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Nanolayered metal-ceramic composite systems provide the possibility to produce new materials with exceptional strength, toughness, and radiation resistance not exhibited by their individual constituents. The unusual behaviors are frequently attributed to the high density of internal interfaces. Most layered structures studied to date contain sharp interfaces and the synthesis of more diffuse interfacial...
We use neutron reflectivity to study the effects of harsh environments on the composition and structure of Ta 2 N films. We investigated samples with a 700 a Ta 2 N layer, annealed in vacuum, hydrogen, and air, in an attempt to simulate the effects of aging on Ta 2 N thin films. We obtained good model/data fits for all samples studied, with the exception of the air annealed...
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