2021
DOI: 10.15407/ujpe66.6.518
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Оптичні Характеристики Біметалевих Нанокуль

Abstract: В роботi одержано формулу для часу релаксацiї електронiв на поверхнi i проаналiзовано частотну залежнiсть електричної i магнiтної компонент поляризовностi двошарової металевої нанокулi. Максимуми поляризовностi вiдповiдають плазмонним резонансам ядра та оболонки. Розрахунки було проведено для бiметалевих наночастинок Ag–Au, Au–Ag та Ag–Al, розташованих у тефлонi. Продемонстровано можливiсть керування оптичними характеристиками бiметалевих наночастинок змiною їх морфологiї. Проведено розрахунки перерiзiв екстин… Show more

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Cited by 7 publications
(4 citation statements)
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References 31 publications
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“…The calculations for metal-graphene particle show that it is necessary either to move the particles inside the tumor or to use conglomerate of nanoparticles in order to achieve the heating which is sufficient for tumor necrosis [26]. At the same time, the calculations for the bimetallic nanoparticles indicate a strong overheating in their neighborhood, which makes their use impossible under the therapy of the malignant tumors [27,28]. Hence, the performance of similar calculations for Me@J particles is of great interest.…”
Section: The Results Of Calculations and Discussionmentioning
confidence: 99%
See 2 more Smart Citations
“…The calculations for metal-graphene particle show that it is necessary either to move the particles inside the tumor or to use conglomerate of nanoparticles in order to achieve the heating which is sufficient for tumor necrosis [26]. At the same time, the calculations for the bimetallic nanoparticles indicate a strong overheating in their neighborhood, which makes their use impossible under the therapy of the malignant tumors [27,28]. Hence, the performance of similar calculations for Me@J particles is of great interest.…”
Section: The Results Of Calculations and Discussionmentioning
confidence: 99%
“…where 𝐼 0 is the incident light intensity; 𝜆 is the environmental thermal conductivity; 𝑄 abs @ is the efficiency of absorption, which is determined by the relation [27]…”
Section: Basic Relationsmentioning
confidence: 99%
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“…As noted above, the density of the heat source Q is directly proportional to the absorption cross-section abs @ C . Thus, let us define it for a metal-graphene nanoparticle by calculating the imaginary part of its polarizability [24]…”
Section: Optical Characteristics Of Metal-graphene Nanoparticlesmentioning
confidence: 99%