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Barriers to diffusion of disease9/23/2023 Three types of barriers can be distinguished. This thin film application is known as a diffusion barrier. One way to try to stabilize a contact is by interposing a thin film of a material that has low diffusivity for the atoms in question. The choice of the metallic film for the contact to a semiconductor device is discussed. Method for applying a diffusion barrier interlayer for high temperature componentsĪ coated substrate and a method of forming a diffusion barrier coating system between a substrate and a MCrAl coating, including a diffusion barrier coating deposited onto at least a portion of a substrate surface, wherein the diffusion barrier coating comprises a nitride, oxide or carbide of one or more transition metals and/or metalloids and a MCrAl coating, wherein M includes a transition metal or a metalloid, deposited on at least a portion of the diffusion barrier coating, wherein the diffusion barrier coating restricts the inward diffusion of aluminum of the MCrAl coating into the substrate.
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