Craig J. Eckhardt, Professor Emeritus
Chemistry Department
524 Hamilton Hall
University of Nebraska-Lincoln
Lincoln, Nebraska 68588-0304 United States
ceckhardt1@unl.edu

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2006

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Single-crystal, polarized, Raman scattering study of the molecular and lattice vibrations for the energetic material cyclotrimethylene trinitramine, James C. Haycraft, Lewis L. Stevens, and Craig J. Eckhardt

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The elastic constants and related properties of the energetic material cyclotrimethylene trinitramine (RDX) determined by Brillouin scattering, James J. Haycraft, Lewis L. Stevens, and Craig J. Eckhardt

2005

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The elastic constants and related properties of β-HMX determined by Brillouin scattering, Lewis L. Stevens and Craig J. Eckhardt

2002

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A model for mechanochemical transformations: Applications to molecular hardness, instabilities, and shock initiation of reaction, Tadeusz Luty, Piotr Ordon, and Craig J. Eckhardt

2000

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Quantitative measurement of guest–host interactions in supramolecular systems: A comparative Brillouin scattering study of the Dianin’s compound clathrand and two of its isostructural clathrates, C.A. Sandstedt, D. Michalski, and Craig J. Eckhardt

1999

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Langmuir monolayers as disordered solids: Disorder and elastic fluctuations in mesophases , Tadeusz Luty, Craig J. Eckhardt, and Jacques Lefebvre

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Langmuir monolayers as disordered solids: Strain-tilt-backbone coupling and natural order parameters for the swiveling transitions, Tadeusz Luty, David R. Swanson, and Craig J. Eckhardt

1998

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Single crystal Raman spectra of 1,2,4,5-tetrabromobenzene: Calculational and experimental assignment of the internal modes, K.M. White and Craig J. Eckhardt

1997

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Monte Carlo simulation of the solid to superliquid phase transition of Langmuir monolayers. II. Characteristics of phase transition, M.D. Gibson, D.R. Swanson, Craig J. Eckhardt, and Xiao Cheng Zeng

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Langmuir monolayers as disordered solids: Strain-state calculations applied to stearic acid, David R. Swanson, Tadeusz Luty, and Craig J. Eckhardt

1996

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Model calculations of Langmuir monolayers: Pressure effects on tilting behavior of idealized amphiphiles, D.R. Swanson, Robert J. Hardy, and Craig J. Eckhardt

1995

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Reply to ‘‘Comment on ‘Brillouin-scattering study of the elastic constants of phenothiazine through the phase transition’ ’’, J. Sartwell and Craig J. Eckhardt

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Anisotropic anharmonicity of lattice and molecular vibrations of 1,2,4,5 tetrabromobenzene determined by piezomodulated Raman spectroscopy, K.M. White and Craig J. Eckhardt

1993

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Investigation of the β-γ phase transition in single crystal malononitrile by polarized Raman spectroscopy, S.J. Bonafede and Craig J. Eckhardt

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Brillouin-scattering study of the elastic constants of phenothiazine through the phase transition, J. Sartwell and Craig J. Eckhardt

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Piezomodulated-Raman-spectroscopy study of the phase transition in phenothiazine, J. Sartwell and Craig J. Eckhardt

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Monte Carlo simulation of the solid to super liquid phase transition of Langmuir monolayers using cross-section potentials, D.R. Swanson, Robert J. Hardy, and Craig J. Eckhardt

1990

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Statics and dynamics of organic charge-transfer crystals: The orientational phase transition in A-TCNB, Karl-Heinz Brose, Tadeusz Luty, and Craig J. Eckhardt

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Semiempirical determination of molecular motions associated with phonon modes in molecular crystals, K.M. White and Craig J. Eckhardt

1989

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A complete set of elastic constants of crystalline anthracene by Brillouin scattering, R.C. Dye and Craig J. Eckhardt

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Semiempirical determination of intermolecular anharmonicity in molecular crystals: The case of 1,2,4,5-tetrabromobenzene, R.C. Dye and Craig J. Eckhardt

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Light scattering apparatus for angular dependent studies of anisotropic materials, R.C. Dye, J. Sartwell, and Craig J. Eckhardt

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Assignment of the Raman active lattice vibrations in various phases of 1,2,4,5 tetrabromobenzene and 1,2,4,5-tetrachlorobenzene crystals, K.M. White and Craig J. Eckhardt

1988

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Translational-rotational modes in noncentrosymmetric lattices: A lattice-dynamical interpretation of the phenanthrene phase transition, R. Kulver and Craig J. Eckhardt

1987

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Comment on ‘‘Relations between microscopic and macroscopic lowest-order optical nonlinearities of molecular crystals with one- or two-dimensional units’’, K.M. White and Craig J. Eckhardt

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Mode anharmonicity in molecular crystals studied by piezomodulated Raman spectrosocpy , K.M. White and Craig J. Eckhardt

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Optimization of effective nonlinear coefficients for second-harmonic generation in molecular crystals , K.M. White and Craig J. Eckhardt

1986

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Assignment of the lattice modes in TCNQ0 single crystals, K.M. White, K.-H. Brose, and Craig J. Eckhardt

1985

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Piezomodulated Raman spectroscopy of molecular crystals: An experimental method for study of the anharmonic properties of solids, T. Luty and Craig J. Eckhardt

1984

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Modulated piezoreflectivity and the photoelasticity of molecular crystals, T. Luty and Craig J. Eckhardt

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Influence of crystal fields on the quasimetallic reflection spectra of crystals: Optical spectra of polymorphs of a squarylium dye, M. Tristani-Kendra and Craig J. Eckhardt

1981

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Piezomodulation spectroscopy of molecular crystals. III. The first singlet system of anthracene, J. Merski and Craig J. Eckhardt

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Piezomodulation spectroscopy of molecular crystals. II. The pyromellitic dianhydride anthracene electron donor–acceptor complex, J. Merski and Craig J. Eckhardt

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Piezomodulation spectroscopy of molecular crystals. I. Methods and principles, J. Merski and Craig J. Eckhardt

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Piezomodulation spectroscopy of molecular crystals. IV. The first singlet systems of TCNQ and BDP, J. Merski and Craig J. Eckhardt

1979

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Thermal effects on the optical spectra of a polydiacetylene: Poly{1,2-bis [4-(isopropylcarbamoyloxy) -n-butyl]-1-buten-3-ynylene}, H. Eckhardt, Craig J. Eckhardt, and K.C. Yee

1977

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Thermochromism in a polydiacetylene crystal, R.R. Chance, R.H. Baughman, H. Muller, and Craig J. Eckhardt

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Observation of Davydov splitting in PTS polydiacetylene crystal spectra, Hans Muller and Craig J. Eckhardt

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Theory and applications of an atoms in molecules approach to the Xα -SCF method, J. Tylicki, R.J. Hood, Gordon A. Gallup, and C.J. Eckhardt

1976

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Piezomodulated and specular reflection spectra of a polydiacetylene crystal, Craig J. Eckhardt, H. Muller, J. Tylicki, and R.R. Chance

1973

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An External Goniometer for Orientation of a Cryostat, N.C. Lockhart, L.F. Nichols, and Craig J. Eckhardt

1972

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Influence of an External Electric Field on the Charge Transfer State of the TCNE-trans-Stilbene Molecular Complex, Craig J. Eckhardt

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Observation of Excitons in a Molecular Liquid: Specular Reflection Spectrum of α -Methylnaphthalene, Craig J. Eckhardt and Leo F. Nichols