Radiation-Stimulated Formation of Two-Dimensional Structures Based on Calcium Silicide

Standard

Radiation-Stimulated Formation of Two-Dimensional Structures Based on Calcium Silicide. / Zinovieva, Aigul F.; Zinovyev, Vladimir A.; Stepina, Natalia P. et al.

In: Nanomaterials, Vol. 12, No. 20, 3623, 10.2022.

Research output: Contribution to journal › Article › peer-review

Harvard

Zinovieva, AF, Zinovyev, VA, Stepina, NP, Volodin, VA, Krupin, AY, Kacyuba, AV & Dvurechenskii, AV 2022, 'Radiation-Stimulated Formation of Two-Dimensional Structures Based on Calcium Silicide', Nanomaterials, vol. 12, no. 20, 3623. https://doi.org/10.3390/nano12203623

APA

Zinovieva, A. F., Zinovyev, V. A., Stepina, N. P., Volodin, V. A., Krupin, A. Y., Kacyuba, A. V., & Dvurechenskii, A. V. (2022). Radiation-Stimulated Formation of Two-Dimensional Structures Based on Calcium Silicide. Nanomaterials, 12(20), [3623]. https://doi.org/10.3390/nano12203623

Vancouver

Zinovieva AF, Zinovyev VA, Stepina NP, Volodin VA, Krupin AY, Kacyuba AV et al. Radiation-Stimulated Formation of Two-Dimensional Structures Based on Calcium Silicide. Nanomaterials. 2022 Oct;12(20):3623. doi: 10.3390/nano12203623

Author

Zinovieva, Aigul F. ; Zinovyev, Vladimir A. ; Stepina, Natalia P. et al. / Radiation-Stimulated Formation of Two-Dimensional Structures Based on Calcium Silicide. In: Nanomaterials. 2022 ; Vol. 12, No. 20.

BibTeX

@article{c467e5ef044f4e879a2b3d58fc8d7d79,

title = "Radiation-Stimulated Formation of Two-Dimensional Structures Based on Calcium Silicide",

abstract = "The formation of CaSi2 polycrystalline structures under the postgrowth electron irradiation of epitaxial CaF2/Si(111) films with embedded thin Si layers was studied. The dependence on the electron exposure time was investigated for two types of structures with different film thicknesses. The optimal conditions for the formation of two-dimensional CaSi2 structures were found. Raman spectra of the structures after a 1 min electron irradiation demonstrated only one pronounced peak corresponding to the vibrations of Si atoms in the plane of the calcium-intercalated two-dimensional Si layer. An increase in the exposure time resulted in the transition from two- to three-dimensional CaSi2 structures having more complex Raman spectra with additional peaks typical of bulk CaSi2 crystals. Based on the results of microscopic studies and transport measurements, a model explaining the observed effects was proposed.",

keywords = "calcium silicide, electron irradiation, Raman spectroscopy, two-dimensional layer",

author = "Zinovieva, {Aigul F.} and Zinovyev, {Vladimir A.} and Stepina, {Natalia P.} and Volodin, {Vladimir A.} and Krupin, {Aleksey Y.} and Kacyuba, {Aleksey V.} and Dvurechenskii, {Anatoly V.}",

note = "Funding Information: The work was funded by the Russian Science Foundation (grant # 19-12-00070-II). Publisher Copyright: {\textcopyright} 2022 by the authors.",

year = "2022",

month = oct,

doi = "10.3390/nano12203623",

language = "English",

volume = "12",

journal = "Nanomaterials",

issn = "2079-4991",

publisher = "MDPI AG",

number = "20",

}

RIS

TY - JOUR

T1 - Radiation-Stimulated Formation of Two-Dimensional Structures Based on Calcium Silicide

AU - Zinovieva, Aigul F.

AU - Zinovyev, Vladimir A.

AU - Stepina, Natalia P.

AU - Volodin, Vladimir A.

AU - Krupin, Aleksey Y.

AU - Kacyuba, Aleksey V.

AU - Dvurechenskii, Anatoly V.

PY - 2022/10

Y1 - 2022/10

N2 - The formation of CaSi2 polycrystalline structures under the postgrowth electron irradiation of epitaxial CaF2/Si(111) films with embedded thin Si layers was studied. The dependence on the electron exposure time was investigated for two types of structures with different film thicknesses. The optimal conditions for the formation of two-dimensional CaSi2 structures were found. Raman spectra of the structures after a 1 min electron irradiation demonstrated only one pronounced peak corresponding to the vibrations of Si atoms in the plane of the calcium-intercalated two-dimensional Si layer. An increase in the exposure time resulted in the transition from two- to three-dimensional CaSi2 structures having more complex Raman spectra with additional peaks typical of bulk CaSi2 crystals. Based on the results of microscopic studies and transport measurements, a model explaining the observed effects was proposed.

AB - The formation of CaSi2 polycrystalline structures under the postgrowth electron irradiation of epitaxial CaF2/Si(111) films with embedded thin Si layers was studied. The dependence on the electron exposure time was investigated for two types of structures with different film thicknesses. The optimal conditions for the formation of two-dimensional CaSi2 structures were found. Raman spectra of the structures after a 1 min electron irradiation demonstrated only one pronounced peak corresponding to the vibrations of Si atoms in the plane of the calcium-intercalated two-dimensional Si layer. An increase in the exposure time resulted in the transition from two- to three-dimensional CaSi2 structures having more complex Raman spectra with additional peaks typical of bulk CaSi2 crystals. Based on the results of microscopic studies and transport measurements, a model explaining the observed effects was proposed.

KW - calcium silicide

KW - electron irradiation

KW - Raman spectroscopy

KW - two-dimensional layer

UR - http://www.scopus.com/inward/record.url?scp=85140764952&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/e716c8de-59da-3bee-903c-030de978f751/

U2 - 10.3390/nano12203623

DO - 10.3390/nano12203623

M3 - Article

C2 - 36296813

AN - SCOPUS:85140764952

VL - 12

JO - Nanomaterials

JF - Nanomaterials

SN - 2079-4991

IS - 20

M1 - 3623

ER -

ID: 38653762