of Oxide Glass Surfaces", Detroit, MI., Oct. 1990.

Cornell University, School of Chemical Engineering, Ithaca, NY "Adsorption on Oxide Surfaces", September, 1990.

Gordon Research Conference on Functional Interactions of Water with Solid Surfaces, "Water Interactions with Oxide Surfaces", July 1990.

Roermond (European) Conference on Catalysis" Molecular Dynamics Studies of Silica Reactivity", The Netherlands, June 1990.

Gordon Research Conference on Glass, "Molecular Studies of Glass Surfaces", June 1990.

International Conference on Computer Applications to Materials Science and Engineering (CAMSE'90 and CAMSE'92), Tokyo, Japan, 1990, 1992 (declined).

V.M. Goldschmidt Conference, "Ab Initio Methods and Molecular Dynamics", Baltimore, MD 1990.

CCP5 Conference, "Simulations of Glassy Materials", Cambridge, United Kingdom, 1989.

10th International Conference on Glass Science, "Simulations of Molecular Interactions Silicate Glass Surfaces", Pennsylvania State University, 1989.

DOE Technology Transfer Symposium; "Interfaces in Materials Synthesis and Properties", Pacific Northwest Laboratory, Sept. 1988.

Gordon Research Conference on Glass "Molecular Dynamics Simulations of Water Interactions with Vitreous Silica", 1988

American Chemical Society, 22nd MARM, "Adsorption Sites on Vitreous Silica", Millersville, Pa. 1988.

Conference on "Effects of Modes of Formation on the Structure of Glasses", Vanderbilt University, 1987.

American Vacuum Society, 34th National Symposium, "Theoretical and Experimental Study of Adsorption Sites on Vitreous Silica", 1987.

University of Washington, Dept. of Materials Science and Engineering, "Simulations of Oxide Glass Surfaces", 1987.

Conference on "Quantum Theory and Experiment Applied to Solids", Univ. of Maryland, "Molecular Dynamics Simulation of Silicate Glass Surfaces", 1986.

Materials Research Society, Spring Meeting "Applications of Molecular Dynamics to Sol-Gel Processing", 1986.

NASA, Ames Research Center, Computational Chemistry, "Amorphous Silica Surface: Defect Structures and Adsorption Behavior", 1986.

Gordon Research Conference on Glass "Molecular Dynamics Simulations of Silica and Silicate Glass Surfaces", 1985.

AT&T Bell Labs, "Molecular Dynamics Simulations of Silica Surfaces", 1985.

Basic Science Division, Fall Meeting, American Ceramic Society, "Glass Surfaces as Seen by Molecular Dynamics", 1985.

Pennsylvania State University, Dept. of Materials Science and Engineering, "Molecular Dynamics Simulations of Glass Surfaces", 1985.

EXXON Corporate R&D Labs, "Molecular Dynamics Simulations of Glass Surfaces", 1984.

University of Alabama, Huntsville, Army Research Office, ARO/MICOM/AML Workshop on Environmental Effects on Optical Fibers, "Glass Surfaces at Atomic Level-Molecular Dynamics Simulations of v-SiO2", 1984.

Brookhaven National Labs, Metallurgy and Materials Science, 1983, "Structure of Vitreous Silica and Silicate Fracture Surfaces via Molecular Dynamics Simulation".