Publications by Keith Lykke

Shaw, P.-S., Lykke, K.R., Gupta, R., O'Brian, T.R., Arp, U., White, H.H., Lucatorto, T.B., Dehmer, J.L., and Parr, A.C.,

"New UV radiometry beamline at the Synchrotron Ultraviolet Radiation Facility at NIST," Metrologia 35, 301-306 (1998).

Lykke, K.R., Shaw, P.-S., Hanssen, L.M., and Eppeldauer, G.P.,

"Development of a monochromatic uniform source facility for calibration of radiance and irradiance detectors from 0.2 µm to 12 µm," Metrologia 35, 479-484 (1998).

Trevor, J.L., Lykke, K.R., Pellin, M.J., and Hanley, L.,

"Two laser mass spectrometry of thiolate, disulfide, and sulfide self-assembled monolayers," Langmuir 14, 1664-1673 (1998).

Wiens, R.C., Burnett, D.S., Calaway, W.F., Hansen, C.S., Lykke, K.R., and Pellin, M.J.,

"Sputtering products of sodium sulfate: Implications for Io's surface and for sodium-bearing molecules in the Io torus," Icarus 128, 386-397 (1997).

Savina, M.R. and Lykke, K.R.,

"Chemical imaging of surfaces with laser desorption mass spectrometry," Trends Anal. Chem. 16, 242-252 (1997).

Trevor, J.L., Hanley, L., and Lykke, K.R.,

"Laser desorption/vacuum ultraviolet photoionization of alkanethiolate self-assembled monolayers," Rapid Communications in Mass Spectrometry 11, 587-589 (1997).

Savina, M.R. and Lykke, K.R.,

"Microscopic chemical imaging with laser desorption mass spectrometry," Anal. Chem. 69, 3741-3746 (1997).

Trevor, J.L., Mencer, D.E., Lykke, K.R., Pellin, M.J., and Hanley, L.,

"Surface mass spectrometry of biotinylated self-assembled monolayers," Anal. Chem. 69, 4331 (1997).

Behm, J.M., Hemminger, J.C., and Lykke, K.R.,

"Microscopic Laser Desorption/Postionization Fourier Transform Mass Spectrometry," Analytical Chem. 68(5), 713 (1996).

Behm, J.M., Lykke, K.R., Pellin, M.J., and Hemminger, J.C.,

"Projection Photolithography Utilizing a Schwarzchild Microscope and Self-Assembled Alkanethiol Monolayers as Simple Photoresists," Langmuir 12(8), 2121 (1996).

Kini, A.M., Carlson, K.D., Wang, H.H., Shlueter, J.A., Dudek, J.D., Sirchio, S.A., Geiser, U., Lykke, K.R., and Williams, J.M.,

"Determination of a mass isotope effect on T_c in an electron-donor-based organic superconductor, K-(ET)₂ Cu(NCS)2, where ET represents bis(ethylenedithio)tetrathiafulvalene," Physica C 264, 81 (1996).

Laskin, J., Behm, J.M., Lykke, K.R., and Lifshitz, C.,

"Time-resolved appearance energies for fragment ions from C₆₀," Chem. Phys. Lett. 252, 277 (1996).

Nicolussi, G.K., Pellin, M.J., Lykke, K.R., Trevor, J.L., Mencer, D.E., and Davis, A.M.,

"Surface Analysis by SNMS: Femtosecond Laser Postionization of Sputtered and Laser Desorbed Atoms," Surface and Interface Analysis 24, 363 (1996).

Spence, D., McMichael, G., Lykke, K.R., Schneider, J.D., Sherman, J., Stevens, R., and Hodgkins, D.,

"Production of high-brightness continuous wave proton beams with very high proton fractions," Rev. Sci. Instrum. 67(4), 1642 (1996).

Kini, A.M., Geiser, U., Wang, H.H., Lykke, K.R., Williams, J.M., and Campana, C.F.,

"Alternative Synthesis of (Z),(Z)-4,5;4',5'-Bis(1,4-dioxanediyl-2,3-dithio)tetrathiafulvalene (cis,cis-BDDT-TTF), and the Preparation, (cis,cis-BDDT-TTF)sub2Isub3," J. Mater. Chem. 5(10), 1647 (1995).

Lykke, K.R.,

"Comment on Direct Observation of Transition from Delayed Ionization to Direct Ionization for Free C₆₀ and C₇₀: Thermionic Emission?," Phys. Rev. Lett. 75 (6), 1234 (1995).

Lykke, K.R.,

"Fragmentation of C₆₀: Experimental detection of C, C₂, C₃, and C₄ by xuv postionization," Phys. Rev. A 52 (2), 1354 (1995).

Lykke, K.R.,

"XUV Postionization of Fragments of Photodissociated C₆₀," Proc. Symp. on The Fullerenes (1995).

Ma, Z., Thompson, R.N., Lykke, K.R., Pellin, M.J., and Davis, A.M.,

"New instrument for microbeam analysis incorporating submicron imaging and resonance ionization mass spectrometry," Rev. Sci. Instrum. 66 (5), 3168 (1995).

Lykke, K.R., Parker, D.H., and Wurz, P.,

"Synthesis, separation, characterization, fragmentation, and aggregation of giant fullerenes," Intl. J. Mass Spect. Ion Processes 138, 149 (1994).

Wurz, P. and Lykke, K.R.,

"Kinetics of multiphoton excitation and fragmentation of C₆₀," Chem. Phys. 184, 335 (1994).

Carlson, K.D., Kini, A.M., Schlueter, J.A., Geiser, U., Williams, J.M., Dudek, J.D., Caleca, M.A., Lykke, K.R., Wang, H.H., Ferraro, J.R., and Stout, P.,

"In search of an isotope effect on T_c in K-(ET)₂ X superconductors with ³⁴S isotope substitution in the eight sulfur atoms of bis (ethylenedithio) tetrathiafulvalene (ET)," Physica C 215, 195 (1993).

Geiser, U., Williams, J.M., Carlson, K.D., Kini, A.M., Wang, H.H., Klemm, R.A., Ferraro, J.R., Kumar, S.K., Lykke, K.R., Wurz, P., Parker, D.H., Fleshler, S., and Dudek, D.L.,

"Isotope Effect in ¹³C-Substituted (Central C=C) K-Phase Organic Superconductors," Synthetic Metals 55, 2314 (1993).

Kini, A.M., Dudek, J.D., Carlson, K.D., Geiser, U., Klemm, R.A., Williams, J.M., Lykke, K.R., Schlueter, J.A., Wang, H.H., Wurz, P., Ferraro, J.R., Yaconi, G.A., and Stout, P.,

"Do the intramolecular C=C stretching vibrational modes in ET mediate electron-pairing in K-(ET)₂ X superconductors?," Physica C 204, 399 (1993).

Lykke, K.R., Wurz, P., Parker, D.H., and Pellin, M.J.,

"Molecular analysis by ionization of laser-desorbed neutral species," Appl. Opt. 32 (6), 857 (1993).

Schlueter, J.A., Seaman, J.M., Taha, S., Cohen, H., Lykke, K.R., Wang, H.H., and Williams, J.M.,

"Synthesis, Purification, and Characterization of the 1: 1 Addition product of C₆₀ and Anthracene," J. Chem. Soc. Chem. Communications (11), (1993).

Wurz, P. and Lykke, K.R.,

"Photodetachment from laser-desorbed C₂^-," Chem. Phys. 176, 185 (1993).

Carlson, K.D., Kini, A.M., Klemm, R.A., Wang, H.H., Williams, J.M., Geiser, U., Kumar, S.K., Ferraro, J.R., Lykke, K.R., Wurz, P., Fleshler, S., Dudek, J.D., and Eastman, N.L .,

"¹³C= ¹³C Isotope Effect for Tsubc and Consequences Regarding the Superconducting Pairing Mechanism in _k-(ET)₂ X Superconductors," Inorg. Chem. 31, 3346 (1992).

Carlson, K.D., Williams, J.M., Geiser, U., Kini, A.M., Wang, H.H., Klemm, R.A., Kumar, S.K., Schlueter, J.A., Ferraro, J.R., Lykke, K.R., Wurz, P., Holmes, D.H., and Sutin, J.B.,

"The Central Bond ¹³C=¹³C Isotope Effect for Superconductivity in High-Tc (beta)^*-(ET)₂ I₃ and Its Implications Regarding the Superconductivity Paring Mechanism," J. Am. Chem. Soc. 114, 1069 (1992).

Chatterjee, K., Parker, D.H., Wurz, P., Lykke, K.R., Gruen, D.M., and Stock, L.M.,

"Fast One-Step Separation and Purification of Buckminsterfullerene, C₆₀, from Carbon Soot," J. Organic Chem. 57, 3253 (1992).

Lykke, K.R. and Wurz, P.,

"Direct Detection of Neutral Products from Photodissociated C₆₀," J. Phys. Chem. 96 (8), 3191 (1992).

Lykke, K.R., Parker, D.H., Wurz, P., Hunt, J.E., Pellin, M.J., Gruen, D.M., Hemminger, J.C., and Lattimer, R.P.,

"Mass Spectrometric Analysis of Rubber Vulcanizates by Laser Desorption/Laser Ionization," >Anal. Chem. 64 (22), 2797 (1992).

Parker, D.H., Chatterjee, K., Wurz, P., Lykke, K.R., Pellin, M.J., Stock, L.M., and Hemminger, J.C.,

"Fullerenes and Giant Fullerenes: Synthesis, Separation, and Mass Spectrometric Characterization," Carbon 30 (8), 1167 (1992).

Pellin, M.J., Lykke, K.R., Wurz, P., and Parker, D.H.,

"Molecular surface analysis by laser ionization of desorbed molecules," Inst. Phys. Conf. (128), (1992).

Soderholm, L., Wurz, P., Lykke, K.R., Parker, D.H., and Lytle, F.W.,

"An EXAFS Study of the Metallofullerene YC₈₂: Is the Yttrium Inside the Cage?," J. Phys. Chem. 96 (18), 7154 (1992).

Wurz, P. and Lykke, K.R.,

"Multiphoton Excitation, Dissociation, and Ionization of C₆₀," J. Phys. Chem. 96 (25), 1012 (1992).

Wurz, P., Lykke, K.R., Pellin, M.J., Gruen, D.M., and Parker, D.H.,

"Characterization of fullerenes by laser-based mass spectrometry," Vacuum 43 (5), 381 (1992).

Hunt, J.E., Lykke, K.R., and Pellin, M.J.,

"Laser Desorption/Photoionization Time-of-Flight Mass Spectrometry of Polymer Additives," Methods Mech. Prod. Ions from Large Mol. 309 (1991).

Lykke, K.R. and Kay, B.D.,

"Two-photon spectroscopy of N₂: Multiphoton ionization, laser-induced fluorescence, and direct absorption via the a state," J. Chem. Phys. 95 (4), 2252 (1991).

Lykke, K.R., Murray, K.K., and Lineberger, W.C.,

"Threshold photodetachment of H^-," Phys. Rev. A 43 (11), 6104 (1991).

Lykke, K.R., Pellin, M.J., Wurz, P., Gruen, D.M., Hunt, J.E., and Wasielewski, M.R.,

"Spectrometric Characterization of Purified C₆₀ and C₇₀," Mat. Res. Symp. Proc. 206, 679 (1991).

Parker, D.H., Wurz, P., Chatterjee, K., Lykke, K.R., Hunt, J.E., Pellin, M.J., Hemminger, J.C., Gruen, D.M., and Stock, L.M.,

"High-Yield Synthesis, Separation, and Mass-Spectrometric Characterization of Fullerenes C₆₀ to C₂₆₆," J. Am. Chem. Soc. 113 (20), 7499 (1991).

Wang, H.H., Kini, A.M., Savall, B.M., Carlson, K.D., Williams, J.M., Lykke, K.R., Wurz, P., Parker, D.H., Pellin, M.J., Gruen, D.M., Welp, U., Kwok, W.K., Fleshler, S., and Crabtree, G.W.,

"First Easily Reproduced Solution-Phase Synthesis and Conformation of Superconductivity in the Fullerene K_xC₆₀ (T_c = 18.0 ± 0.1; K)," Inor. Chem. 30 (14), 2838 (1991).

Wasielewski, M.R., O'Neil, M.P., Lykke, K.R., Pellin, M.J., and Gruen, D.M.,

"Triplet States of Fullerenes C₆₀ and C₇₀: Electron Paramagnetic Resonance Spectra, Photophysics, and Electronic Structures," J. Am. Chem. Soc. 113, 2774 (1991).

Wurz, P. and Lykke, K.R.,

"Delayed electron emission from photoexcited C₆₀," J. Chem. Phys. 95 (9), 7008 (1991).

Wurz, P., Lykke, K.R., Pellin, M.J., and Gruen, D.M.,

"Velocity distributions and photodissociation of neutral C₆₀ and C₇₀ clusters," J. Appl. Phys. 70 (11), 6647 (1991).

Creighton, J.R., Lykke, K.R., Shamamian, V.A., and Kay, B.D.,

"Decomposition of trimethylgallium on the gallium-rich GaAs (100) surface: Implications for atomic layer epitaxy," Appl. Phys. Lett. 57 (3), 279 (1990).

Kay, B.D., Lykke, K.R., and Buss, R.J.,

"Problems with the Mass Spectrometric Determination of Tritium from Cold Fusion," J. Fusion Energy 9 (4), 491 (1990).

Lykke, K.R. and Kay, B.D.,

"Rotationally inelastic gas-surface scattering: HCl from Au(111)," J. Chem. Phys. 92 (4), 2614 (1990).

Lykke, K.R. and Kay, B.D.,

"State-to-State Inelastic and Reactive Molecular Beam Scattering from Surfaces," SPIE 1208, 18 (1990).

Spence, D., Lykke, K.R., and McMichael, G.E.,

"Plasma Modified Production of High-current, High-purity cw H+, D+, and H- Beams from Microwave-driven Sources,"