Neon in carbon nanopores: wetting, growth mechanisms and cluster structures
Low-temperature high-energy (50 keV) electron diffraction study of size-dependent structures and growth mechanisms of neon samples in multiporous «amorphous» carbon films is presented. Electron diffractograms were analyzed on the basis of the assumption that there exists the cluster size distribut...
Saved in:
| Published in: | Физика низких температур |
|---|---|
| Date: | 2007 |
| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2007
|
| Subjects: | |
| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/121777 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Neon in carbon nanopores: wetting, growth mechanisms and cluster structures / N.V. Krainyukova // Физика низких температур. — 2007. — Т. 33, № 6-7. — С. 747-751. — Бібліогр.: 25 назв. — англ. |
Institution
Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
nasplib_isofts_kiev_ua-123456789-121777 |
|---|---|
| record_format |
dspace |
| spelling |
Krainyukova, N.V. 2017-06-16T07:23:51Z 2017-06-16T07:23:51Z 2007 Neon in carbon nanopores: wetting, growth mechanisms and cluster structures / N.V. Krainyukova // Физика низких температур. — 2007. — Т. 33, № 6-7. — С. 747-751. — Бібліогр.: 25 назв. — англ. 0132-6414 PACS: 61.14.–x; 61.46.–w; 67.70.+n; 81.05.Rm; 81.05.Uw https://nasplib.isofts.kiev.ua/handle/123456789/121777 Low-temperature high-energy (50 keV) electron diffraction study of size-dependent structures and growth mechanisms of neon samples in multiporous «amorphous» carbon films is presented. Electron diffractograms were analyzed on the basis of the assumption that there exists the cluster size distribution in deposits formed in substrate and multi-shell structures such as icosahedra, decahedra, fcc and hcp were probed for different sizes up to approximately 3·10⁴ atoms. The analysis was based on the comparison of precise experimental and calculated diffracted intensities with the help of the R (reliability) — factor minimization procedure. Highly reproducible discrete distribution functions of sizes and structures were found. The time-dependent evolution of diffractograms at earlier stages of growth was revealed. Initially distinct diffraction peaks gradually «disappeared» although the total electron beam absorption evidenced that deposited neon was preserved in the porous substrate. We ascribed this effect to diffusion-like gas penetration from larger to smaller pores which resulted in a highly dispersed or even disordered substance. Evidently, clusters initially grown during deposition were later soaked by a sponge-like substrate due to capillary forces. The author is grateful to V.G. Manzhelii, M.A. Strzhemechny, V.V. Khmelenko, V.A. Apkarian, J.-P. Galaup, and V. Kiryukhin for fruitful discussion of the problem, she is also greatly indebted to B.W. van de Waal for numerous valuable comments and also for the software provided for cluster modelling. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Classical Cryocrystals Neon in carbon nanopores: wetting, growth mechanisms and cluster structures Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Neon in carbon nanopores: wetting, growth mechanisms and cluster structures |
| spellingShingle |
Neon in carbon nanopores: wetting, growth mechanisms and cluster structures Krainyukova, N.V. Classical Cryocrystals |
| title_short |
Neon in carbon nanopores: wetting, growth mechanisms and cluster structures |
| title_full |
Neon in carbon nanopores: wetting, growth mechanisms and cluster structures |
| title_fullStr |
Neon in carbon nanopores: wetting, growth mechanisms and cluster structures |
| title_full_unstemmed |
Neon in carbon nanopores: wetting, growth mechanisms and cluster structures |
| title_sort |
neon in carbon nanopores: wetting, growth mechanisms and cluster structures |
| author |
Krainyukova, N.V. |
| author_facet |
Krainyukova, N.V. |
| topic |
Classical Cryocrystals |
| topic_facet |
Classical Cryocrystals |
| publishDate |
2007 |
| language |
English |
| container_title |
Физика низких температур |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| format |
Article |
| description |
Low-temperature high-energy (50 keV) electron diffraction study of size-dependent structures and
growth mechanisms of neon samples in multiporous «amorphous» carbon films is presented. Electron
diffractograms were analyzed on the basis of the assumption that there exists the cluster size distribution in
deposits formed in substrate and multi-shell structures such as icosahedra, decahedra, fcc and hcp were
probed for different sizes up to approximately 3·10⁴ atoms. The analysis was based on the comparison of
precise experimental and calculated diffracted intensities with the help of the R (reliability) — factor
minimization procedure. Highly reproducible discrete distribution functions of sizes and structures were
found. The time-dependent evolution of diffractograms at earlier stages of growth was revealed. Initially
distinct diffraction peaks gradually «disappeared» although the total electron beam absorption evidenced
that deposited neon was preserved in the porous substrate. We ascribed this effect to diffusion-like gas penetration
from larger to smaller pores which resulted in a highly dispersed or even disordered substance. Evidently,
clusters initially grown during deposition were later soaked by a sponge-like substrate due to capillary
forces.
|
| issn |
0132-6414 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/121777 |
| citation_txt |
Neon in carbon nanopores: wetting, growth mechanisms and cluster structures / N.V. Krainyukova // Физика низких температур. — 2007. — Т. 33, № 6-7. — С. 747-751. — Бібліогр.: 25 назв. — англ. |
| work_keys_str_mv |
AT krainyukovanv neonincarbonnanoporeswettinggrowthmechanismsandclusterstructures |
| first_indexed |
2025-12-02T04:17:28Z |
| last_indexed |
2025-12-02T04:17:28Z |
| _version_ |
1850861503678251008 |