Dr. Chris L. Littler, Department Chair
 
 
  Department of Physics
1155 Union Circle, #311427
Denton, Texas  76203		 (940) 565-2630
Physics Building, Room 110
clittler@unt.edu
 
   
Education:      

Ph.D., North Texas State University, 1984.
Solid state physics.

 

Research:       Dr. Littler investigates the interaction of compound semiconductors and light. His work has advanced understanding of impurities in infrared detector materials and the phenomenon of the Faraday effect in semiconductors.
 
Publications:        
  1. "High Resolution Magneto-Optical Studies of p-InSb," C. L. Littler, D. G. Seiler, R. Kaplan, R. J. Wagner, and W. Zawadzki, Solid State Commun. 37 , 783 (1981).
 
  2. "Magneto-Optical Detection of Deep Acceptor Impurities in p-InSb," C. L. Littler, D. G. Seiler, R. Kaplan, and R. J. Wagner, Appl. Phys. Lett. 41 , 880 (1982).
 
  3. "High Resolution Magneto-Optical Studies of Free and Bound Hole Excitations in InSb," R. Kaplan, R. J. Wagner, D. G. Seiler, C. L. Littler, M. H. Weiler, and W. Zawadzki, in The Physics of Narrow Gap Semiconductors, Proceedings, Linz, Austria, 1982 (Springer-Verlag, New York, 1982), E. Gornik, H. Heinrich, and L. Palmetshafer, editors, p. 188.
 
  4. "High Resolution Magneto-Optical Studies of Free and Bound Holes in p-InSb," C. L. Littler, D. G. Seiler, R. Kaplan, and R. J. Wagner, Phys. Rev. B27 , 7473 (1983).
 
  5. "Two-Photon Resonant Photo-Hall Effect in n-InSb," C. L. Littler, D. G. Seiler, and S. W. McClure, Solid State Commun. 50 , 565 (1984).
 
  6. "New Photoelectronic Investigations of the Nonlinear Optical Properties of n-InSb," D. G. Seiler, C. L. Littler, and S. W. McClure, Optics Commun. 50 , 359 (1984).
 
  7. "Laser Induced Resonant Carrier Lifetimes in n-InSb," S. W. McClure, D. G. Seiler, and C. L. Littler, J. Appl. Phys. 56 , 1655 (1984).
 
  8. "The Magnetophonon Effect: A Tool for Characterizing Hg1-xCdxTe," S. W. McClure, D. G. Seiler, C. L. Littler, and M. W. Goodwin, J. Vac. Sci. Technol. A3 , 271 (1985).
 
  9. "Two-Photon Spectroscopy of GaAs," D. G. Seiler, C. L. Littler, and D. Heiman, J. Appl. Phys. 57 , 2191 (1985).
 
  10. "Nonlinear Oscillations, Bifurcation and Chaos in n-InSb," D. G. Seiler, C. L. Littler, and R. J. Justice, in Proceedings of the 17th International Conference on the Physics of Semiconductors, San Francisco, CA, August 1984 (Springer-Verlag, New York, 1985), p. 1385.
 
  11. "Temperature Dependence of the Energy Gap of InSb Using Nonlinear Optical Techniques," C. L. Littler and D. G. Seiler, Appl. Phys. Lett. 46 , 986 (1985).
 
  12. "Nonlinear Oscillations and Chaos in n-InSb," D. G. Seiler, C. L. Littler, R. J. Justice, and P. W. Milonni, Phys. Lett. A 108 , 462 (1985).
 
  13. "CO2 Laser Spectroscopy of Shallow and Deep Levels in n-InSb by Photo-Hall Techniques," C. L. Littler and D. G. Seiler, J. Appl. Phys. 60 , 261 (1986).
 
  14. "Bound Excitons in the Narrow-Gap Semiconductor InSb," D. G. Seiler, K. H. Littler, and C. L. Littler, Semiconductor Science and Technology 1 , 383 (1986).
 
  15. "Two-Photon Spectroscopy of GaAs," D. G. Seiler, C. L. Littler, and D. Heiman, in Key Papers in Physics: Gallium Arsenide (American Institute of Physics, New York, 1987), Vol. 1, p. 198.
 
  16. "A New Method of Characterizing Majority and Minority Carriers in Semiconductors," D. L. Leslie-Pelecky, D. G. Seiler, M. R. Loloee, and C. L. Littler, Appl. Phys. Lett. 51 , 1916 (1987).
 
  17. "Nonlinear Spectroscopy of Narrow Gap Semiconductors in the High Magnetic Fields," D. G. Seiler and C. L. Littler, in Proceedings of the International Conference High Magnetic Fields in Semiconductor Physics, Wurzburg, Germany, August 1986 (Springer-Verlag, New York, 1987); Springer Series in Solid State Sciences, Vol. 71, p. 454.
 
  18. "Two-Photon Spectroscopy of InSb-Type Semiconductors," D. G. Seiler and C. L. Littler, Acta Physica Polonica A73 , (1988).
 
  19. "Simultaneous Measurement of the Energy Gap and Conduction Band Effective Mass in n-InSb," D. G. Seiler, S. A. Milazzo, A. J. Durkin, M. R. Loloee, and C. L. Littler, published in the Proceedings of the 19th International Conference on the Physics of Semiconductors, Warsaw, Poland (1988).
 
  20. "Nonlinear Magneto-Optical Spectroscopy of Hg1-xCdxTe by Two-Photon Absorption Techniques," D. G. Seiler, C. L. Littler, M. R. Loloee, and S. A. Milazzo, J. Vac. Sci. Technol. A7 , 370 (1989).
 
  21. "New Laser-Based Magneto-Optical Studies of Hg1-xCdxTe Alloys," D. G. Seiler, M. R. Loloee, S. A. Milazzo, and C. L. Littler, Solid State Commun. 69 , 757 (1989).
 
  22. "Donor-Shifted Phonon-Assisted Magneto-Optical Resonances in n-InSb," Phys. Rev. Lett. 63 , 2845 (1989).
 
  23. "Phonon-Assisted Magneto-Donor Optical Transitions in n-InSb," Semicond. Sci. Technol. 5 , 169 (1990).
 
  24. "Magneto-Optical Investigation of Impurities and Defects in Hg1-xCdxTe Alloys," C. L. Littler, D. G. Seiler, and M. R. Loloee, J. Vac. Sci. Technol., A8 , 1133 (1990).
 
  25. "Temperature and Composition Dependence of the Energy Gap of Hg1-xCdxTe by Two-Photon Magnetoabsorption Techniques," D. G. Seiler, J. R. Lowney, C. L. Littler, and M. R. Loloee, J. Vac. Sci. Technol. A8 , 1237 (1990).
 
  26. "High Excited States of Magneto-Donors in InSb: An Experimental and Theoretical Study, W. Zawadzki, X. N. Song, C. L. Littler, and D. G. Seiler, Phys. Rev. B 42 , 5260 (1990).
 
  27. "Narrow Gap Semiconductors: Perspective and State of the Art," D. G. Seiler and C. L. Littler, Journal of Research of the National Institute of Standards and Technology 95 , 469 (1990).
 
  28. "Orbital and Spin Anisotropy of Conduction Electrons in InSb," C. L. Littler, I. T. Yoon, X. N. Song, W. Zawadzki, P. Pfeffer, and D. G. Seiler, published in the Proceedings of the 20th International Conference on the Physics of Semiconductors (World Scientific, Singapore, 1990) p. 1763.
 
  29. "Bound-Hole Excitations in p-Hg1-xCdxTe," C. L. Littler, M. R. Loloee, W. Zawadzki, and D. G. Seiler, published in the Proceedings of the 20th International Conference on the Physics of Semiconductors (World Scientific, Singapore, 1990) p.2263.
 
  30. "Photoexcited Hot Electron Relaxation Processes in n-Hg1-xCdxTe Through Impact Ionization into Traps, D. G. Seiler, J. R. Lowney, C. L. Littler, I. T. Yoon, and M. R. Loloee, J. Vac. Sci. Technol. B 9 , 1847 (1991).
 
  31. "Intrinsic Carrier Concentration in Long Wavelength Hg1-xCdxTe Based on the New Nonlinear Dependence of Eg(x,T)," D. G. Seiler, J. R. Lowney, C. L. Littler, and I. T. Yoon, Mat. Res. Symp. Proc. 216 , 59 (1991).
 
  32. "Intrinsic Carrier Concentration in Long Wavelength Hg1-xCdxTe Based on the New Nonlinear Dependence of Eg(x,T)," D. G. Seiler, J. R. Lowney, C. L. Littler, and I. T. Yoon, J. Appl. Phys. 71 , 1253 (1992).
 
  33. "Investigation of Hg Interstitials in Hg1-xCdxTe Alloys using Resonant Impact Ionization Spectroscopy," C. L. Littler, E. Maldonado, X. N. Song, Z. Yu, J. L. Elkind, D. G. Seiler, and J. R. Lowney, J. Vac. Sci. Technol. B 10 , 1466 (1992).
 
  34. "Anisotropy of the Conduction Band of InSb: Orbital and Spin Properties," W. Zawadzki, I. T. Yoon, C. L. Littler, X. N. Song, and P. Pfeffer, Phys. Rev. B 46, 9469 (1992).
 
  35. "Synchronization of Chaos in Coupled Tunnel Diode Relaxation Oscillators," published in the Proceedings of the 1st Experimental Chaos Conference (World Scientific, 1992).
 
  36. "Autonomous and Externally Driven Periodic and Chaotic Hall Voltage Oscillations in n-InSb," published in the Proceedings of the 1st Experimental Chaos Conference (World Scientific, 1992).
 
  37. "Magneto-Optical Analysis of Hg1-xCdxTe and other Semiconductors," A. J. Syllaios, J. E. Fulp, A. P. Hunt, H. F. Shaake, C. L. Littler, C. R. Christensen, J. A. Grisham, and F. W. Clarke, published in the Proceedings of the 1992 IRIS Specialty Group on Infrared Materials (a classified proceedings), 1992.
 
  38. "RII Spectroscopy Of Trap Levels in Bulk and LPE Hg1-xCdxTe," C. L. Littler, X. N. Song, Z. Yu, J. L. Elkind, J. R. Lowney and D. G. Seiler, Semicond. Sci. Technol. 8 , 317 (1993).
 
  39. "Faraday Rotation Analysis of Hg1-xCdxTe," A. J. Syllaios, C. L. Littler, V. C. Lopes, X. N. Song, C. R. Christensen, J. A. Grisham, and F. W. Clarke, Semiconductor Science and Technology 8 , 953 (1993).
 
  40. "Heavily Accumulated Surfaces of Hg1-xCdxTe Detectors: Theory and Experiment," J. R. Lowney, D. G. Seiler, W. R. Thurber, C. L. Littler, Z. Yu, and X. N. Song, Journal of Electronic Materials 22 , 985 (1993).
 
  41. "Stabilization of Quasiperiodic Orbits for Line-Coupled Diode Resonator Systems.", Z. Yu, J. Steinshnider, C. L. Littler, J. M. Perez, and J. M. Kowalski, Phys. Rev. E 49, 220(1994).
 
  42. "Progress on Magneto-Optical Characterization of LWIR HgCdTe." A. J. Syllaios, V. C. Lopes, L. Taylor, M. Woosley, C. L. Littler, C. R. Christensen, J. A. Grisham, and F. W. Clarke, published in the Proceedings of the 1993 IRIS Specialty Group on Infrared Materials (a classified proceedings).
 
  43. "Characterization of Impurities and Defects in InSb and Hg1-xCdxTe using Novel Magneto-Optical Techniques," C. L. Littler, invited paper in the Proceedings of SPIE 58, 225(1993).
 
  44.. "'Infrared-light Induced Volume Phase transition in N-isopropylacrylamide gel," X. Zhang, Y. Li, Z. Hu, C. Li, and C. L. Littler, Proceedings of the Second International Conference on Intelligent Materials, edited by C. A. Rogers and G. G. Wallace, p. 1341 (1994).
 
  45. "Bending of N-isopropylacrylamide gel under the influence of infrared light," X. Zhang, Y. Li, Z. Hu, C. Li, and C. L. Littler, J. Chem. Phys. 102, 551 (1994).
 
  46. "Magneto-Optical Screening of HgCdTe in Production," A. J. Syllaios, D. Weirauch, J. A. Anderson, M. Woolsey, L. Taylor, C. L. Littler, C. R. Christensen, J. A. Grisham, and F. W. Clarke, Proceedings of the IRIS Materials Technology Group, National Institute of Standards and Technology, Boulder, CO, August 15th, 1994.
 
  47. "Magneto-Optical Characterization of HgCdTe Thin Films," A. J. Syllaios, L. Colombo, D. Chandra, J. Dodge, H. D. Shih, M. Bevan, C. L. Littler, G. Brostow, X. N., Song ,C. R. Christensen, J. A. Grisham, and F. W. Clarke, in Producibility of II-VI Materials and Devices, Proceedings of SPIE 2228, 309 (1994).
 
  48. "Deep Level Centres in HgCdTe," C.Littler, invited paper in Properties of Narrow Gap Cadmium-based Compounds, EMIS Datareviews Series 10 , ed. P Capper (INSPEC, London, 1994), p. 250.
 
  49. "CO2 laser controlled transmission of visible light in N-isopropylacrylamide gel," X. Zhang, Y. Li, Z. Hu, and C. L. Littler, Polymer Gels and Networks 3, 267 (1995).
 
  50. "The Effect of Deep Levels on Lifetimes in HgCdTe," C. L. Littler, A.J. Syllaios, and V. C. Lopes, Prog. Crystal Growth and Charact. 28, 145 (1994).
 
  51. "Effect of Infrared radiation on Polymer Gels," X. Zhang, Y. Li, Z. Hu, C. Li, and C. L. Littler, invited contribution to Matererials Science and Engineering C2, 221(1995).
 
  52. "Bending of N-isopropylacrylamide gel under the influence of infrared light," Journal of Chemical Physics 102, 551(1995)
 
  53. "Nondestructive Characterization of HgCdTe Layers with p-n Structures by Magneto-Thermoelectric Measurements," J. Baars, D. Brink, C. L. Littler, and M. Bruder, Journal of Electronic Materials 24, 1311 (1995).
 
  54. "Remote Vibration Sensing Using a Radio-Frequency Autooscillatory Opto-Electronic Circuit with a Fiber-Optical Delay Line," E. M. Rabinovich, C. L. Littler, J. M. Kowalski, and D. L. Maxon,Measurement Science and Technology 6, 1 (1995).
 
  55. "Magnetophonon Oscillations in the Longitudinal Magnetothermal EMF of HgCdTe," J. Baars, C. L. Littler, D. Brink, and M. Bruder, IOP 144, 50(1995).
 
  56. "Magnetophonon Oscillations in the Transverse and Longitudinal Magnetothermal EMF of HgCdTe," J. Baars, C. L. Littler, D. Brink, and M. Bruder, J. Electronic Mat. 25, 1196(1996).
 
  57. "Dynamical Instabilities in a CO2 Laser with an Externally Modulated Optical Feedback," E. M. Rabinovich, J. M, Kowalski, C. L. Littler, A. Bystrik, J. Prasad, and B. J. West, CIS Selected Papers Nonlinear Dynamics of Lasers and Optical Systems V. V. Tuchin, editor. Proceedings SPIE 3177, 77-83 (1997).
 
  58. "Al1-xInxAs1-ySby Heterojunctions and Multilayers grown by Molecular Beam Epitaxy for Effective Mass Superlattices," D. Washington, T. Hogan, P.Chow, T. D. Golding, C. L. Littler and U. Kirschbaum, J. Vac. Sci Technol. B16, 1385 (1998).
 
  59. "AlxIn1-xAs1-ySby/GaSb effective mass superlattices grown by molecular beam epitaxy," D. Washington-Stokes, T. P. Hogan, P. C. Chow, T. D. Golding, U. Kirschbaum, C. L. Littler and R. Lukic, Journal of Crystal Growth, 201-202, 854 (1999).
 
  60. "Electrical and magnetotransport in AlxIn1-xAsySb1-y/GaSb multilayers," R. Lukic-Zrnic, D. W. Stokes, C. L Littler and T. D. Golding Semicond. Sci. Technol. 16 353 (2001).
 
  61. "Temperature dependence of the band gap of GaAsSb epilayers," R. Lukic-Zrnic, B. P. Gorman, R. J. Cottier, T. D. Golding, C. L. Littler and A. G. Norman, J. Appl. Phys. 92, 6939 (2002).
 
  62. "A Discussion on the Utilization of Elemental Transmutation for Efficient p-type Doping in HgCdTe and HgCdTeSe: Approach and Methodology," T. D. Golding, C.L. Littler and J. Dinan, J. Electronic Materials 31, 705 (2002).
 
  63. "Optical Characterization of Ordered GaAsSb Epilayers Grown by Molecular Beam Epitaxy on Various Orientations of GaAs," C. L. Littler, R. Lukic-Zrnic, R. J. Cottier B. P. Gorman,T. D. Golding, and A. G. Norman, Proceeding of the 26th International Conference on the Physics of Semiconductors (IOP, Bristol, 2003), p.H246.
 
  64. "Raman and magneto transport studies of MBE grown β-FeSi2, β-(Fe1-xCrx)Si2, and β-(Fe1-xCox)Si2," A. Srujana, A. Wadhawan, K. Srikala, B.P. Gorman, R.J. Cottier, Wei Zhao, C.L. Littler, J.M. Perez, and T.D. Golding, A.G. Birdwell W. Henrion, M. Rebien, and P. Stauss, and R. Glosser, MRS Proceedings Volume 744, 321 (2003).
 
  65. "Excitonic Transitions in β-FeSi2 Epitaxial Films and Single Crystals," A. G. Birdwell, T. J. Shaffner, D. Chandler-Horowitz, G.H. Buh, M. Rebien, W. Henrion, P. Stauss, G. Behr, L. Malikova, F. H. Pollak, C. L. Littler, R. Glosser, and S. Collins, J. Appl. Phys. 95, 2441(2004).
 
  66. "Magnetoconductivity Tensor Analysis of Anomolous Transport Effects in Neutron Irradiated HgCdTe Epilayers," Wei Zhao, R. Lukic-Zrnic, B. P. Gorman, R. L., Cottier, T. D. Golding, C. L. Littler, J. H. Dinan, L. A. Almeida, J. A. Dura, R. M. Linstrom, H. F. Schaake, and P. Liao, Physica E 20, 246(2004).
 
  67. "Effects of Substrate Orientation on the Spontaneous Ordering of GaAsSb Epilayers grown by Molecular Beam Epitaxy," B. P. Gorman, A. G. Norman, R. Lukic-Zrnic, T. D. Golding, and C. L. Littler, Materials Research Society Symposium Proceedings 794, T10.6.1 (2004).
 
  68. "Atomic Ordering-Induced Band-Gap Reductions in Ga1-xAsxSb Epilayers Grown by Molecular Beam Epitaxy," B. P. Gorman, A. G. Norman, R. Lukic-Zrnic, C. L. Littler, H.R. Moutinho,T. D. Golding, and A. G. Birdwell, J. Appl. Phys. 97, 063701 (2005).
 
  69. "Temperature, Thickness, and Interfacial Composition Effects on the Absorption Properties of (Hg,Cd)Te Epilayers Grown by Liquid Phase Epitaxy on CdZnTe," C. L. Littler, B. P. Gorman, D. F. Weirauch, P. K. Liao and H. F. Schaake, J. Electronic Materials 34, 768(2005).
 
  70. "Optical Investigations of Semiconducting FeSi2 using Photoreflectance Spectroscopy," A. G. Birdwell, A. Davydov, C. L. Littler, R. Glosser, F. H. Pollak and L. Malikova, AIP Conf. Proc. 772, 109 (2005).
 
  71. "Optical Critical Points of Thin-Film Ge1-ySny Alloys: A Comparative Ge1-ySny/Ge1-xSix Study," Vijay R. D'Costa, Candi S. Cook, A.G. Birdwell, Chris L. Littler, Michael Canonico, Stefan Zollner6, John Kouvetakis, and Jose Menendez, Phys. Rev. B 73, 125207 (2006).
 
  72. "Diffusion of Se in LPE Hg0.78Cd0.22Te," W. Zhao, T.D. Golding, C.L. Littler, J.H. Dinan , J.A. Dura, R.M. Lindstrom, accepted for publication in Journal of Electronic Materials.
 
Contributed Talks at National Meetings:
  1. C. L. Littler, D. G. Seiler, R. Kaplan, and R. J. Wagner, "High Resolution Magneto-Optical Studies of Bound and Free Hole Excitations in p-InSb," Bull. Am. Phys. Soc. 27 , 144 (1982).
 
  2. C. L. Littler, D. G. Seiler, R. Kaplan, and R. J. Wagner, "Magneto- Optical Detection of Deep Acceptor Impurities in p-InSb," Optics News 8 , 39 (1982).
 
  3. C. L. Littler, D. G. Seiler, and S. W. McClure, "Two-Photon Induced Photo-Hall Effect in n-InSb," Bull. Am. Phys. Soc. 28 , 338 (1983).
 
  4. S. W. McClure, D. G. Seiler, and C. L. Littler, "CO2 Laser-Induced Photoexcited Carrier Lifetimes in n-InSb," Bull. Am. Phys. Soc. 28 , 338 (1983).
 
  5. C. L. Littler, D. G. Seiler, and S. W. McClure, "Temperature Dependence of the Energy Gap of InSb Using Nonlinear Optical Techniques," Bull. Am. Phys. Soc. 29 , 304 (1984).
 
  6. S. W. McClure, D. G. Seiler, and C. L. Littler, "The Magnetophonon Effect in Hg1-xCdxTe," Bull. Am. Phys. Soc. 29 , 304 (1984).
 
  7. C. L. Littler, D. G. Seiler, and S. W. McClure, "Investigation of the Interaction of CO2 Laser Sb Using the Photo-Hall Effect," Bull. Amer. Phys. Soc. 29 , 916 (1984).
 
  8. S. W. McClure, D. G. Seiler, and C. L. Littler, "Two-Photon Magneto- Absorption Induced Resonant Carrier Lifetimes in n-InSb," Bull. Amer. Phys. Soc. 29 , 304 (1984).
 
  9. D. G. Seiler, S. W. McClure, C. L. Littler, and M. W. Goodwin, "The Magnetophonon Effect: A Tool for Characterizing Hg1-xCdxTe," presented at the U.S. Workshop on the Physics and Chemistry of Hg1-xCdxTe, San Diego, CA, May 1984.
 
  10. R. J. Justice, D. G. Seiler, and C. L. Littler, "A Survey of Chaos and Chaotic Systems," American Physical Society Talk, Houston, TX, March 1985.
 
  11. C. L. Littler and D. G. Seiler, "Photo-Hall Spectroscopy of Shallow and Deep Impurities in n-InSb," Bull. Amer. Phys. Soc. 30 , 368 (1985).
 
  12. R. J. Justice, D. G. Seiler, M. R. Loloee, and C. L. Littler, "Below Band Gap Optical Absorption Techniques for Investigating Carrier Lifetimes in p-type Hg1-xCdxTe," Bull. Amer. Phys. Soc. 32 , 1181 (1987).
 
  13. D. L. Leslie-Pelecky, D. G. Seiler, M. R. Loloee, and C. L. Littler, "A New Approach to Semiconductor Characterization Using Hall Coefficient and Magnetoresistance Measurements," presented at the Texas Section of the American Physical Society, Abilene, TX, March 6-7, 1987.
 
  14. D. L. Leslie-Pelecky, D. G. Seiler, M. R. Loloee, and C. L. Littler, "A New Approach to the Characterization of Bulk and LPE Hg1-xCdxTe Using Hall Coefficient and Magnetoresistance Measurements," Bull. Amer. Phys. Soc. 32 , 491 (1987).  
 
  15. M. R. Loloee, D. G. Seiler, and C. L. Littler, "Investigation of Photoconductive Carrier Lifetimes in n- and p-type Hg1-xCdxTe," Bull. Amer. Phys. Soc. 32 , 491 (1987). 
 
  16. D. L. Leslie-Pelecky, D. G. Seiler, M. R. Loloee, and C. L. Littler, "A Novel Characterization Method Using Hall Coefficient and Magnetoresistance Measurements," presented at the 6th Annual Joint Symposium on Electronic Materials, Processing, and Characterization, Dallas, TX, June 1-2, 1987. Won Best Paper Award
 
  17. R. L. Schalek, D. L. Leslie-Pelecky, D. G. Seiler, M. R. Loloee, and C. L. Littler, "Investigation of Anomalous n-type LPE Hg1-xCdxTe Samples Using the Magnetoconductivity Tensor Method," Bull. Amer. Phys. Soc. 33 , 1341 (1988).
 
  18. C. L. Littler, D. G. Seiler, R. L. Schalek, D. L. Leslie-Pelecky, and M. R. Loloee, "Investigation of n-type LPE Hg1-xCdxTe Films Using the Magnetoconductivity Tensor Analysis," Bull. Amer. Phys. Soc. 33 , 231 (1988).
 
  19. D. G. Seiler, S. A. Milazzo, M. R. Loloee, and C. L. Littler, "Nonlinear Magneto-Optical Spectroscopy of Hg1-xCdxTe by Two-Photon Absorption Techniques," presented at the U. S. Workshop on the Physics and Chemistry of Hg1-xCdxTe, Orlando, Florida, October 10-14, 1988.
 
  20. M. R. Loloee, C. L. Littler, and D. G. Seiler, "Temperature Dependence of the Energy Gap of Hg1-xCdxTe using Nonlinear Optical Techniques," Bull. Am. Phys. Soc. 34 , 1030 (1989).
 
  21. S. A. Milazzo, C. L. Littler, D. G. Seiler, W. Zawadzki, M.R. Loloee, and A. J. Durkin, "Measurement of the Energy Gap and Effective Mass in InSb: A Test for k.p Theory," Bull. Am. Phys. Soc. 34 , 1519 (1989).
 
  22. X. N. Song, C. L. Littler, M. R. Loloee, and D. G. Seiler, "Nonlinear Oscillations and Chaotic Behavior in InSb," Bull. Am. Phys. Soc. 34 , 1559 (1989).
 
  23. C. L. Littler, W. Zawadzki, M. R. Loloee, X. N. Song, and D. G. Seiler, " Phonon-Assisted Magneto-Donor Optical transitions in n-InSb," presented at the 5nth International Conference on Narrow Gap Semiconductors and Related Materials, Gaithersburg, Maryland, June 12-15, 1989.
 
  24. C. L. Littler, M. R. Loloee, and D. G. Seiler, "Magneto-Optical Investigations of Impurity and Defect Levels in Hg1-xCdxTe," presented at the 1989 U. S. Workshop on the Physics and Chemistry of Hg1-xCdxTe, San Diego, California, October 3-5, 1989.
 
  25. D. G. Seiler, J. R. Lowney, C. L. Littler, and M. R. Loloee, " A New Relationship for the Temperature Dependence of the Energy Gap of Hg1-xCdxTe," presented at the 1989 U. S. Workshop on the Physics and Chemistry of Hg1-xCdxTe, San Diego, California, October 3-5, 1989.
 
  26. C. L. Littler and D. G. Seiler, "Magneto-Optical Investigations of Hg1-xCdxTe Alloys," presented at the Fall Meeting of the Texas Section of the American Physical Society, San Antonio, Texas, October 20-21, 1989.
 
  27. W. Zawadzki, C. L. Littler, and X. N. Song, "Phonon-Assisted Magneto- Donor Optical Transitions in n-InSb," presented at the Fall Meeting of the Texas Section of the American Physical Society, San Antonio, Texas, October 20-21, 1989.
 
  28. X. N. Song, C. L. Littler, and D. G. Seiler, " Nonlinear Oscillations and Chaos in n-InSb," presented at the Fall Meeting of the Texas Section of the American Physical Society, San Antonio, Texas, October 20-21, 1989.
 
  29. M. R. Loloee, C. L. Littler, and D. G. Seiler, " Magneto-Optical Investigations of Hg1-xCdxTe Alloys," Bull. Am. Phys. Soc. 35 , 570 (1990).
 
  30. X. N. Song, C. L. Littler, W. Zawadzki, and D. G. Seiler, "Phonon- Assisted Donor-Shifted Magneto-Optical Transitions in n-InSb," Bull. Am. Phys. Soc. 35 , 706 (1990).
 
  31. C. L. Littler, "Magneto-Optics of Narrow-Gap Semiconductors," 2nd Annual Meeting of the Metroplex Advanced Materials Forum, Denton, Texas, April 3, 1990.
 
  32. P. Pfeffer, W. Zawadzki, C. L. Littler, and I. T. Yoon, "Anisotropy of Orbital and Spin Properties of the Conduction Band of InSb," presented at the XIX International School on the Physics of Semiconducting Compounds, Ustron-Jaszowiec, Poland, April 23-27, 1990.
 
  33. C. L. Littler, D. G. Seiler, and I. T. Yoon, "Magneto-Optical Investigation of Impurities and Defects in Hg1-xCdxTe," presented at the SPIE Southcentral Meeting on Optical Engineering, Dallas, Texas, May 10, 1990.
 
  34. D. G. Seiler, J. R. Lowney, C. L. Littler, I. T. Yoon, and M. R. Loloee, "Photoexcited Hot Electron Relaxation Processes in n-Hg1-xCdxTe Through Impact Ionization into Traps," presented at the 1990 US Workshop of the Physics and Chemistry of Hg1-xCdxTe, October 3-5, 1990.
 
  35. X. N. Song, C. L. Littler, J. M. Kowalski, and J. Perez, "Magnetic Field-Induced Nonlinear Oscillations in n-InSb," presented at the Fall Meeting of the Texas Section of the American Physical Society, Texas City, November 9-10, 1990.
 
  36. I. T. Yoon, C. L. Littler, W. Zawadzki, P. Pfeffer, and D. G. Seiler, "Orbital and Spin Anisotropy of Conduction Electrons in InSb," presented at the Fall Meeting of the Texas Section of the American Physical Society, Texas City, November 9-10, 1990.
 
  37. J. Perez, X. N. Song, G. Albert, J. M. Kowalski, and C. L. Littler, "Rate Equation Model for Magnetic-Field Induced Oscillations and Chaos in n- InSb," presented at the Fall Meeting of the Texas Section of the American Physical Society, Texas City, November 9-10, 1990.
 
  38. D. G. Seiler, J. R. Lowney, C. L. Littler, and I. T. Yoon, "Intrinsic Carrier Concentrations in Long Wavelength Hg1-xCdxTe based on the new Nonlinear Temperature Dependence of Eg(x,T)," presented at the Fall Meeting of the Materials Research Society, Boston, Massachusetts, November 26-30, 1990.
 
  39. I. T. Yoon and C. L. Littler,"Orbital and Spin Anisotropy of Conduction Electrons in InSb," presented at the March Meeting of the American Physical Society, Cincinnati, Ohio.
 
  40. A. J. Syllaios, J. Fulp, C. L. Littler, and E. Maldonado," Investigation of Faraday Rotation in x = 0.2 and 0.3 Hg1-xCdxTe," presented at the Southwest Meeting of SPIE, Dallas Texas, May 1991.
 
  41. C. L. Littler, E. Maldonado, X. N. Song, J. L. Elkind, D. G. Seiler, and J. R. Lowney, "Investigation of Mercury Interstitials in Hg1-xCdxTe using Resonant Impact Ionization Spectroscopy," presented at the 1991 U. S. Workshop on the Physics and Chemistry of Hg1-xCdxTe and Related Materials, October, 1991.
 
  42. X. N. Song, Z. Yu, G. Albert, J. M. Kowalski, C. L. Littler, and J. M. Perez, "Autonomous and Externally Driven Periodic and Chaotic Hall Voltage oscillations in n-InSb," presented at the 1st Experimental Chaos Conference, Arlington, Va. October, 1991.
 
  43. J. M. Perez, Z. Yu, J. M. Kowalski, G. Albert, C. L. Littler, and X. N. Song, "Sychronization of Chaos in Coupled Tunnel Diode Relaxation Oscillators," presented at the 1st Experimental Chaos Conference, Arlington, Va. October, 1991.
 
  44. C. L. Littler, E. Maldonado, and X. N. Song, "Investigation of Impurity Levels in Hg1-xCdxTe Using Resonant Impact Ionization Spectroscopy," presented at the Fall Meeting of the Texas Section of the American Physical Society, Denton, Texas, November 1, 1991.
 
  45. C. L. Littler, "Novel Electrical and Optical Characterization of III-V and II-VI Semiconductor Materials Used in Infrared Detection," invited talk presented at the Fall Meeting of the Texas Section of the American Physical Society, Denton, Texas, November 1, 1991.
 
  46. Z. Yu, X. N. Song, C. L. Littler, J. M. Perez, J. M. Kowalski, and G. Albert, "Self-Induced Current Oscillations and Chaos in n-InSb in a Magnetic Field," presented at the Fall Meeting of the Texas Section of the American Physical Society, Denton, Texas, November 1, 1991.
 
  47. J. M. Perez, Z. Yu, J. M. Kowalski, and C. L. Littler, "Synchronization of Chaos in Coupled Tunnel Diode Oscillators," presented at the Fall Meeting of the Texas Section of the American Physical Society, Denton, Texas, November 1, 1991.
 
  48. X. N. Song, Z. Yu, E. Maldonado, C. L. Littler, J. L. Elkind, D. G. Seiler, and J. R. Lowney, "Investigation of Mercury Interstitials in Hg1-xCdxTe using Resonant Impact Ionization Spectroscopy," presented at the Spring Meeting of the Texas Section of the American Physical Society, San Marcos, Texas, March 6th, 1992.
 
  49. Z. Yu, J. M. Perez, J. M. Kowalski, C. L. Littler, and G. Albert, "Synchronization of Chaos in Coupled Tunnel Diode Oscillators," presented at the Spring Meeting of the Texas Section of the American Physical Society, San Marcos, Texas, March 7th, 1992.
 
  50. C. L. Littler, E. Maldonado, X. N. Song, J. L. Elkind, D. G. Seiler, and J. R. Lowney, "Investigation of Mercury Interstitials in Hg1-xCdxTe using Resonant Impact Ionization Spectroscopy," Bull. Am. Phys. Soc. 37 , 498 (1992).
 
  51. D. G. Seiler, J. R. Lowney, C. L. Littler, and X. N. Song, "Characterization of Hg1-xCdxTe Detectors with the Shubnikov-de Haas Effect," Bull. Am. Phys. Soc. 37 , 580 (1992).
 
  52. A. J. Syllaios, J. E. Fulp, A. P. Hunt, H. F. Schaake, C. L. Littler, C. R. Christensen, J. A. Grisham, and F. W. Clarke, "Magneto-Optical Analysis of Hg1-xCdxTe and Other Semiconductors," presented at the IRIS Meeting of the Specialty Group on Infrared Materials, Boulder, Colorado, August 10, 1992.
 
  53. A. J. Syllaios, C. L. Littler, V. C. Lopes, X. N. Song, C. R. Christensen, J. A. Grisham, and F. W. Clarke, "Faraday Rotation Analysis of Hg1-xCdxTe," presented at the 1992 U. S. Workshop on the Physics and Chemistry of Hg1-xCdxTe, Boston, Massachusetts, October 5-8, 1992.
 
  54 J. R. Lowney, D. G. Seiler, W. R. Thurber, C. L. Littler, Z. Yu, and X. N. Song, "Heavily Accumulated Surfaces of Hg1-xCdxTe Detectors: Theory and Experiment," presented at the 1992 U. S. Workshop on the Physics and Chemistry of Hg1-xCdxTe, Boston, Massachusetts, October 5-8, 1992.
 
  55. J. Steinshnider, Z. Yu, J. M. Perez, J. M. Kowalski, and C. L. Littler, "Modelling of Chaos and Control of Chaos in the Diode Resonator System," presented at the Fall Meeting of the Texas Section of the American Physical Society, November 7-8, 1992. Won Best Undergraduate Paper Award
 
  56. Z. Yu, J. Steinshnider, J. M. Perez, J. M. Kowalski, and C. L. Littler, "Experimental Control of Chaos in n-Coupled Diode Resonator Systems," presented at the Fall Meeting of the Texas Section of the American Physical Society, November 7-8, 1992.
 
  57. Z. Yu, C. L. Littler, and J. L. Elkind, "Characterization of Deep Levels in HgCdTe by using Resonant Impact Ionization Spectroscopy," presented at the March Meeting of the American Physical Society, Seattle, Washington, March 1993.
 
  58. C. L. Littler, "Characterization of Impurities and Defects in InSb and HgCdTe using Novel Magneto-Optical Techniques," Invited Talk presented at the SPIE International Symposium on Optics, Imaging, and Instrumentation, San Diego, California, July 1993.
 
  59. A. J. Syllaios, V. C. Lopes, L. A. Taylor, M. Woolsey, C. L. Littler, G. J. Brostow, C. R. Christensen, J. A. Grisham, and F. W. Clarke, "Progress on Magneto-Optical Characterization of LWIR HgCdTe," presented at the 1993 IRIS Meeting of the Specialty Group on Infrared Materials, Boston, Massachusetts, August 1993.
 
  60. Z. Yu, C. L. Littler, and J. L. Elkind, "Characterization of Deep Levels in HgCdTe by using Resonant Impact Ionization Spectroscopy," presented at the Fall Meeting of the Texas Section of the American Physical Society, College Station, October 1993.
 
  61. J. Prasad, E. M. Rabinovich, J. M. Perez, C. L. Littler, J. M. Kowalski, and B. J. West, "Multistability and Chaos in a CO2 Laser with Externally Modulated Optical Feedback," poster presentation at the 2nd Experimental Chaos Conference, Arlington, Virginia, October, 1993.
 
  62. "Nondestructive Characterization of HgCdTe Layers with p-n Structures by Magneto-Thermoelectric Measurements," presented at the 1994 U. S. Workshop on the Physics and Chemistry of HgCdTe and Related Materials, October , 1994.
 
  63. "Bending of N-isopropylacrylamide Gel under the influence of infrared light," 1994 Fall Meeting of the Texas Section of the American Physical Society, Austin, TX, 14-15 October, 1994.
 
  64. "The Volume Phase Transition in Gels under the Influence of Infrared Light," 1994 Spring Meeting of the Texas Section of the American Physical Society, Austin, TX, 14-15 October, 1994.
 
  65. "Fiber-Optic Remote Sensor of Vibrations based upon a Rf Laser Autogenerator," 10th Interdisciplinary Laser Science Conference, Dallas, TX, October 2-7, 1994.
 
  66. "Infrared Light-Induced Volume Phase Transition in N-isopropylacrylamide Gel," Second International Conference on Intelligent Materials, Williamsburg, Virginia June 5-8, 1994.
 
  67. "Magneto-Optical Screening of HgCdTe Thin Films in Production," presented at the Defense Manufacturing Conference 1994, Phoenix, Arizona, November 28th--December 1, 1994.
 
  68. "Magneto-Optical Mapping of LPE HgCdTe Thin Films," presented at the IRIS Detectors and Materials Specialty Meeting, August 1994.
 
  69. C. L. Littler, "Characterization of Impurities and Defects in InSb and Hg1-xCdxTe using Novel Magneto-Optical Techniques," presented at the International Symposium on Infrared Materials of SPIE, April, 1994.
 
  70. "Remote Vibration Sensing Using a Radio-Frequency Autooscillatory Opto-Electronic Circuit with a Fiber-Optical Delay Line," SPIE, San Diego, California, July, 1995.
 
  71. "Investigation of Magnetophonon Oscillations in the Transverse and Longitudinal Magnetothermal EMF of LPE HgCdTe," 1995 U. S. Workshop on the Physics and Chemistry of HgCdTe and Related Materials, Baltimore, Maryland, October 1995.
 
  72. "Investigation of Magnetophonon Oscillations in the Transverse and Longitudinal Magnetothermal EMF of InSb and LPE HgCdTe," 1995 U. S. Workshop on the Physics and Chemistry of HgCdTe and Related Materials, Baltimore, Maryland, October 1995.
 
  73. "Molecular Beam Epitaxy Growth of Al1-xInxAs1-ySby Epilayers on GaSb 100 Substrates," D. Washington, T. Hogan, P.Chow, T. D. Golding, C. L. Littler and U. Kirschbaum, Poster Presentation, MRS Spring Meeting, San Francisco, CA, March 1997.
 
  74. "Kinetic Confinement Of Charge Carriers in AlxIn1-xAs1-y Sby/GaSb Effective Mass Superlattices Grown by MBE", D. Washington, T. Hogan, P.Chow, T. D. Golding, C. L. Littler and U. Kirschbaum , APS March Meeting, Los Angeles, CA, March, 1998.
 
  75. "Electrical and magnetotransport in AlxIn1-xAsySb1-y/GaSb multilayers," R. Lukic-Zrnic, D. W. Stokes, C. L Littler and T. D. Golding, March American Physical Society Meeting, Seattle, Washington, March 2001.
 
  76. "Temperature dependence of the band gap of GaAsSb epilayers," R. Lukic-Zrnic, B. P. Gorman, R. J. Cottier, T. D. Golding, C. L. Littler and A. G. Norman, March American Physical Society Meeting, Indianapolis, Indiana, March 2002.
 
  77. "Raman and magneto transport studies of MBE grown β-FeSi2, β-(Fe1-xCrx)Si2, and β-(Fe1-xCox)Si2," A. Srujana, A. Wadhawan, K. Srikala, B.P. Gorman, R.J. Cottier, Wei Zhao, C.L. Littler, J.M. Perez, and T.D. Golding, A.G. Birdwell W. Henrion, M. Rebien, and P. Stauss, and R. Glosser, Fall Meeting of the Materials Research Society , December 2002.
 
  78. "Magnetoconductivity Tensor Analysis of Anomolous Transport Effects in Neutron Irradiated HgCdTe Epilayers," Wei Zhao, R. Lukic-Zrnic, B. P. Gorman, R. L., Cottier, T. D. Golding, C. L. Littler, J. H. Dinan, L. A. Almeida, J. A. Dura, R. M. Linstrom, H. F. Schaake, and P. Liao, presented at the Narrow Gap Semiconductor Conference, Buffalo, NY, June 2003.
 
  79. "Silicon Based Materials for Electro-Optical Applications," R.J. Cottier, B.P. Gorman, O.W. Holland, A. Neogi, C.L. Littler, and T.D. Golding, Metroplex Research Consortium for Electronic Devices and Materials, Spring Research Festival, 2003.
 
  80. "Effects of Substrate Orientation on the Spontaneous Ordering of GaAsSb Epilayers Grownby Molecular Beam Epitaxy" "Materials Research Society Symposium Proceedings, Self-Organized Processes in Semiconductor Heteroepitaxy," B. P. Gorman, A. G. Norman, R. Lukic-Zrnic, T. D. Golding and C. L. Littler, Fall Meeting of the Materials Research Society, Boston, MA, Dec. 1-5, 2003.
 
  81. "Investigation of Critical Point Transitions in Ge1-xSnx Alloys using Photoreflectance and Spectroscopic Ellipsometry," Candi S. Cook, Pavan Aella, John Tolle, John Kouvetakis, Jose Menendez,C. L. Littler A. G. Birdwell, Stefan Zollner, presented at the 27th International Conference on the Physics of Semiconductors, Flagstaff, AZ, July, 24-30 2004.
 
  82. "Optical Investigations of Semiconducting FeSi2 using Photoreflectance Spectroscopy," A. G. Birdwell, C. L. Littler, R. Glosser, M. Rebien, W. Henrion, P. Stauss, presented at the 27th International Conference on the Physics of Semiconductors, Flagstaff, AZ, July, 24th-30th, 2004.
 
  83. "Temperature, Thickness, and Interfacial Composition Effects on the Absorption Properties of (Hg,Cd)Te Epilayers Grown by Liquid Phase Epitaxy on CdZnTe," C. L. Littler, B. P. Gorman, D. F. Weirauch, P. K. Liao and H. F. Schaake, presented at the 2004 US Workshop on the Physics and Chemistry II-VI Materials, Chicago, IL October 5-7, 2004).
 
  84. "Diffusion studies of Se in Hg 0.78 Cd 0.22 Te Grown by LPE," W. Zhao, T. D. Golding, and C. L. Littler, University of North Texas, J. A. Dura and R. M. Lindstrom, National Institute of Standards and Technology, J. H. Dinan, U.S. Army RDECOM CERDEC NVESD, presented at the 2006 US Workshop on the Physics and Chemistry II-VI Materials, Newport Beach, CA October 10-12, 2006).
 
Contributed Talks at International Meetings:
  1. R. Kaplan, R. J. Wagner, D. G. Seiler, C. L. Littler, M. H. Weiler, and W. Zawadzki, "High Resolution Magneto-Optical Studies of Free and Bound Hole Excitations in InSb," presented at the 4th International Conference on the Physics of Narrow Gap Semiconductors, Linz, Austria, September 1981.
 
  2. D. G. Seiler, C. L. Littler, and D. Heiman, "Two-Photon Spectroscopy of GaAs," presented at the XIIIth International Quantum Electronics Conference, Anaheim, California, June 1984.
 
  3. D. G. Seiler, C. L. Littler, and M. R. Loloee, "CO2 Laser Spectroscopy of Shallow Tellurium Levels in n-InSb Using Photo-Hall Techniques," presented at the International Conference on the Spectroscopy of Shallow Centers in Semiconductors, Berkeley, California, August 1984.
 
  4. D. G. Seiler, C. L. Littler, and R. J. Justice, "Nonlinear Oscillations, Bifurcation, and Chaos in n-InSb," presented at the 17th International Conference on the Physics of Semiconductors, San Francisco, California, August 1984.
 
  5. D. G. Seiler, S. A. Milazzo, A. J. Durkin, M. R. Loloee, and C. L. Littler, "Simultaneous Measurement of the Energy Gap and Conduction Band Effective Mass in n-InSb," presented at the 19th International Conference on the Physics of Semiconductors, Warsaw, Poland, August 1988.
 
  6. C. L. Littler, I. T. Yoon, X. N. Song, W. Zawadzki, P. Pfeffer, and D. G. Seiler, "Orbital and Spin Anisotropy of Conduction Electrons in InSb," presented at the International Conference on the Application of High Magnetic Fields in Semiconductor Physics, Würzburg, West Germany, July 1990.
 
  7.

C. L.Littler, M. R. Loloee, W. Zawadzki, and D. G. Seiler, "Two- Phonon Assisted Magneto-Optical Transitions in Hg1-xCdxTe," presented at the International Conference on the Application of High Magnetic Fields in Semiconductor Physics, Würzburg, West Germany, July 1990.
 
  8. C. L. Littler, I. T. Yoon, X. N. Song, W. Zawadzki, P. Pfeffer, and D. G. Seiler, "Orbital and Spin Anisotropy of Conduction Electrons in InSb," presented at the 20th International Conference on the Physics of Semiconductors, Thessaloniki, Greece, August 1990.
 
  9.

C. L. Littler, M. R. Loloee, W. Zawadzki, and D. G. Seiler, "Bound- Hole Excitations in p-Hg1-xCdxTe," presented at the 20th International Conference on the Physics of Semiconductors, Thessaloniki, Greece, August 1990.
 
  10.

C. L. Littler, X. N. Song. Z. Yu, J. L. Elkind, D. G. Seiler, and J. R. Lowney, "Investigation of Trap Levels in Hg1-xCdxTe using Resonant Impact Ionization Spectroscopy," presented at the 8th International Conference on Narrow Gap Semiconductors and Related Materials, Southampton, England, July 1992.
 
  11.

"Characterization of Impurities and Defects in InSb and HgCdTe using Novel Magneto-Optical Techniques," presented at the 24th IR Kolloquium, Fraunhofer Institute for Applied Solid State Physics, Freiburg, Germany, 4-5 May, 1994.
 
  12. "Magnetophonon Oscillations in the Longitudinal Magentothermal EMF of Narrow Gap HgCdTe," 8th International Conference on Narrow Gap Semiconductors and Related Materials, Santa Fe, New Mexico, January 9-15, 1995.
 
  13.

"Magnetophonon-Resonanzen im transversalen und logitudinalen Magnetowiederstand von n-HgCdTe als Qualitatsmerkmal," 1996 IR Kolloquium, Fraunhofer-Institut fur Angewandte Festkorperphysik, 2 und 3 Mai, 1996.
 
  14.

"Molecular Beam Exptaxial Growth Al1-xInxAs1-ySby Heterojunctions and Heterojunctions: A Candidate for Modulated Effective Mass Systems," D. Washington, T. Hogan, P.Chow, T. D. Golding, C. L. Littler and U. Kirschbaum, presented at the 9th MBE Conference, Oxford England, March 1997.
 
  15.

"Temperature dependence of the band gap of GaAsSb epilayers," C. L. Littler, R. Lukic-Zrnic, B. P. Gorman, R. J. Cottier, T. D. Golding, and A. G. Norman, International Conference on the Physics of Semiconductors, Edinburgh, Scotland, August 2002.
 
  16.

"Recent Photoreflectance Results on MBE- and IBS- grown FeSi2 Thin Films," C. L. Littler, A. G. Birdwell, A. Davydov, R. Glosser, F. H. Pollak, L. Malikova, K. P. Homewood, G. Behr, presented at the International Workshop on Modulation Spectroscopy of Semiconductor Structures 1 - 3 July 2004, Wroclaw, Poland.
 
  17.

"Unraveling the electronic structure of semiconducting beta-FeSi2 in the vicinity of the band gap using photoreflectance spectroscopy," R. Glosser, A. G. Birdwell, C. L. Littler, A. Davydov, F. H. Pollak, L. Malikova, W. Henrion, M. Rebien, T. Schaffner, S. Collins, P. Stauss, K. P. Homewood, G. Behr, presented at the International Workshop on Modulation Spectroscopy of Semiconductor Structures 1 - 3 July 2004, Wroclaw, Poland
 
  18.

"Investigation of Critical Point Transitions in Ge1-xSnx Alloys using Photoreflectance and Spectroscopic Ellipsometry," Candi S. Cook, Pavan Aella, John Tolle, John Kouvetakis, Jose Menendez,C. L. Littler A. G. Birdwell, Stefan Zollner, presented at the 27th International Conference on the Physics of Semiconductors, Flagstaff, AZ, July, 24th-30th 2004.
 
  19.

"Optical Investigations of Semiconducting FeSi2 using Photoreflectance Spectroscopy," A. G. Birdwell, C. L. Littler, R. Glosser, M. Rebien, W. Henrion, P. Stauss, presented at the 27th International Conference on the Physics of Semiconductors, Flagstaff, AZ, July, 24-30, 2004.
 
Invited Talks at National and International Meetings:
  1. D. G. Seiler and C. L. Littler, "Nonlinear Spectroscopy of Narrow Gap Semiconductors in High Magnetic Fields," presented at the International Conference on High Magnetic Fields in Semiconductor Physics, Wurzburg, Germany, August 1986.
 
  2. "Instrumentation and Techniques for Two-Photon Spectroscopy of Semiconductors," D. G. Seiler and C. L. Littler, presented at the March APS Meeting, New York, 1987, Bull. Amer. Phys. Soc. 32 , 498 (1987).
 
  3. D. G. Seiler and C. L. Littler, "Two-Photon Spectroscopy of InSb-Type Semiconductors," presented at the XVI International School on the Physics of Semiconducting Compounds, Ustron-Jaszowiec, Poland, April 6-12, 1987.
 
  4. C. L. Littler, W. Zawadzki, X. N. Song, and D. G. Seiler, "Phonon- Assisted Magneto-Donor Optical Transitions in n-InSb", presented at the International Winter School on Solid State Sciences, Materndorf, Austria, February, 1990.
 
 

For more Information:

You may e-mail Dr. Littler at clittler@unt.edu

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Department of Physics
1155 Union Circle, #311427
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Last Updated 29-Jul-2009