2006
DOI: 10.1021/nl0514238
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Effect of the Growth Conditions on the Spatial Features of Re Nanowires Produced by Directional Solidification

Abstract: The effects of the solidification parameters, such as growth rate and temperature gradient, on the distance and diameter of Re nanowires have been examined. Both the spacing and diameter increase with decreasing growth rate and temperature gradient, respectively. The ratio of fiber spacing to diameter is 9.1. In addition, it was demonstrated that the temperature gradient influences interface undercooling in the same way as the growth rate and may be used as an additional parameter to control fiber spacing and … Show more

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Cited by 36 publications
(27 citation statements)
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“…It is important to emphasize that the wire length can be easily controlled by the etching duration [49]. Next, wire diameter and spacing can be controlled by the processing parameters such as growth rate and temperature gradient [50,51]. In addition, changing the sample orientation and applying localized etching, a sole 'bridging' structure is obtained in which a grid of wires fixed at both ends in the matrix are spanning a pit (Fig.…”
Section: Preparation Of Diverse Nanostructuresmentioning
confidence: 99%
“…It is important to emphasize that the wire length can be easily controlled by the etching duration [49]. Next, wire diameter and spacing can be controlled by the processing parameters such as growth rate and temperature gradient [50,51]. In addition, changing the sample orientation and applying localized etching, a sole 'bridging' structure is obtained in which a grid of wires fixed at both ends in the matrix are spanning a pit (Fig.…”
Section: Preparation Of Diverse Nanostructuresmentioning
confidence: 99%
“…For larger structures such as nanowires of Re or W formed from directional solidification of a eutectic alloy it was possible to isolate single wires with diameters of down to 100 nm [29][30][31]. For preparing isolated Au nanostructures from the processed material a selective dissolution process must be employed that allows a simultaneous stabilisation of the Au nanoparticles and to prevent irreversible coagulation of these particles.…”
Section: Figurementioning
confidence: 99%
“…Recently, a method developed for making various nanostructures from directionally solidified eutectics [14][15][16] was extended to Fe-Au eutectoid system [17]. It is based on directional solidstate decomposition of eutectoid alloys in order to produce highly ordered structures, followed by phase separation by selective etching.…”
Section: Introductionmentioning
confidence: 99%