Ion-beam-induced upconversion
WebThe model, based on propagation-rate equations of a laser system containing isolated ions and ion-pairs, is numerically solved by combining Runge-Kutta and full-vectorial finite … Web17 mei 2024 · The ions in a beam are produced by special instruments called ion sources. They gain speed when entering an electric field, which is produced in a particle accelerator, and are steered and focused by magnetic fields to travel in parallel trajectories inside a vacuum in a metal tube.
Ion-beam-induced upconversion
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Web14 jun. 2024 · 1. Introduction. This chapter elucidates the concept of low-energy/high-energy ion implantation and its key applications in materials science. Ion implantation is the interaction of energetic ion beam with solids. In this ion-solid interaction, ions penetrate through the materials and slow down to some extent into the materials due to ... Web1 mei 2024 · This work considers an upconverting material consisting of erbium ions (Er 3 +) doped into a TiO 2 thin film (TiO 2 :Er). The Er 3 + ions are able to absorb light at …
Webbeam was focused by a ×20 objective lens, ... ion at 977 nm enhances the upconversion emission from Er3+ impurities, 8. 1300 1400 1500 1600 0.005 0.010 0.015 0.020 0.025 0.030 0.035 ... [44]. Also, potential induced degradation (PID) of SC’s is frequently related to Na+ diffusion from soda-lime[60], and we believe enhanced glasses Web13 mrt. 2024 · We propose the use of an n-doped periodic AlN/GaN quantum cascade structure for the optical up-conversion of multiple near-infrared (near-IR) photons into deep-ultraviolet (deep-UV) radiation. Without applying an external bias voltage, the active region of such a device will (similar to an un-biased quantum cascade laser) resemble a …
WebThese accelerators usually have versatile ion sources which can generate ion beams from essentially the whole Periodic Table. So heavy ion beams are easy to produce, and are … WebBreakthroughs in medicine and bioimaging with up-conversion nanoparticles. Iman Rostami, 1, 2 Hamideh Rezvani Alanagh, 2 Zhiyuan Hu, 2, 3 Sarah H Shahmoradian 1 1 Laboratory of Biomolecular Research, Department of Biology and Chemistry, Paul Scherrer Institute, Villigen, PSI 5232, Switzerland; 2 CAS Key Laboratory of Standardization and …
Web7 feb. 2024 · The ability to synthesize high-quality hierarchical core/shell nanocrystals from an efficient host lattice is important to realize efficacious photon upconversion for applications ranging from bioimaging to solar cells. Here, we describe a strategy to fabricate multicolor core @ shell α-NaLuF4:Yb3+/Ln3+@CaF2 (Ln = Er, Ho, Tm) upconversion …
Web12 nov. 2015 · We experimentally observed that the ion beam can be used as a new form of excitation source to induce photon upconversion in lanthanide-doped nanocrystals. This … how to replace nozzle on beckett burnerWebion-beam-induced upconversion emission of Tm3þ at short wavelengths through energy transfer upconversion. To shed more light on the energy transfer between … how to replace norelco shaver headsWeb7 apr. 2024 · In this work, near-infrared light responsive upconversion nanoparticles TiO 2 /(Ca,Y)F 2:Tm,Yb were hydrothermally prepared for tumor control.Moreover, femtosecond laser was adopted to reduce particle size and aggregation of TiO 2 /(Ca,Y)F 2:Tm,Yb, as a strategy to enhance its dispersity. In vitro studies of the biocompatibility and tumor … how to replace nintendo switch joy stickWeb12 nov. 2015 · We experimentally observed that the ion beam can be used as a new form of excitation source to induce photon upconversion in lanthanide-doped nanocrystals. how to replace null values in postgresqlWeb13 mrt. 2012 · It is shown that the formation of excimer molecules is an important process. This paper summarizes various studies of particle beam induced light emission and presents the first results of a direct comparison of light emission induced by electron- and ion beam excitation. north beach mental health faxWeb12 nov. 2015 · We experimentally observed that the ion beam can be used as a new form of excitation source to induce photon upconversion in lanthanide-doped … how to replace n in notepad++Web7 dec. 2016 · A research team led by Prof Andrew BETTIOL from the Centre for Ion Beam Applications (CIBA) in the Department of Physics, NUS has constructed a system for … north beach md parade