Rhombohedral AlPt films formed by self-propagating, high temperature synthesis.

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Description

High-purity AlPt thin films prepared by self-propagating, high temperature combustion synthesis show evidence for a new rhombohedral phase. Sputter deposited Al/Pt multilayers of various designs are reacted at different rates in air and in vacuum, and each form a new trigonal/hexagonal aluminide phase with unit cell parameters a = 15.571(8) {angstrom}, c = 5.304(1) {angstrom}, space group R-3 (148), and Z, the number of formula units within a unit cell, = 39. The lattice is isostructural to that of the AlPd R-3 lattice as reported by Matkovic and Schubert (Matkovic, 1977). Reacted films have a random in-plane crystallographic texture, a ... continued below

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24 p.

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Adams, David Price; Rodriguez, Mark Andrew & Kotula, Paul Gabriel November 1, 2005.

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Description

High-purity AlPt thin films prepared by self-propagating, high temperature combustion synthesis show evidence for a new rhombohedral phase. Sputter deposited Al/Pt multilayers of various designs are reacted at different rates in air and in vacuum, and each form a new trigonal/hexagonal aluminide phase with unit cell parameters a = 15.571(8) {angstrom}, c = 5.304(1) {angstrom}, space group R-3 (148), and Z, the number of formula units within a unit cell, = 39. The lattice is isostructural to that of the AlPd R-3 lattice as reported by Matkovic and Schubert (Matkovic, 1977). Reacted films have a random in-plane crystallographic texture, a modest out-of-plane (001) texture, and equiaxed grains with dimensions on the order of film thickness.

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24 p.

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  • Report No.: SAND2005-7287
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/875985 | External Link
  • Office of Scientific & Technical Information Report Number: 875985
  • Archival Resource Key: ark:/67531/metadc877008

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  • November 1, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 1, 2016, 4:44 p.m.

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Adams, David Price; Rodriguez, Mark Andrew & Kotula, Paul Gabriel. Rhombohedral AlPt films formed by self-propagating, high temperature synthesis., report, November 1, 2005; United States. (digital.library.unt.edu/ark:/67531/metadc877008/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.