Ion-beam-induced upconversion

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WebBending 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 susceptible to crystal field changes, the introduction of an Mn 2+ ion further promotes the strain-induced modulation effect. 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 ...

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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 … http://www-naweb.iaea.org/napc/physics/meetings/TM52976.html highcliffe st mark primary school

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http://13900138.s21d-13.faiusrd.com/61/ABUIABA9GAAglfO5yQUot8LBxgU.pdf 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 … Web13 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 … how far is westerville oh from columbus

Thin film depth profiling by ion beam analysis - Analyst (RSC ...

Upconversion Nanoparticles: Stability, Surface Modification and …

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] ... WebBending 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 … highcliffe st mark school websiteWeb17 nov. 2008 · We have analyzed the dynamics of the upconversion-induced delayed fluorescence for a model multicomponent organic system, in which high concentrations … highcliff estate property for sale

"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 " - Ion-beam-induced upconversion

Ion-beam-induced upconversion

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. 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 …

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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 … 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 …

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 ... 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 …

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 … Web12 nov. 2015 · 1.72 MB 1 Subwavelength imaging through ion-beam-induced upconversion Data January 2024 Zhaohong Mi · Yuhai Zhang · Vanga Sudheer Kumar …

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 …

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. highcliffe st marks primaryWeb30 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, … highcliffe surf reportWebWe 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 … how far is west covina from los angelesWeb5 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 … highcliffe st mark term datesWeb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 … highcliffe st mark\u0027s schoolWebIn 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. highcliffe st marks m\u0026s school uniformWebWe experimentally observed that the ion beam can be used as a new form of excitation source to induce photon upconversion in lanthanide-doped nanocrystals. ... "Subwavelength imaging through ion-beam-induced upconversion," Nature Communications, Nature, vol. 6(1), pages 1-6, December. Handle: … highcliff estate