Electrodeposited platinum-gold alloy
AssigneeNational Technology & Engineering Solutions of Sandia, LLC
InventorsKyle Chris Klavetter, Jonathan Joseph Coleman
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Abstract
A coating made of platinum-gold alloy is provided, together with a method of its preparation by electrodeposition. The alloy is composed of more than 50 atomic percent platinum. The microstructure of the alloy consists of generally ellipsoidal grains. More than half of the grains have a major axis of 10 nm or less.
Claims20
An article comprising a film of platinum-gold alloy coated onto a substrate, wherein:
- the alloy is composed of more than 50 atomic percent platinum;
- the alloy has a microstructure composed of generally ellipsoidal grains;
- and
- more than half of the generally ellipsoidal grains have a major axis of 10 nm or less.
An article comprising a film of amorphous platinum-gold alloy coated onto a substrate, wherein the alloy is composed of more than 50 atomic percent platinum.
An article comprising a film of platinum-gold alloy coated onto a substrate, wherein:
- the alloy is composed of more than 50 atomic percent platinum;
- the alloy has a microstructure composed of generally ellipsoidal grains;
- and
- more than half of the generally ellipsoidal grains have a major axis of 3 nm or less.
Dependencies are inferred from the claim text.