Advances of Nanoparticles and Thin Films

Borca, Bogdana; Bartha, Cristina

doi:10.3390/coatings12081138

Cited by 4 publications

(2 citation statements)

References 20 publications

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“…A few recent successful examples already include some of these new alternative types of electrodes for photovoltaic [188], capacitive [189] and spin-crossover [190] devices. Further studies may be important to also explore the potential of OMFJs for flexible electronics, wearable electronics, transient electronics, bioelectronics and perchance coupling their properties with light-related phenomena in magneto-optics, optoelectronics or photovoltaics contributing to the advancement of nanostructures and thin films [191].…”

Section: Discussionmentioning

confidence: 99%

Advances in Organic Multiferroic Junctions

Borca

2024

Coatings

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Typically, organic multiferroic junctions (OMFJs) are formed of an organic ferroelectric layer sandwiched between two ferromagnetic electrodes. The main scientific interest in OMFJs focuses on the magnetoresistive properties of the magnetic spin valve combined with the electroresistive properties associated with the ferroelectric junction. In consequence, memristive properties that couple magnetoelectric functionalities, which are one of the most active fields of research in material sciences, are opening a large spectrum of technological applications from nonvolatile memory to elements in logic circuits, sensing devices, energy harvesting and biological synapsis models in the emerging area of neuromorphic computing. The realization of these multifunctional electronic elements using organic materials is presenting various advantages related to their low-cost, versatile synthesis and low power consumption functioning for sustainable electronics; green disintegration for transient electronics; and flexibility, light weight and/or biocompatibility for flexible electronics. The purpose of this review is to address the advancement of all OMFJs including not only the achievements in the charge and spin transport through OMFJs together with the effects of electroresistance and magnetoresistance but also the challenges and ways to overcome them for the most used materials for OMFJs.

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Section: Discussionmentioning

confidence: 99%

Advances in Organic Multiferroic Junctions

Borca

2024

Coatings

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“…Compared to bulk materials, nanoparticles, and thin films exhibit fantastic properties 1 . Currently, owing to their distinct physical attributes, which contribute to practical applications in domains such as flat panel displays 2 , solar systems 3 , sensors 4 , alpha-particle detectors 5 , and light-emitting diodes (LEDs) 6 , zinc sulfide (ZnS) thin films have attracted significant scientific interest.…”

Section: Introductionmentioning

confidence: 99%

Analysing the surface morphology of annealed FTO/ZnS bilayer films: stereometric, fractal, and wettability approaches

Eftekhari,

Ghasemi

2024

Sci Rep

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The surface micromorphology and roughening of the thermal evaporation-coated FTO/ZnS bilayer thin films annealed at 300, 400, 500, and $$550\,^\circ{\text{C}}$$ 550 ∘ C for 1 h have been studied. AFM images of the prepared samples were analysed by the MountainsMap software, and the effects of the annealing temperature on the surface texture of the FTO/ZnS thin film’s surface were investigated. Stereometric and advanced fractal analyses showed that the sample annealed at $$500\,^\circ{\text{C}}$$ 500 ∘ C exhibited greater surface roughness and greater skewness and kurtosis. This film also has the most isotropic surface and exhibits the highest degree of heterogeneity. Also, despite the decrease in surface roughness with increasing temperature from 500 to $$550 \,^\circ{\text{C}}$$ 550 ∘ C , the fractal dimension tends to increase. The static water contact angle measurements indicate that the film annealed at $$500 \,^\circ{\text{C}}$$ 500 ∘ C exhibits higher hydrophobicity, which can be attributed to its greater topographic roughness. Our research indicates that the surface morphology of FTO/ZnS bilayer thin films is influenced by the annealing temperature. Changing factors such as roughness, fractality, and wettability parameters to help improve surface performance make the FTO/ZnS bilayer suitable for application in electronic and solar systems.

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Investigation of the influence of Al layer and total film thicknesses on structural and related magnetic properties in sputtered Ni/Al multilayer thin films

Kaplan,

Kuru,

Köçkar

2024

J Mater Sci: Mater Electron

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The effects of parameters of Al layer thickness and total film thickness on the structural and related magnetic properties of Ni/Al multilayer films were investigated. The films were deposited by a dual sputtering. The Ni content decreased gradually while the Al content increased as the Al layer thickness increased. It was also observed that the total film thickness had little effect on the film content. All films have a face-centred cubic structure. And, the surface morphology of Ni/Al films is more uniform and homogeneous than the surface of Ni film. For magnetic analysis, the properties were strongly changed with the parameters. The saturation magnetisation, Ms of Ni film was obtained as 572 emu/cm3 while the Ms of the Ni/Al films decreased from 441 to 298 emu/cm3 with increasing Al content in the films caused by the Al layer thickness. And, the increase of total film thickness resulted in a decrease of Ms value. While the coercivity, Hc value of the Ni film was 90 Oe, Hc of Ni/Al films was decreased to ~ 39 Oe with the formation of multilayer structure. Ni/Al multilayers were obtained magnetically softer than the Ni film. The Ms and Hc values were significantly affected by the variation of the film content and crystal structure caused by the changes in deposition parameters. Therefore, this is a fundamental step for Ni/Al multilayers to improve the properties of these films for their potential applications in microelectronic devices.

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Advances of Nanoparticles and Thin Films

Abstract: Nanoparticles and thin films are currently among the most active research fields in materials sciences for technological applications [...]

Cited by 4 publications

References 20 publications

Advances in Organic Multiferroic Junctions

Advances in Organic Multiferroic Junctions

Analysing the surface morphology of annealed FTO/ZnS bilayer films: stereometric, fractal, and wettability approaches

Investigation of the influence of Al layer and total film thicknesses on structural and related magnetic properties in sputtered Ni/Al multilayer thin films

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