The structure morphology and magnetic properties of Sr
powder prepared by the molten-salt method. We have controlled the size morphology and magnetic properties of Sr-ferrite powder by regulating the pre-sintering temperature as well as the temperature and time adopted for annealing. We have emphasized the effect of the particle size D demagnetization factor N and magnetocrystalline anisotropy K
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Tuning the Morphology and Electronic Properties of Single
while the molten salt composition strongly influences the particle morphology. In Chapter 3 we explore the concept of utilizing LNMO as a tunable support for heterogeneous metal nanocatalysts where alteration of the support structure and electronics can have an influence on catalytic properties due to unique support effects.
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Molten salt synthesis and characterization of large size β
Sep 03 2010 · The results show molten salt species molten salt content and heating temperature have great effect on the crystal structure and morphology. The products were found to have a monoclinic structure and possess a uniform strip-like shape with different grain size.
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Effects of Molten Salt Synthesis (MSS) Parameters on the
The effect of molten salt composition-x wt NaCl and (100-x) wt KCl-on the amount of barium hexaferrite phase formation as well as on the morphology and magnetic properties of the final
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Facile molten salt synthesis of Cs–MnO 2 hollow
Nitrate salts of smaller ions like Li and Na tend to induce the formation of β-MnO 2 while the salts containing lager ions such as K promote the formation of α-MnO 2. 9 On the other hand a recent work reported that Na- K- and Cs-intercalated δ-MnO 2 with 2D morphology were obtained via a 1 minute molten salt synthesis using NaNO 3
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Probing Structure−Parameter Correlations in the Molten
Single-crystalline perovskite BaZrO 3 submicrometer-sized particles were synthesized using a simple scaleable molten salt method. In this paper in addition to a time-dependent particle evolution study we explored primarily the effects of different experimental processing parameters such as the identity of the salt annealing temperatures overall reaction times cooling rates and the
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The structure morphology and magnetic properties of Sr
powder prepared by the molten-salt method. We have controlled the size morphology and magnetic properties of Sr-ferrite powder by regulating the pre-sintering temperature as well as the temperature and time adopted for annealing. We have emphasized the effect of the particle size D demagnetization factor N and magnetocrystalline anisotropy K
Get PriceProbing Structure−Parameter Correlations in the Molten
Single-crystalline perovskite BaZrO 3 submicrometer-sized particles were synthesized using a simple scaleable molten salt method. In this paper in addition to a time-dependent particle evolution study we explored primarily the effects of different experimental processing parameters such as the identity of the salt annealing temperatures overall reaction times cooling rates and the
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Topochemical molten salt synthesis for functional
A topochemical molten salt synthesis (TMSS) method which is rapid and a modification of the molten salt synthesis method (MSS) to facilitate crystal growth with improved phase-purity and particle homogeneity is one of the strategic approaches aimed at a controllable morphology synthesis. The TMSS method i Global Energy Challenges Materials and Nanotechnology Top 50 Articles of 2016
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Effect of Salinity Stress on the Morphology and Physiology
Salt tolerant plants exhibit the mechanism of ion compartment in vacuoles salt resistance at genetic level and by the accumulation of compatible solutes in the cytoplasm. 25 The increased accumulation of carbohydrates glucose sucrose fructose and decrease in the content of starch with increased salinity was observed in all the five species of Coleus indicating the plant tolerance to stress
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Morphology control and characteristic parameter R of
The influence of reaction conditions including reaction temperature reaction duration and molar ratio of reactants on the morphology of products was systematically investigated in order to prepare potassium hexatitanate (K 2 Ti 6 O 13) whiskers with uniform morphology and high crystallinity by molten salt synthesis toward industrial applications.. Three typical types of K 2 Ti 6 O 13
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The Effect of Different Molten Salt Composition on
M. Velashjerdi et al Journal of Advanced Materials and Processing Vol. 3 No. 3 2015 25-34 25 The Effect of Different Molten Salt Composition on Morphology and
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A construction strategy of ferroelectrics by the molten
The improvement of the electrical properties of ferroelectrics is closely related to the control of their crystal structure and morphology. The molten salt method is a chemical synthesis method in which a molten salt functions as a high-temperature liquid solvent. The special molten salt reaction environment is conducive to the dissolution of
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Topochemical molten salt synthesis for functional
A topochemical molten salt synthesis (TMSS) method which is rapid and a modification of the molten salt synthesis method (MSS) to facilitate crystal growth with improved phase-purity and particle homogeneity is one of the strategic approaches aimed at a controllable morphology synthesis. The TMSS method i Global Energy Challenges Materials and Nanotechnology Top 50 Articles of 2016
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Molten salt synthesis formation mechanism and oxidation
The effect of synthesis temperatures and molten salts on the phase compositions morphology and microstructure of the as-synthesized powders was investigated in detail as well as the molten-salt assisted formation mechanism. The oxidation behavior of the as-synthesized powders was also investigated at different temperatures. 2 Experimental
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The structure morphology and magnetic properties of Sr
Sub-micrometre high-performance Sr-ferrite powder was prepared by a molten-salt method using Na 2 SO 4 as the fluxing agent. In the reaction process a mixture of superfine powder was pre-sintered at 1150 °C for 3 h and then annealed at 850 °C for 2 h. The as-obtained Sr-ferrite powder is SrFe 12 O 19 with a hexagonal magnetoplumbite structure.
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(PDF) Effect of Different Salt on Fabrication of Sr 0.5 Ba
Effect of Salts on the Morphology of SBN ParticlesFig.1shows the XRD patterns of SBN50 synthesized in different salt at 950 ºC. The pure SBN phase can be obtained in NaCl and 0.5NaCl-0.5KCl salts but in the sample synthesized from KCl Sr 2 Nb 2 O 7 (SN) phase can be detected. This indicated that KCl salt enhances the formation of SN phase.
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Effect of molten salts on the structure morphology and
Jul 01 2020 · The melting and evaporation points as well as the cation size of the salt are found to have a significant influence on the morphology and the crystallization level of the carbon products based on which the characteristics of PET-derived carbons are regulated.
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Topochemical molten salt synthesis for functional
A topochemical molten salt synthesis (TMSS) method which is rapid and a modification of the molten salt synthesis method (MSS) to facilitate crystal growth with improved phase-purity and particle homogeneity is one of the strategic approaches aimed at a controllable morphology synthesis. The TMSS method i Global Energy Challenges Materials and Nanotechnology Top 50 Articles of 2016
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The structure morphology and magnetic properties of Sr
powder prepared by the molten-salt method. We have controlled the size morphology and magnetic properties of Sr-ferrite powder by regulating the pre-sintering temperature as well as the temperature and time adopted for annealing. We have emphasized the effect of the particle size D demagnetization factor N and magnetocrystalline anisotropy K
Get PriceStructure morphology and magnetic properties of NiFe2O4
Oct 01 2019 · Moreover the effects of the molten salt on the cation distribution structure morphology and magnetic properties of NiFe 2 O 4 have rarely been studied. In this work we focused on the synthesis of NiFe 2 O 4 powder using basic nickel carbonate and iron oxide red through the molten salt
Get PriceProbing Structure−Parameter Correlations in the Molten
Single-crystalline perovskite BaZrO 3 submicrometer-sized particles were synthesized using a simple scaleable molten salt method. In this paper in addition to a time-dependent particle evolution study we explored primarily the effects of different experimental processing parameters such as the identity of the salt annealing temperatures overall reaction times cooling rates and the
Get PriceMolten Salt Method Scientific.Net
The influence of firing temperature and chloride salts species on the phase and morphology of the products were investigated. The results indicated that the synthetic temperature of Ti 3 SiC 2 by molten salt synthesis method was about 100 °C which was lower than that without molten salts. The "dissolution-precipitation" mechanism governed
Get PriceSrBi2Ta2O9 powder synthesized by molten salt methods
The crystal structure and morphology of the powder were characterized by X-ray diffraction and scanning electron microscope. The XRD patterns reveal that single phase SrBi2Ta2O9 powder can be
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Morphology control and characteristic parameter R of
The influence of reaction conditions including reaction temperature reaction duration and molar ratio of reactants on the morphology of products was systematically investigated in order to prepare potassium hexatitanate (K 2 Ti 6 O 13) whiskers with uniform morphology and high crystallinity by molten salt synthesis toward industrial applications.. Three typical types of K 2 Ti 6 O 13
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Molten salt synthesis formation mechanism and oxidation
The effect of synthesis temperatures and molten salts on the phase compositions morphology and microstructure of the as-synthesized powders was investigated in detail as well as the molten-salt assisted formation mechanism. The oxidation behavior of the as-synthesized powders was also investigated at different temperatures. 2 Experimental
Get PriceMorphology and structure of LiNb0.6Ti0.5O3 CORE
Effects of reaction temperature holding time and the weight ratio of LiCl salt to the original powders on the phase structure and morphology of the synthesized particles were investigated. The LiNb0.6Ti0.5O3 powders generally showed a multi-layer structure exhibiting irregular hexagonal or triangle morphology.
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Effect of synthesis conditions on the morphology and
The effect on the crystal structure morphology dielectric and magnetic properties of varying the molar ratio of the oxide precursors to salt flux was investigated.
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Complex Structure of Molten NaCl–CrCl3 Salt Cr–Cl
article osti_ title = Complex Structure of Molten NaCl–CrCl3 Salt Cr–Cl Octahedral Network and Intermediate-Range Order author = Jie li Qing and Sprouster David and Zheng Guiqiu and Neuefeind Joerg C. and Braatz Alexander D. and Mcfarlane Joanna and Olds Daniel and LAM Stephen and Li Ju and Khaykovich Boris abstractNote = The resurgence of the molten-salt
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