Influence of sol–gel parameters in the fabrication of ferromagnetic La2/3Ca1/3MnO3 nanotube arrays

Kumaresavanji, M.; Sousa, C. T.; Apolinário, Arlete; Lopes, A. M. L.; Araújo, João P.

doi:10.1016/j.mseb.2015.07.005

Cited by 6 publications

(2 citation statements)

References 35 publications

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“…Nanotubes (NTs), especially magnetic metal NTs, have been widely investigated due to their promising applications in various fields such as biomedical imaging, − high-density magnetic storage, − catalysis, − etc. Various fabrication methods have already been developed, which include the atomic layer deposition, sol–gel method, hydrothermal method, electrochemical deposition, − and so on. Among these approaches, the template-assisted electrochemical deposition technique is more attractive because of the controllable pore size and easy fabrication.…”

Section: Introductionmentioning

confidence: 99%

Hydrogen Bubble-Directed Tubular Structure: A Novel Mechanism to Facilely Synthesize Nanotube Arrays with Controllable Wall Thickness

Shen

Pan

et al. 2021

ACS Appl. Mater. Interfaces

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Nanowire arrays can be conveniently fabricated by electrodeposition methods using porous anodized alumina oxide templates. They have found applications in numerous fields. Nanotube arrays, with their hollow structure and much enhanced surface-to-volume ratio, as well as an additional tuning parameter in tube wall thickness, promise additional functions compared with nanowire arrays. Using a similar fabrication method, we have developed a facile and general method to fabricate metallic nanotubes (NTs). Using Ni NTs as a model system, the mechanism of the hydrogen-assisted NT growth was postulated and confirmed by controlling the hydrogen formation with conductive salts in an electrodeposition solution, which improves the H2 concentration but prevents the large H2 bubbles from blocking the nanochannel of a template. The controlled hydrogen generation forces the growth along the wall of nanochannels in the templates, leading to the NT formation. The magnetic properties can be controlled by the NT wall thickness, making these NTs useful for various applications.

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Section: Introductionmentioning

confidence: 99%

Hydrogen Bubble-Directed Tubular Structure: A Novel Mechanism to Facilely Synthesize Nanotube Arrays with Controllable Wall Thickness

Shen

Pan

et al. 2021

ACS Appl. Mater. Interfaces

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“…Controlling sol-gel process parameters has a great role in obtaining enhanced properties for the desired application. For example, Kumaresavanji et al [16] studied precursor molar concentration, viscosity and pH values as effective parameters on structural and magnetic properties of ferromagnetic La2/3Ca1/ 3MnO3 nanotubes. Moreover, Nguyen et al [17] succeeded in applying Anatase-Titania on χ-alumina fibers through sol-gel dip coating.…”

Section: Introductionmentioning

confidence: 99%

A study of sol gel process parameters on CoCuMnO_x selective coating characteristics

Taha

Mahallawy

Shoeib

2020

Mater. Res. Express

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This research addresses the effect of process parameters on the optical properties of solar selective coating. The proposed study discusses the deposition of a selective coating of CoCuMnO x onto stainless-steel substrate. The coating was prepared via a sol-gel route and dip coating process. Mechanical adhesion between the coating and the substrate was increased through increasing the surface roughness of the substrate. Four parameters were discussed; precursor concentration, withdrawal rate, number of coating layers and the heat treatment temperature. The best achieved absorptivity was 0.906 in the wavelength range of (200-900 nm) and emissivity was 0.116 in the wavelength range of (2.5-25 μm) for a sample with precursor molar ratio divided by 60, 1.5 cm min −1 withdrawal rate, double coating layer and 450°C heat treatment temperature. Detailed coating characterization was discussed through XRD, EDX and SEM analysis.

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Synthesis of Oxide Nanotubes by Sol–Gel Method

Anastasescu

Mihaiu

Preda

et al. 2016

1D Oxide Nanostructures Obtained by Sol-Gel and Hydrothermal Methods

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Influence of sol–gel parameters in the fabrication of ferromagnetic La2/3Ca1/3MnO3 nanotube arrays

Cited by 6 publications

References 35 publications

Hydrogen Bubble-Directed Tubular Structure: A Novel Mechanism to Facilely Synthesize Nanotube Arrays with Controllable Wall Thickness

Hydrogen Bubble-Directed Tubular Structure: A Novel Mechanism to Facilely Synthesize Nanotube Arrays with Controllable Wall Thickness

A study of sol gel process parameters on CoCuMnO_x selective coating characteristics

Synthesis of Oxide Nanotubes by Sol–Gel Method

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Influence of sol–gel parameters in the fabrication of ferromagnetic La2/3Ca1/3MnO3 nanotube arrays

Cited by 6 publications

References 35 publications

Hydrogen Bubble-Directed Tubular Structure: A Novel Mechanism to Facilely Synthesize Nanotube Arrays with Controllable Wall Thickness

Hydrogen Bubble-Directed Tubular Structure: A Novel Mechanism to Facilely Synthesize Nanotube Arrays with Controllable Wall Thickness

A study of sol gel process parameters on CoCuMnOx selective coating characteristics

Synthesis of Oxide Nanotubes by Sol–Gel Method

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A study of sol gel process parameters on CoCuMnO_x selective coating characteristics