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pro vyhledávání: '"William A. McGahan"'
Publikováno v:
International Journal of Mobile and Blended Learning. 8:1-18
There has been an increasing focus on student-generated multimedia assessment as a way of introducing the benefits of both visual literacy and peer-mediated learning into university courses. One such assessment was offered to first-year health scienc
Publikováno v:
International Journal of Mobile and Blended Learning. 7:25-40
This paper reports on attempts to incorporate creative visual literacy, by way of student owned technology, and sharing of student-generated multimedia amongst peers to enhance learning in a first year human physiology course*. In 2013, students were
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 18:1704-1708
The thickness and optical constants of titanium and titanium nitride thin films were measured by visible reflectometry through a window of a vacuum deposition system while the wafer was cooling from deposition to room temperature. The measurement sys
Autor:
M.F. Tabet, William A. McGahan
Publikováno v:
Thin Solid Films. 370:122-127
Artificial neural networks and the Levenberg–Marquardt algorithm are combined to calculate the thickness and refractive index of thin films from spectroscopic reflectometry data. Two examples will be discussed, the first is a measurement of thickne
Autor:
Milad F. Tabet, William A. McGahan
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 17:1836-1839
Artificial neural networks and the Levenberg–Marquardt algorithm are combined to calculate the thickness and refractive index of transparent thin films from spectroscopic reflectometry data. A neural network is a set of simple, highly interconnecte
Publikováno v:
Journal of Applied Physics. 83:3323-3336
Optical constant spectra for silicon and thermally grown silicon dioxide have been simultaneously determined using variable angle of incidence spectroscopic ellipsometry from 0.75 to 6.5 eV. Spectroscopic ellipsometric data sets acquired at multiple
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 14:3075-3081
The low Earth orbit ~LEO! environment is commonly simulated using oxygen plasma ashers to determine the effects of LEO on spacecraft materials. However, plasma ashers can also contaminate samples during plasma exposure, making them less than ideal fo
Autor:
William A. McGahan, Katashi Masumoto
Publikováno v:
MRS Bulletin. 21:44-49
Intermetallic compounds constitute a very important class of materials for electromagnetic applications. In this article, some important materials and applications are discussed in the following areas: (1) magnetic, magnetoresistive, and magnetostric
Publikováno v:
Surface and Coatings Technology. 62:707-710
Hard carbon thin films have been prepared on fused silica substrates by r.f. plasma deposition and magnetron sputtering using mixtures of argon and methane gases. By controlling the deposition power and gas pressure amorphous carbon films with optica
Autor:
William A. McGahan, Ping He, John A. Woollam, Glennis J. Orloff, John R. McNeil, Blaine D. Johs, R.D. Jacobson
Publikováno v:
Thin Solid Films. 233:46-49
The development of low damage anisotropic etching is important for the fabrication of mercury cadmium telluride (Hg1−xCdxTe) based IR devices. Typical methane-hydrogen chemistries have been shown to etch Hg1−xCdxTe causing changes in the surface