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Relevant bibliographies by topics / Nanoparticles. Electromagnetic waves. Piezoelectricity

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Academic literature on the topic 'Nanoparticles. Electromagnetic waves. Piezoelectricity'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Nanoparticles. Electromagnetic waves. Piezoelectricity"

1

Sterligov, Valeriy A., and Matthias Kretschmann. "Scattering of surface electromagnetic waves by Sn nanoparticles." Optics Express 13, no. 11 (May 30, 2005): 4134. http://dx.doi.org/10.1364/opex.13.004134.

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García de Abajo, F. J. "Electromagnetic forces and torques in nanoparticles irradiated by plane waves." Journal of Quantitative Spectroscopy and Radiative Transfer 89, no. 1-4 (November 2004): 3–9. http://dx.doi.org/10.1016/j.jqsrt.2004.05.006.

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Miano, G., G. Rubinacci, and A. Tamburrino. "Numerical modelling of the interaction of nanoparticles with electromagnetic waves." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 26, no. 3 (June 19, 2007): 586–99. http://dx.doi.org/10.1108/03321640710751073.

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Zaid, Hasnah Mohd, Noor Rasyada Ahmad Latiff, Noorhana Yahya, Hasan Soleimani, and Afza Shafie. "Application of Electromagnetic Waves and Dielectric Nanoparticles in Enhanced Oil Recovery." Journal of Nano Research 26 (December 2013): 135–42. http://dx.doi.org/10.4028/www.scientific.net/jnanor.26.135.

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Enhanced oil recovery (EOR) refers to the recovery of oil that is left behind in a reservoir after primary and secondary recovery methods, either due to exhaustion or no longer economical, through application of thermal, chemical or miscible gas processes. Most conventional methods are not applicable in recovering oil from reservoirs with high temperature and high pressure (HTHP) due to the degradation of the chemicals in the environment. As an alternative, electromagnetic (EM) energy has been used as a thermal method to reduce the viscosity of the oil in a reservoir which increased the production of the oil. Application of nanotechnology in EOR has also been investigated. In this study, a non-invasive method of injecting dielectric nanofluids into the oil reservoir simultaneously with electromagnetic irradiation, with the intention to create disturbance at oil-water interfaces and increase oil production was investigated. During the core displacement tests, it has been demonstrated that in the absence of EM irradiation, both ZnO and Al2O3 nanofluids recovered higher residual oil volumes in comparison with commercial surfactant sodium dodecyl sulfate (SDS). When subjected to EM irradiation, an even higher residual oil was recovered in comparison to the case when no irradiation is present. It was also demonstrated that a change in the viscosity of dielectric nanofluids when irradiated with EM wave will improve sweep efficiency and hence, gives a higher oil recovery.

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Sadrara, Mahdiyeh, and MirFaez Miri. "Scattering of electromagnetic waves by a cluster of charged spherical nanoparticles." Journal of the Optical Society of America B 33, no. 12 (November 18, 2016): 2552. http://dx.doi.org/10.1364/josab.33.002552.

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Sterligov, V. A., P. Cheyssac, S. I. Lysenko, Y. El Fidali, R. Kofman, and A. Stella. "Influence of metal nanoparticles on electromagnetic surface waves and laser light scattering." European Physical Journal D 9, no. 1 (December 1999): 581–84. http://dx.doi.org/10.1007/s100530050504.

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Sterligov, V. A., P. Cheyssac, S. I. Lysenko, and R. Kofman. "Relationship between the scattering of homogeneous and evanescent electromagnetic waves by metallic nanoparticles." Optics Communications 186, no. 1-3 (December 2000): 27–33. http://dx.doi.org/10.1016/s0030-4018(00)01053-1.

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Ramazanov, MA, FV Hajiyeva, AM Maharramov, and HM Mamedov. "Microwave absorption of polymer nanocomposites on the base high-density polyethylene and magnetite nanoparticles." Journal of Elastomers & Plastics 51, no. 2 (April 12, 2018): 130–42. http://dx.doi.org/10.1177/0095244318768652.

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In this article, we report about the synthesis of magnetic polymer nanocomposites comprising magnetite (Fe3O4) nanoparticles in a polyethylene (PE) matrix. The structure and composition of nanocomposite materials using scanning electron microscopy and atomic force microscopy have been studied. It has been defined that the agglomeration of nanoparticles does not occur, by increasing the volume content of nanoparticles up to 60%, and Fe3O4 nanoparticles act out like single-domain particles. It has also been revealed that nanocomposites based on PE + Fe3O4 with nanoparticle content in a polymer matrix up to 60% behave like superparamagnetic particles. It has also been revealed that the PE + Fe3O4-based nanocomposites effectively absorb the electromagnetic waves in the high frequency range of 0.1–30 GHz. It is shown that the properties of ultrahigh electromagnetic waves can be varied by varying the thickness of the nanocomposite films and the concentration of Fe3O4 nanoparticles.

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El-kaliuoby, Mai I., Alaa M. Khalil, Ahmed M. El-Khatib, and Nader Shehata. "Antibacterial Synergism of Electrospun Nanofiber Mats Functioned with Silver Nanoparticles and Pulsed Electromagnetic Waves." Polymers 13, no. 2 (January 15, 2021): 277. http://dx.doi.org/10.3390/polym13020277.

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The over-reliance on antibiotics and their enormous misuse has led to warnings of a future without effective medicines and so, the need for alternatives to antibiotics has become a must. Non-traditional antibacterial treatment was performed by using an aray of nanocomposites synergised with exposure to electromagnetic waves. In this manuscript, electrospun poly(vinyl alcohol) (PVA) nanofiber mats embedded with silver nanoparticles (Ag NPs) were synthesized. The nanocomposites were characterized by Transmission Electron Microscope (TEM), Scanning Electron Microscope (SEM), Current-Voltage (I-V) curves, and Thermogravimetric analysis (TGA) along with analysis of antibacterial impact against E. coli and S. aureus bacteria, studied by bacterial growing analysis, growth kinetics, and cellular cytotoxicity. The results indicated a spherical grain shape of silver of average size 20 nm and nanofibers’ mean diameter of less than 100 nm. The nanocomposite mats showed good exposure to bacteria and the ability to sustain release of silver for a relatively long time. Moreover, the applied electromagnetic waves (EMWs) were shown to be a synergistic co-factor in killing bacteria even at low concentrations of Ag NPs. This caused pronounced alterations of the bacterial preserved packing of the cell membrane. Thereby, the treatment with nanocomposite mats under EM wave exposure elucidated maximum inhibition for both bacterial strains. It was concluded that the functioning of nanofiber with silver nanoparticles and exposure to electromagnetic waves improved the antibacterial impact compared to each one alone.

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Yadav, Raghvendra Singh, Anju, Thaiskang Jamatia, Ivo Kuřitka, Jarmila Vilčáková, David Škoda, Pavel Urbánek, et al. "Superparamagnetic ZnFe2O4 Nanoparticles-Reduced Graphene Oxide-Polyurethane Resin Based Nanocomposites for Electromagnetic Interference Shielding Application." Nanomaterials 11, no. 5 (April 25, 2021): 1112. http://dx.doi.org/10.3390/nano11051112.

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Superparamagnetic ZnFe2O4 spinel ferrite nanoparticles were prepared by the sonochemical synthesis method at different ultra-sonication times of 25 min (ZS25), 50 min (ZS50), and 100 min (ZS100). The structural properties of ZnFe2O4 spinel ferrite nanoparticles were controlled via sonochemical synthesis time. The average crystallite size increases from 3.0 nm to 4.0 nm with a rise of sonication time from 25 min to 100 min. The change of physical properties of ZnFe2O4 nanoparticles with the increase of sonication time was observed. The prepared ZnFe2O4 nanoparticles show superparamagnetic behavior. The prepared ZnFe2O4 nanoparticles (ZS25, ZS50, and ZS100) and reduced graphene oxide (RGO) were embedded in a polyurethane resin (PUR) matrix as a shield against electromagnetic pollution. The ultra-sonication method has been used for the preparation of nanocomposites. The total shielding effectiveness (SET) value for the prepared nanocomposites was studied at a thickness of 1 mm in the range of 8.2–12.4 GHz. The high attenuation constant (α) value of the prepared ZS100-RGO-PUR nanocomposite as compared with other samples recommended high absorption of electromagnetic waves. The existence of electric-magnetic nanofillers in the resin matrix delivered the inclusive acts of magnetic loss, dielectric loss, appropriate attenuation constant, and effective impedance matching. The synergistic effect of ZnFe2O4 and RGO in the PUR matrix led to high interfacial polarization and, consequently, significant absorption of the electromagnetic waves. The outcomes and methods also assure an inventive and competent approach to develop lightweight and flexible polyurethane resin matrix-based nanocomposites, consisting of superparamagnetic zinc ferrite nanoparticles and reduced graphene oxide as a shield against electromagnetic pollution.

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Dissertations / Theses on the topic "Nanoparticles. Electromagnetic waves. Piezoelectricity"

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Song, Weidong. "Ultrasonically aided electrospray source for monodisperse, charged nanoparticles /." Thesis, Connect to this title online; UW restricted, 2008. http://hdl.handle.net/1773/9990.

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Fung, Kin-Hung. "Theoretical study of the plasmonic modes of metal nanoparticle arrays and their optical responses /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202008%20FUNG.

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Wang, Xiaojin. "The Development of an Integrated Simulation Model on Understandings on the Interaction between Electromagnetic Waves and Nanoparticles." TopSCHOLAR®, 2019. https://digitalcommons.wku.edu/theses/3150.

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To investigate the interaction between nanoparticles and electromagnetic waves, a numerical simulation model based on FEM was built in this thesis. Numerical simulation is an important auxiliary research method besides experiments. The optical properties of nanoparticles consist of scattering, absorption, and extinction, and in the case of nanoparticle suspension, the transmission is also involved. This thesis addressed two typical applications based on the established model, one was regarding the nanofluids for solar energy harvesting, and the other was regarding the optical properties of atmospheric soot. In the case of the nanofluids solar energy harvesting, the established model provided a convenient and rapid screening of potential nanoparticles and nanofluids candidates for solar energy harvesting. A core-shell structure nanoparticle, using Cu as the core material in a diameter of 90 nm coated with 5 nm thickness graphene, exhibited a better photothermal property under the solar radiation. In the second case regarding atmospheric soot, the established model provided an efficient method for understandings on the optical properties and warming effects of realistic soot particles. It was found that the sizes and material characteristics of soot, would greatly affect their scattering and absorption of light. Moreover, two submodels were introduced and integrated, which can better predict behaviors of real atmospheric soot involving their core-shell structures (moisture or organic condensates) and their fractal agglomerate structures. In conclusion, the established model helps to understand the interaction between nanoparticles and electromagnetic waves, which shows great potentials of wide applications.

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Rodriguez, Raul D., Evgeniya Sheremet, Tanja Deckert-Gaudig, Corinne Chaneac, Michael Hietschold, Volker Deckert, and Dietrich R. T. Zahn. "Surface- and tip-enhanced Raman spectroscopy reveals spin-waves in iron oxide nanoparticles." Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-168045.

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Nanomaterials have the remarkable characteristic of displaying physical properties different from their bulk counterparts. An additional degree of complexity and functionality arises when oxide nanoparticles interact with metallic nanostructures. In this context the Raman spectra due to plasmonic enhancement of iron oxide nanocrystals are here reported showing the activation of spin-waves. Iron oxide nanoparticles on gold and silver tips are found to display a band around 1584 cm−1 attributed to a spin-wave magnon mode. This magnon mode is not observed for nanoparticles deposited on silicon (111) or on glass substrates. Metal–nanoparticle interaction and the strongly localized electromagnetic field contribute to the appearance of this mode. The localized excitation that generates this mode is confirmed by tip-enhanced Raman spectroscopy (TERS). The appearance of the spin-waves only when the TERS tip is in close proximity to a nanocrystal edge suggests that the coupling of a localized plasmon with spin-waves arises due to broken symmetry at the nanoparticle border and the additional electric field confinement. Beyond phonon confinement effects previously reported in similar systems, this work offers significant insights on the plasmon-assisted generation and detection of spin-waves optically induced
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Book chapters on the topic "Nanoparticles. Electromagnetic waves. Piezoelectricity"

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Sterligov, V. A., P. Cheyssac, S. I. Lysenko, Y. El Fidali, R. Kofman, and A. Stella. "Influence of metal nanoparticles on electromagnetic surface waves and laser light scattering." In The European Physical Journal D, 581–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-88188-6_117.

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Ishihara, Yasutoshi, Tsuyoshi Kuwabara, and Naoki Wadamori. "Image Resolution and Sensitivity Improvements of a Molecular Imaging Technique Based on Magnetic Nanoparticles." In Electromagnetic Waves. InTech, 2011. http://dx.doi.org/10.5772/20262.

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Darwish, Mohamed. "Lightweight Nanocomposites Polymers for Shielding Application." In Nanotechnology in Aerospace and Structural Mechanics, 206–33. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7921-2.ch006.

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Electromagnetic waves can have serious effects on human health by long-term exposure. Developing lightweight materials with good electromagnetic radiation shielding (EMS) that could prevent interference is a high desire for protection. Nanocomposites polymers have a wide range of potential applications and offers suggested solutions in environmental and aerospace applications. This chapter will cover the current challenge in the reduction of electromagnetic wave by developing lightweight absorber material with a wide absorption frequency. A wide range of different nanocomposites polymers contain conductive fillers such as metal or magnetic nanoparticles and carbon-based materials will be discussed. In addition, EMS mechanisms of reflection, absorption, and multiple reflections will be discussed. The unique of the chemical and physical properties of nanocomposites polymers are promising for shielding with low-cost environmentally friendly material.

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Darwish, Mohamed. "Lightweight Nanocomposites Polymers for Shielding Application." In Research Anthology on Reliability and Safety in Aviation Systems, Spacecraft, and Air Transport, 554–75. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5357-2.ch021.

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Electromagnetic waves can have serious effects on human health by long-term exposure. Developing lightweight materials with good electromagnetic radiation shielding (EMS) that could prevent interference is a high desire for protection. Nanocomposites polymers have a wide range of potential applications and offers suggested solutions in environmental and aerospace applications. This chapter will cover the current challenge in the reduction of electromagnetic wave by developing lightweight absorber material with a wide absorption frequency. A wide range of different nanocomposites polymers contain conductive fillers such as metal or magnetic nanoparticles and carbon-based materials will be discussed. In addition, EMS mechanisms of reflection, absorption, and multiple reflections will be discussed. The unique of the chemical and physical properties of nanocomposites polymers are promising for shielding with low-cost environmentally friendly material.

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Madhu, B. J., Mohammed Irfan, A. Manjunath, N. P. Divya, S. S. Mahesh, and B. Shruthi. "Influence of Zinc Oxide Nanoparticles on the Optical, Dielectric and Electromagnetic Interference Shielding Performance of Polystyrene Films." In Research Anthology on Synthesis, Characterization, and Applications of Nanomaterials, 1080–92. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-8591-7.ch044.

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In the present work, Zinc oxide (ZnO) nanoparticles are synthesized using solvothermal technique. Polystyrene-ZnO (PS/ZnO) nanocomposite films are synthesized by solution casting procedure. PS/ZnO films are analyzed by XRD, FTIR and UV-Vis spectroscopic techniques. The addition of ZnO into the PS film is found to decrease the optical band gap (OBG) from 4.07 eV to 1.86 eV. Frequency dependence of dielectric constant (ε′), loss tangent (tanδ), ac conductivity (σac) and electromagnetic (EM) interference shielding effectiveness (SE) studies have been undertaken on the pure PS and PS/ZnO films. Insertion of ZnO into pure PS polymer matrix is found to enhance ε′, tanδ, σac, and SE considerably. The ε′ and tanδ were reduced with an enhancement in the frequency. σac of PS/ZnO nanocomposites was enhanced with rise in frequency and electrical conduction process in PS/ZnO film is in agreement with an electron-hopping model. EM interference SE is reduced with rise in the frequency. PS/ZnO films were proven as a favorable functional substance for the absorbing of EM waves at lower frequencies.

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Pau, Jose Luis, Antonio García Marín, María Jesús Hernández, Manuel Cervera, and Juan Piqueras. "Analysis of Plasmonic Structures by Spectroscopic Ellipsometry." In Research Perspectives on Functional Micro- and Nanoscale Coatings, 208–39. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-5225-0066-7.ch008.

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This chapter focuses on the plasmonic effects that appear in the ellipsometric functions and the pseudodielectric function when metal thin films and nanoparticles are analyzed by spectroscopic ellipsometry in the visible, near infrared and ultraviolet regions of the electromagnetic spectrum. The chapter is structured in two large sections. The first section reviews the basics of total internal reflection ellipsometry (TIRE), based on the excitation of surface polaritons in metal thin films. The conditions required to excite polaritons in TIRE systems are analyzed along with the main characteristics of those electromagnetic waves. The second section of the chapter is devoted to study the optical properties of plasmonic resonances in nanostructures and the characteristics introduced in the dielectric functions. The treatment of optical anisotropies and Fano resonances in the ellipsometric models is discussed. The last section of the chapter reviews the state of the art of the technique in biosensing applications.

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Conference papers on the topic "Nanoparticles. Electromagnetic waves. Piezoelectricity"

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Zhang, Ying-hong, Bin Wang, Ting Wang, and Zheng-hua Qian. "Multifield simulation and experiment of electromagnetic acoustic transducers." In 2017 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA). IEEE, 2017. http://dx.doi.org/10.1109/spawda.2017.8340323.

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Vysulin, S. A., A. L. Kevraletrin, and N. E. Syr'iev. "The influence of composition of nanoparticles on the microwave absorbing properties of granular film structures." In 2017 Radiation and Scattering of Electromagnetic Waves (RSEMW). IEEE, 2017. http://dx.doi.org/10.1109/rsemw.2017.8103594.

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Latiff, Noor Rasyada Ahmad, Noorhana Yahya, Hasnah Mohd Zaid, and Birol Demiral. "Novel enhanced oil recovery method using dielectric zinc oxide nanoparticles activated by electromagnetic waves." In 2011 National Postgraduate Conference (NPC). IEEE, 2011. http://dx.doi.org/10.1109/natpc.2011.6136450.

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alkhair, Shahad, Deepalekshmi Ponnamma, Abdulla Aljanahi, and Abdulla AlNasr. "Smart and Robust Nanocomposite Fibers for Self-Powering." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0053.

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Many of the devices, demands power sources for their continuous and long-term operations, selfpowering devices with good flexibility, mechanical robustness, highly efficient energy storage performance and environmental friendliness are investigated. Polyvinylidene fluoride hexafluoropropylene (PVDF-HFP) is used as the base polymer in our study. Hybrid combination of nanoparticles –iron oxide (FeO) and titanium dioxide (TiO2) is used to reinforce with the polymer and the electrospinning method was adopted for the sample preparation. This specific method helps the polymer dipoles to align in specific directions so that the resultant fibers exhibit remarkable piezoelectric property. Other than studying the crystallinity and morphology, the energy storage of the material is also investigated, and correlated with the output voltage generation. The research results shows improve in the crystallinity structure of the hybrid nanocomposite thus enhanced piezoelectricity. In addition, it shows improved dielectric constant of the hybrid nanocomposite thus improving storage capabilities of the developed material. Additional researches could be directed to test the ability of the developed hybrid nanocomposite to absorb electromagnetic radiation. In addition, investigating self-cleaning properties due to the presence of TiO2 nanoparticles can be a good study. The established material can be used in numerous applications such as smart electronic textiles, biomedical applications, and artificial intelligence.

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