Zobrazeno 1 - 10
of 86
pro vyhledávání: '"G Chronis"'
Autor:
Maria Tsarmpopoulou, Alexandros G. Chronis, Mihail Sigalas, Alkeos Stamatelatos, Panagiotis Poulopoulos, Spyridon Grammatikopoulos
Publikováno v:
Solids, Vol 3, Iss 1, Pp 55-65 (2022)
The present article examined the influence of size and periodicity of simulated gold (Au) nanoparticles (NPs) embedded in Nickel Oxide (NiO) matrix on localized plasmonic resonances (LSPRs). The scope of this work is to comparatively study the theore
Externí odkaz:
https://doaj.org/article/03d481b96ff84ace8c712ffbb6645aad
Publikováno v:
Nanomaterials, Vol 13, Iss 18, p 2589 (2023)
In this work, using Density Functional Theory (DFT) and Time Dependent DFT, the absorption spectrum, the optical gap, and the binding energy of scandium pnictogen family nanoparticles (NPs) are examined. The calculated structures are created from an
Externí odkaz:
https://doaj.org/article/3090f7d0ee024d6fbcc026d3ee79f2fc
Autor:
Alkeos Stamatelatos, Maria Tsarmpopoulou, Dimitrios Geralis, Alexandros G. Chronis, Vagelis Karoutsos, Dimitrios Ntemogiannis, Dionysios M. Maratos, Spyridon Grammatikopoulos, Mihail Sigalas, Panagiotis Poulopoulos
Publikováno v:
Photonics, Vol 10, Iss 4, p 408 (2023)
Plasmonic materials currently have a plethora of applications. How would a dielectric matrix, such as diblock copolymers, tune plasmonic properties? In this work, self-assembled gold nanoparticles were fabricated in medium vacuum conditions on heated
Externí odkaz:
https://doaj.org/article/b4339ba5c8b649b3bb3b9e7450906350
Publikováno v:
Physical Chemistry Chemical Physics. 23:1849-1858
Nanorods and nanodisks of Be, Mg, and Ca with different shapes and sizes have been theoretically studied. Stable structures have been identified and their electronic and optical properties have been thoroughly examined by means of Density Functional
Publikováno v:
Current Nanomaterials. 5:26-35
Background: ZnS nanoparticles (NPs) are attractive for quantum dots applications because they consist of abundant and non-toxic elements. Their major drawback is that they absorb in the UV region, ultimately limiting their applications. Objective: In
Autor:
A. G. Chronis, Alexandros Barnasas, Maria Tsarmpopoulou, Dimitrios Ntemogiannis, Dimitrios I. Anyfantis, Spyridon Grammatikopoulos, Mihail M. Sigalas, Panagiotis Poulopoulos
Publikováno v:
Coatings, Vol 11, Iss 893, p 893 (2021)
Coatings
Volume 11
Issue 8
Coatings
Volume 11
Issue 8
Ag/Pd multilayers and AgPd alloyed ultrathin films were deposited on Corning glass by magnetron sputtering. After being annealed in a furnace in air at 460 °C, self-assembled nanoparticles were formed. Localized surface plasmon resonances were obser
Publikováno v:
Materials Chemistry and Physics. 228:244-253
The electronic and optical properties of magnesium and aluminum hydride nanoparticles (NPs) have been examined using density functional theory (DFT) and time dependent DFT (TD-DFT). The absorption spectra (AS) of small size NPs obtained from selected
Autor:
Alexandros G. Chronis, Michael M. Sigalas, François Virot, Marc Barrachin, Emmanuel N. Koukaras, Aristides D. Zdetsis
Publikováno v:
Journal of Nuclear Materials. 566:153782
Publikováno v:
Materials Today Communications. 28:102622
In this work the structural and optical properties of magnesium monochalcogenide nanoparticles were numerically examined. The calculations were carried out by using Density Functional Theory and Time Dependent Density Functional Theory. All nanoparti
Publikováno v:
Solid State Communications. 332:114326
By trying to investigate the suitability of 2D and 3D group IV monochalgenides nanoparticles (NPs) as host materials in LiBs, we examine different type of geometries and calculate the Li binding energies of those structures. Calculations based on the