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- ItemElectrodeposition of Fe70Pd30 nanowires from a complexed ammonium-sulfosalicylic electrolyte with high stability(Amsterdam : Elsevier, 2010) Haehnel, V.; Fähler, S.; Schultz, L.; Schlörb, H.A highly stable plating bath for the electrodeposition of Fe-Pd nanowires into nanoporous alumina templates has been developed. Complexing of both metal ions and exchanging Fe2+ by Fe3+ avoid chemical reduction of Pd ions and, therefore, undesirable deposition. By using a pulse potential mode and appropriate adjustment of deposition potentials homogeneously filled templates without surface deposits and nanowires close to the desired composition of Fe70Pd30 have been achieved. These alloy nanowires represent a key step towards nanoactuators based on magnetic shape memory alloys. © 2010 Elsevier B.V. All rights reserved.
- ItemUltimate response dynamics achieved with gas sensors based on self-heated nanowires(Amsterdam : Elsevier, 2009) Prades, J.D.; Jimenez-Diaz, R.; Hernandez-Ramirez, F.; Romano-Rodriguez, A.; Mathur, S.; Morante, J.R.Bias current applied to conductometric gas sensors consisting of individual metal oxide nanowires can be used to heat them up to the temperature necessary for sensing. This approach in combination with the good sensitivity and stability of metal-oxide nanowires, can be used to develop prototypes with low power requirements (few tens of microwatts). Here, we present new sensors devices based on this approach that display fast dynamic performance only limited by the gas-solid interaction kinetics,. © 2009.