Relevant bibliographies by topics / Chemisorbed

Academic literature on the topic 'Chemisorbed'

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Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "Chemisorbed"

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Varakin, V. N., and A. P. Simonov. "UV Laser Induced Chemistry of Adsorbed Dimethylcadmium." Laser Chemistry 12, no. 3-4 (January 1, 1992): 181–97. http://dx.doi.org/10.1155/lc.12.181.

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The UV laser chemistry of dimethylcadmium (DMCd) either chemisorbed at 297 K on n-type Si(100) with native oxide or physisorbed at 150 K on a photodeposited cadmium film has been studied by using mass spectrometry of desorbed species. A XeCl laser induced the heterogeneous fragmentation of these chemisorbed molecules as well as the desorption of DMCd, Cd, and CH3. The resonant absorption of a KrCl laser radiation by adsorbed DMCd led to their photolysis and the ejection of DMCd and its fragments in both neutral and ionic forms. The kinetic, laser fluence, and time-of-flight dependences of desorbed species have been measured to elucidate the mechanisms of the dissociative and desorption processes either induced by lasers or occurring spontaneously. The effects of these lasers on chemisorbed DMCd as well as KrCl laser assisted processes in chemisorbed and physisorbed molecules have been compared.
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Bosáček, Vladimír, Stanislav Vratislav, and Mája Dlouhá. "Bridging Methoxy Groups in NaY, NaX and NaLSX Zeolites." Collection of Czechoslovak Chemical Communications 69, no. 8 (2004): 1537–52. http://dx.doi.org/10.1135/cccc20041537.

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Distribution of chemisorbed methyl groups and sodium cations in the structure of NaY, NaX and NaLSX zeolites was estimated by neutron diffraction. Chemisorbed methyl groups were prepared in the structure by reaction of methyl iodide with reactive sodium cations available in SII and SIII positions of faujasites. Methyl cations CH3+, formed in the reaction, react immediately with the lattice oxygen forming surface bonded methyl groups in bridging configuration. 13C NMR signals of chemisorbed surface species and their linear dependence on the intermediate electronegativity of the zeolite lie in the interval from 53 ppm for most basic CsLSX to 58 ppm TMS for stabilized and acid leached sample of H,NaY-St. Changes in the distribution of structural sodium cations in the lattice after chemisorption of methyl cations have been detected. C-O distances in surface methoxy groups in void cavities were longer than in ordinary crystalline organometallic compounds with bridging methoxy groups. The location of chemisorbed methyl groups at the O1 lattice oxygen type was most probable for NaY. Nuclear densities of chemisorbed methyl groups were detected in NaX at O1 and at O4 lattice oxygens. The origin of the split signal at 58 ppm on NaX and NaLSX samples has been discussed.
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CARBONE, MARILENA, and RUGGERO CAMINITI. "ADSORPTION STATES AND SITE CONVERSIONS OF PHENYLACETYLENE ON Si(100)2 × 1 CALCULATED BY DFT." Journal of Theoretical and Computational Chemistry 11, no. 05 (October 2012): 1089–99. http://dx.doi.org/10.1142/s0219633612500721.

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The adsorption on Si(100)2 × 1 of PhenylAcetilene (PA), a bifunctional molecule with a phenyl ring and a triple bond, may occur through each group, selectively, or both functional groups simultaneously. The most favorable adsorption sites upon adsorption were calculated by DFT. Furthermore, several energy barriers were calculated: The ones connecting the physisorbed to the chemisorbed states, as well as the interconversion barriers of different chemisorbed states. The conversion of physisorbed-to-chemisorbed states has barriers of 0.11–0.19 eV. The barriers of sites inter-conversions are all higher (1.11–1.36 eV) and suggest a difficult post-chemisorption surface rearrangement.
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Li, Qingbin, and Allan LL East. "Catalyzed β scission of a carbenium ion — Mechanistic differences from varying catalyst basicity." Canadian Journal of Chemistry 83, no. 8 (August 1, 2005): 1146–57. http://dx.doi.org/10.1139/v05-135.

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The β-scission mechanism of physisorbed and chemisorbed pentenium ions, as catalyzed by AlH2(OH)2– and by AlHCl3– anions, was investigated using density functional theory computations and explicit-contact modelling. A thorough search of intermediates was performed for each catalyst. On the aluminum chloride, β scission of an aliphatic, secondary carbenium ion featured chemisorbed and physisorbed ion intermediates, while on the aluminum hydroxide, β scission featured chemisorbed ions but physisorbed neutral species. The importance of this work is its demonstration of a qualitatively different mechanism, with qualitatively different intermediates, due only to the different basicity of the two catalysts.Key words: C—C bond fission, β scission, carbenium ion, catalysis, mechanism.
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Böhlin, Johan, Mikael Unge, and Sven Stafström. "TDAE chemisorbed on gold." Journal of Physics: Condensed Matter 20, no. 31 (July 8, 2008): 315008. http://dx.doi.org/10.1088/0953-8984/20/31/315008.

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Richardson, N. V. "Identification of chemisorbed molecules." Catalysis Today 12, no. 4 (February 1992): 401–7. http://dx.doi.org/10.1016/0920-5861(92)80055-r.

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Black, Jana E., Andrew Z. Summers, Christopher R. Iacovella, Peter T. Cummings, and Clare McCabe. "Investigation of the Impact of Cross-Polymerization on the Structural and Frictional Properties of Alkylsilane Monolayers Using Molecular Simulation." Nanomaterials 9, no. 4 (April 19, 2019): 639. http://dx.doi.org/10.3390/nano9040639.

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Cross-linked chemisorbed n-alkylsilane (CH3(CH2)n−1Si(OH)3) monolayers on amorphous silica surfaces have been studied and their structural properties and frictional performance were compared to those of equivalent monolayers without cross-linkages. The simulations isolated for the first time the effects of both siloxane cross-linkages and the fraction of chains chemisorbed to the surface, providing insight into a longstanding fundamental question in the literature regarding molecular-level structure. The results demonstrate that both cross-linkages and the fraction of chemisorbed chains affect monolayer structure in small but measurable ways, particularly for monolayers constructed from short chains; however, these changes do not appear to have a significant impact on frictional performance.
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Blyholder, G., and L. Orji. "Infrared Diffuse Reflectance Spectra of CO, H2, C2H4, and C2H5OH Adsorbed on Alumina Supported Rh." Adsorption Science & Technology 4, no. 1-2 (March 1987): 1–13. http://dx.doi.org/10.1177/0263617487004001-201.

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Infrared spectra of CO, H2, C2H4, and C2H5OH adsorbed on rhodium supported on alumina have been obtained by a diffuse reflectance technique using a Fourier Transfor spectrometer. In the temperature range from 523K to 673K surface water or hydroxyl groups can oxidize metallic Rh particles to give Rh in a positive oxidation state as indicated by the the infrared spectrum of chemisorbed CO. Reduction in H2 at either lower or higher temperatures produces metallic Rh particles that chemisorb CO to produce broad bands for both linear and bridge bonded CO characteristic of metallic Rh particles. Aside from chemisorbed CO, the most conspicuous surface species formed during CO hydrogenation on Rh/A12O3 is a surface acetate. Ethene has two main reactions with Rh/A12O3; one to produce a surface ethylidyne and the other to produce gas phase ethane. The main interactions of ethanol with the Rh/A12O3 are to produce a surface acetate and to decompose to produce gas phase methane. In the presence of CO the ethene reacts with surface oxygen to give a surface acetate. In no case could a surface species be found that could be identified as an intermediate in CO hydrogenation to hydrocarbons. No surface species were found that could be assigned as CO insertion products with ethene or ethanol to give C3 molecules.
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Kokalj, Anton. "Corrosion inhibitors: physisorbed or chemisorbed?" Corrosion Science 196 (March 2022): 109939. http://dx.doi.org/10.1016/j.corsci.2021.109939.

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Frøyen, S., S. Holloway, J. K. Nørskov, and Bulbul Chakraborty. "Quantum motion of chemisorbed hydrogen." Journal of Electron Spectroscopy and Related Phenomena 38 (January 1986): 313–15. http://dx.doi.org/10.1016/0368-2048(86)85103-9.

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Dissertations / Theses on the topic "Chemisorbed"

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Saidy, Madiba. "LEED crystallographic studies for chemisorbed surfaces." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0015/NQ46413.pdf.

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Unsworth, Larry David Brash J. L. "Protein adsorption to chemisorbed polyethylene oxide thin films." *McMaster only, 2005.

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Srepusharawoot, Pornjuk. "Computational Studies of Hydrogen Storage Materials : Physisorbed and Chemisorbed Systems." Doctoral thesis, Uppsala universitet, Materialteori, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-132875.

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This thesis deals with first-principles calculations based on density functional theory to investigate hydrogen storage related properties in various high-surface area materials and the ground state crystal structures in alkaline earth dicarbide systems. High-surface area materials have been shown to be very promising for hydrogen storage applications owing to them containing numerous hydrogen adsorption sites and good kinetics for adsorption/desorption. However, one disadvantage of these materials is their very weak interaction with adsorbed hydrogen molecules. Hence, for any feasible applications, the hydrogen interaction energy of these materials must be enhanced.  In metal organic frameworks, approaches for improving the hydrogen interaction energy are opening the metal oxide cluster and decorating hydrogen attracting metals, e.g. Li, at the adsorption sites of the host.  In covalent organic framework-1, the effects of the H2-H2 interaction are also found to play a significant role for enhancing the hydrogen adsorption energy. Moreover, ab initio molecular dynamics simulations reveal that hydrogen molecules can be trapped in the host material due to the blockage from adjacent adsorbed hydrogen molecules. In light metal hydride systems, hydrogen ions play two different roles, namely they can behave as "promoter" and "inhibitor" of Li diffusion in lithium imide and lithium amide, respectively.  By studying thermodynamics of Li+ and proton diffusions in the mixture between lithium amide and lithium hydride, it was found that Li+ and proton diffusions inside lithium amide are more favorable than those between lithium amide and lithium hydride. Finally, our results show that the ground state configuration of BeC2 and MgC2 consists of five-membered carbon rings connected through a carbon atom forming an infinitely repeated chain surrounded by Be/Mg ions, whereas the stable crystal structure of the CaC2, SrC2 and BaC2 is the chain type structure, commonly found in the alkaline earth dicarbide systems.
Felaktigt tryckt som Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 712
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Lei, Jipu. "Cu Electrodeposition on Ru with a Chemisorbed Iodine Surface Layer." Thesis, University of North Texas, 2005. https://digital.library.unt.edu/ark:/67531/metadc5577/.

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An iodine surface layer has been prepared on Ru(poly) and Ru(0001) electrodes by exposure to iodine vapor in UHV and polarizing in a 0.1 M HClO4/0.005 M KI solution, respectively. A saturation coverage of I on a Ru(poly) electrode passivates the Ru surface against significant hydroxide, chemisorbed oxygen or oxide formation during exposure to water vapor over an electrochemical cell in a UHV-electrochemistry transfer system. Immersion of I-Ru(poly) results in greater hydroxide and chemisorbed oxygen formation than water vapor exposure, but an inhibition of surface oxide formation relative that of the unmodified Ru(poly) surface is still observed. Studies with combined electrochemical and XPS techniques show that the iodine surface adlayer remained on top of the surface after cycles of overpotential electrodeposition/dissolution of copper on both Ru(poly) and Ru(0001) electrodes. These results indicate the potential bifunctionality of iodine layer to both passivate the Ru surface in the microelectronic processing and to act as a surfactant for copper electrodeposition. The electrodeposition of Cu on Ru(0001) or polycrystalline Ru was studied using XPS with combined ultrahigh vacuum/electrochemistry methodology (UHV-EC) in 0.1 M HClO4 with Cu(ClO4)2 concentrations ranging from 0.005 M to 0.0005 M, and on polycrystalline Ru in a 0.05M H2SO4/0.005 M CuSO4/0.001 M NaCl solution. The electrochemical data show well-defined cyclic voltammograms (CV) with a Cu underpotential deposition (UPD) peak and overpotential deposition (OPD) peak. XPS spectra of Ru electrodes emersed from perchloric acid solution at cathodic potentials indicate that ClO4- anions dissociate to yield specifically adsorbed Cl and ClOx species. Subsequent Cu deposition results in the formation of a thin, insoluble Cu(II) film with Cu(I) underneath. In contrast, similar deposition on polycrystalline Ru in the sulfuric acid/Cu sulfate solution with NaCl added yields only Cu(0), indicating that the formation of Cu(II) and Cu(I) involves both Cl and perchlorate interactions with the deposited Cu. A pre-adsorbed layer of iodine on the Ru(0001) surface inhibits perchlorate dissociation in iodide-free electrolyte and leads to the deposition of Cu(0) in the perchlorate bath. XPS depth profile analysis demonstrates that the iodine monolayer "floats" on top of the deposited film, in agreement with previous results, effectively protecting the Cu film from air oxidation.
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Browne, V. M. "Experimental and theoretical infra-red studies of chemisorbed molecules and their interactions." Thesis, Bucks New University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384768.

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Sanabria-Chinchilla, Jean. "Electrochemical hydrogenation of aromatic compounds chemisorbed at polycrystalline and single-crystal Pd surfaces." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1750.

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Alcantara, Ortigoza Marisol. "Theoretical studies of electronic, vibrational, and magnetic properties of chemisorbed surfaces and nanoalloys." Diss., Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/496.

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Wu, Yuk Kuen. "LEED crystallographic studies of sulfur chemisorbed on the (111) surfaces of nickel and rhodium." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27751.

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The work in this thesis includes investigations of adsorbate-induced metal relaxations with low-energy electron diffraction (LEED) for the surface structures designated Ni(111)-(2x2)-S and Rh(111)-(√3x√3)30'-S; a set of LEED intensity-versus-energy (I(E)) curves have also been measured for normal incidence on the Ni(111)-(2x2)-O surface. In the investigations of adsorbate-induced metal relaxations, 1(E) curves measured for a set of diffracted beams were compared with the corresponding curves calculated by multiple scattering methods for various structural models. The objective is to find the structure that gives the best correspondence between experiment and calculation. Levels of correspondence between experimental and calculated I(E) curves were assessed with the reliability indices proposed by Zanazzi-Jona and Pendry as well as with visual comparison. In the LEED intensity analysis for the Ni(111)-(2x2)-S surface structure, the S-Ni interlayer spacing (d₀₁), the lateral displacement (Δ) of the first nickel layer and vertical relaxations of the first two Ni-Ni interlayer spacings (d₁₂, d₂₃) were investigated. The best geometrical parameters were determined to be d₀₁=1.50 Å, Δ =+0.02 Å (1.4% expansion), d₁₂=2.09 Å (2.8% expansion) and d₂₃=2.08 Å (2.3% expansion) with the S atoms adsorbed on the "expected" 3f sites of the Ni(111) surface. The present study leads to a nearest-neighbour S-Ni bond distance of 2.10 Å, which is a little shorter than those obtained by low energy ion scattering (2.16 Å) and the surface extended X-ray adsorption fine structure technique (2.20 Å) but agrees rather well with the value 2.12 Å predicted by a bond length-bond order analysis. In the investigation of adsorbate-induced metal relaxations for the Rh(111)-(√3x√3)30°-S surface, theoretical I(E) curves were calculated for a range of models involving either unreconstructed or reconstructed rhodium structure at the surface. These calculations were done over appropriate ranges of the S-Rh interlayer spacing (d₀₁), the lateral displacement (Δ) for the first Rh layer, and the first Rh-Rh interlayer spacing (d₁₂). The best level of correspondence between calculation and experiment appears for the 3F1 model with d₀₁=1.57 Å, Δ =M).025 A (1.6 % contraction) and d₁₂=2.18 Å (0.5 % contraction). In this model the nearest-neighbor S-Rh bond distance is found to be 2.19 Å.
Science, Faculty of
Chemistry, Department of
Graduate
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Zolfaghari-Hesari, Alireza. "Thermodynamic states of adsorbed hydrogen at noble-metal electrocatalysts in absence/presence of chemisorbed sulfur." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ35782.pdf.

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Hong, Sampyo. "First-principles study of chemisorbed light gases on transition metal and transition metal oxide surfaces : structure, dynamics and reaction /." Search for this dissertation online, 2005. http://wwwlib.umi.com/cr/ksu/main.

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Books on the topic "Chemisorbed"

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Taylor, Elisabeth. Proton NMR spectroscopy of hydrogen chemisorbed on Europt-1. Norwich: University of East Anglia, 1990.

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Gaudin, Glen Ashley. Electronic structure of copper chemisorbed on low-index tungsten surfaces. 1993.

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United States. National Aeronautics and Space Administration., ed. An investigation of the effect of surface impurities on the adsorption kinetics of hydrogen chemisorbed onto iron. [Washington, DC?: National Aeronautics and Space Administration, 1991.

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Mattson, Philip J. Sputtering of chemisorbed nitrogen from the (100) planes of tungsten and molybdenum: A comparison of computer simulation and experimental results. 1986.

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An investigation of the effect of surface impurities on the adsorption kinetics of hydrogen chemisorbed onto iron: Annual status report. [Washington, DC: National Aeronautics and Space Administration, 1993.

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United States. National Aeronautics and Space Administration., ed. An investigation of the effect of surface impurities on the adsorption kinetics of hydrogen chemisorbed onto iron: Annual status report. [Washington, DC: National Aeronautics and Space Administration, 1993.

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United States. National Aeronautics and Space Administration., ed. An investigation of the effect of surface impurities on the adsorption kinetics of hydrogen chemisorbed onto iron: Final technical report; NASA-Ames cooperative agreement no. NCC2-63; April 1, 1980 to September 30, 1997. [Washington, DC: National Aeronautics and Space Administration, 1997.

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An investigation of the effect of surface impurities on the adsorption kinetics of hydrogen chemisorbed onto iron: Final technical report; NASA-Ames cooperative agreement no. NCC2-63; April 1, 1980 to September 30, 1997. [Washington, DC: National Aeronautics and Space Administration, 1997.

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An investigation of the effect of surface impurities on the adsorption kinetics of hydrogen chemisorbed onto iron: Annual status report, January 1, 1994 to December 31, 1994, NASA-AMES cooperative agreement no. NCC-2-63. [Washington, DC: National Aeronautics and Space Administration, 1994.

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An investigation of the effect of surface impurities on the adsorption kinetics of hydrogen chemisorbed onto irion: Annual status report, January 1, 1994 to December 31, 1994, NASA-AMES cooperative agreement no. NCC-2-63. [Washington, DC: National Aeronautics and Space Administration, 1994.

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Book chapters on the topic "Chemisorbed"

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Sanabia, Jason E., and John H. Moore. "Chemisorbed CF3I on a Silicon Surface." In Gaseous Dielectrics IX, 119–26. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-0583-9_16.

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Stechel, E. B., D. R. Jennison, and A. R. Burns. "Dynamics in Neutral DIET from Chemisorbed Molecules." In Desorption Induced by Electronic Transitions DIET III, 136–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73728-2_19.

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Grunze, M. "Thermodynamics and Kinetics in Weakly Chemisorbed Phases." In Chemistry and Physics of Solid Surfaces VI, 197–235. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82727-3_9.

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Maurice, V., J. Oudar, and M. Huber. "Simulation of Substitution Disorder Within Chemisorbed Monolayers." In Springer Series in Surface Sciences, 570–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73343-7_93.

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Einstein, Theodore L. "Critical Phenomena of Chemisorbed Atoms and Reconstruction — Revisited." In Chemistry and Physics of Solid Surfaces VII, 307–39. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73902-6_11.

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de Freitas, S. R., and C. Pinto de Melo. "Model Calculations of the Indirect Interaction Between Chemisorbed Atoms." In Springer Proceedings in Physics, 217–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-76376-2_30.

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Burns, A. R., E. B. Stechel, and D. R. Jennison. "Quantum-Resolved Stimulated Dissociation and Desorption of Chemisorbed Molecules." In Springer Series in Surface Sciences, 182–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-84145-3_23.

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Jennison, D. R., A. R. Burns, and E. B. Stechel. "Excitation Lifetimes and Excited-State Forces in Chemisorbed Molecules." In Springer Series in Surface Sciences, 41–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-84145-3_5.

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Burns, A. R., E. B. Stechel, and D. R. Jennison. "Rovibrational Laser Spectroscopy of ESD Neutrals from Chemisorbed Species." In Desorption Induced by Electronic Transitions DIET III, 67–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73728-2_8.

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Sugama, Toshifumi. "Adhesion Properties of Polyelectrolyte-Chemisorbed Zinc Phosphate Conversion Coatings." In Adhesives, Sealants, and Coatings for Space and Harsh Environments, 405–30. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1047-1_36.

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Conference papers on the topic "Chemisorbed"

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Cox, D. M., M. R. Zakin, R. O. Brickman, D. J. Trevor, K. C. Reichmann, and A. Kaldor. "Infrared photodissociation spectroscopy of unsupported metal clusters and metal cluster complexes." In International Laser Science Conference. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/ils.1986.fn2.

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The recent development of a general source to produce gas phase metal clusters using laser vaporization combined with mass selective detection techniques has enabled new studies of the fundamental chemical and physical properties of clusters as a function of their size. In our laboratory we have developed and applied a variety of experimental techniques to measure ionization thresholds, magnetic moments, and gas phase reactivities of metal clusters. We now report the first observation of infrared laser-induced dissociation (IR-LID) of metal cluster–adsorbate complexes in a molecular beam. Specifically, using a high-power pulsed CO2 laser as the infrared source, we have measured the IR-LID spectrum for the iron clusters containing chemisorbed methanol as a function of the number of iron atoms for a known number of chemisorbed molecules. For clusters which have chemisorbed only one methanol, strong IR adsorption is observed near 985 and 1075cm−1, adsorptions presently assigned to the C–O stretch of chemisorbed methoxy radical and bridging hydrogen, respectively, i.e., the methanol is dissociatively chemisorbed. Both the feasibility and potential utility of IR-LID for characterizing metal cluster–adsorbate interactions have been demonstrated. The method is generally applicable to any cluster or cluster-adsorbate system dependent only on the availability of appropriate high-power IR laser sources.
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Cox, D. M., M. R. Zakin, R. O. Brickman, D. J. Trevor, K. C. Reichmann, and A. Kaldor. "Infrared photodissociation spectroscopy of unsupported metal clusters and metal cluster complexes." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.fn2.

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The recent development of a general source to produce gas phase metal clusters using laser vaporization combined with mass selective detection techniques has enabled new studies of the fundamental chemical and physical properties of clusters as a function of their size. In our laboratory we have developed and applied a variety of experimental techniques to measure ionization thresholds, magnetic moments, and gas phase reactivities of metal clusters. We now report the first observation of infrared laser-induced dissociation (IR-LID) of metal cluster-adsorbate complexes in a molecular beam. Specifically, using a high-power pulsed CO2 laser as the infrared source, we have measured the IR-LID spectrum for the iron clusters containing chemisorbed methanol as a function of the number of iron atoms for a known number of chemisorbed molecules. For clusters which have chemisorbed only one methanol, strong IR adsorption is observed near 985 and 1075 cm-1, adsorptions presently assigned to the C-O stretch of chemisorbed methoxy radical and bridging hydrogen, respectively, i.e., the methanol is dissociatively chemisorbed. Both the feasibility and potential utility of IR-LID for characterizing metal cluster-adsorbate interactions have been demonstrated. The method is generally applicable to any cluster or cluster-adsorbate system dependent only on the availability of appropriate high-power IR laser sources.
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Liu, Qun, and Ze-sheng Li. "Iodine chemisorbed on Pt(111): A DFT Study." In Advanced Optoelectronics for Energy and Environment. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/aoee.2013.asa3a.03.

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Azuma, Y., N. Kobayashi, M. Kanehara, T. Teranishi, S. Chorley, J. Prance, C. G. Smith, and Y. Majima. "Coulomb Blockade Electron Shuttle with Chemisorbed Au Nanodot." In 2009 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2009. http://dx.doi.org/10.7567/ssdm.2009.f-7-1.

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Jennison, Dwight R., Ellen B. Stechel, Alan R. Burns, and Y. S. Li. "Chemisorbed-molecule potential-energy surfaces and electronically stimulated processes." In OE/LASE '94, edited by Hai-Lung Dai and Steven J. Sibener. SPIE, 1994. http://dx.doi.org/10.1117/12.180847.

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Yodh, Arjun G., Joseph P. Culver, M. Li, L. G. Jahn, and Robin M. Hochstrasser. "Infrared response of chemisorbed CO to femtosecond metal substrate heating." In OE/LASE '94, edited by Hai-Lung Dai and Steven J. Sibener. SPIE, 1994. http://dx.doi.org/10.1117/12.180849.

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Turner, David, Mary A. Testoff, and Bruce P. Gaber. "Direct enzymatic hydrolysis and patterning of a chemisorbed peptide thin film." In BiOS '97, Part of Photonics West, edited by Paul L. Gourley. SPIE, 1997. http://dx.doi.org/10.1117/12.269971.

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Simonov, Alexander P., Vladimir N. Varakin, and Anatoly M. Panesh. "UV laser-induced photofragmentation and photoionization of dimethylcadmium chemisorbed on silicon." In Optics, Electro-Optics, and Laser Applications in Science and Engineering, edited by Marcus F. Lawrence, Arthur J. Frank, S. Ramasesha, and Carl C. Wamser. SPIE, 1991. http://dx.doi.org/10.1117/12.45110.

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Hoffmann, Helmuth, and Francisco Zaera. "FT-RAIRS study of alkyl radicals chemisorbed on single-crystal surfaces." In Luebeck - DL tentative, edited by Herbert M. Heise, Ernst H. Korte, and Heinz W. Siesler. SPIE, 1992. http://dx.doi.org/10.1117/12.56327.

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Dugger, Michael T. "Surface Treatments for Modifying the Tribological Behavior of Microsystems (Keynote)." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63573.

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Abstract:
The surfaces of microelectromechanical systems (MEMS) that have impacting and sliding contacts are frequently modified by coatings to improve the tribological behavior of the structural material. In silicon microsystems, chemisorbed hydrocarbon or fluorocarbon monolayers are commonly used to modify the surface energy of the oxidized silicon to resist water adsorption and adhesion. Thin conformal solid films can also be employed to improve the wear resistance of the structural material. The requirements of coatings for microsystems will be discussed in terms of tribological behavior, processing, operation and aging characteristics. Although contacting surfaces of polycrystalline silicon have arithmetic roughness of less than 50 nm, contact forces below 1 mN prescribe that real contact occurs at only a few asperities. Defects in the coatings, and interfaces that are deeply buried present opportunities for adsorption of reactive species and degradation of the coating over time. An understanding of the mechanical and chemical degradation mechanisms of tribological coatings is of primary importance for the reliable operation of microsystems. At the same time, relating composition and structure of the contacting surfaces to the tribological behavior is quite challenging due to the limited size and number of real contact spots. A variety of surface treatments for silicon microsystems have been investigated, including chemisorbed monolayers, vapor phase lubricants and hard coatings. The tribological behavior of polycrystalline silicon containing chemisorbed monolayers is dramatically influenced by water vapor in the environment during fabrication processes, storage or operation. Surface analytical tools and friction measurements using micromachined tribometers to understand the impact of coating degradation on the tribological behavior of microsystems are illustrated.
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Reports on the topic "Chemisorbed"

1

Madey, T. Structure and reactivity of chemisorbed species and reaction intermediates. Office of Scientific and Technical Information (OSTI), August 1989. http://dx.doi.org/10.2172/5377297.

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Erskine, J. L. High Resolution Electron Energy Loss Studies of Chemisorbed Species on Aluminum and Titanium. Fort Belvoir, VA: Defense Technical Information Center, April 1986. http://dx.doi.org/10.21236/ada172055.

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Madey, T. E., and R. D. Kelley. Structure and reactivity of chemisorbed species and reaction intermediates: Progress report, December 1, 1984--November 30, 1985. Office of Scientific and Technical Information (OSTI), August 1985. http://dx.doi.org/10.2172/5924442.

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Del Cul, G. D., A. S. Icenhour, and D. W. Simmons. Prototype Tests for the Recovery and Conversion of UF6 Chemisorbed in NaF Traps for the Molten Salt Reactor Remediation Project. Office of Scientific and Technical Information (OSTI), April 2000. http://dx.doi.org/10.2172/768805.

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Author, Not Given. Atomic and electronic structure of metals and alloys - clean surfaces and chemisorbed molecules: Progress report, 1 April 1988--31 March 1989. Office of Scientific and Technical Information (OSTI), September 1988. http://dx.doi.org/10.2172/6246273.

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Del Cul, G. D. Prototype Tests for the Recovery and Conversion of UF6Chemisorbed in NaF Traps for the Molten Salt Reactor Remediation Project. Office of Scientific and Technical Information (OSTI), June 2000. http://dx.doi.org/10.2172/885779.

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Hodgson, Alfred T., Hugo Destaillats, Toshifumi Hotchi, and William J. Fisk. Evaluation of a Combined Ultraviolet Photocatalytic Oxidation(UVPCO)/Chemisorbent Air Cleaner for Indoor Air Applications. Office of Scientific and Technical Information (OSTI), February 2007. http://dx.doi.org/10.2172/903045.

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8

[Atomic and electronic structure of metals and alloys: Clean surfaces and chemisorbed molecules]. Office of Scientific and Technical Information (OSTI), December 1993. http://dx.doi.org/10.2172/10191482.

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Atomic and electronic structure of metals and alloys: Clean surfaces and chemisorbed molecules. Office of Scientific and Technical Information (OSTI), November 1991. http://dx.doi.org/10.2172/6025001.

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[Atomic and electronic structure of metals and alloys: Clean surfaces and chemisorbed molecules]. Office of Scientific and Technical Information (OSTI), January 1993. http://dx.doi.org/10.2172/6929798.

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