Academic literature on the topic 'Dysprosium dopant'

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Journal articles on the topic "Dysprosium dopant"

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Kadetova, A., O. Tokko, M. Palatnikov, I. Kulikovskaya, and S. Chistyakova. "STRUCTURAL STATE AND THE SECOND ORDER NONLINEAR OPTICAL CHARACTERISTICS OF LITHIUM NIOBATE CRYSTALS DOPED WITH RARE EARTH ELEMENTS." Transaction Kola Science Centre 15, no. 1 (2024): 201–6. https://doi.org/10.37614/2949-1215.2024.15.1.032.

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Theoretical calculations of the nonlinear optical susceptibility tensor components dij according to structural studies were carried out for lithium niobate crystals doped by low concentrations of rare earth elements (Lu, Sm, Tb, Er, Tm, Dy). The dopant concentrations ranged from 0.2 to 0.8 mol%. It was shown that the efficiency of conversion to the second harmonic depended on the type of dopant. The most noticeable increase of the nonlinear optical coefficient d33 was observed in a dysprosium-doped crystal.
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Alonso Sotolongo, A., T. R. Montalvo, and J. Zárate Medina. "Influence of the synthesis pathway upon the thermoluminescent response of gadolinium aluminate matrix phosphors." Journal of Physics: Conference Series 2726, no. 1 (2024): 012002. http://dx.doi.org/10.1088/1742-6596/2726/1/012002.

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Abstract The phosphors endowed with a glow curve have a peak much more intense than the others, sensitization to low doses, and a linear relationship between the thermoluminescent response and the dose, which are in demand in the dosimetry market. The gadolinium aluminate has been successfully used as a host lattice of phosphors with luminescent properties. Principally, the luminescent response of the said matrix has been improved by doping with rare earth ions. The thermoluminescent signal depends on the synthesis route because the defect density of a crystal is closely connected to the produ
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Abdel-Wahab, Fathy A., and Heba Abdel Maksoud. "The role of dysprosium ions as a dopant on linear and nonlinear optical dispersion parameters in a-Se thin film." Applied Chemical Engineering 4, no. 1 (2021): 23. http://dx.doi.org/10.24294/ace.v4i1.802.

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Thin films of un-doped and doped a-Se with Dysprosium rare-earth ions have been prepared by the thermal evaporation technique. The optical transmission spectra of the investigated films have been measured in a wide spectral range and used to calculate the linear optical constants together with the optical energy gap of studied films. The observed decrease in the values of the energy gap against the increase of the Dysprosium (Dy) content in a-Se films has been explained using Mott and Davis Model and in terms of electronegativity difference of the constituent atoms. Furthermore, the dispersion
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Pu, Y., W. Chen, S. Chen, and Hans T. Langhammer. "Microstructure and dielectric properties of dysprosium-doped barium titanate ceramics." Cerâmica 51, no. 319 (2005): 214–18. http://dx.doi.org/10.1590/s0366-69132005000300007.

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The substitution behavior and lattice parameter of barium titanate between solid_solubility with a dopant concentration in the range of 0.25 to 1.5 mol% are studied. The influences of dysprosium-doped fraction on the grain size and dielectric properties of barium titanate ceramic, including dielectric constant and breakdown electric field strength, are investigated via scanning electronic microscopy, X-ray diffraction and electric property tester. The results show that, at a dysprosium concentration of 0.75 mol%, the abnormal grain growth is inhibited and the lattice parameters of grain rise u
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Thongmee, N., Anucha Watcharapasorn, and Sukanda Jiansirisomboon. "Lead-Free Ferroelectric Material: Dysprosium Doped Bi4Ti3O12." Advanced Materials Research 55-57 (August 2008): 837–40. http://dx.doi.org/10.4028/www.scientific.net/amr.55-57.837.

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This study investigated fundamental of phase formation, crystal structure and calcination process for bismuth dysprosium titanate (Bi4-xDyxTi3O12; BDT) powders when x = 0, 0.25, 0.5, 0.75 and 1.0. BDT powders were prepared using a simple solid-state reaction on mixtures of reagent grade Bi2O3, Dy2O3 and TiO2 powders. The mixtures were calcined at temperature in the range of 500-800°C for 4 h at a heating/cooling rate of 5°C/min. Thermal characteristics of powders were studied using thermogravimetric/differential thermal analyses which indicated that the formation of Bi4Ti3O12 and Bi3Dy1Ti3O12
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Devi, L. Shantibala, L. Raghumani Singh, and Th Komol Singh. "Structural Characterization of CaF2: Dy Nanoparticles Synthesized by Simple Chemical Co-Precipitation Method." Journal of Scientific Research 66, no. 04 (2022): 132–38. http://dx.doi.org/10.37398/jsr.2022.660419.

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In this work, nanoparticles of dysprosium doped calcium fluoride (CaF2:Dy) has been prepared by Simple Chemical Co-Precipitation Method in which 0.05 mol of CaCL2 is used as the calcium ion source and 0.05 mol of NH4F as the fluoride ion source. 1 mol% of Dy2O3was used as the dopant. The synthesized nanoparticle samples was characterized by X- ray diffraction (XRD) and the crystallite size using the dominant (111) peak was found to be 56.09 nm. SEM image shows the presence of spherical shaped nanoparticles. The PL emissions bands are observed at 479 nm (blue emission peak) and 573 nm (yellow e
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Shang, P., G. Yang, I. P. Jones, et al. "Locating dysprosium dopant atoms in the Bi2Sr2CaCu2Oy unit cell: Direct-space chemical crystallography." Philosophical Magazine Letters 79, no. 9 (1999): 741–45. http://dx.doi.org/10.1080/095008399176805.

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Jayachandraiah, C., G. Krishnaiah, K. Sivakumar, and A. Divya. "Effect of dysprosium dopant on EPR, magnetic and electrical properties of ZnO nanoparticles." Journal of Materials Science: Materials in Electronics 29, no. 21 (2018): 18159–66. http://dx.doi.org/10.1007/s10854-018-9928-9.

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Dimple, P. Dutta, K. Tyagi A., and Sharma G. "Optical properties of sonochemically synthesized dysprosium doped CdO nanoparticles." Journal of Indian Chemical Society Vol. 87, Jan 2010 (2010): 23–28. https://doi.org/10.5281/zenodo.5775363.

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Chemistry Division, Materials Science Division, Bhabha Atomic Research Centre, Mumbai-400 085, India E-mail: dimpled@barc.gov.in, aktyagi@barc.gov.in&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Fax : 91-22-25590457 Manuscript received 15 July 2009, accepted 20 July 2009 The undoped and dysprosium-doped CdO nanoparticles were prepared by sonochemical method in aqueous media and characterized with X<strong>-</strong>ray diffraction (XRD), transmission electron microscopy (TEM)<strong>, </strong>UV-Vis diffuse reflectance spectrum, and photoluminescence spectra. The results of XRD Indic
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Aziz, Nofriady, Nizar Kamil Perwira, Kris Tri Basuki, et al. "Separation of Dysprosium (Dy) from Rare Earth Hidroxide Using Precipitation Methods." Materials Science Forum 1093 (July 21, 2023): 133–37. http://dx.doi.org/10.4028/p-66g8fw.

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The separation process of Dysprosium (Dy) from other Rare Earth Elements (REE) in monazite was carried out considering various applications of Dy in high purity. The Dy elements can be used as a dopant in Thermoluminescence Detector (TLD) crystals to monitor the personnel dose of radiation workers. The separation process of Dy is hard to do due to the similarity of the physical and chemical properties of all REE. This research was conducted to separate Dy by a precipitation process at a certain pH. The feed used is Rare Earth Hydroxide (REOH) concentrate from a monazite processing. The variati
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Dissertations / Theses on the topic "Dysprosium dopant"

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Tásler, Jan. "Příprava a vlastnosti transparentních polykrystalických keramických materiálů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-416665.

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The presented diploma thesis is focused on the preparation and properties of transparent polycrystalline ceramic materials based on Al2O3. Theoretically, the most important technological aspects of the processing of these materials are presented. Detailed attention is given to transparent Al2O3 polycrystalline ceramics doped with rare earth elements. The influence of microstructural parameters on the optical properties (represented by RIT) is investigated on Al2O3 samples doped and codoped with dysprosium, terbium and chromium. A significant effect of the average grain size on the light transm
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Book chapters on the topic "Dysprosium dopant"

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Ranjith Kumar, D. "Rare Earth Metals Doped ZnO Nanomaterials: Synthesis, Photocatalytic, and Magnetic Properties." In Materials Research Foundations. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903056-8.

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Zinc oxide (ZnO) nanomaterials have attracted increasing interest due to their unique properties. As part of this renewed interest in ZnO nanomaterials, researchers began seeking new strategies to engineer materials by doping rare earth metals on ZnO. This chapter provides a general overview of the techniques and strategies used for the synthesis of undoped and rare earth metals (Samarium, Gadolinium, Europium, Cerium, Neodymium, and Dysprosium) doped ZnO nanomaterials. In addition, optical, magnetic, and photocatalytic properties of these materials were discussed. Some key results are summari
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Conference papers on the topic "Dysprosium dopant"

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Chernov, Igor, Victor Romankov, Serhii Malykhin, Igor Kolodiy, and Olexandr Kalchenko. "Influence of MoO3 and HfO2 Particle Size on the Phase Composition and Density of Dysprosium Hafnate Pellets." In International Young Scientists Conference on Materials Science and Surface Engineering. Karpenko Physico-Mechanical Institute of the NAS of Ukraine, 2023. http://dx.doi.org/10.15407/msse2023.013.

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The results of studies of the influence of the MoO3 alloying additive, as well as HfO2 with different particle sizes on the phase composition and density of dysprosium hafnate pellets are presented. It is shown that the use of coarse HfO2 powder (ГФО-2 grade) with particles size from 1 to 100 µm does not lead to the achievement of high density of sintered pellets and the completeness of the dysprosium hafnate synthesis, since dysprosium oxide remains in the synthesized material at sintering temperature of 1650°C. The use of HfO2 manufactured by China Rare Metal Material with a crystallite size
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Jain, Richa, Vandna Luthra, and Shubha Gokhale. "Dysprosium doping induced correlated electrical and optical behaviour of magnetite nanoparticles." In INTERNATIONAL CONFERENCE ON PHOTONICS, METAMATERIALS & PLASMONICS: PMP-2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5120916.

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Curry, N., Wyszomir Janikowski, and N. Markocsan. "Impact of Impurity Content on the Sintering Resistance of Dysprosia and Yttria Stabilized Zirconia Thermal Barrier Coatings." In ITSC2013, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2013. http://dx.doi.org/10.31399/asm.cp.itsc2013p0557.

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Abstract Dysprosia stabilized zirconia (DySZ) is a promising candidate to replace yttria stabilized zirconia (YSZ) as a thermal barrier coating due to its lower inherent thermal conductivity. It is also suggested in studies that DySZ may show greater stability to high temperature phase changes compared to YSZ, possibly allowing for coatings with extended lifetimes. Separately, the impurity content of YSZ powders has been shown to influence high-temperature sintering behavior. By lowering the impurity oxides within the spray powder, a coating more resistant to sintering can be produced. This st
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Bose, Keerthana, Radhika Kesavan, and S. Deepa. "Effect of dysprosium doping on the structural and gas sensing properties of SnO2 thin films." In INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS: STAM 20. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0017283.

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Sheng, Liyuan, Chen Lai, Qiaoli Wang, Tingfei Xie, and Fang Yang. "Investigation on Trace Dysprosium and Boron Doping NiAl-based Eutectic Alloy Fabricated by Injection Casting." In 2014 International Conference on Materials Science and Energy Engineering (CMSEE 2014). WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814678971_0020.

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Kaur, Manpreet, Nandini Sharma, and Poonam Uniyal. "Effect of dysprosium doping on structural, dielectric and ferroelectric properties of PLZT (65/35) ceramics." In PROCEEDING OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN APPLIED PHYSICS AND MATERIAL SCIENCE: RAM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4810592.

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Kartikasari, D., A. Zulys, E. Hiswara, and N. Nuraeni. "Synthesis of thermoluminescence dosimeter (TLD) using calcium sulfate (CaSO4) with variations of dysprosium (Dy) and thulium (Tm) dopants." In PROCEEDINGS OF THE 3RD INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2017 (ISCPMS2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5064081.

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