Large Spin-Dependent Thermoelectric Effects in NiFe-based Interconnected Nanowire Networks
Posted on 2020-06-30 - 04:25
Abstract NiFe alloy and NiFe/Cu multilayered nanowire (NW) networks were grown using a template-assisted electrochemical synthesis method. The NiFe alloy NW networks exhibit large thermopower, which is largely preserved in the current perpendicular-to-plane geometry of the multilayered NW structure. Giant magneto-thermopower (MTP) effects have been demonstrated in multilayered NiFe/Cu NWs with a value of 25% at 300 K and reaching 60% around 100 K. A large spin-dependent Seebeck coefficient of –12.3 μV/K was obtained at room temperature. The large MTP effects demonstrate a magnetic approach to control thermoelectric properties of flexible devices based on NW networks.
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Marchal, Nicolas; da Câmara Santa Clara Gomes, Tristan; Abreu Araujo, Flavio; Piraux, Luc (2020). Large Spin-Dependent Thermoelectric Effects in NiFe-based Interconnected Nanowire Networks. figshare. Collection. https://doi.org/10.6084/m9.figshare.c.5044322.v1
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AUTHORS (4)
NM
Nicolas Marchal
Td
Tristan da Câmara Santa Clara Gomes
FA
Flavio Abreu Araujo
LP
Luc Piraux