Functional Nanostructures Fabricated by Focused Electron/Ion Beam Induced Deposition

Castillo, Rosa Córdoba

doi:10.1007/978-3-319-02081-5

Cited by 14 publications

(8 citation statements)

References 46 publications

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“…These small differences in composition are not expected to produce nanoscale inhomogeneous superconducting properties. In fact, previous experiments in flat W–C deposits performed by varying the growth beam voltage (from 5 to 30 kV) and the growth beam incidence angle (from 28 to 90°) gave rise to greater changes in the Ga and W content without affecting the measured T c [49]. …”

Section: Resultsmentioning

confidence: 99%

Thickness-modulated tungsten–carbon superconducting nanostructures grown by focused ion beam induced deposition for vortex pinning up to high magnetic fields

Serrano¹,

Sesé²,

Guillamón³

et al. 2016

Beilstein J. Nanotechnol.

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We report efficient vortex pinning in thickness-modulated tungsten–carbon-based (W–C) nanostructures grown by focused ion beam induced deposition (FIBID). By using FIBID, W–C superconducting films have been created with thickness modulation properties exhibiting periodicity from 60 to 140 nm, leading to a strong pinning potential for the vortex lattice. This produces local minima in the resistivity up to high magnetic fields (2.2 T) in a broad temperature range due to commensurability effects between the pinning potential and the vortex lattice. The results show that the combination of single-step FIBID fabrication of superconducting nanostructures with built-in artificial pinning landscapes and the small intrinsic random pinning potential of this material produces strong periodic pinning potentials, maximizing the opportunities for the investigation of fundamental aspects in vortex science under changing external stimuli (e.g., temperature, magnetic field, electrical current).

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Section: Resultsmentioning

confidence: 99%

Thickness-modulated tungsten–carbon superconducting nanostructures grown by focused ion beam induced deposition for vortex pinning up to high magnetic fields

Serrano¹,

Sesé²,

Guillamón³

et al. 2016

Beilstein J. Nanotechnol.

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“…In contrast to electron/ion-impact-induced breaking, FEB and FIB can also narrow the gap down to a few nanometers via local deposition, [147] as shown in Figure 7A. Focused-electron-beaminduced deposition (FEBID) and its sister technique focusedion-beam-induced deposition (FIBID) are both single-step direct-write nanolithography techniques based on the dissociation of the gaseous precursor molecules by a nanometer-size electron and ion beam, [148] respectively.…”

Section: Electron/ion-beam-induced Depositionmentioning

confidence: 99%

Molecular Electronics: Creating and Bridging Molecular Junctions and Promoting Its Commercialization

Bandari

Schmidt

2023

Advanced Materials

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“…Similarly to EB, FIB has significant disadvantages, including very low throughput (typically 10 to 13 m 2 /s with a high resolution of 30% milling coefficient). [63,64] However, soft lithography can overcome these limitations and various disadvantages of EBL and FIB. [65] Also, it can create arrays with a large area of the nano-antennas with high accuracy.…”

Section: Fabrication Possibilitiesmentioning

confidence: 99%

Design and optimization of a nano-antenna hybrid structure for solar energy harvesting application

Rabienejhad¹,

Davoudi-Darareh²,

Mazaheri³

2021

Chinese Phys. B

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A novel hybrid structure with high responsivity and efficiency is proposed based on an L-shaped frame nano-antenna (LSFNA) array for solar energy harvesting application. So, two types of LSFNAs are designed and optimized to enhance the harvesting characteristics of traditional simple electric dipole nano-antenna (SEDNA). The LSFNA geometrical dimensions are optimized to have the best values for the required input impedance at three resonance wavelengths of λ res = 10 μm, 15 μm, and 20 μm. Then the LSFNAs with three different sizes are modeled like a planar spiral-shaped array (PSSA). Also, a fractal bowtie nano-antenna is connected with the PSSA in the array gap. This proposed hybrid structure consists of two main elements: (I) Three different sizes of the LSFNAs with two different material types are designed based on the thin-film metal–insulator–metal diodes that are a proper method for infrared energy harvesting. (II) The PSSA gap is designed based on the electron field emission proposed by the Fowler–Nordheim theory for the array rectification. Finally, the proposed device is analyzed. The results show that the PSSA not only has an averaged 3-time enhancement in the harvesting characteristics (such as return loss, harvesting efficiency, etc.) than the previously proposed structures but also is a multi-resonance wide-band device. Furthermore, the proposed antenna takes up less space in the electronic circuit and has an easy implementation process.

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Functional Nanostructures Fabricated by Focused Electron/Ion Beam Induced Deposition

Cited by 14 publications

References 46 publications

Thickness-modulated tungsten–carbon superconducting nanostructures grown by focused ion beam induced deposition for vortex pinning up to high magnetic fields

Thickness-modulated tungsten–carbon superconducting nanostructures grown by focused ion beam induced deposition for vortex pinning up to high magnetic fields

Molecular Electronics: Creating and Bridging Molecular Junctions and Promoting Its Commercialization

Design and optimization of a nano-antenna hybrid structure for solar energy harvesting application

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