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Corrosion Resistant Antiferromagnetic Film

IP.com Disclosure Number: IPCOM000037623D
Original Publication Date: 1989-Apr-01
Included in the Prior Art Database: 2005-Jan-29
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Staud, N: AUTHOR

Abstract

The corrosion resistance of iron manganese thin films can be improved considerably without degrading its magnetic properties. To achieve this, iron manganese is alloyed with small amounts of chromium, typically 2 to 5 atomic percent, and subsequently annealed in air or oxygen atmosphere at moderate temperatures between 100 and 200 degrees Celsius for one to two hours. In very thin films of 150 angstrom or less, improved corrosion resistance is already obtained for the iron manganese chromium alloy without the anneal procedure.

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Corrosion Resistant Antiferromagnetic Film

The corrosion resistance of iron manganese thin films can be improved considerably without degrading its magnetic properties. To achieve this, iron manganese is alloyed with small amounts of chromium, typically 2 to 5 atomic percent, and subsequently annealed in air or oxygen atmosphere at moderate temperatures between 100 and 200 degrees Celsius for one to two hours. In very thin films of 150 angstrom or less, improved corrosion resistance is already obtained for the iron manganese chromium alloy without the anneal procedure.

Disclosed anonymously.

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