Amorphous Ge-Sb-Se-Te chalcogenide films fabrication for potential environmental sensing and nonlinear photonics

Autor: Tomáš Halenkovič, Marion Baillieul, Jan Gutwirth, Petr Němec, Virginie Nazabal

Publikováno v: Journal of Materiomics, Vol 8, Iss 5, Pp 1009-1019 (2022)

Quaternary Ge-Sb-Se-Te chalcogenide thin films were fabricated by rf magnetron sputtering from Ge19Sb17Se64−xTex (x = 5, 10, 15, 20) sputtering targets in order to select appropriate compositions for infrared sensor and optical nonlinear applicatio

Externí odkaz: https://doaj.org/article/610cf5fac2e44252b5e0fd51880ae4ea

Comprehensive study of photoinduced changes kinetics in ternary Ge-Sb-Se chalcogenide thin films

Autor: Tomas Halenkovic, Magdaléna Kotrla, Jan Gutwirth, Petr Nemec, Virginie Nazabal

Publikováno v: Conference on Photosensitive Materials and their Applications II Part of SPIE Photonics Europe Conference
Conference on Photosensitive Materials and their Applications II Part of SPIE Photonics Europe Conference, Apr 2022, Strasbourg, France. pp.114-118, ⟨10.1117/12.2624143⟩

International audience; In this work, the kinetics of photoinduced changes in sputtered ternary Ge29Sb8Se63 chalcogenide thin films with different thicknesses is studied. The optical bandgap energy of virgin thin films is 1.87 +/- 0.02 eV and the ref

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efed929cbe765e5a500a279f8ca069c4
https://doi.org/10.1117/12.2624143

Insight into the photoinduced phenomena in ternary Ge-Sb-Se sputtered thin films

Autor: Tomáš Halenkovič, Magdaléna Kotrla, Jan Gutwirth, Virginie Nazabal, Petr Němec

Publikováno v: Photonics research
Photonics research, 2022, 10 (9), pp.2261-2266. ⟨10.1364/PRJ.460552⟩

The kinetics of photoinduced changes, namely, photobleaching and photodarkening in sputtered ternary Ge 29 Sb 8 Se 63 thin films, was studied. The study of time evolution of the absorption coefficient Δ α ( t ) upon room-temperature near-bandgap ir

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::531d0d34927530d8123e56f3da102a55
https://doi.org/10.1364/prj.460552

Laser Ablation Generation of Bismuth Selenide Clusters from Mixtures of Elements, Crystalline Bi

Autor: Govinda, Mandal, Ravi Madhukar, Mawale, Jan, Gutwirth, Petr, Němec, Josef, Havel

Publikováno v: Journal of the American Society for Mass Spectrometry. 31(1)

A bismuth-selenium system from mixtures of the powdered elements in various molar ratios and from Bi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ebb12eb3d8d10075ed43a31f24563b8e
https://pubmed.ncbi.nlm.nih.gov/32881513

Comparative study of Er3+-doped Ga-Ge-Sb-S thin films fabricated by sputtering and pulsed laser deposition

Autor: Virginie Nazabal, Florent Starecki, Simone Normani, Marek Bouška, Jean-Luc Adam, Petr Němec, Younes Messaddeq, Jean-Louis Doualan, Yannick Ledemi, Geoffrey Louvet, Jan Gutwirth, Emeline Baudet

Publikováno v: Scientific Reports
Scientific Reports, Nature Publishing Group, 2020, 10 (1), ⟨10.1038/s41598-020-64092-3⟩
Scientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)

Despite the renewed interest in rare earth-doped chalcogenide glasses lying mainly in mid-infrared applications, a few comprehensive studies so far have presented the photoluminescence of amorphous chalcogenide films from visible to mid-infrared. Thi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a651db4a598f901832be3b0a04ecc304
https://hal.archives-ouvertes.fr/hal-03060538