The molten salt synthesis of single magnetic domain BaFe12O19 and SrFe12O19 crystals

Arendt, R. H.

doi:10.1016/s0022-4596(73)80031-3

Cited by 126 publications

(50 citation statements)

References 23 publications

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“…This is where the advantage can be taken of molten salt synthesis. The molten salt synthesis technique, 18 which uses a molten flux, was shown to form monodispersed whiskers of HA upon heating and cooling of a mixture of HA powders and K 2 SO 4 from 1100 to 1200°C, followed by washing in water to remove the K 2 SO 4 glass and expose the HA whiskers. 19,20 The present communication reports the development of an extremely simple and rapid microwave-assisted, molten salt-combustion (auto ignition) synthesis hybrid procedure to manufacture nanowhiskers and nanopowders of HA, TCP, and HA-TCP biphasic bioceramics.…”

Section: Introductionmentioning

confidence: 99%

Microwave-assisted synthesis of calcium phosphate nanowhiskers

2004

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Calcium phosphate [single-phase hydroxyapatite (HA), single-phase tricalcium phosphate (TCP), and biphasic HA-TCP] nanowhiskers and/or powders were produced by using a novel microwave-assisted "combustion synthesis (auto ignition)/molten salt synthesis" hybrid route. This work is an example of our "synergistic processing" philosophy combining these three technologies while taking advantage of their useful aspects. Aqueous solutions containing NaNO 3 , Ca(NO 3 ) 2 ·4H 2 O and KH 2 PO 4 (with or without urea) were irradiated in a household microwave oven for 5 min at 600 watts of power. The as-synthesized precursors were then simply stirred in water at room temperature for 1 h to obtain the nanowhiskers or powders of the desired calcium phosphate bioceramics.

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Section: Introductionmentioning

confidence: 99%

Microwave-assisted synthesis of calcium phosphate nanowhiskers

2004

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“…The BET surface area of AFO-6 is 14 m 2 /g, which was much higher than that of AFO-12 (8.8 m 2 /g) and AFO-24 (2.6 m 2 /g). Larger surface area of photocatalysts can lead to possession of more surface active sites that are available for reaction [34]. Moreover, it also brought more surfaces reached by the visible light thus enhanced light harvesting and led to ample photo-generated electron-hole pairs.…”

Section: Photocatalytic Mechanism Of Agfeo2mentioning

confidence: 99%

A Novel Delafossite Structured Visible-Light Sensitive AgFeO2 Photocatalyst: Preparation, Photocatalytic Properties, and Reaction Mechanism

Yin

Shi

et al. 2016

Catalysts

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Abstract:This work presents a systematic study of a novel efficient visible-light sensitive AgFeO 2 photocatalyst. The photocatalysts were prepared via simple hydrothermal procedure at 160˝C with different reaction time. The structures, morphologies, specific surface areas, and optical properties of the photocatalysts were explored by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Brunauer-Emmett-Teller (BET) model, and UV-vis diffuse reflectance spectra (DRS). Photoluminescence and photocurrent analysis were conducted for the understanding of photogenerated electron-hole pair separation. AgFeO 2 with a six-hour hydrothermal procedure demonstrated the most efficient photocatalytic performance which resulted in 97% degradation of methyl orange (MO) within 180 min. The enhanced photocatalytic activity was attributed to the combined effect of its relatively large surface area and high separation electron-hole pair efficiency. Holes and¨O 2´w ere the dominant reactive species responsible for MO degradation and holes played the leading role according to the quenching effects analysis and detection of active species. The conduction and valence band position of AgFeO 2 were calculated to be´0.5 V and 1.32 V, respectively. Based on active species detection, along with the band structure, the photocatalytic mechanism was proposed.

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“…reactants), which enables molecular level mixing of different reactants, and thus leads to a homogeneous structure of the final product [15]. It has been used extensively to prepare ferrites [16], titanates [17], niobates [18][19][20], and carbide [21]. The desired compound will form if it is thermodynamically more stable than the reactants.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of LiMn1/3Ni1/3Co1/3O2 in molten KCl for rechargeable lithium-ion batteries

Peng

et al. 2009

Journal of Alloys and Compounds

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The molten salt synthesis of single magnetic domain BaFe12O19 and SrFe12O19 crystals

Cited by 126 publications

References 23 publications

Microwave-assisted synthesis of calcium phosphate nanowhiskers

Microwave-assisted synthesis of calcium phosphate nanowhiskers

A Novel Delafossite Structured Visible-Light Sensitive AgFeO2 Photocatalyst: Preparation, Photocatalytic Properties, and Reaction Mechanism

Synthesis of LiMn1/3Ni1/3Co1/3O2 in molten KCl for rechargeable lithium-ion batteries

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