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Multiferroic materials represent a very attractive class of materials due to the coupling between their electric and magnetic orders. A recent paper has demonstrated that a thin film of BDFO shows a good magnetoelectric coupling. Based on such a peculiarity, multiferroic composites can be successfully used to realize sensors of both electric and magnetic fields. This work reports two different ways...
We present an overview of the “coupled-core” fluxgate magnetometer and its “single-core” counterpart. The basic theory is briefly discussed and some prototype realizations presented via a set of assorted applications. In particular, the results of sea-tests carried out, in collaboration with FOI-Stockholm, in the Baltic Sea will be presented and discussed together with other experimental results in...
Coupling-induced oscillations are a feature that appears to be universal in coupled systems that are (individually) described by bi-or multi-stable potential energy functions U(x); these properties are being exploited in a new class of dynamical sensors being developed by us. Here, we describe one of these devices, a coupled core fluxgate magnetometer (CCFM), whose operation is underpinned by this...
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