Ion-beam-induced upconversion

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Web7 mei 2007 · Two-color upconversion (UC) emissions with anomalous power dependence were observed in spectrally tailored rare-earth-ion-doped Zr O 2 nanocrystals. Single green and red UC radiation in the visible range was induced by 980 nm diode laser excitation in Zr O 2 : Er 3 + and Zr O 2 : Er 3 + + Yb 3 + nanocrystals, yielding quadratic and linear laser … Web1 aug. 2024 · In this work, we firstly report that one-photon absorption-based upconversion (oPUC) exhibits aggregation-induced emission enhancement (AIEE) based on …

Properties of ultraviolet phosphor for ion-beam-induced …

WebLanthanide-doped upconversion nanoparticles (UCNPs) (), which can optically convert a low-energy near-infrared beam into high-energy ultraviolet (UV) or visible photons, have facilitated photoactivation in lithography (), theranostics (), photoswitching (), optogenetics (), and optical memory ().Furthermore, UCNPs exhibit long-lived excited energy levels for … Web17 nov. 2008 · We have analyzed the dynamics of the upconversion-induced delayed fluorescence for a model multicomponent organic system, in which high concentrations … ontario water taking regulation

Study of upconversion in PCFs with high erbium concentration

Web2 dagen geleden · 待确认. 文献求助详情. 标题. Gd3+ ion induced UV upconversion emission and temperature sensing in Tm3+/Yb3+:Y2O3 phosphor. 相关领域. 荧光粉光子上转换分析化学（期刊）离子材料科学荧光功率密度兴奋剂发射强度紫外线激发光电子学光学化学发光功率（物理）电气工程 ... 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 … WebEffects of high concentration and clustering on the performance of erbium-doped silica waveguide amplifiers are numerically investigated. The 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-element methods; it allows the description … ontario waterfalls

Enhancing Solar Cell Efficiency Using Photon …

Infrared-laser-induced upconversion from Nd - NASA/ADS

WebWe 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 approach … Web18 nov. 2003 · Seeking Brightness in Molecular Erbium-Based Light Upconversion. Journal of the American Chemical Society 2024, Article ... Laser-Induced Heating in GdVO4: Yb3+/Er3+ Nanocrystals for Thermometry. ACS ... Impact of Sc3+-Modified Local Site Symmetries on Er3+ Ion Upconversion Luminescence in Y2O3 Nanoparticles. The … ionic radius of in3+Web18 jul. 2024 · 01:27. 2. Applications. 2.1. Materials science. This section introduces to the materials scientists, chemists, and physicists about the ion beam techniques for materials analysis, modification of materials, and development of new materials using ion beam. MeV ion beams for materials analysis techniques are being used as complementary … ontario water softener kitchener

"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

Ion-beam-induced upconversion

Web15 aug. 2011 · The dynamic response after pump switch-on of a 980 nm pumped-ring laser based on an active photonic crystal fiber with an Er3+ ion concentration of ≈1020 ions cm−3 was registered. Then a numerical… Expand Dynamic Characterization of Upconversion in Highly Er-Doped Silica Photonic Crystal Fibers 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 …

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Web7 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 … WebT1 - Energy-transfer-upconversion models, their applicability and breakdown in the presence of spectroscopically distinct ion classes: A case study in amorphous Al2O3:Er3+ AU - Agazzi, L. AU - Worhoff, Kerstin. AU - Pollnau, Markus. N1 - eemcs-eprint-23245 PY - 2013/4. Y1 - 2013/4

Web19 jul. 2024 · Photon upconversion represents a promising avenue to reduce the spectral mismatch losses limiting the efficiency of solar cells. Here we studied in detail the impact of inserting Yb3+/Er3+ codoped KY7F22 upconversion nanoparticles (UCNPs) into the different interfaces of a solution-processed mixed-cation lead mixed-halide perovskite … Webendobj xref 287 64 0000000016 00000 n 0000002370 00000 n 0000002503 00000 n 0000002632 00000 n 0000002690 00000 n 0000002951 00000 n 0000003089 00000 n …

Web19 okt. 2024 · Since amplifiers and lasers typically operate above room temperature due to pump-induced heating, the temperature dependence of the peak-absorption cross-section of the KYb0.57Gd0.43(WO4)2 is evaluated for the sample being heated from 20 °C to 170 °C, resulting in a measured reduction of peak-absorption cross-section at the transitions … Web16 feb. 2016 · “Ion Beam-Induced Spatio-temporal Structural Evolution of Matter: Towards New Quantum Technologies” will be hosted by University of Torino from 23 to 27 May 2016. This event is a follow-up to the IAEA Consultant Meeting “Radiation Damage in Nanostructures created by Ion Beams” held in December 2015 at the IAEA …

WebUltraviolet upconversion emissions of 246.2 and 252.8 nm from 6DJ levels of Gd3+ ions were observed in GdF3: 10% Yb3+, 0.7% Tm3+ nanocrystals under 980 nm excitation from a laser diode. The 6DJ levels of Gd3+ ions can be efficiently populated by energy transfer processes of Yb-->Tm-->Gd and Yb-->Gd. A six-photon upconversion process was …

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 … ionic radius of na+ in mmWeb6 apr. 2011 · Focused Ion Beam Induced Microstructural Alterations: Texture Development, Grain Growth, and Intermetallic Formation - Volume 17 Issue 3. Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websites. ontario water well databaseWebPenn alumnus in physics (BA, MS), current research scientist at the Georgia Tech Research Institute (GTRI). Main interests include neutral-atom and solid-state quantum computing, sensitive ... ontario watershed mapWeb30 okt. 2014 · To investigate ion beam effects on polyimide, pyromellitic dianhydride--oxydianiline films were exposed to He/sup 2 +/ ions in the energy range of 1.9 to 3.6 MeV, fluences of 0.25 to 3.0 x 10/sup 15/ ions/cm/sup 2/, and sample temperatures of 298 and 130 K. RBS, x-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, … ionic radius of mg+2Web11 apr. 2024 · Upconversion nanoparticles (UCNPs), which can convert near-infrared light to visible light, become possible through two-photon or multi-photon processes. To improve the luminescence intensity and energy conversion efficiency, Yin and co-workers presented a significantly increased upconversion luminescence by combining the band edge effect … ontario waterway cruises incWebWe 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 approach … ontario waterway cruises inc. orillia on ionic radius of neon