Atomic structure modifications of diamond-like nanocomposite films: Observation by Raman spectroscopy, FTIR and STM

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Raman spectroscopy, FTIR and scanning tunneling microscopy (STM) were used to study diamond-like nanocomposite (DLN) and metal containing DLN (Me-DLN) films. The FTIR spectra showed no appreciable absorption from the C-H stretch vibration band in DLN when 1 kV rf bias voltage was applied. Thermal annealing (450{degrees}C for 2 hrs) of (a) DLN and Cr-DLN films caused no change in the Raman spectra while (b) for Pt-DLN films there was a blue shift of both the crystalline (G) and microcrystalline (D) graphite-like features, an increase in the I{sub D}/I{sub G} intensity ratio and a decrease in the linewidths. The changes … continued below

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Dorfman, B.; Abraizov, M.; Pollak, F. H.; Yan, D.; Strongin, M.; Yang, X. Q. et al. June 1, 1994.

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Raman spectroscopy, FTIR and scanning tunneling microscopy (STM) were used to study diamond-like nanocomposite (DLN) and metal containing DLN (Me-DLN) films. The FTIR spectra showed no appreciable absorption from the C-H stretch vibration band in DLN when 1 kV rf bias voltage was applied. Thermal annealing (450{degrees}C for 2 hrs) of (a) DLN and Cr-DLN films caused no change in the Raman spectra while (b) for Pt-DLN films there was a blue shift of both the crystalline (G) and microcrystalline (D) graphite-like features, an increase in the I{sub D}/I{sub G} intensity ratio and a decrease in the linewidths. The changes observed were more pronounced in the film with the highest Pt concentration. The STM image of this Pt-DLN film revealed a structure of aromatic graphite rings.

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6 p.

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OSTI; NTIS; INIS; GPO Dep.

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  • Spring meeting of the Materials Research Society (MRS),San Francisco, CA (United States),4-8 Apr 1994

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  • Other: DE94013732
  • Report No.: BNL--60467
  • Report No.: CONF-940411--34
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 10160330
  • Archival Resource Key: ark:/67531/metadc1341759

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  • June 1, 1994

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  • Nov. 28, 2018, 2:33 p.m.

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  • Dec. 3, 2018, 12:02 p.m.

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Dorfman, B.; Abraizov, M.; Pollak, F. H.; Yan, D.; Strongin, M.; Yang, X. Q. et al. Atomic structure modifications of diamond-like nanocomposite films: Observation by Raman spectroscopy, FTIR and STM, article, June 1, 1994; Upton, New York. (https://digital.library.unt.edu/ark:/67531/metadc1341759/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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