Relevant bibliographies by topics / Lanthanum oxide (La2O3)

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Lanthanum oxide (La2O3)'

Author: Grafiati
Published: 16 November 2024

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Journal articles on the topic "Lanthanum oxide (La2O3)"

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Karthikeyan.S and Selvapandiyan.M. "Facile synthesis of nanoplates and nanoflower shaped La2O3 nanostructures by Reflux Route." INTERNATIONAL JOURNAL OF SCIENCE TECHNOLOGY AND HUMANITIES 2, no. 2 (2015): 95–98. http://dx.doi.org/10.26524/ijsth64.

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Lanthanum Oxide (La2O3 ) nanoparticles are successfully synthesized by simple reflux method using starting materials Lanthanum Nitrate and Urea. Lanthanum Oxide (La2O3 ) have multiple applications such as gas sensors, catalyst, Hydrogen storage, catalysts, photocatalytic wet oxidation etc. This paper mainly focuses on the synthesis of Lanthanum Oxide (La2O3 ) nanoparticles at different precursor concentration at different reaction time on the properties of the synthesized Lanthanum Oxide (La2O3) nanoparticles can be explored. The synthesized samples were calcinated 500ºC for 1hr. The Lanthanum
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Karthikeyan.s, Divya.j, Selvapandiyan.M, and Arumugam.J. "Synthesis of Nickel Oxide Thin Films via Sol Gel Route." INTERNATIONAL JOURNAL OF SCIENCE TECHNOLOGY AND HUMANITIES 2, no. 2 (2015): 99–101. http://dx.doi.org/10.26524/ijsth65.

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Lanthanum Oxide (La2O3) nanoparticles are successfully synthesized by simple reflux method using starting materials Lanthanum Nitrate and Urea. Lanthanum Oxide (La2O3) have multiple applications such as gas sensors, catalyst, Hydrogen storage, catalysts, photocatalytic wet oxidation etc. This paper mainly focuses on the synthesis of Lanthanum Oxide (La2O3) nanoparticles at different precursor concentration at different reaction time on the properties of the synthesized Lanthanum Oxide (La2O3) nanoparticles can be explored. The synthesized samples were calcinated 500ºC for 1hr. The Lanthanum Ox
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Samin, Samin, Suyanti Suyanti, Susanna Tuning Sunanti, and Wisnu Ari Adi. "Synthesis and Certification of Lanthanum Oxide Extracted from Monazite Sand." Indonesian Journal of Chemistry 20, no. 6 (2020): 1213. http://dx.doi.org/10.22146/ijc.44327.

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Synthesis and certification of lanthanum oxide extracted from monazite sand have been carried out. This research aimed to increase the added value of monazite sand and obtain the lanthanum oxide in-house certified reference material (CRM). Synthesis of lanthanum oxide consists of several stages, namely: monazite sand digestion, rare-earth elements hydroxide [REE(OH)3] precipitation, Ce separation, Nd separation, lanthanum oxalate precipitation, and calcination. Certification of lanthanum oxide was carried out by determining the average concentration of the oxides and its uncertainty from the s
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Han, Hong Jing, Yan Guang Chen, Cong Hao Xie, Dan Dan Yuan, Ying Chen, and Bao Hui Wang. "Influence of La2O3 on NOx Emission in Iron Ore Sintering." Advanced Materials Research 781-784 (September 2013): 2594–97. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.2594.

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NOx emission in coke combustion with and without La2O3 was investigated in a fixed bed quartz reactor. The effects of La2O3 loading and lanthanum oxide particle size on NOx emission were discussed. NOx emission was also studied by sintering pot tests with lanthanum oxide modified coke as sintering fuel. The results showed that lanthanum oxide was catalytically active in promoting not only coke combustion but also NOx reduction. In coke combustion experiments, NOx and CO emission decreased with increasing lanthanum oxide loading up to 2.0wt% and decreasing lanthanum oxide particle size (28~150μ
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Sun, Yunhan, Xiaoning Wang, Qingxiu Jia, and Jian Yang. "Study on Organic Modification of Lanthanum Oxide." Journal of Physics: Conference Series 2194, no. 1 (2022): 012032. http://dx.doi.org/10.1088/1742-6596/2194/1/012032.

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Abstract In this paper, lanthanum oxide was modified by silane coupling agent (KH560), titanate coupler NDZ-201 and dopamine hydrochloride (DP). The microstructure and chemical structure of modified La2O3 were characterized by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS), and the dispersion of modified lanthanum oxide in polypropylene (PP) was investigated. The results show that the three modifiers can improve the organic properties of lanthanum oxide, and the interfacial compatibility between dopamine modified La2O3 and PP is better than the other two modifier
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Upolovnikova, A. G., A. A. Babenko та L. A. Smirnov. "Equilibrium content of lanthanum in metal under the slag of СаО – SiO2 – La2O3 – 15 % Al2O3 – 8 % MgO system". Izvestiya. Ferrous Metallurgy 63, № 11-12 (2021): 946–51. http://dx.doi.org/10.17073/0368-0797-2020-11-12-946-951.

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Thermodynamic modeling results of lanthanum equilibrium content in metal under the slag of CaO – SiO2– La2О3– Al2O3– MgO system corresponding to chemical composition of 16 points of local simplex plan are presented using the HSC 8.03 Chemistry (Outokumpu) software package in combination with the simplex planning lattice method. In the work, slag is represented by CaO – SiO2– La2O3– – 15 % Al2O3– 8 % MgO oxide system in a wide range of chemical composition for temperatures of 1550 and 1650 °C, and metal contains 0.06 % C, 0.25 % Si, 0.05 % Al (in this expression and hereinafter in mass.%). The
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Upolovnikova, A. G., A. A. Babenko та L. A. Smirnov. "Equilibrium content of lanthanum in metal under the slag of СаО – SiO2 – La2O3 – 15 % Al2O3 – 8 % MgO system". Izvestiya. Ferrous Metallurgy 63, № 11-12 (2021): 946–51. http://dx.doi.org/10.17073/0368-0797-2020-11-12-946-951.

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Thermodynamic modeling results of lanthanum equilibrium content in metal under the slag of CaO – SiO2 – La2О3 – Al2O3 – MgO system corresponding to chemical composition of 16 points of local simplex plan are presented using the HSC 8.03 Chemistry (Outokumpu) software package in combination with the simplex planning lattice method. In the work, slag is represented by CaO – SiO2 – La2O3 – – 15 % Al2O3 – 8 % MgO oxide system in a wide range of chemical composition for temperatures of 1550 and 1650 °C, and metal contains 0.06 % C, 0.25 % Si, 0.05 % Al (in this expression and hereinafter in mass.%)
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Sun, Yunhan, Xiaoning Wang, Qingxiu Jia, and Jian Yang. "Preparation of modified rare earth lanthanum oxide/polypropylene nonwoven fabric by meltblown method." Journal of Physics: Conference Series 2194, no. 1 (2022): 012046. http://dx.doi.org/10.1088/1742-6596/2194/1/012046.

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Abstract Lanthanum oxide was organically modified with dopamine and blended with polypropylene, and then lanthanum oxide (La2O3)/polypropylene (PP) nonwovens were prepared by melt blown method. The nonwovens were characterized by FTIR, SEM, TG, mechanical properties and X-ray shielding. The experimental results show that the addition of modified La2O3 makes the fiber arrangement of PP nonwovens more densely arranged and improves the thermal stability of PP nonwovens. The higher the amount of La2O3, the better the X-ray shielding performance of composite nonwovens.
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Ganesh, Vanga, Thekrayat H. AlAbdulaal, Manal AlShadidi, et al. "Enhancement in the Structural, Electrical, Optical, and Photocatalytic Properties of La2O3-Doped ZnO Nanostructures." Materials 15, no. 19 (2022): 6866. http://dx.doi.org/10.3390/ma15196866.

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A lanthanum oxide (La2O3)-ZnO nanostructured material was synthesized in the proposed study with different La2O3 concentrations, 0.001 g to 5 g (named So to S7), using the combustion method. X-ray diffraction (XRD), scanning electron microscopy (SEM), and Fourier transformation infrared spectroscopy (FT-IR) were utilized for investigating the structure, morphology, and spectral studies of the La2O3- ZnO nanomaterials, respectively. The results obtained from previous techniques support ZnO’s growth from crystalline to nanoparticles’ fine structure by changing the concentrations of lanthanum oxi
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Balusamy, Brabu, Burcu Ertit Taştan, Seyda Fikirdesici Ergen, Tamer Uyar, and Turgay Tekinay. "Toxicity of lanthanum oxide (La2O3) nanoparticles in aquatic environments." Environmental Science: Processes & Impacts 17, no. 7 (2015): 1265–70. http://dx.doi.org/10.1039/c5em00035a.

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The study demonstrated the ecotoxic potential of lanthanum oxide nanoparticles on fresh-water aquatic microalgae Chlorella sp. and the crustacean Daphnia magna. Lanthanum oxide nanoparticles showed no toxic effects on algae and severe toxic effects on the crustacean. Results may play a vital role in the risk assessment process for exposure of lanthanum oxide nanoparticles in aquatic environments.
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Dissertations / Theses on the topic "Lanthanum oxide (La2O3)"

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Klettlinger, Jennifer Lindsey Suder. "Fischer-Tropsch Cobalt Catalyst Improvements with the Presence of TiO2, La2O3, and ZrO2 on an Alumina Support." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1333981467.

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Abbadi, Meryem. "Synthèse et caractérisation de solutions solides ZnO/CeO2 et CeO2/La2O3/ZnO pour la minéralisation photocatalytique du diclofénac de sodium en solution aqueuse." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAF019.

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La présence de résidus pharmaceutiques dans les milieux aquatiques est une préoccupation majeure. Parmi ceux-ci, le diclofénac de sodium est un anti-inflammatoire non stéroïdien détecté dans les eaux usées. Parmi les méthodes de traitement de ces eaux, la photocatalyse hétérogène constitue une méthode efficace et prometteuse. Comparé au TiO2, largement utilisé en photocatalyse, le ZnO est une alternative présentant une activité photocatalytique intéressante sous irradiation UV. Cependant, son activité photocatalytique est atténuée par une recombinaison de charge plus rapide et une mauvaise sép
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Blech, Vincent. "Analyse corrélée du plasma de pulvérisation et des films minces de La2O3 et de RuO2 pour les futurs transistors MOSFET." Paris 11, 2004. http://www.theses.fr/2004PA112040.

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Afin d'accroître la puissance de calcul et la rapidité des circuits intégrés, l'industrie de la micro électronique n'a cesse de miniaturiser les composants élémentaires logiques: les transistors à effet de champ (MOSFET). Cette miniaturisation conduit à une limitation fondamentale: sous 2 nm, le diélectrique de grille de SiO2 est fortement perméable aux courants tunnel. Une solution consiste à déposer des films plus épais d'un diélectrique à "forte permittivité" (e > 15). Nous avons étudié les propriétés physico-chimiques et électriques de films minces de La2O3 (e ~30) déposés par pulvérisa
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Book chapters on the topic "Lanthanum oxide (La2O3)"

1

Zhao, Yi. "Hygroscopic Tolerance and Permittivity Enhancement of Lanthanum Oxide (La2O3) for High-k Gate Insulators." In High-k Gate Dielectrics for CMOS Technology. Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646340.ch6.

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Conference papers on the topic "Lanthanum oxide (La2O3)"

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Yushkevich, Sergey, Oksana Korniienko, Olesia Pavlenko, Olena Olifan, Anatoliy Samelyuk, and Irina Subbota. "Interaction Cerium Oxide with Lanthanum and Neodium at 1500°C." 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/msse2023.028.

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The phase equilibria in the ternary system CeO2–La2O3–Nd2O were systematically studied at a temperature of 1500°C, covering the entire concentration range. No new phases were identified within the specified system. An isothermal section of the phase diagram for the CeO2–LaO2–Nd2O3 ternary system was constructed. The investigation revealed the formation of solid solutions, including cubic solid solutions with a fluorite-type structure F-CeO2, as well as solid solutions based on the hexagonal (A) and cubic (C) modifications of Ln2O3. The phase fields and crystal lattice periods of the formed pha
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Gao, W., C. Zhang, F. Lapostolle, H. Liao, C. Coddet, and V. Ji. "Synthesis of Lanthanum Silicates with Apatite-type Structure by Atmospheric Plasma Spraying." In ITSC2007, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. ASM International, 2007. http://dx.doi.org/10.31399/asm.cp.itsc2007p0756.

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Abstract The emergence of lanthanum silicate as an electrolyte is required to accelerate the development of synthesis techniques for intermediate temperature solid oxide fuel cells (ITSOFCs). Apatite-type oxide powders of La10(SiO4)6O3 have been elaborated through atmospheric plasma spraying (APS) using micro-scale mixtures of La2O3 and SiO2 powders. Granulometer and scanning electron microscopy analyses have indicated the result of high temperature reaction and rapid solidification in the evolution of multi-scale microstructure.
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Tekeli, S., B. Aktas, and S. Salman. "Synthesis and mechanical properties of lanthanum oxide (La2O3)doped 8 mol % yttria-stabilized cubic zirconia (8YSZ)." In 2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE). IEEE, 2012. http://dx.doi.org/10.1109/omee.2012.6464782.

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Karthikeyan, S., K. Dhanakodi, S. Surendhiran, P. Thirunavukkarasu, L. Arunraja, and P. Manojkumar. "Structural, morphological and optical properties of pure and Yttrium (Y) doped lanthanum oxide (La2O3) nanoparticles by sonochemical method." In INTERNATIONAL CONFERENCE ON ADVANCES IN MATERIALS, COMPUTING AND COMMUNICATION TECHNOLOGIES: (ICAMCCT 2021). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0070786.

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Friedrich, C. J., R. Gadow, and T. Schirmer. "Lanthane Aluminate—A New Material for Atmospheric Plasma Spraying of Advanced Thermal Barrier Coatings." In ITSC 2000, edited by Christopher C. Berndt. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.itsc2000p1219.

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Abstract One of the main application fields of the thermal spraying process are thermal barrier coatings (TBC). Today partially stabilised zirconia (YSZ or MSZ) is mainly used as TBC material. At temperatures above 1000°C, zirconia layers ages distinctively including shrinkage and microcrack formation. Therefore there is a considerable interest in TBCs for higher temperature application. In this paper lanthanum aluminate, a newly developed TBC material with long term stability up to 1400 °C, is presented. It ages significantly slower at these high temperatures than commercial zirconia based TB
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