Coaxial metal and magnetic alloy nanotubes in polycarbonate templates by electroless deposition

Rohan, James F.; Casey, Declan P.; Ahern, Bernadette M.; Rhen, Fernando M.F.; Roy, Saibal; Fleming, David; Lawrence, Simon E.

doi:10.1016/j.elecom.2008.07.019

Cited by 39 publications

(33 citation statements)

References 20 publications

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“…In addition, the coercivities of the high aspect-ratio Ni-P alloy arrays both in parallel and perpendicular directions are superior to that of iron ($1 Oe), nickel ($6 Oe) and Fe x Ni 1Àx (<1 Oe) bulk materials [6]. The coercivity of the one-dimensional structure alloy is due to shape anisotropy, which is in accordance with similar observations in Co (Hc = 250 Oe, 20 kA/m) and CoNiFe (Hc = 100 Oe, 8 kA/m) nanowires [13]. They performed as typical soft magnetic materials both for Ni-P nanotubes and nanowires.…”

Section: Characterization Of the Magnetic Properties For The Ni-p Alloysupporting

confidence: 73%

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Controllable growth and magnetic characterization of electrodeposited nanocrystalline Ni–P alloy nanotube and nanowire arrays inside AAO template

Liu

Wang

Zhai

et al. 2010

Journal of Electroanalytical Chemistry

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Section: Characterization Of the Magnetic Properties For The Ni-p Alloysupporting

confidence: 73%

“…A number of researchers have demonstrated alloy nanostructures formation using chemical vapour deposition [10], electroless growth [11], electrodeposition [12][13][14][15] etc. However, of these previous methods, it is either complicated or difficult in controlling the size or the shape of the obtained 1-D alloy arrays.…”

Section: Introductionmentioning

confidence: 99%

Controllable growth and magnetic characterization of electrodeposited nanocrystalline Ni–P alloy nanotube and nanowire arrays inside AAO template

Liu

Wang

Zhai

et al. 2010

Journal of Electroanalytical Chemistry

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“…However, Co and Ni show anomalous deposition that gives a different ratio of Co and Ni in the deposit [17][18][19]. Therefore, the compositional control in co-deposition is very important while the deposition in nanostructured template imposes additional challenges.…”

Section: Introductionmentioning

confidence: 99%

“…Another way to control the deposition, which is less common, is to perform the deposition in alternating electrolytes containing either Co or Ni [4,6,22]. Unlike the deposition in two electrolytes, the deposition in a single electrolyte results in an alloy whose composition can be modified by adjusting the electrolyte concentration [1,2,8,9,11,12,[15][16][17][18][19][20][21]. This method allows for a better control of the composition by managing the deposition protocol (i.e.…”

Section: Introductionmentioning

confidence: 99%

“…Generally speaking, to control the composition of Co-Ni nanowires, the deposition may be performed in a single electrolyte containing Co and Ni ions [1,2,8,9,11,12,[15][16][17][18][19][20][21]. Another way to control the deposition, which is less common, is to perform the deposition in alternating electrolytes containing either Co or Ni [4,6,22].…”

Section: Introductionmentioning

confidence: 99%

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Potential Controlled Co-Ni Nanowires with Compositional Gradient

Tepes¹,

Vrânceanu²,

Cotruț³

et al. 2016

ARA 40th Congress Proceedings

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Co-Ni nanowires with composition gradient were grown by template assisted electrochemical deposition. Using PCTE membrane to grow nanowires makes the deposition of an alloy inside the pores more challenging because the growth is affected by the transport of the electroactive ions into the pores. A novel step-wise deposition-stripping strategy was used to grow NWs with controlled composition along the length of nanowire while maintaining constant the electrolyte composition. A detailed electrochemical analysis was performed to understand and control the Co stripping process, and to demonstrate the applicability of the proposed method. Redox reactions allow us to create custom deposition-stripping programs that enable us to better select and control the potential used to grow the nanowires of controlled composition. Samples were analyzed using scanning electron microscopy (SEM) and EDS. Quantitative analysis performed on samples has revealed that the designed stripping technique and selected potentials resulted in Co-Ni nanowires with up to 3 times more Ni then the samples obtained from similar electrolyte.

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Electroless Plating of Metal Nanomaterials

Muench

2021

ChemElectroChem

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Electroless plating is commonly associated with metallizing macroscopic work pieces, but also represents a surprisingly powerful nanomanufacturing tool. This review details the technique's use for creating nanomaterials of arbitrary dimensionality, ranging from nanoparticles over nanotubes, nanowires, and ultrathin films to nanostructured lattices, focusing on the solution chemistry and mechanistic aspects. The synthesis of defined nanostructures serves as overarching perspective, which is enriched by drawing connections to and insights from related fields. Strategies for controlling the size, shape, crystallinity, porosity, composition, and arrangement of electrolessly plated nanostructures are outlined, including templating (which harnesses the method's exceptional conformality to guide and limit deposit formation), the complementary approach of selective growth, tailored seeding, and bath design. Being able to strike convincing compromises between material quality and ease of preparation, electroless nanoplating has a distinct potential to facilitate the application of metal nanomaterials.

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Coaxial metal and magnetic alloy nanotubes in polycarbonate templates by electroless deposition

Cited by 39 publications

References 20 publications

Controllable growth and magnetic characterization of electrodeposited nanocrystalline Ni–P alloy nanotube and nanowire arrays inside AAO template

Controllable growth and magnetic characterization of electrodeposited nanocrystalline Ni–P alloy nanotube and nanowire arrays inside AAO template

Potential Controlled Co-Ni Nanowires with Compositional Gradient

Electroless Plating of Metal Nanomaterials

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