Zobrazeno 1 - 10
of 257
pro vyhledávání: '"M. Sigalas"'
Autor:
Konstantinos Kaleris, Emmanouil Kaniolakis-Kaloudis, Nikolaos Aravantinos-Zafiris, Dionysios. T. G. Katerelos, Vassilis M. Dimitriou, Makis Bakarezos, Michael Tatarakis, John Mourjopoulos, Michail M. Sigalas, Nektarios A. Papadogiannis
Publikováno v:
Communications Materials, Vol 5, Iss 1, Pp 1-9 (2024)
Abstract Phononic crystals and acoustic metamaterials are expected to become an important enabling technology for science and industry. Currently, various experimental methods are used for evaluation of acoustic meta-structures, such as impedance tub
Externí odkaz:
https://doaj.org/article/48586779db8d4f9980058962165f9f96
Publikováno v:
Nanomaterials, Vol 14, Iss 23, p 1918 (2024)
In this work, the vibrational spectra of magnesium monochalcogenide nanoparticles were examined numerically. The calculations were performed with Density Functional Theory and the examined magnesium monochalcogenide nanoparticles were formed from an
Externí odkaz:
https://doaj.org/article/fbab1c58e2f845adb59e9b4d3ddf136a
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8967 (2024)
In this work, the attenuation of surface seismic waves from large-scale phononic metamaterials is numerically studied. The proposed metamaterials consist of rectangular trenches that form either I-shaped or T-shaped cavities embedded at the ground su
Externí odkaz:
https://doaj.org/article/d52003929c4d47f2813b0084500ab160
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:
Christina Stamou, Eleftheria Barouni, John C. Plakatouras, Michael M. Sigalas, Catherine P. Raptopoulou, Vassilis Psycharis, Evangelos G. Bakalbassis, Spyros P. Perlepes
Publikováno v:
Inorganics, Vol 11, Iss 9, p 356 (2023)
In an attempt to fill in the empty Zn position in the “Periodic Table” of 1-methylbenzotriazole (Mebta), reactions between Zn(II) sources and this ligand were carried out. The detailed synthetic studies provided access to complexes [ZnX2(Mebta)2]
Externí odkaz:
https://doaj.org/article/73af8d896f774616852e98519d610fe6
Publikováno v:
The Journal of Physical Chemistry C. 126:6815-6824
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d08183bf08deea0ffcb20789094a578
https://doi.org/10.1021/acs.jpcc.2c00789
https://doi.org/10.1021/acs.jpcc.2c00789
Publikováno v:
Building Acoustics. 29:203-220
In this work, a phononic metamaterial suitable for several sound attenuation applications is numerically and experimentally examined. The proposed structure consists of a combination of spheres in a face-centered cubic arrangement with rods that form
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3a41f51b9af4dd4d22d8276bb71905c
https://doi.org/10.1177/1351010x221078937
https://doi.org/10.1177/1351010x221078937
Akademický článek
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Akademický článek
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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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b786fd19a11832be6fc1c7559666414c
https://doi.org/10.1039/d0cp05780k
https://doi.org/10.1039/d0cp05780k