High rate deposition of iron-oxide thin films by reactive sputtering
1983
For the preparation of γ-Fe 2 O 3 thin films, an improved process utilizing a sputtering technique is described. Iron-oxide thin films were prepared by reactive sputtering of an Fe target in Ar+O 2 atmosphere. Sputtered α-Fe 2 O 3 thin films were deposited at about ten times higher rate than the conventional method. Next, α-Fe 2 O 3 films were reduced in an hydrogen atmosphere. Typical reduced films showed a high squareness of 0.84 and a coercive force of 350 Oe.
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