You searched on: Author: john gillen
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61. Elemental and Molecular Imaging of Human Hair Using Secondary Ion Mass Spectrometry
John G Gillen, S V. Roberson, C M. Ng, M Stranick
Secondary ion mass spectrometry (SIMS) is used to image the spatial distribution of elemental and molecular species on the surface and in cross-sections of doped human hair using a magnetic sector SIMS instrument operated as an ion microprobe. Analy ...
62. Preliminary Evaluation of an SF5+ Polyatomic Primary Ion Beam for Analysis of Organic Thin Films by Secondary Ion Mass Spectrometry
John G Gillen, S V. Roberson
63. Quantitative secondary ion mass spectrometry imaging of self-assembled monolayer films for electron beam dose mapping in the environmental scanning electron microscope
John G Gillen, Scott A Wight, David S. Bright, T M. Herne
Fluorinated alkanethiol self assembled monolayers (SAM) films immobilized on gold substrates have been used as electron-sensitive resists to map quantitatively the spatial distribution of the primary electron beam scattering in an environmental scann ...
64. Automated SIMS for Determining Isotopic Distributions in Particle Polutations
David S Simons, John G Gillen, Cynthia J Zeissler, R H Fleming, P J McNitt
A System has been developed to make rapid automated measurements of isotopic ratios from many individual micrometer-sized particles dispersed on a substrate. High particle throughput is achieved by using a commercial secondary ion microscope to coll ...
65. The Scanning Scattering Microscopy for Surface and Buried Interface Roughness and Defect Imaging
J Lorincik, J Fine, John G Gillen
66. Development of Environmental Scanning Electron Microscopy Electron Beam Profile Imaging with Self-assembled Monolayers and Secondary Ion Mass Spectroscopy
Scott A Wight, John G Gillen, Tonya Herne
67. Use of Secondary Ion Mass Spectrometry to Image (44) Calcium Uptake in the Cell Walls of Apple Fruit
Sandip Roy, John G Gillen, W.S. Conway, A.E. Watada, W.P. Wergin
68. Patterning of Self-assembled Alkanethiol Monolayers on Silver by Microfocus Ion and Electron Beam Bombardment
John G Gillen, Scott A Wight, Joe Bennett, Michael J Tarlov
Decanethiol [CH3(CH2)9SH] self-assembled monolayer films on silver substrates have been irradiated in selected areas by focused ion or electron bombardment. Subsequent immersion of the irradiated sample in a solution of a fluoromercaptan [CF3(CF2)2(C ...
69. Molecular Imaging Secondary Ion Mass Spectrometry for the Characterization of Patterned Self-assembled Monolayers on Silver and Gold
John G Gillen, J. Bennett, Michael J Tarlov, Donald R Burgess Jr.
Self-assembly of alkanethiol monolayers on gold and silver substrates is a fast, easy, and convenient method for preparing stable organic films with well-defined physical and chemical properties that can be modified by changing the terminal functiona ...
70. UV Photopatterning of Alkanethiolate Monolayers Self-Assembled on Gold and Silver
Michael J Tarlov, Donald R Burgess Jr., John G Gillen