Synthesis of magnetic Fe and Co nano-whiskers and platelets via physical vapor deposition

Huang, Wei-Hsiang; Gatel, Christophe; Li, Zi‐An; Richter, Gunther

doi:10.1016/j.matdes.2021.109914

Cited by 10 publications

(6 citation statements)

References 40 publications

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“…Data on the surface inhomogeneity and composition were obtained in the back-scattered electron (BEC) mode. The energy of the electron beam was chosen in the range of (10)(11)(12)(13)(14)(15) keV. The elemental composition of the samples was determined using an energy-dispersive spectrometer at an acceleration voltage of (15)(16)(17)(18)(19)(20) kV and a beam current of (1-3) nA.…”

Section: Methodsmentioning

confidence: 99%

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About synthesis mechanism of periodic oxide nanocrystallites on surface of single-crystal InP

Ковачов

Bohdanov

Бардус

et al. 2023

Phys. Chem. Solid St.

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We have obtained unique periodic oxide nanocrystallites on the surface of indium phosphide. The morphological characteristics of the structures obtained and their component composition are investigated in the article. The main attention is focused on explaining the mechanism of the periodic structures, which are packed by the ‘parquet floor’ type. The mechanism based on sliding the sources of rectangular-shaped dislocation loops has been proposed. The system of the main and secondary (ingoing) dislocations that cause the formation of the steps has been considered. The mathematical interpretation of the described model has also been proposed.

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Section: Methodsmentioning

confidence: 99%

“…In recent times, the attention of researchers is focused on the materials with the surface architecture [9,10]. Today, nanoneedles [11], nanowhiskers [12], flower-shaped structures [13], porous surfaces [14,15], etc., are successfully synthesized. Furthermore, periodic structures are gaining in considerable popularity [16,17].…”

Section: Introductionmentioning

confidence: 99%

About synthesis mechanism of periodic oxide nanocrystallites on surface of single-crystal InP

Ковачов

Bohdanov

Бардус

et al. 2023

Phys. Chem. Solid St.

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“…Physical vapor deposition (PVD) deposits atoms and molecules vaporized from solid or liquid sources in a vacuum or low gaseous plasma environment. [655] PVD is widely used in the growth of a variety of materials with a variety of nanostructures due to its low growth temperature (which can reach as low as 150 °C), high throughput, and ease of control, such as ZnO nanowires, [656,657] transition metal nanowhiskers, [658,659] and carbon nanotubes. [659,660] PVD techniques commonly used to fabricate 2D materials include evaporation deposition, sputter deposition, and pulsed laser deposition (PLD).…”

Section: Physical Vapor Deposition (Pvd)mentioning

confidence: 99%

2D Materials for Wearable Energy Harvesting

Lee

2022

Adv Materials Technologies

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theoretical investigation into the effect of surface tension component ratios between the polar and dispersion components of applied solvents and 2D materials (Figure 3b). [523] The results indicated that a solvent suited for certain 2D materials LPE should have surface tension component ratios similar to the 2D materials. [523] However, direct exfoliation using sonication and Figure 3. Top-down approaches in 2D materials preparation. a) Schematically illustration of ultrasonic-assisted exfoliation. Reproduced with permission. [524] Copyright 2013, American Association for the Advancement of Science. b) Top and middle rows: dispersibility of graphene and MoS 2 as a function of total surface tension and polar to dispersive ratio. Bottom row showing the thickness histogram of graphene and MoS 2 exfoliated using solvents with the optimal surface tension and polar to dispersive component ratio. Reproduced with permission. [523] Copyright 2015, American Chemical Society. c) Detailed schematic of cathodic exfoliation (top) and anodic exfoliation (bottom) of graphene from graphite. Reproduced with permission. [1184] Copyright 2015, Elsevier. d) DFT calculation results of ion-intercalation exfoliation of graphite into graphene using SO 4 2− ion (bottom left), Li ion (top right) and K ion (bottom right). Reproduced under terms of the CC-BY license. [565] Copyright 2017, The Authors, published by the Royal Society of Chemistry. e) Left: SEM image (top) and AFM image (bottom) of a typical graphene obtained by ion-intercalated exfoliation. Right: Lateral size (top) and thickness (bottom) distribution of graphene through ion-intercalation exfoliation. Reproduced with permission.

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“…We consider (as Ω m ) a centered ferromagnetic whisker of size 24×24×(280 -330) nm. Similar Feand Co-based nano-whiskers can be synthesized, for example, via physical vapor deposition [14]. We choose the material parameters of the ferromagnet similar to those for iron [15]:…”

Section: Simulationsmentioning

confidence: 99%