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SM ISO690:2012 BRANISTE, Tudor, DRAGOMAN, Mircea L., ZHUKOV, Sergey, ALDRIGO, Martino, CIOBANU, Vladimir, IORDANESCU, Sergiu A., ALYABYEVA, L., FUMAGALLI, Francesco, CECCONE, Giacomo, RAEVSKY, Simion, SCHUTT, Fabian, ADELUNG, Rainer, COLPO, Pascal, GORSHUNOV, Boris, TIGINYANU, Ion. Aero-Ga2o3 nanomaterial electromagnetically transparent from microwaves to terahertz for internet of things applications. In: Nanomaterials, 2020, vol. 10, p. 0. ISSN 2079-4991. DOI: https://doi.org/10.3390/nano10061047 |
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Nanomaterials | |
Volumul 10 / 2020 / ISSN 2079-4991 /ISSNe 2079-4991 | |
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DOI: https://doi.org/10.3390/nano10061047 | |
CZU: [544.032+621.315.592]:004 | |
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In this paper, fabrication of a new material is reported, the so-called Aero-Ga2O3 or Aerogallox, which represents an ultra-porous and ultra-lightweight three-dimensional architecture made from interconnected microtubes of gallium oxide with nanometer thin walls. The material is fabricated using epitaxial growth of an ultrathin layer of gallium nitride on zinc oxide microtetrapods followed by decomposition of sacrificial ZnO and oxidation of GaN which according to the results of X-ray diffraction (XRD) and X-ray photoemission spectroscopy (XPS) characterizations, is transformed gradually in β-Ga2O3 with almost stoichiometric composition. The investigations show that the developed ultra-porous Aerogallox exhibits extremely low reflectivity and high transmissivity in an ultrabroadband electromagnetic spectrum ranging from X-band (8–12 GHz) to several terahertz which opens possibilities for quite new applications of gallium oxide, previously not anticipated. |
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Cuvinte-cheie Aero-Ga2O3, Electromagnetically transparent nanomaterial, Extremely low reflectivity, Ultra-porous nanomaterial, X-band and terahertz frequencies |
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<meta name="citation_title" content="Aero-Ga2o3 nanomaterial electromagnetically transparent from microwaves to terahertz for internet of things applications"> <meta name="citation_author" content="Braniste Tudor"> <meta name="citation_author" content="Dragoman Mircea L."> <meta name="citation_author" content="Zhukov Sergey"> <meta name="citation_author" content="Aldrigo Martino"> <meta name="citation_author" content="Ciobanu Vladimir"> <meta name="citation_author" content="Iordanescu Sergiu A."> <meta name="citation_author" content="Alyabyeva L."> <meta name="citation_author" content="Fumagalli Francesco"> <meta name="citation_author" content="Ceccone Giacomo"> <meta name="citation_author" content="Raevsky Simion"> <meta name="citation_author" content="Schutt Fabian"> <meta name="citation_author" content="Adelung Rainer"> <meta name="citation_author" content="Colpo Pascal"> <meta name="citation_author" content="Gorshunov Boris"> <meta name="citation_author" content="Tiginyanu Ion"> <meta name="citation_publication_date" content="2020/06/19"> <meta name="citation_journal_title" content="Nanomaterials"> <meta name="citation_pdf_url" content="https://ibn.idsi.md/sites/default/files/imag_file/nanomaterials_10-01047.pdf">