Wu, A., Wang, Z., Wang, B., Ban, X., Jiang, L., Xu, J., Yuan, S.

ABSTRACT: Mixed-oxide nanostructures of the type xGd2O3-(1-x)α-Fe2O3 (x=0.1, 0.3, 0.5 and 0.7) were synthesized by mechanochemical activation for ball milling times of 0, 2, 4, 8 and 12 hours. The systems were subsequently analyzed by Mӧss spectroscopy, X-ray powder diffraction (XRPD), magnetic measurements and optical diffuse ...

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Ball Milling and Magnetic Modification Boosted Methylene Blue …

Ball milling is a feasible and promising method of biochar modification that can significantly increase its adsorption ability to methylene blue (). This study synthesized nine biochars derived from water hyacinth under different pyrolysis temperatures and modified with ball milling and Fe3O4. The structural properties of the pristine and ball-milled magnetic biochars …

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Mechanosynthesis and electrical conductivity of undoped and …

Fig. 3 demonstrates the time-dependent evolution of particular phases during the ball-milling process. As it is exemplarily shown, in the early stage, the ball milling treatment initiates the C→B phase transition. Up to now, the phase transition in Gd 2 O 3 has been observed in several cases as listed in Table 1. In this context, the high ...

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Mechanochemical Decomposition of Gd3Fe5O12 Garnet Phase

Gadolinium iron garnet was milled in a high energy ball mill to study its magnetic properties in the nanocrystalline regime. XRD reveals the decomposition of the garnet phase …

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Synthesis and Characterization of Gadolinium Oxide-Hematite …

= 0.1, 0.3, 0.5, 0.7 and ball milling times (BMT) of 0, 2, 4, 8 and 12 hours, respectively. The refined values of the hyperfine parameters extracted from these spectra by nonlinear least-squares fitting are listed in Table 1.The spectra in Figures 1(a)-4(a) were analyzed considering one six-line pattern, with the magnetic hyperfine field (BHF) characteristic to hematite.

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Structural, electrical and magnetic characteristics of improper

Different synthetic approaches were employed for preparation of YFeO 3 including low temperature hydrothermal [12], high energy ball milling [13], microwave assisted [14], salt-assisted solution ...

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Room temperature dual ferroic behaviour of ball mill synthesized …

Phase pure NdFeO3 has been achieved using high energy ball milling of oxide precursors with subsequent sintering. It is established that structural arrangement of NdFeO3 regulates the multifunctional feature of the material. Rietveld refinement of the room temperature X-ray diffraction pattern shows that the Fe-O-Fe bond angle significantly favors the super …

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Effect of ball-milling time on hydrogen storage properties of NdMg

In this study, the NdMg 12-Ni alloy was synthesized through a ball milling process, and a comprehensive analysis of the mechanisms by which ball milling duration affects the thermodynamic and kinetic properties of hydrogen absorption and desorption was systematically explored.The experimental findings reveal that the ball milling process is capable of inducing a …

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Correlation between ball milling parameters and graphene …

The ball milling technique is a widely employed method for graphene extraction and is a dominant shear-force exfoliation approach, revolving around reducing particle size through impact and wear. During this process, the graphite serving as precursor suffers arbitrary collisions with metal balls (grinding media generally made up of steel or ...

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Investigation of magnetic property of GdFeO3 single crystal …

Single phase Gadolinium orthoferrite (GdFeO 3) with orthorhombic perovskite structure was synthesized without any garnet impurities by solid state reaction and subsequently GdFeO 3 single crystals were grown by the optical floating zone technique.

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Salikhov, S.V., Toleukhanova, S.K., Bordyuzhin, I.G. and …

The XRPD patterns recorded for the equimolar composition were dominated by the diffraction peaks of GdFeO3 after 12 hours of milling. The hysteresis loops were recorded at 300 and 5 K in an applied magnetic field of 5 T and were interpreted as a superposition of paramagnetic behavior of gadolinium oxide and weak ferromagnetic behavior of ...

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Investigation of structure and physical properties of cobalt doped …

DOI: 10.1016/J.JALLCOM.2018.11.095 Corpus ID: 139293028; Investigation of structure and physical properties of cobalt doped nano-crystalline neodymium orthoferrite @article{Somvanshi2019InvestigationOS, title={Investigation of structure and physical properties of cobalt doped nano-crystalline neodymium orthoferrite}, author={Anand Somvanshi and …

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Ball milling as a mechanochemical technology for fabrication of …

Ball milling time and pyrolysis temperature of biochar would vary the particles sizes and adsorption capacities on Cu 2+ and thus were the determining factors for the synergistic toxicity (Liu et al., 2020). Optimization of synthesis conditions to enhance the effect of ball-milled biochar on antibiotics production is of great significance.

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Ground state spin structure of GdFeO3: A computational

In this work, the role of magnetic ion Gd 3+ in the crystal structure, magnetic and magnetocaloric properties of doped lanthanum-strontium manganite (La 0.7-x Gd x Sr 0.3 MnO 3 varying x from 0 to 0.2) synthesized by high-energy ball milling assisted with annealing, is discussed. Furthermore, the interplay between the magnetic and crystal ...

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Salikhov, S.V., Toleukhanova, S.K., Bordyuzhin, I.G. and …

ABSTRACT: Mixed-oxide nanostructures of the type xGd2O3-(1-x)α-Fe2O3 (x=0.1, 0.3, 0.5 and 0.7) were synthesized by mechanochemical activation for ball milling times of 0, 2, 4, 8 and 12 …

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Ball Milling in Organic Transformations

Ball milling has received tremendous attention in numerous organic synthesis since it allows for reactions to occur at ambient temperature in the absence of any solvent under mild conditions which are compatible for a green process. The carbon-carbon and carbon–heteroatom bond formation reactions and also synthesis of heterocyclic compounds ...

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Working principle of ball milling process.

Nevertheless, parameter factors, such as the type of ball milling, ball-to-powder ratio (BPR), rotation speed, grinding period, size and shape of the milling media, and process control agent (PCA ...

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Chemical co-precipitation synthesis and properties of pure-phase …

BFO particles were synthesized by chemical co-precipitation route. The synthesis process is as follows. Bi(NO 3) 3 ·5H 2 O and Fe(NO 3) 3 ·9H 2 O (mole ratio of Bi 3+ and Fe 3+ was 1:1) were dissolved in dilutes nitric acid (1 mol/L) to form a clear precursor solution. The precursor solution was drip into the composite precipitants (mixed with NH 3 ·H 2 O and 2 …

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Effect of ball milling on densification and alloying in SiCp/Al …

Too short a ball milling time (less than 0.5 h) or too low a ball milling speed (less than 150 rpm) will not achieve the desired granulation effect. Considering the material utilization and granulation effect, a ball milling time of 0.5 h and a …

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Ligand modulated charge transfers in Z-scheme configured Ni

Du et al. fabricated MIL-100 (Fe)/g-C 3 N 4 composites with heterostructures by ball-milling and annealing, which exhibited photocatalytic efficiency of Cr (VI) reduction reached up to 97% within ...

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Porous Nanostructured GdFeO 3 Perovskite Oxides and

Mohammed et al. used high-energy ball milling to prepare nanocrystalline LaCoO 3, which exhibited excellent gas sensitivity to CO, and the responsivity could be improved through additional ...

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High-entropy strategy for high-temperature broadband infrared …

With the advances in the aerospace industry, the increased thrust-to-weight ratio of hypersonic vehicles has created a harsh working environment for hot-end components of superalloys [[1], [2], [3]].For instance, when traveling at Mach 5 speed, aircraft skin temperature can reach 1200 °C or even 1500 °C and the operating temperature of the turbine blades of an …

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Crystal structure engineering of GdFeO3/Mxene

In this study, a new composite material consisting of MXene and GdFeO 3 nanoparticles has been synthesized using crystal structure engineering to improve EMW …

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Crystal structure engineering of GdFeO3/Mxene

In this study, we synthesized a novel composite material by combining MXene with GdFeO 3 nanoparticles, employing crystal structure engineering to enhance electromagnetic …

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Mechanosynthesis of Gadolinium Iron Garnet | Request PDF

We investigated the mechanosynthesis of gadolinium iron garnet by high-energy ball milling stoichiometry amounts of α-Fe2O3 and Gd2O3, followed by short thermal annealings conducted at moderate ...

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Highly enhanced energy storage properties of H

In the present work, we have used high-energy ball milling synthesis process to prepare LaFeO 3, GdFeO 3 nanoparticles and used them as filler in PVDF matrix to develop …

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mp-600576: GdFeO3 (orthorhombic, Pnma, 62)

Browse many computed properties for this orthorhombic GdFeO3 compound, including formation energy from the elements, energy of decomposition into the set of most stable materials at this chemical composition, bulk crystalline density, and band gap. Also known as: High pressure experimental phase, Gadolinium iron(III) oxide, Gadolinium ferrate, Gadolinium iron xide, …

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YFeO3-GdFeO3 solid solutions: Sol-gel synthesis, structural and

In the present work, a series of powdered Y 1-x Gd x FeO 3 solid solutions (x from 0 to 1) was prepared by an aqueous sol-gel method. Structural properties of the synthesized species were investigated using powder X-ray diffraction (XRD), Raman and Möss spectroscopies.It was demonstrated that single-phase compounds can be obtained in the …

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sbm/sbm ball mill with symmetro.md at main · chengxinjia/sbm

Contribute to chengxinjia/sbm development by creating an account on GitHub.

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Ball-milling method encapsulated α-Fe

In this study, we developed the first ball-milling method and solvent-free routes for preparing g-C 3 N 4 wrapped α-Fe 2 O 3. The intimate alignment between Fe 2 O 3 and C 3 N 4 results in …

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