Ion-beam-induced upconversion
Web5 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 …
Ion-beam-induced upconversion
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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 … Web12 nov. 2015 · 1.72 MB 1 Subwavelength imaging through ion-beam-induced upconversion Data January 2024 Zhaohong Mi · Yuhai Zhang · Vanga Sudheer Kumar …
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. WebTime-resolved Z-scan measurements were employed to characterize energy transfer upconversion on the phosphate glass matrix, named PAN (P 2 O 5 –Al 2 O 3 –Na 2 CO 3), doped with increasing Nd 3+ concentrations. It was observed a linear dependence of the upconversion parameter with the dopant agent, which indicates the presence of a static …
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 … 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 …
WebThe mechanisms can be ion beam-induced photoluminescence or upconversion. For example, with incubated NdYF 4 :Yb/Tm nanoparticles, Mi et al. reported imaging …
Web18 okt. 2024 · In situ fluorophores were induced on polyvinyl alcohol (PVA) bulk materials by direct femtosecond laser writing. The generation of fluorophores was ascribed to localized laser-assisted carbonization. The carbonization of PVA polymers was confirmed through X-ray photoelectron spectroscopy analysis. The distinct fluorescence responses … importing technical hemp to usWebT1 - 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 importing tariffWeb16 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 … importing termbases into tms - youtubeWeb电子束诱导沉积 （Electron beam-induced deposition， EBID ）是一种使用电子束 分解 气相分子，从而在衬底上的特定位置实现沉积生长的技术。 电子束诱导沉积实验中的电子束常常由 扫描电子显微镜 提供。 这是因为扫描电子显微镜的电子束具有极高的空间精准度（可达 纳米 级别）；这也使得电子束诱导沉积具有生长出独立三维结构的潜能。 目录 1 实验流 … importing tables from excel to sqlWebIn order to reveal the enhancement mechanism of UCL induced Fig. 5 shows the schematic illustration of the lattice structure of by Cd2+ doping, the upconversion nature of the UCNPs without and hexagonal NaREF4 and Cd2+ doped NaREF4. importing tensorflow in spyderWeb12 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 ... importing tags into rslogix 5000Web13 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 … importing tasks into ms project from excel