NDLI: Corrosion study in TbFeCoCr amorphous magneto-optical films

Content Provider	IEEE Xplore Digital Library
Author	Kobayashi, H. Ogino, K. Takayama, S.
Copyright Year	1965
Abstract	(Tb/sub 20/Fe/sub 65/Co/sub 15/)/sub 94/Cr/sub 6/ film shows high corrosion resistance with good magnetooptical properties, H/sub c/=4.9 kOe, theta /sub k/=0.3 degrees , K/sub u/=1.4*10/sup 6/ erg/cm/sup 3/ and T/sub c/=230 degrees C. Pit corrosion in 1N-NaCl aqueous solution and wet corrosion in 85 degrees C and 85%RH atmosphere were studied for TbFeCo films with and without Cr addition. It is suggested that pit corrosion occurs by a chemical reaction between the anodic pit wall and the cathodic film surface, resulting in a piling up of corroded products inside the pits. On the other hand, wet corrosion in TbFeCo and TbFeCoCr films shows a bubble-chain-like morphology similar to conventional filiform corrosion observed in a coated film. This seems to take place by discontinuous movement of the anodic reaction area ahead of the bubbles.<>
Sponsorship	IEEE Magnetics Society
Starting Page	1361
Ending Page	1363
Page Count	3
File Size	338040
File Format	PDF
ISSN	00189464
Volume Number	26
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Corrosion Amorphous materials Chromium Magnetic anisotropy Magnetic films Magnetic properties Atmosphere Amorphous magnetic materials Perpendicular magnetic anisotropy Plasma measurements
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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