Parameters of elastic anisotropy in bismuth silicate crystals

Akhmedzhanov, Farkhad; Mirzaev, S. Z.; Saidvaliev, U.A.

doi:10.1080/00150193.2020.1713335

Cited by 5 publications

(2 citation statements)

References 4 publications

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“…В то же время, согласно ряду работ, в которых рассматривалась теория затухания акустических волн по механизму Ахиезера [12][13][14][15], выражение для затухания может быть записано в следующем виде:…”

Section: результаты и обсуждениеunclassified

Анизотропия Затухания Акустических Волн И Тензор Грюнайзена В Кристаллах Фторида Лития

Ахмеджанов¹,

Курбанов²,

Махаров³

2022

УФЖ

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Исследована анизотропия затухания акустических волн по механизму Ахиезера вкубических кристаллах фторида лития. Определены компоненты тензора Грюнайзена, спомощью которых рассчитана зависимость эффективной константы Грюнайзена отнаправления распространения и поляризации акустических волн в плоскости (001). Показано, что эта зависимость хорошо объясняет сильную анизотропию затуханияакустических волн в кристаллах LiF.

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Section: результаты и обсуждениеunclassified

Анизотропия Затухания Акустических Волн И Тензор Грюнайзена В Кристаллах Фторида Лития

Ахмеджанов¹,

Курбанов²,

Махаров³

2022

УФЖ

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“…Among them are metallic Bi and Si, oxides SiO 2 and SiO x (non-stoichiometric), different crystallographic polymorphs of Bi 2 O 3 (α, β, γ, δ, ε), BiO 2 and BiO 1,5 , and, finally, bismuth silicates, in particular, Bi 2 SiO 5 (metasilicate), Bi 12 SiO 20 (sillenite), and Bi 4 (SiO 4 ) 3 (orthosilicate, or eulytite). The latter bismuth silicates (BSOs) are attractive materials for a number of applications, such as sensors [1], capacitors [2,3], nanothermometers [4,5], acoustic devices and optical devices [6,7], fuel-cells [8], spatial light modulators [9], holographic grafting recorders [10], etc. Moreover, Bi-Si-O based materials find their application as bioactive materials [11], luminescent materials [12,13], and photocatalysts [14,15].…”

Section: Introductionmentioning

confidence: 99%

Phase and Structural Thermal Evolution of Bi–Si–O Catalysts Obtained via Laser Ablation

et al. 2022

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Laser methods are successfully used to prepare complex functional nanomaterials, especially for biomedicine, optoelectronics, and heterogeneous catalysis. In this paper, we present complex oxide and composite nanomaterials based on Bi and Si produced using laser ablation in liquid followed by subsequent powder annealing. Two synthesis approaches were used, with and without laser post-treatment of mixed (in an atomic ratio of 2:1) laser-generated Bi and Si colloids. A range of methods were used to characterize the samples: UV-Vis diffusion reflection, IR and Raman spectroscopy, synchronous thermal analysis, X-ray diffraction, transmission electron microscopy, as well as specific surface-area evaluation. We also followed the dynamics of phase transformations, as well as composition, structure and morphology of annealed powders up to 800 °C. When heated, the non-irradiated series of samples proceeded from metallic bismuth, through β-Bi2O3, and resulted in bismuth silicates of various stoichiometries. At the same time, in their laser-irradiated counterparts, the formation of silicates proceeded immediately from the amorphous Bi2SiO5 phase formed after laser treatment of mixed Bi and Si colloids. Finally, we show their ability to decompose persistent organic molecules of Rhodamine B and phenol under irradiation with a soft UV (375 nm) source.

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Laser-assisted preparation of highly-efficient photocatalytic nanomaterial based on bismuth silicate

Shabalina

Fakhrutdinova

Golubovskaya

et al. 2022

Applied Surface Science

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Parameters of elastic anisotropy in bismuth silicate crystals

Cited by 5 publications

References 4 publications

Анизотропия Затухания Акустических Волн И Тензор Грюнайзена В Кристаллах Фторида Лития

Анизотропия Затухания Акустических Волн И Тензор Грюнайзена В Кристаллах Фторида Лития

Phase and Structural Thermal Evolution of Bi–Si–O Catalysts Obtained via Laser Ablation

Laser-assisted preparation of highly-efficient photocatalytic nanomaterial based on bismuth silicate

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