Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 408, Issue -, Pages 37-42Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2005.04.170
Keywords
magnetic films and multilayers; magnetization process; elasticity; magnetic force microscopy
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Magnetization process of conventional and discontinuous magnetostrictive spring magnet type multilayers (CMSMM and DMSMM, respectively) is investigated by means of magnetization, magnetostriction and magnetic force microscopy for sputtered Tb-0.4(Fe0.55C0.45)(0.6)/y(x)Fe(1-x) and Tb-0.4(Fe0.55C0.45)(0.6)/Y-x(Fe0.7Co0.3)(1-x) (denoted as Terfecohan/YxFe1-x, and Terfecohan/Y-x(Fe,Co)(1-x) respectively) multilayers with a variable Y-content 0 <= x <= 0.2. Various magnetic behaviour such as in-plane magnetic anisotropy, out-of-plane magnetic anisotropy, field-induced transition and exchange bias phenomenon are observed. Optimization of large magnetostriction and large magnetostrictive susceptibility are discussed in terms of the magnetization reversal, exchange coupling between sandwiched amorphous TbFeCo and nanostructured YFeCo-layers. (c) 2005 Elsevier B.V. All rights reserved.
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