Academic literature on the topic 'Manganese Borate'

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Journal articles on the topic "Manganese Borate"

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Koshkina, Anastasia A., Tatiana V. Yaroslavtseva, Natalia V. Urusova, et al. "Lithium borates as a surface protective layer for lithium-manganese spinel." Electrochemical Energetics 24, no. 2 (2024): 88–102. http://dx.doi.org/10.18500/1608-4039-2024-24-2-88-102.

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The protective properties of the coating applied to the surface of lithium-manganese spinel (LiMn2O4), using the eutectic composition of Li2O : B2O3 = 47 : 53 (wt.) with the melting point of 650°C, were studied. The content of the eutectic lithium borate varied from 1% to 10%. The electrochemical behavior of the obtained materials in the cathode half-cells of lithium-ion battery was studied at room temperature. It was shown that an abnormally large decrease in the specific capacity of lithium-manganese spinel took place simultaneously with the stabilizing effect. The side chemical reactions th
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SIMON, S., I. ARDELEAN, M. PETEANU, M. POP, and R. STEFAN. "EPR STUDY OF Fe3+ AND Mn2+ DOPED AMORPHOUS AND CRYSTALLINE ALUMINUM BORATES." Modern Physics Letters B 14, no. 01 (2000): 1–6. http://dx.doi.org/10.1142/s0217984900000021.

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Amorphous and crystalline aluminum borates prepared by sol–gel method doped with iron and manganese were studied by electron paramagnetic resonance in order to determine the matrix effects on Fe3+ and Mn2+ environments during their consolidation by heat treatment up to 860°C. In amorphous matrices, after heat treatments up to 600°C, the Fe3+ environment is almost unaffected but the vicinity of Mn2+ ions is relatively strongly disordered. In partial crystalline alumina and aluminum borate samples, obtained after heat treatments applied at 860°C, the Fe3+ sites are subjected to completely differ
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Pasqualini, Leonard C., Martina Tribus, and Hubert Huppertz. "Expansion and adaptation of the M 5B12O25(OH) structure type to incorporate di- and trivalent transition metal cations." Zeitschrift für Naturforschung B 79, no. 1 (2024): 39–49. http://dx.doi.org/10.1515/znb-2023-0082.

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Abstract Five transition metal borates were synthesized in a Walker-type module under high-pressure/high-temperature conditions of 8–9 GPa and 800–1200 °C. They all exhibit the same interpenetrating, anionic borate network B12O26 16−, crystallizing in the space group I41/acd, and therefore show high similarities to the borates Ti5B12O26 and Ga5B12O25(OH). Cr5B12O25(OH) and V5B12O25(OH) are isotypic to Ga5B12O25(OH), whereas Mn5Mn0.83B12O26 and Fe5Fe0.14B12O24.3(OH)1.7 feature the partial occupation of an additional, cuboctahedral cavity in the structure. This is due to a partial reduction of t
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Vasantharani, P. "Spectroscopic Studies of Magnesium Manganese Borate Glasses." International Journal for Research in Applied Science and Engineering Technology 6, no. 1 (2018): 2078–82. http://dx.doi.org/10.22214/ijraset.2018.1325.

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Ding, Mei, George E. Cutsail III, Daniel Aravena, et al. "A low spin manganese(iv) nitride single molecule magnet." Chemical Science 7, no. 9 (2016): 6132–40. http://dx.doi.org/10.1039/c6sc01469k.

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Structural, spectroscopic and magnetic methods have been used to characterize the tris(carbene)borate compound PhB(MesIm)<sub>3</sub>MnN as a four-coordinate manganese(iv) complex with a low spin (S = 1/2) configuration.
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Harris, Joe P., Christian Reber, Hannah E. Colmer, et al. "Near-infrared 2Eg → 4A2g and visible LMCT luminescence from a molecular bis-(tris(carbene)borate) manganese(IV) complex." Canadian Journal of Chemistry 95, no. 5 (2017): 547–52. http://dx.doi.org/10.1139/cjc-2016-0607.

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The molecular bis-(tris(carbene)borate) manganese(IV) complex [{PhB(MeIm)3}2Mn](OTf)2 shows 2Eg → 4A2g luminescence at 828 nm in the solid state at 85 K; this wavelength is longer by approximately 100 nm than the wavelengths typically observed for manganese(IV) and chromium(III) doped solids and for molecular chromium(III) complexes. Weak luminescence is also observed from a LMCT excited state with an absorption maximum at 500 nm. This represents the first molecular manganese(IV) compound for which luminescence has been reported.
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Montreeuppathum, Amorntep, Pinit Kidkhunthod, Saroj Rujirawat, Rattikorn Yimnirun, Supree Pinitsoontorn, and Santi Maensiri. "Effect of borate glass network to electrochemical properties: Manganese-doped lithium borate glasses." Radiation Physics and Chemistry 170 (May 2020): 108677. http://dx.doi.org/10.1016/j.radphyschem.2019.108677.

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Klesko, Joseph P., James A. Bellow, Mark J. Saly, Charles H. Winter, Jaakko Julin, and Timo Sajavaara. "Unusual stoichiometry control in the atomic layer deposition of manganese borate films from manganese bis(tris(pyrazolyl)borate) and ozone." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 34, no. 5 (2016): 051515. http://dx.doi.org/10.1116/1.4961385.

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Neumair, Stephanie C., Lukas Perfler та Hubert Huppertz. "Synthesis and Characterization of the Manganese Borate α-MnB2O4". Zeitschrift für Naturforschung B 66, № 9 (2011): 882–88. http://dx.doi.org/10.1515/znb-2011-0903.

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The high-pressure manganese borate α-MnB2O4 was synthesized under high-pressure/hightemperature conditions of 6.5 GPa and 1100 ◦C in a modified Walker-type multianvil apparatus. The monoclinic compound is isotypic to α-FeB2O4, CaAl2O4-II, CaGa2O4, andβ -SrGa2O4 crystallizing with eight formula units in the space group P21/c (Z = 8) with the lattice parameters a = 712.1(2), b = 747.1(2), c = 878.8(2) pm, β = 94.1(1)◦, V = 0.466(1) nm3, R1 = 0.0326, and wR2 = 0.0652 (all data). The compound is built up from layers of “sechser” rings of corner-sharing BO4 tetrahedra that are interconnected to a t
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Neumair, S. C., L. Perfler, and H. Huppertz. "Synthesis and Characterization of the Manganese Borate alpha-MnB2O4." Zeitschrift für Naturforschung B 66 (2011): 0882. http://dx.doi.org/10.5560/znb.2011.66b0882.

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Dissertations / Theses on the topic "Manganese Borate"

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Abbali, Zineb. "Etude de la cristallisation de ferrites spinelles dans des verres borates." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376110731.

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OLIVEIRA, RENATO BARBOSA DE. "THEORETICAL STUDY OF CHARGE LOCALIZATION ON IRON AND MANGANESE HOMOMETALLIC OXO-BORATES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2005. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=7889@1.

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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Apresenta-se neste trabalho um estudo teórico da estrutura eletrônica das warwickitas homometálicas Fe2OBO3 e Mn2OBO3. Nesses materiais observou-se experimentalmente uma localização de cargas em sítios metálicos de coordenação octaédrica em temperatura ambiente. Este ordenamento se dá de maneira distinta em cada um dos compostos, e pode ser explicado por efeito Jahn-Teller (JT) na warwickita de manganês e uma possível repulsão eletrostática em Fe2OBO3. Neste trabalho, utilizamos o método de Huckel estendido (eHT) para e
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Barnawi, Bakr. "Reactions of Manganese Hydrides with Amine-Boranes and Fluoroalkenes." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42613.

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Organofluorine compounds find various applications ranging from pharmaceuticals to refrigerants, insecticides, high-value fluoropolymers and reagents in catalysis. However, the synthesis of organofluorine compounds depends on toxic chemicals such as hydrogen fluoride, chlorinated hydrocarbons, reactive F2 gas and environmentally persistent long-chain fluorosurfactants. Recently more sustainable, energy-efficient syntheses have been developed using base metal-catalyzed transformations of fluoroalkenes and the formation and functionalization of d6-8 fluorometallacycles. In this thesis, we use ma
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Le, Roux Barbara. "Etude des borates de métaux de transition en tant que matériaux d'électrode pour accumulateurs Lithium-ion." Caen, 2015. http://www.theses.fr/2015CAEN2025.

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Les borates LiMBO3 (M = Fe, Mn, Co) ont été synthétisés et optimisés pour être utilisés comme matériaux d’électrode positive dans les accumulateurs Li-ion. De nouvelles méthodes de synthèse, telles que la synthèse solvothermale, ont été développées afin de réduire la taille des particules pour augmenter la conductivité de ces matériaux dans le but d’améliorer leurs performances électrochimiques. Au vu des propriétés des matériaux considérés, le polymorphe basse température de LiMnBO3 a été plus largement étudié. La structure du cœur de ce matériau est conservée pendant le cyclage, cependant, l
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Ibarra, Palos Alejandro. "Nouveaux composés d'insertion du lithium : spinelles dérivés de LiMn2O4, oxydes de manganèse et borates de fer amorphes ; étude fondamentale et applications électrochimiques." Université Joseph Fourier (Grenoble), 2002. http://www.theses.fr/2002GRE10006.

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Lu, Connie Chih. "The Chemistry of Tris(phosphino)borate Manganese and Iron Platforms." Thesis, 2006. https://thesis.library.caltech.edu/2364/1/CCL_Thesis_Corrected.pdf.

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<p>The coordination chemistry of monovalent and divalent manganese complexes supported by the anionic tris(phosphino)borate ligand [PhBPiPr3] is presented. The halide complexes, [PhBPiPr3]MnCl and [PhBPiPr3]MnI, have been characterized by XRD, SQUID magnetometry, and EPR spectroscopy. The halide [PhBPiPr3]MnI serves as a precursor to manganese azide, alkyl, and amide species: [PhBPiPr3]Mn(N3), [PhBPiPr3]Mn(CH2Ph), [PhBPiPr3]Mn(Me), [PhBPiPr3]Mn(NH(2,6-iPr2Ph)), [PhBPiPr3]Mn(dbabh), and [PhBPiPr3]Mn(1-Ph(isoindolate)). Collectively, they represent an uncommon motif of low-coordinate polyphosphi
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Book chapters on the topic "Manganese Borate"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of manganese(II) complex with dihydro-bis(tetrazolyl)borate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54228-6_351.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of manganese(II) complex of bis (bismuthiol-1-yl)- borate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49202-4_634.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of manganese(II) chloride complex of potassium-hydrotris(5-nitroindolyl)borate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45972-0_286.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of manganese(II) chloride complex of potassium dihydrobis(5-nitroindolyl)borate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45972-0_285.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of manganese(II) chloride complex of potassium tetrakis(5-nitroindolyl)borate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45972-0_287.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of (bis-μ-O, O′-acetato)(2, 6-bis[bis(2-pyridylmethyl)amino)methyl]4-methylphenolato)iron(III)manganese(II)bis(tetraphenyl-borate)." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45972-0_357.

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SARNIGUET, A., and PH LUCAS. "Possible Role of Manganese in the Relation between Gaeumannomyces Graminis var. Tritici and Fluorescent Pseudomonas in the Development of Take-All (Abstract)." In Biotic Interactions and Soil-Borne Diseases. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-444-88728-3.50053-6.

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Conference papers on the topic "Manganese Borate"

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Kumar, P. D., V. Bhardwaj, and S. Lal. "BALLISTIC LIMIT EVALUATION OF A 5 MM STEEL PLATE AGAINST FRAGMENT SIMULATING PROJECTILE USING SINGLE STAGE PROPELLANT GUN." In 34th International Symposium on Ballistics. Destech Publications, Inc., 2025. https://doi.org/10.12783/ballistics25/37240.

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Steel Plate is used for protection against fragments in auxiliary units of the armament system. The Ballistic Limit (BL) of the protection plate must be evaluated. This study evaluated a 5 mm steel plate for its BL against a 0.22’ calibre Fragment Simulating Projectile (FSP) using a smooth bore single-stage propellant gun of 30 mm Caliber with the support of Nylon Sabot. The velocity of the fragment was varied by adjusting the charge mass of the propellant (NC 1140) from 18 to 28.75 g to get a velocity from 600 m/s to 933 m/s. IR-based velocity screens were used to measure the projectile strik
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