Journal of Alloys and Compounds, volume 881, pages 160514
Phase transformation in vacuum and basic physicochemical properties of heterophasic amorphocrystalline Bi2 O3 -based nanopowder produced by pulsed electron beam evaporation
Publication type: Journal Article
Publication date: 2021-11-01
Journal:
Journal of Alloys and Compounds
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 6.2
ISSN: 09258388
Materials Chemistry
Metals and Alloys
Mechanical Engineering
Mechanics of Materials
Abstract
• Formation of R-phase Bi 2 O 3 in vacuum. • Reduction of heterophase Bi 2 O 3 NPs in argon atmosphere with formation of metallic Bi. • Formation of uniform nanoparticles (droplets) of metallic Bi with a size of 3–5 nm. • Absence of cathodoluminescence in powders annealed in air. • Extrusion of liquid Bi onto the surface of Bi 2 O 3 3D nanostructures leads to the formation of droplets. In this work the method of pulsed electron beam evaporation (PEBE) in vacuum (4 Pa) was used to produce the mesoporous multiphase (α, β and amorphous) amorphocrystalline nanopowder (ACN) of Bi 2 O 3 with specific surface area (SSA) up to 23 m 2 /g. The effect of thermal annealing on the properties of Bi 2 O 3 ACN was investigated in vacuum and in air. Using the HTXRD method in a vacuum (10 −4 mbar) in the RT-510 °С temperature range, the phase transformation of the NP was established according to the scheme (α + β + amorph) ⟶ 200 ° C ( α + β + R ) ⟶ 280 ° C ( α + R ) ⟶ 510 ° C ( α ) . The formation of uniform Bi amorphocrystalline nanoparticles (droplets) with a size of 3–5 nm was observed on the surface of all bismuth oxide samples (S200, S300 and S500) that were annealed in air in the temperature range of 200–500 °С, respectively, due to extrusion of liquid Bi from the volume to the surface of large nanoparticles (NPles) forming the framework of 3D nanoparticle agglomerates during the cooling of the annealed NPs. The presence of NPles of metallic Bi in the original sample was confirmed directly by HRTEM and indirectly by RS, DSC and PCL. The magnetic behavior of annealed samples confirmed their diamagnetic nature. The weak ferromagnetic response (3–4 memu/g) in the as prepared sample was associated with its very defective structure. The photocatalytic activity of NPs was confirmed in decomposition of MO colorant during UV irradiation.
Citations by journals
|
1
2
|
|
|
Journal of Physics: Conference Series
|
Journal of Physics: Conference Series
2 publications, 50%
|
|
Ceramics International
|
Ceramics International
1 publication, 25%
|
|
1
2
|
Citations by publishers
|
1
2
|
|
|
IOP Publishing
|
IOP Publishing
2 publications, 50%
|
|
Elsevier
|
Elsevier
1 publication, 25%
|
|
1
2
|
- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
{"yearsCitations":{"type":"bar","data":{"show":true,"labels":[2021,2022,2023],"ids":[0,0,0],"codes":[0,0,0],"imageUrls":["","",""],"datasets":[{"label":"Citations number","data":[2,0,2],"backgroundColor":["#3B82F6","#3B82F6","#3B82F6"],"percentage":["50",0,"50"],"barThickness":null}]},"options":{"indexAxis":"x","maintainAspectRatio":true,"scales":{"y":{"ticks":{"precision":0,"autoSkip":false,"font":{"family":"Montserrat"},"color":"#000000"}},"x":{"ticks":{"stepSize":1,"precision":0,"font":{"family":"Montserrat"},"color":"#000000"}}},"plugins":{"legend":{"position":"top","labels":{"font":{"family":"Montserrat"},"color":"#000000"}},"title":{"display":true,"text":"Citations per year","font":{"size":24,"family":"Montserrat","weight":600},"color":"#000000"}}}},"journals":{"type":"bar","data":{"show":true,"labels":["Journal of Physics: Conference Series","Ceramics International"],"ids":[3333,15103],"codes":[0,0],"imageUrls":["\/storage\/images\/resized\/LsKy6OnmmmRGcAU6CZgWQvNiP1polbaSLNrN7zqj_medium.webp","\/storage\/images\/resized\/GDnYOu1UpMMfMMRV6Aqle4H0YLLsraeD9IP9qScG_medium.webp"],"datasets":[{"label":"","data":[2,1],"backgroundColor":["#3B82F6","#3B82F6"],"percentage":[50,25],"barThickness":13}]},"options":{"indexAxis":"y","maintainAspectRatio":false,"scales":{"y":{"ticks":{"precision":0,"autoSkip":false,"font":{"family":"Montserrat"},"color":"#000000"}},"x":{"ticks":{"stepSize":null,"precision":0,"font":{"family":"Montserrat"},"color":"#000000"}}},"plugins":{"legend":{"position":"top","labels":{"font":{"family":"Montserrat"},"color":"#000000"}},"title":{"display":true,"text":"Journals","font":{"size":24,"family":"Montserrat","weight":600},"color":"#000000"}}}},"publishers":{"type":"bar","data":{"show":true,"labels":["IOP Publishing","Elsevier"],"ids":[2075,17],"codes":[0,0],"imageUrls":["\/storage\/images\/resized\/LsKy6OnmmmRGcAU6CZgWQvNiP1polbaSLNrN7zqj_medium.webp","\/storage\/images\/resized\/GDnYOu1UpMMfMMRV6Aqle4H0YLLsraeD9IP9qScG_medium.webp"],"datasets":[{"label":"","data":[2,1],"backgroundColor":["#3B82F6","#3B82F6"],"percentage":[50,25],"barThickness":13}]},"options":{"indexAxis":"y","maintainAspectRatio":false,"scales":{"y":{"ticks":{"precision":0,"autoSkip":false,"font":{"family":"Montserrat"},"color":"#000000"}},"x":{"ticks":{"stepSize":null,"precision":0,"font":{"family":"Montserrat"},"color":"#000000"}}},"plugins":{"legend":{"position":"top","labels":{"font":{"family":"Montserrat"},"color":"#000000"}},"title":{"display":true,"text":"Publishers","font":{"size":24,"family":"Montserrat","weight":600},"color":"#000000"}}}}}
Metrics
Cite this
GOST |
RIS |
BibTex
Cite this
GOST
Copy
Ilves V. G. et al. Phase transformation in vacuum and basic physicochemical properties of heterophasic amorphocrystalline Bi2O3-based nanopowder produced by pulsed electron beam evaporation // Journal of Alloys and Compounds. 2021. Vol. 881. p. 160514.
GOST all authors (up to 50)
Copy
Ilves V. G., Gaviko V., Malova O. A., Murzakaev A., Sokovnin S., Uimin M., Zuev M. B. Phase transformation in vacuum and basic physicochemical properties of heterophasic amorphocrystalline Bi2O3-based nanopowder produced by pulsed electron beam evaporation // Journal of Alloys and Compounds. 2021. Vol. 881. p. 160514.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1016/j.jallcom.2021.160514
UR - https://doi.org/10.1016%2Fj.jallcom.2021.160514
TI - Phase transformation in vacuum and basic physicochemical properties of heterophasic amorphocrystalline Bi2O3-based nanopowder produced by pulsed electron beam evaporation
T2 - Journal of Alloys and Compounds
AU - Ilves, V G
AU - Gaviko, V.S
AU - Malova, O A
AU - Murzakaev, A.M.
AU - Sokovnin, S.Yu
AU - Uimin, M.A.
AU - Zuev, Mikhail B.
PY - 2021
DA - 2021/11/01 00:00:00
PB - Elsevier
SP - 160514
VL - 881
SN - 0925-8388
ER -
Cite this
BibTex
Copy
@article{2021_Ilves,
author = {V G Ilves and V.S Gaviko and O A Malova and A.M. Murzakaev and S.Yu Sokovnin and M.A. Uimin and Mikhail B. Zuev},
title = {Phase transformation in vacuum and basic physicochemical properties of heterophasic amorphocrystalline Bi2O3-based nanopowder produced by pulsed electron beam evaporation},
journal = {Journal of Alloys and Compounds},
year = {2021},
volume = {881},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016%2Fj.jallcom.2021.160514},
pages = {160514},
doi = {10.1016/j.jallcom.2021.160514}
}