Relevant bibliographies by topics / Aluminium(III) oxide (Al²O³)

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

Academic literature on the topic 'Aluminium(III) oxide (Al²O³)'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Aluminium(III) oxide (Al²O³)"

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Stobierska, Ewa, Mirosław M. Bućko, Jerzy Lis, and Katarzyna Kuźmińska. "Colour Properties of Y2O3-Al2O3-Cr2O3 Pigments as a Result of Precursors Morphology." Advances in Science and Technology 68 (October 2010): 202–7. http://dx.doi.org/10.4028/www.scientific.net/ast.68.202.

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Double yttrium-aluminium oxide with perovskite structure (YAP) doped with chromium(III) ions seems to be a promising material for red pigments for new ceramic bodies and glazes. The aim of the present paper was to examine the influence of the precursors morphology on colour properties of the YAP pigments. Two kinds of aluminium hydroxide powders were used, fine- and coarse-grained. The fine Al(OH)3 powder was amorphous with D50=4.58 µm and the coarse one was crystalline gibbsite with D50=42.4 µm. It was stated that using of aluminium hydroxide powders of different morphology led to substantial
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Zhao, Jigang, Junjian Zeng, Xiaoguang Cheng, Lei Wang, Henghua Yang та Benxian Shen. "An Au–Cu bimetal catalyst for acetylene hydrochlorination with renewable γ-Al2O3 as the support". RSC Advances 5, № 22 (2015): 16727–34. http://dx.doi.org/10.1039/c4ra13648a.

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The bimetal catalyst gold(iii) chloride–copper(ii) chloride (AuCl<sub>3</sub>–CuCl<sub>2</sub>) was prepared with different gamma-aluminium oxide (γ-Al<sub>2</sub>O<sub>3</sub>) supports and its catalytic properties towards acetylene hydrochlorination were assessed in a fixed-bed reactor.
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Usri, Nur Ashikin, Wan Hamzah Azmi, Rizalman Mamat, and Khamisah Abdul Hamid. "Viscosity of Aluminium Oxide (Al2O3) Nanoparticle Dispersed in Ethylene Glycol." Applied Mechanics and Materials 660 (October 2014): 735–39. http://dx.doi.org/10.4028/www.scientific.net/amm.660.735.

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Researchers in applied thermal engineering found that nanofluid have potential as a heat transfer fluid with high level of enhancement in heat transfer process compared to conventional coolants. This study present investigation on viscosity for nanoparticles Aluminium Oxide (Al2O3) dispersed in ethylene glycol prepared using two step method. Viscosity measurement is conducted using Brookfield LVDV-III Viscometer at temperature ranging from 30 °C to 80 °C. Nanofluid is prepared using Al2O3 in 13 nm size at volume concentration ranging from 0.5 % to 2.0 %. The result indicates that viscosity for
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Dlamini, Caroline Lomalungelo, Lueta-Ann De Kock, Kebede Keterew Kefeni, Bhekie Brilliance Mamba, and Titus Alfred Makudali Msagati. "Novel hybrid metal loaded chelating resins for removal of toxic metals from acid mine drainage." Water Science and Technology 81, no. 12 (2020): 2568–84. http://dx.doi.org/10.2166/wst.2020.285.

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Abstract Iron (Fe), zirconium (Zr) and titanium (Ti) oxides nanoparticles were each embedded onto a weak acid chelating resin for support using the precipitation method to generate three hybrid adsorbents of hydrated Fe oxide (HFO-P), hydrated Zr oxide (HZO-P) and hydrated Ti oxide (HTO-P). This paper reports on the characterization, performance and potential of these generated nanoadsorbents in the removal of toxic metal ions from acid mine drainage (AMD). The optimum contact time, adsorbent dose and pH for aluminium (Al) (III) adsorption were established using the batch equilibrium technique
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Sun, Cuizhen, Jinwei Qiu, Zhibin Zhang, Taha F. Marhaba, and Yanhao Zhang. "Removal of Arsenite from Water by Ce-Al-Fe Trimetal Oxide Adsorbent: Kinetics, Isotherms, and Thermodynamics." Journal of Chemistry 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/8617219.

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Ce-Al-Fe trimetal oxide adsorbent was prepared. The morphology characteristics of the new adsorbent were analysed by the transmission electron microscope (SEM) method. The SEM results implied its ability in the adsorption of As (III). To verify the analyses, bench-scale experiments were performed for the removal of As (III) from water. In the experiments of adsorption, As (III) adsorption capacity of the trimetal oxide adsorbent was presented significantly higher than activated aluminium oxide and activated carbon. As (III) adsorption kinetics resembled pseudo-second-order adsorption mode. Whe
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Милинский, А. Ю., та С. В. Барышников. "Исследование фазовых переходов сегнетоэлектрика KIO-=SUB=-3-=/SUB=- в нанопористых матрицах на основе пленок Al-=SUB=-2-=/SUB=-O-=SUB=-3-=/SUB=-". Физика твердого тела 60, № 3 (2018): 543. http://dx.doi.org/10.21883/ftt.2018.03.45559.273.

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AbstractTemperature dependences of the linear permittivity ε' and the third harmonic amplitude γ_3ω of composites prepared by introducing ferroelectrics KIO_3 into matrices of porous aluminum oxide Al_2O_3 with pore sizes of 240 nm were studied. It is found that the IV → III and III → II structural transition temperatures of potassium iodide in Al_2O_3 pores decrease by 5 K and 24 K, respectively, with respect to bulk KIO_3. The measurements of the dielectric properties do not reveal V → IV and II → I phase transitions in the composite samples.
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Hanusova, Petra, and Ivo Dlouhy. "Reactions in Ternary System Al-B2O3-C during Mechanical Alloying." Materials Science Forum 891 (March 2017): 522–25. http://dx.doi.org/10.4028/www.scientific.net/msf.891.522.

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One possible route for producing the fine and homogenous distribution of hard particles in composite microstructure is the mechanochemical processing in which high-energy ball milling promotes the reaction in a mixture of reactive powders. This investigation aims to produce Al – B4C nanocomposite by reaction between aluminum, boron (III) oxide and graphite powder via a mechanochemical process. The effect of milling time and the ratio the balls to powder on this process were investigated. The face transformation ans structural evaluation were investigated means of X – Ray diffractometry (XRD) a
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Faulhaber, Sabine, Lars Loeffler, Jerry Hu, Edwin Kroke, Ralf Riedel, and Fred F. Lange. "Synthesis of nanocrystalline aluminum–gallium nitride (AlxGa1−xN; x = 0.1 to 0.5) with oxide precursors via ammonolysis." Journal of Materials Research 18, no. 10 (2003): 2350–58. http://dx.doi.org/10.1557/jmr.2003.0329.

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Oxygen-containing precursor systems for the synthesis of mixed aluminum–gallium nitride (AlxGa1−xN with x = 0.1 to 0.5) through ammonolysis (heat treatment under ammonia) were evaluated. Three different precursor systems were studied: (i) aluminum isopropoxide (aluminum sec-butoxide)/gallium isopropoxide hydrolyzed with excess water and cross-linked with 1,6-hexanediol, (ii) aluminum–gallium hydroxide coprecipitated from aluminum–gallium nitrate solution, and (iii) spray-dried aluminum–gallium nitrate solutions. The specimens were heat-treated between 700 °C and 1100 °C and were characterized
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Čapek, Karel, Tomáš Vydra, Mojmír Ranný, and Petr Sedmera. "Structures of hexa-O-acetylsucroses formed by deacetylation of sucrose octa-O-acetate." Collection of Czechoslovak Chemical Communications 50, no. 10 (1985): 2191–200. http://dx.doi.org/10.1135/cccc19852191.

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A fraction corresponding to hexa-O-acetylsucrose was isolated in 34% yield from the reaction mixture after deacetylation of sucrose octa-acetate by aluminium oxide impregnated by potassium carbonate. Its subsequent reaction with p-toluenesulfonyl chloride in pyridine provided crystalline 1',2,3,4,6,6'-hexa-O-acetyl-3',4'-di-O-p-toluenesulfonylsucrose (III). With triphenylphosphine-diethyl azodicarboxylate reagent, 2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl 1,6-di-O-acetyl-3,4-anhydro-β-D-lyxo-hexulofuranoside (VI) was obtained. Treatment of ditosyl derivative III with sodium methoxide followed
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Nakanishi, M., H. Okuya, and K. Nakajima. "Strength and Adhesion of Thin Aluminum Oxide Film Deposited on Iron Surface." Journal of Tribology 115, no. 4 (1993): 615–19. http://dx.doi.org/10.1115/1.2921684.

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The strength of deposited film and the adhesion between the film and the substrate were investigated with deposited aluminum oxide film on iron surface by scratching the surface with a diamond cone. Two types of samples were examined, one with oxide film deposited after cleaning the substrate surface by sputter etching, the other with the film deposited without any sputter etching. It was found that a law similar to Meyers’ for indentation hardness holds between the load and scratch width on the sample examined. These results suggest that by analyzing the scratch data the adhesion strength of
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Dissertations / Theses on the topic "Aluminium(III) oxide (Al²O³)"

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Junige, Marcel, Tim Oddoy, Rositsa Yakimovab, et al. "Atomic layer deposition of Al²O³ on NF³-pre-treated graphene." SPIE, 2015. https://tud.qucosa.de/id/qucosa%3A35188.

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Graphene has been considered for a variety of applications including novel nanoelectronic device concepts. However, the deposition of ultra-thin high-k dielectrics on top of graphene has still been challenging due to graphene's lack of dangling bonds. The formation of large islands and leaky films has been observed resulting from a much delayed growth initiation. In order to address this issue, we tested a pre-treatment with NF³ instead of XeF² on CVD graphene as well as epitaxial graphene monolayers prior to the Atomic Layer Deposition (ALD) of Al²O³. All experiments were conducted in vacuo;
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Santos, Júlio César dos. "Deposição e caracterização de filmes finos de GaAs e 'Al IND. 2''O IND. 3' para potencial utilizado em transistores /." Bauru : [s.n.], 2009. http://hdl.handle.net/11449/88451.

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Orientador: Luis Vicente de Andrade Scalvi<br>Banca: José Antonio Malmonge<br>Banca: José Humberto Dias da Silva<br>O Programa de Pós-Graduação em Ciência e Tecnologia de Materiais, PosMat, tem caráter institucional e integra as atividades de pesquisa em materiais de diversos campi da Unesp<br>Resumo: Neste trabalho foi realizada a deposição através da técnica de evaporação resistiva, de filmes finos de GaAs (arseneto de gálio) e de Al (alumínio) com posterior oxidação deste último, formando 'Al IND. 2''O IND. 3' (óxido de alumínio ou alumina) e a caracterização dos filmes de GaAs e da heteroe
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Chauvin, Camille. "Caracterisation d'oxydes de zinc et de catalyseurs de synthese du methanol cu-znal::(2)o::(4) : etude par spectroscopie infrarouge des sites d'adsorption et des mecanismes reactionnels." Caen, 1987. http://www.theses.fr/1987CAEN2017.

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Santos, Júlio César dos [UNESP]. "Deposição e caracterização de filmes finos de GaAs e 'Al IND. 2''O IND. 3' para potencial utilizado em transistores." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/88451.

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Made available in DSpace on 2014-06-11T19:23:28Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-08-24Bitstream added on 2014-06-13T20:50:23Z : No. of bitstreams: 1 santos_jc_me_bauru.pdf: 1909289 bytes, checksum: 46f1166eec4b53fcdc6e5fe6a3b31b70 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Neste trabalho foi realizada a deposição através da técnica de evaporação resistiva, de filmes finos de GaAs (arseneto de gálio) e de Al (alumínio) com posterior oxidação deste último, formando 'Al IND. 2''O IND. 3' (óxido de alumínio ou alumina) e a caracterizaçã
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OBADIA, BAROGHEL SYLVIA. "Frittage de melanges al::(2)o::(3) + sio::(2) gel pour moules de fonderie : developpement des microstructures et deformation a chaud." Paris, ENMP, 1987. http://www.theses.fr/1987ENMP0079.

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Etude du frittage reactif de melanges prepares a partir de la silice colloidale et l'alumine alpha entrant dans la composition des moules. Influence du temps, de la temperature et de la composition initiale sur l'affaissement des moules carapaces de fonderies pour la coulee/solidification dirigee des aubes de turbine des reacteurs d'avions
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Fíla, Jan. "Hledání fosfoproteinů účastnících se aktivace pylu tabáku in vitro." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-305610.

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5 Abstract Tobacco mature pollen rehydrates in vivo on a stigma tissue, and develops into the rapidly-growing pollen tube. This rehydration process is accompanied by the de-repression of stored mRNA transcripts, resulting in the synthesis of novel proteins. Furthermore, such metabolic switch is also likely to be regulated on the level of post-translational modifications of the already-present proteins, namely via phosphorylation, since it was shown to play a significant regulatory role in numerous cellular processes. Since only a minor part of proteins is phosphorylated in a cell at a time, th
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Book chapters on the topic "Aluminium(III) oxide (Al²O³)"

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Schweitzer, George K., and Lester L. Pesterfield. "The Boron Group." In The Aqueous Chemistry of the Elements. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195393354.003.0009.

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The elements which constitute the Boron Group of the Periodic Table are boron B, aluminum Al, gallium Ga, indium In, and thallium Tl. All five of the elements have atoms characterized by an outer electron structure of ns2np1 with n representing the principal quantum number. There are marked similarities in the elements, except for B whose small size and high charge density make it a non-metal. B evidences an oxidation state of III but shows no aqueous cation chemistry. The other elements all show cation chemistries involving an oxidation state of III, but the I oxidation state becomes progressively more stable until at Tl it is the predominant state. All ions in the group are colorless. Ionic sizes in pm are B+3(27), Al+3(53), Ga+3(62), In+3(80), Tl+3(89), and Tl+(150), with the B+3 value being hypothetical since B bonds only covalently. In line with the increasing sizes, the basicity of the oxides and hydroxides increases: H3BO3 or B(OH)3 is weakly acidic, M(OH)3 for Al, Ga, and In are amphoteric, and Tl(OH)3 or Tl2O3 is basic. The E° values in volts for the M(III)/M couples are as follows: H3BO3/B (−0.89), Al+3/Al (−1.68), Ga+3/Ga (−0.55), and In+3/In (−0.35). The E° value for the Tl+/Tl couple is −0.33 v. a. E–pH diagram. The E–pH diagram for 10−1.0 M B is presented in Figure 7.1. In the figure legend are equations which describe the lines which separate species. Considerably above the H3BO3/B line, the HOH≡H+/H2 line appears, which indicates that elemental B is thermodynamically unstable in HOH, but in practice B has a strong tendency to be non-reactive, vigorous treatment usually being required to oxidize it.
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Saito, S. "Lithium Aluminum Hydride with Cerium(III) Chloride for Reductive ­Dehalogenation and Reduction of Phosphine Oxides to Phosphines." In Compounds of Groups 13 and 2 (Al, Ga, In, Tl, Be...Ba). Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-007-00046.

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"PAA adsorption on aluminum oxide was found to decrease with an increase in pH (Figure 2). The adsorption is ligand-like and is identical with that noted by other investigators [10,11]. The adsorption shows a monotonie decline with increasing pH. A maximum of 90% adsorption was obtained at the lowest pH value. Similar adsorption curves were obtained in the adsorption of humic and fulvic acids on alumina [5]. The ligand exchange refers specifically to direct bond formation between a carboxylate group and a metal ion center of the surface (Al(III) this case). The adsorption trend observed in ligand-like adsorption results from competition for H+ by anions and the mineral surface and is characterized by the mineral pHzpc and the pKa of the sorbate [3]. PAA has an average pKa of 4.5 [11]. The surface sites of an aluminum oxide particle are protonated and positively charged at a pH value below the pHzpc (8.9 for the aluminum oxide used in this study; they are deprotonated and negatively charged at pH values higher than pHzpc. At lower pH PAA is negatively charged and therefore will be adsorbed strongly on the more energetic available positive A120 3 sites. With increasing pH, as the sites become negative, the PAA percentage adsorption decreases. The second step in this study is to analyze the Cd adsorption on A120 3 in the presence of PAA. The presence of a complexing ligand can enhance or decrease the extent of metal adsorption on oxides. The functionality and adsorptive properties of the ligand determine its effect on metal uptake. In the system containing both Cd(II) and PAA, the surface (aluminum oxide) and the ligand (PAA) compete for the metal ions. The differences in the adsorption of Cd(II) on aluminum oxide in the presence of PAA can be explained by." In Hazardous and Industrial Waste Proceedings, 30th Mid-Atlantic Conference. CRC Press, 2014. http://dx.doi.org/10.1201/9781498709453-114.

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Conference papers on the topic "Aluminium(III) oxide (Al²O³)"

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Rainforth, W. M. "Focused Ion Beam Studies of Worn Surfaces." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64396.

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Focused ion beam (FIB) microscopy has been available for over 20 years, but substantial improvements in recent years has delivered a powerful technique for the study of surface structures. Ion channeling contrast, produced by secondary electron emission from the Ga ion interaction with the surface is a high sensitivity, high resolution technique for revealing phase distributions and deformed structures. Moreover, the ion beam can be used to take sections of the worn surface for subsequently removal for TEM. Despite the major advantages of ion channeling contrast and 3-D sectioning, the techniq
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Sinha, Mangalika, R. K. Gupta, P. Dasilva, P. Mercere та Mohammed H. Modi. "Continuous optical constants (δ & β) spectra of aluminium oxide near Al L and O K-edge region". У DAE SOLID STATE PHYSICS SYMPOSIUM 2018. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5113046.

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Crane, Charles, Michelle Pantoya, and Jerry Dunn. "Quantifying Energy Transfer From a Reacting Thermite to a Target Using Infrared Diagnostics." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88156.

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A study was conducted to examine the energy transfer from a reacted thermite placed on a steel target substrate. A high speed infrared camera captured a temporally evolving thermal distribution on the substrate, while the thermite, which was placed in a v-notch, self propagated. The thermite investigated for this experiment was Aluminum with Iron (III) Oxide (Al-Fe2O3). An energy balance model was developed to predict temperatures near the v-notch in order to quantify the amount of energy transferred into the steel. Results quantified the percent of energy available from the reaction that was
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