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Physics Faculty

Professor Sharma

Suresh SharmaDr. Suresh C. Sharma
Professor of Physics
PhD, Brandeis University, Waltham, MA
Faculty Research Page
Experimental Condensed Matter Group
Location: Room 335 CPB 
Phone: 817-272-2470  

Research Interests

Experimental investigations of phase transition phenomena, fullerenes, carbon nanotubes, semiconductors, diamond films, surfaces, superconductivity, polymers.

Visual Tour of Laboratories
| Representative Publications | Teaching | PhD and Thesis Supervision


Professional Membership

American Physical Society, Division of Condensed Matter Physics
Texas Section of the American Physical Society
Materials Research Society
American Vacuum Society
SPIE: The International Society for Optical Engineering

Research Interests

Electro-optical Properties of Materials
Properties of Materials Under High Pressure & High Temperature Conditions
Low-Energy Positron and Positronium Physics
Surface Physics, Phase Transitions and Critical Phenomena
Defects in Semiconductors, Diamond Films, MBE of III-V Compound Semiconductors




"Apparatus and Method for Rapid and Nondestructive Determination of Lattice Defects in Semiconductor Materials", U. S. Patent No. 5,406,085 (1995).

"Radiation detector Using Polymer-Dispersed Liquid Crystal Cell", U.S. Patent No. 6, 683, 309 (2004).

"Semiconductor Chip-Based Radiation Detector", Filed, March, 2003.

"Switchable Holographic Gratings", with Robert A. Ramsey, Filed, October, 2004.

Representative Publications

Carbon Nanotubes

  1. “Raman Scattering Study of Adsorption/Desorption of Water from Singke-Walled Carbon Nanotubes”, S. C. Sharma, D. Singh, and Y. Li, Journal of Raman Spectroscopy, 36, 2005 (in press).


Electro-Optical Properties of Polymer-Dispersed Liquid Crystals

  1. "Evidence for Droplet Reorientation and Interfacial Charges in a Polymer-Dispersed Liquid Crystal Cell", S. C. Sharma, L. Zhang, A. J. Tapiawala, and P. C. Jain, Phys. Rev. Letts., 87, 105501, (2001).

  2. “Electro-optical Properties and Interfacial Charges in Polymer-Dispersed Liquid Crystal Devices”, R. A. Ramsey, S. C. Sharma, R. M. Henry, and J. B. Atman, Mat. Res. Soc. Symp. Proc., 771, 339-344 (2003).

  3. “Effects of Crosslinking Agent, Cure Temperature, and UV Flux on the Electro-Optical Properties of Polymer-Dispersed Liquid Crystal Cells”, R. M. Henry, R. A. Ramsey, and S. C. Sharma, J. Polym. Science B: Polym. Phys. 42, 404-410 (2004).

  4. “Electrochromic Blue Shift in Polymer-Dispersed Liquid Crystal Cells”, R. A. Ramsey and S. C. Sharma, Optics Letters, 29, 2237-2239 (2004).

  5. “Switchable Holographic Gratings Formed in Polymer-Dispersed Liquid Crystal Cells Using He-Ne Laser”, R. A. Ramsey and S. C. Sharma, Optics Letters, 30, 592-594 (2005).

  6. “Effects of Formulation Variables on Liquid-Crystal Droplet Size Distributions in UV-Cured Polymer-Dispersed Liquid Crystal Cells”, R. M. Henry, S. C. Sharma, R. A. Ramsey, M. L. Cramer, and J. B. Atman, J. Polym. Sci. B: Polym. Phys. (2005), in press.


Optical and Electronic properties of Fullerenes under high pressure

  1. "Photoelectron Spectroscopy Measurements of the Valence Band Structures of Polymerized Thin Films of C60and La0.1C60 ”, B. Ha, J. H. Rhee, Y. Li, D. Singh, S. C. Sharma, Surface Science, 520, 186-192 (2002).

  2. “Raman Spectroscopy and X-ray Diffraction Measurements on C60 Compressed in Diamond Anvil Cell”, Y. Li, J. H. Rhee, D. Singh, and S. C. Sharma, Phys. Rev. B 68, 024106-1-024106-10 (2003). 

  3. “Temperature Dependence of the Electrical Resistivity of Polymrized C60 Thin Films”, R. Govinthasamy, J. H. Rhee, and S. C. Sharma, Mat. Res. Soc. Symp. Proc., 734, 285-290 (2003).

  4. “Effect of Pressure on the Raman Spectra of Methanol-Ethanol-Water Mixture at Room Temperature”, D. Singh, Y. Li, and S. C. Sharma, J. Raman Spectrscopy, 36, 24-27 (2005).

  5. “New Features in the Pressure Dependence of Photoluminescence Spectra of C60 at Room Temperature”, S. C. Sharma, D. Singh, and Y. Li, Solid State Commun, 133, 797-800 (2005).


Defects in Materials

  1. "A High Resolution Lifetime Study of Positron Trapping by Vacancies in Lead," S. C. Sharma, S. Berko and W. K. Warburton, Phys. Letts. 58 A, 405-408 (1976). 

  2. "Nondestructive Evaluation of Metals by Positron Annihilation Techniques," S. C. Sharma, R. M. Johnson, and L. M. Diana, Invited Review Paper in "Novel Nondestructive Evaluation Methods for Materials," AIME ed., B. B. Rath, p. 45-61 (1983). 

  3. "Monoenergetic Positron Beam, Positron Lifetime, and Hall-Effect Measurements in III-IV Epilayers Grown at Low Temperatures by Molecular Beam Epitaxy," N. Hozhabri, R. C. Hyer, S. C. Sharma, J. Y. Ma, R. N. Pathak, and K. Alavi, J. Vac. Sci. Technol, B 10, 788-792 (1992). 

  4. "Depth and Radial Profiles of Defects in Czochralski-Grown Silicon," S. C. Sharma, R. C. Hyer, N. Hozhabri, M. F. Pas, and S. Kim, Appl. Phys. Lett. 62, 1939-1941 (1992). 

  5. "Characterization of Defects in Thin Films, Interfaces and Bulk by Positron Annihilation Spectroscopy", S. C. Sharma (Invited Review Paper), Ceramic Transactions, 86, 145-164 (1998).


Density Fluctuations

  1. "Sensitivity of Orthopositronium Annihilation Rates to Density Fluctuations in Ethane Gas," S. C. Sharma, A. Eftekhari, and J. D. McNutt, Phys. Rev. Lett., 48, 953-956 (1982). 
  2. "Positron and Positronium Annihilation in Gases," S. C. Sharma, Invited Review Chapter in Positron and Positronium Chemistry, Studies in Physical and Theoretical Chemistry, eds., D. M. Schrader and Y. C. Jean, Elsevier, 57, 193-239 (1988). 
  3. "Positronium Localization in Molecular Gases: Role of Density Fluctuations," S. C. Sharma, Invited Review paper, in Positron Annihilation Studies of Fluids", ed., S. C. Sharma, World Scientific Publ., pp. 20-63, (1988). 
  4. "Effect of Gravity on Density Distribution and Orthopositronium Annihilation Rates in Ethane and Methane Near the Critical Point," S. C. Sharma and S. R. S. Kafle, J. Chem. Phys. 78, 6897-6900 (1983). 
  5. "New Features in the Behavior of Orthopositronium Annihilation Rates Near the Vapor-Liquid Critical Point of Ethane," S. C. Sharma, S. R. S. Kafle, and J. S. Hart, Phys. Rev. Lett. 52, 2233-2236 (1984). 
  6. "Microwave-induced Changes in the Decay Rates of Positronium Localized in Ethane Fluid", S. C. Sharma, R. H. Arganbright, and M. H. Ward, J. Phys. B 20, L441-446 (1987).



  1. "High-Tc Superconductor YBa2Cu3O7-δ Studied by Positron Annihilation", S. J. Wang, S. V. Naidu, S. C. Sharma, D. K. De, D. Y. Jeong, T. D. Black, S. Krichene, J. R. Reynolds, and J. M. Owens, Phys. Rev. B 37, 603-606 (1988). 
  2. "Positron Annihilation and Conductivity Measurements on Poly (Pyrrole Tosylate) and Poly (Pyrrole Fluoride)", S. C. Sharma, S. Krishnamoorthy, S. V. Naidu, C. I. Eom, S. Krichene, and J. R. Reynolds, Phys. Rev. B 41, 5258-5265 (1990). 
  3. "Temperature Dependence of dc Electrical Conductivity of Conducting Polymer: Poly (benzo[1,2-b:4,5-b'] dithiophene-4,8-diyl Vinylene)", R. G. Hyer, R. G. Pethe, S. C. Sharma, M. Pomerantz, J. Wang, and R. L. Elsenbaumer, Proceedings of the American Chemical Society, Div. of Polymeric Materials: Science and Engineering, 72, 278-279 (1995). 
  4. "Temperature Dependence of the Electrical Conductivity of Poly(Benzo[1,2-b:4,5-b']Dithiophene-4,8-Divl Vinylene) and Poly(Dodecylthiophene), R. C. Hyer, R. G. Pethe, T. Yogi, S. C. Sharma, M. Pomerantz, J. Wang, R. L. Meline, R. L. Elsenbaumer and R. D. McCullough, Mater. Res. Soc. Symp. Proc., 488, 701-706 (1998).


Surfaces and Physisorption

  1. "Two-Dimensional Physisorbed N2 on Grafoil Studied by Positron Annihilation Spectroscopy", N. Hozhabri, S. C. Sharma, and S. J. Wang, Phys. Rev. B, 39, 3990-3995 (1989). 
  2. "Two Dimensional Melting of Physisorbed Submonolayers of Argon and Nirtogen: A Positron Annihilation Study," S. C. Sharma, and N. Hozhabri, Appl. Phys. A: 52, 247-254, (1991). 
  3. "Positron Annihilation Study of Phase Transitions in Ethane Physisorbed on Grafoil", P. C. Jain, S. K. Lee, N. Hozhabri, and S. C. Sharma, Phys. Rev. B 49, 2821-2824 (1994). 
  4. "Phase transitions in Physisorbed Ethane Investigated by Positron Annihilation Spectroscopy", P. C. Jain, S. K. Lee, N. Hozhabri and S. C. Sharma, Phys. Rev. B 60, 2057-2063 (1999).


Diamond Films

  1. "Deposition of Diamond Films at Low Pressures and Their Characterization by Positron Annihilation, Raman, Scanning Electron Microscopy, and X-Ray Photoelectron Spectroscopy," S. C. Sharma, C. A. Dark, R. C. Hyer, M. Green, T. D. Black, A. R. Chourasia, D. R. Chopra, and K. K. Mishra, Appl. Phys. Lett. 56, 1781-1783 (1990). 
  2. "Growth of Diamond Films and Characterization by Raman, Scanning Electron Microscopy, and X-Ray Photoelectron Spectroscopy," S. C. Sharma, M. Green, R. C. Hyer, C. A. Dark, T. D. Black, A. R. Chourasia, D. R. Chopra, and K. K. Mishra, J. Mater. Res. 5, 2424-2432 (1990). 
  3. "Scanning Tunneling Microscopy of the Electronic Structure of Chemical Vapor Deposited Diamond Films," J. M. Perez, C. Lin, W. Rivera, R. C. Hyer, M. Green, S. C. Sharma, D. R. Chopra, and A. R. Chourasia, Appl. Phys. Lett. 62, 1889-1891 (1993). 
  4. "Nature of Defects and their Relationship with the Growth and Properties of Diamond Films", R. C. Hyer, M. Green, and S. C. Sharma, Phys. Rev. B 49, 14573-14581 (1994). 
  5. "A Study of Texture in Diamond Films as Functions of Methane Concentration During CVD and Post-Growth Hydrogen Treatment", D. Ganesan and S. C. Sharma, J. Mater. Res.10, 1764 (1995).

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Classical Mechanics (Goldstein)
Physics of Materials (Hummel)
Physics of Semiconductor Processing and Characterization
Quantum Mechanics I (Cohen-Tannoudji, Diu, Laloe, vol 1)
Quantum Mechanics II (Cohen-Tannoudji, Diu, Laloe, vol 2)
Solid State Physics, I (Ashcroft and Mermin)
Solid State Physics, II (Ashcroft and Mermin)
Special Topics in Physics
Statistical Mechanics (Huang)


Advanced Mechanics (Fowles)
Astrophysics (Goldberg and Scadron)
Cosmic Evolution (Silk)
General Technical Physics I (Serway and Beichner)
General Technical Physics II (Serway and Beichner)
Introduction to Modern Physics (Tipler)
Introduction to Nuclear Physics (Meyerhof)
Introduction to Quantum Mechanics.(Liboff)
Introductory Astronomy I (Abell)
Introductory Astronomy II (Abell)
Solid State Physics (Kittel)
Thermodynamics and Statistical Physics (Reif)

New Course Development

Undergraduate: "Cosmic Evolution" 
Graduate: "Methods of Experimental Physics"
"Physics of Semiconductor Processing and Characterization" 

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Ph.D Dissertation and M.S. Thesis Supervison

  1. "Sensitivity of Orthopositronium Annihilation to Density Fluctuations in Ethane Gas", A. Eftekhari, Ph. D., 1982.

  2. "Investigation of Crystalline Defects in Copper Samples by Positron Annihilation Techniques", Y. J. Ataiiyan, Ph. D., 1983.

  3. "Effects of Density and Electric Field on Positronium Formation in Methane Gas", S. D. Hyatt, M. S., 1984.

  4. "Positronium Trapping in Density Fluctuations in Ethane", E. M. Juengerman, M. S., 1985.

  5. "Effect of UV Radiation on Positronium Quenching in Ethane-Benzaldehyde Mixtures", C. I. Eom, M. S., 1986.

  6. "Effects of Microwave Radiation on Positronium Trapping in Ethane", R. H. Arganbright, M. S., 1987.

  7. "Positron Annihilation Studies of Conducting Polymers", S. Krishnamoorthy, M. S., 1988.

  8. "Computer Modeling of the Vapor-Liquid Interface of Ethane in Relation to Positronium Decay Rate Measurements", S. Ayyalasomayajula, M. S., 1988.

  9. "Positronium Localization in Carbon Dioxide", M H. Ward, M. S., 1988.

  10. "Positronium Quenching via Collisions with Triplet States of Photomagnetic Molecules", C. I. Eom, Ph. D., 1989.
  11. "Two-Dimensional Physisorbed Sub-monolayers of Argon and Nitrogen Studied by Positron Annihilation", N. Hozhabri, Ph. D., 1989. 
  12. "Deposition and Characterization of Diamond Films", C. A. Dark, M. S., 1990.

  13. "Helium Physisorption on the Internal Surfaces of Radiation Induced Bubbles in Aluminum", J. Y. Ma, M. S., 1990. 
  14. "Deposition of Diamond Films and Comparative Characterization by Raman, X-Ray Photoelectron, and Positron Annihilation Spectroscopies," M. Green, Ph. D., 1991.

  15. "Positron Annihilation Study of Ethane Physisorbed on Grafoil," S. K. Lee, M. S., 1991.

  16. "Neutron Activation Analysis and Positron Annihilation Measurements on Bone Samples," A. K. Chopra, M. S., 1992.

  17. "Six MeV Electron Transmission Through A Lead Intraocular Shield", George G. Janik, M. S., 1993.

  18. "Hydrogen in Diamond Films", K. S. Yi, M. S., 1993.

  19. "Nucleation and Growth of Diamond Films and Defect Characterization by Monoenergetic Positron Beam and Positron Lifetime Measurements", R. C. Hyer, Ph. D., 1993.

  20. "Study of Defects in TiN/Si and TiN/SiO2/Si by Positron Beam Spectroscopy", A. K. Issar, M. S., 1994.

  21. "A Study of Texture and Negative Electron Affinity of Diamond Films Grown by Chemical Vapor Deposition", D. Ganesan, Ph. D., 1995.

  22. "Temperature Dependence of the Electrical Conductivity of Polymers", T. Yogi, M. S., 1996.

  23. "Positron Annihilation Measurements on Hydrogen-Plasma Treated Silicon", L. Rubealcaba, M. S., 1997.

  24. "Electro-optical properties of a polymer-dispersed liquid cryatalline material", A. Tapiawala, M. S., 1999.

  25. "Optical Properties of Polymer-Dispersed Liquid Crystalline Materials", L. Zhang, Ph. D., 2000.

  26. “Photoelectron Spectroscopy Measurements of the Electronic Structure of C60 and Other Carbon-Based Materials”, B. Ha, PhD, Dec., 2002.

  27. “Temperature Dependence of the Electrical Resistivity of C60 Thin Films”, R. Govinthasamy, M. S., July, 2003.

  28. “Growth of C60 Thin Films and Their Characterization by X-Ray Diffraction and Four-Probe Electrical Conductivity\ Measurements at Low Temperatures”, J. H. Rhee, Ph. D., December, 2004.

  29. “Raman Spectroscopy Measurements on C60 Compressed under High Pressures”, Ying Li, May, 2005.

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