Low-Temperature Synthesis Methods of Doped Apatite-Type Lanthanum Silicates

Kharlamova, Tamara; Pavlova, Svetlana; Садыков, В. А.; Lapina, Olga B.; Khabibulin, Dzhalil F.; Krieger, Tamara; Зайковский, В. И.; Ищенко, А. В.; Чайкина, М. В.; Argirusis, Christos

doi:10.1252/jcej.07we145

Cited by 9 publications

(6 citation statements)

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“…Such procedure was earlier shown to essentially decrease the impurity amount (Ͻ0.05 Ϯ 0.01 wt.-%). [12,31] Unless specially stated, the products of MA were calcined at 900 and 1200°C for 5 h. The samples after activation and the calcined ones were characterized by XRD and IR, UV/Vis electron, and Mössbauer spectroscopy.…”

Section: Methodsmentioning

confidence: 99%

Mechanochemical Synthesis of Fe‐Doped Apatite‐Type Lanthanum Silicates

et al. 2010

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Apatite-type lanthanum silicates (ATLS) doped by Fe were prepared by using mechanical activation, and the effect of the nature of the dopant raw materials on the formation of ATLS was considered. Genesis of the formation of apatite was studied by XRD, IR, HRTEM, and Mössbauer and UV/ Vis electron spectroscopy. The possibility of a partial substitution of Si in the apatite with a dopant and the mechanism of formation of ATLS in the course of mechanical activation depend on the dopant parent compound. The structural compatibility of La 2 O 3 , La(OH) 3 , and apatite was shown to favor

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Section: Methodsmentioning

confidence: 99%

Mechanochemical Synthesis of Fe‐Doped Apatite‐Type Lanthanum Silicates

et al. 2010

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“…Detailed description of the preparation technique is presented elsewhere [8,9]. Detailed description of the preparation technique is presented elsewhere [8,9].…”

Section: Methodsmentioning

confidence: 99%

Perovskite and Composite Materials for Intermediate Temperatures Solid Oxide Fuel Cells

et al. 2007

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“…Rare earth silicates with apatite structure are of great interest as a new class of oxygen ionic conductors. e characteristics of their structure provide high oxygen conductivity at a medium temperature range, low activation energy of conductivity, stability in reducing media, and a possibility for isomorphous substitution by different elements to modify their transport properties [7]. Lanthanide silicates have been synthesized in a single crystal as well as in polycrystalline form.…”

Section: Introductionmentioning

confidence: 99%

Sol‐Gel Synthesis, X‐Ray Diffraction Studies, and Electric Conductivity of Sodium Europium Silicate

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et al. 2013

Journal of Chemistry

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Sodium europium silicate, NaEu9(SiO4)6O2, with apatite structure has been obtained and studied using X-ray diffraction and SEM. It has been shown that sodium sublimation does not take place upon synthesis by the sol-gel method. Rietveld refinement has revealed that sodium atoms are ordered and occupy the 4f position. O(4) atoms not related to silicate ions are placed at the centers of Eu(2) triangles. DC and AC electric conductivity and activation energy have been determined for the compound studied.

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Low-Temperature Synthesis Methods of Doped Apatite-Type Lanthanum Silicates

Abstract: Al-and

Cited by 9 publications

References 13 publications

Mechanochemical Synthesis of Fe‐Doped Apatite‐Type Lanthanum Silicates

Mechanochemical Synthesis of Fe‐Doped Apatite‐Type Lanthanum Silicates

Perovskite and Composite Materials for Intermediate Temperatures Solid Oxide Fuel Cells

Sol‐Gel Synthesis, X‐Ray Diffraction Studies, and Electric Conductivity of Sodium Europium Silicate

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