Objective
Co-Pt(P) natural multilayers of very high coercivity, both for thin films (>5kOe) and for thick coatings (2kOe), were obtained. These are the electrodeposited films of the highest coercivity ever obtained, and their application for magnetic layers of computer hard disks or for permanent micro-magnets was investigated, by realising sample disks and thick electrodeposited layers. Similar layers with high Pt content were investigated as layers to improve the hot corrosion resistance.
Co/Cu multilayers, with sublayer of nanometer thickness, were realised with the single and double bath technique, obtaining layers showing the giant magnetoresistive effect. The Co/Cu layers obtained with the single plating bath showed superior stability at high temperature (up to 350°C), minor coercivity and strong magnetoresistance sensitivity; they showed interesting possibilities for magnetic sensors and magnetic recording heads.
Ag/Cu multilayers of high resistivity change with temperature were obtained with the single plating bath technique, with possible application as thermal sensors. Au/Co multilayers were electrodeposited from a single bath, decreasing the internal stresses with additions improving the layering definition. Decreasing the sublayer thickness friction coefficient decreases and wear resistance increases.
Ni-P/Sn multilayers with very high wear and corrosion resistance, combining the high hardness of the Ni-P sublayer with the good lubricating properties of the Sn sublayer, were electrodeposited with the double bath technique. The maximum corrosion resistance is obtained when the Sn sublayer thickness is very small and passivation results from compounds obtained from the oxidized P and Sn.
The research will investigate the ElectroChemical Deposition (ECD) of compositionally modulated multilayers (CMM) of transition metals, containing precious metals. CMM of high coherency and layer thickness uniformity can be obtained by ECD; perfection depends on bath composition and deposition conditions.
Major research tasks are : (i) design and study of prototype equipments for ECD-CMM electrodeposition in a single bath, containing all the metals to be deposited, and in dual baths, with deposition of sublayers in the separate baths; (ii) electrodeposition and determination of the optimum conditions to obtain microlayered alloys, with precious metals as nanolayers; (iii) development of models for layers interaction and CMM electrocrystallization, in order to understand ECD-CMM structure, layer growth and to increase the layer perfection; (iv) determination of ECD-CMM structural, magnetic, optical, thermal, transport and mechanical properties, and of their wear and corrosion resistance; (v) evaluation of ECD-CMM potentiality for industrial application in the field of : magnetic recording, electronic devices, electric contacts, hot corrosion and erosion resistant coatings.
Fields of science (EuroSciVoc)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
20133 MILANO
Italy
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.