Ion-beam-induced upconversion

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August undefined, 2024

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 WebUpconversion Nanoparticles: Stability, Surface Modification and Dye Sensitization

Study on the effect of re-deposition induced by ion beam …

Web17 nov. 2008 · We have analyzed the dynamics of the upconversion-induced delayed fluorescence for a model multicomponent organic system, in which high concentrations … Web9 dec. 2024 · However, the impact of the C-ion beam was almost the same as that of the 2D culture, ... X-ray and C-ion beams also induced G2/M arrest in 3D spheroids, wherein the percentage decreased compared to that in 2D. The sub G1 phase is representative of cell death, which is evaluated by the percentage of cells in the sub G1 phase. imeldatherinne

Tipping solutions: emerging 3D nano-fabrication/ -imaging …

Web12 apr. 2024 · Upconversion nanoparticles (UCNPs) are a unique class of lanthanide-ion-doped optical nanomaterials featuring a wealth of electronic transitions ... Yao, S. Enzymatic-induced upconversion photoinduced electron transfer for sensing tyrosine in human serum. Biosens. Bioelectron. 2016, 77, 957–962. [Google Scholar] ... 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 … Webbeam facilities depends on the target survival in conditions of intense radiation field and thermo-mechanical solicitations induced by the driving ion beam. Material property degradation due to ion- beam induced damage will limit target lifetim e, either by affecting target performance or, by reducing the material resilience. imelda shrek franchise

Crystals Free Full-Text Proposal for Deep-UV Emission from a …

Subwavelength imaging through ion-beam-induced upconversion.

WebAbstract. This paper reports a systematic analysis on the upconversion fluorescence from a Nd 3+-doped LaF 3 planar waveguide grown on (111) oriented CaF 2 substrates by molecular beam epitaxy. A spectroscopic study of upconversion emission has been carried out at low temperature. Web13 apr. 2024 · where \(n\) is the intensity-dependent refractive index \(n = n_{0} + n_{2} I\) in the medium that laser beam propagates and \(\lambda\) is the wavelength. The voltage influence in the refractive index can be compared with similar experiments in a graphical method [] where similar low voltage values were used.The measurement of the z-scan … imelda theatreWebendobj xref 287 64 0000000016 00000 n 0000002370 00000 n 0000002503 00000 n 0000002632 00000 n 0000002690 00000 n 0000002951 00000 n 0000003089 00000 n … imelda therine

"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 … " - Ion-beam-induced upconversion

Ion-beam-induced upconversion

Mechanically induced enhancement and modulation of upconversion …

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 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 …

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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 approach enables luminescence ...

Web6 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. WebPhoton upconversion (UC) is a process in which the sequential absorption of two or more photons leads to the emission of light at shorter wavelength than the excitation wavelength. It is an anti-Stokes type emission. An example is the conversion of infrared light to visible light.Upconversion can take place in both organic and inorganic materials, through a …

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 ... 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 …

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 …

Web13 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. list of non religious beliefsWeb13 apr. 2024 · The UCNPs-MB sensing system was implemented based on the color change of MB insertion into dsDNA and MB-induced upconversion fluorescence quenching, as shown in Scheme 1. The dsDNA obtained by PCR was specifically recognized by MB under the presence of Salmonella , resulting in a lighter color and lower absorbance of the … list of non starchy foods and vegetablesWeb22 aug. 2024 · First, the bottom electrode is patterned by using a standard optical lithography process, and then vertical Ar + ion milling is done to prepare the bottom electrode using an IBE system with 300 eV electron beam energy, 80 mA ion beam current, and 100 mA neutralization current under a 5.0×10-4 Pa background vacuum and a … imelda therinneWeb2 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 ... list of non teaching staff in schoolWeb5 aug. 2024 · However, for ion beam-sensitive materials such as halide perovskites, the ion beam milling process can easily cause decomposition and structure damage to the specimen. Here we investigate the influence factors of ion beam damage theoretically and experimentally, and successfully obtain the high-resolution transmission electron … list of non taxable income sarsWebBending strain induces strong enhancement and modulation of the upconversion emission in doped BTO thin films. Because the unshielded 3d 5 configuration of Mn 2+ is more … list of non taxable income irsWeb2016: A scheme for generating transient photonic crystals for high-power lasers involving matching counterpropagating laser beams in a plasma in the sc-SBS regime is proposed.13 An experimental demonstration of a plasma wave plate based on laser-induced birefringence is reported, in which a large-spot-size, low-intensity (I = 10 13 W/cm 2) … imelda tanoto wedding