Study of Raman Spectra of Pb&lt;inf&gt;3&lt;/inf&gt;(P&lt;inf&gt;0.5&lt;/inf&gt; V&lt;inf&gt;0.5&lt;/inf&gt;O&lt;inf&gt;4&lt;/inf&gt;)&lt;inf&gt;2&lt;/inf&gt;Crystallized in Nanoscale Opal Pores

Yevchik, A; Moiseyenko, V.; Derhachov, M. P.; Plaksin, Serhii; Levchenko, Ruslana

doi:10.1109/uwbusis.2018.8520174

Cited by 1 publication

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“…Thus, an important factor for predicting changes in the composition and structure of a nanocomposite using the melt-based impregnation technology is the charge state of the cation. For example, no evidence of phase transformations has been observed when impregnating opal matrix with the Pb3(P0.5V0.5O4)2 [24]. It is most likely because lead cations are in the Pb 2+ charge state, which can be compensated by the presence of the [PO4] 3or [VO4] 3tetrahedron.…”

Section: Opal -Bi12geo20 and Opal -Nabi(moo4)2 Compositesmentioning

confidence: 99%

Structure and Characteristics of Opal - Bi12GeO20 and Opal - NaBi(MoO4)2 Nanocrystalline Composites

Derhachov,

Moiseienko,

Abu Sal

et al. 2024

NHC

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In this work we investigate and analyze phase composition and structure parameters of the nanocomposites obtained by the melt-based impregnation of porous opal matrices with dielectrics prospective for optoelectronics applications Bi12GeO20 and NaBi (MoO4)2. The embedded material is formed inside opal pores as nanocrystals with an average linear size not exceeding 50 nm and modified lattice parameters. In the case of impregnating opals with Bi12GeO20, new additional compounds are produced and transformation of opal matrix from amorphous to crystalline state is observed. These effects are discussed in the framework of the interaction of bismuth cations with the surface of the 285 nm SiO2 particles that compose opal matrix. No stoichiometry deviations and new phases are detected in “opal-NaBi (MoO4)2” composite.

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Section: Opal -Bi12geo20 and Opal -Nabi(moo4)2 Compositesmentioning

confidence: 99%