Diamond microcrystallites formation through the phase transition graphite→liquid→diamond
The paper presents the results of synthesizing the diamond microparticles (3 to 5 µm) in a spark discharge in hydrogen at the low pressure (100 Torr). The obtained growth rate ~5 µm/s is uniquely high. Our analysis of the nature of particles by using SEM and Raman spectroscopy demonstrates that thes...
Gespeichert in:
| Veröffentlicht in: | Semiconductor Physics Quantum Electronics & Optoelectronics |
|---|---|
| Datum: | 2006 |
| 1. Verfasser: | |
| Format: | Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
2006
|
| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/121583 |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Diamond microcrystallites formation through the phase transition graphite→liquid→diamond / T.V. Semikina // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2006. — Т. 8, № 1. — С. 22-28. — Бібліогр.: 19 назв. — англ. |
Institution
Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862545702798753792 |
|---|---|
| author | Semikina, T.V. |
| author_facet | Semikina, T.V. |
| citation_txt | Diamond microcrystallites formation through the phase transition graphite→liquid→diamond / T.V. Semikina // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2006. — Т. 8, № 1. — С. 22-28. — Бібліогр.: 19 назв. — англ. |
| collection | DSpace DC |
| container_title | Semiconductor Physics Quantum Electronics & Optoelectronics |
| description | The paper presents the results of synthesizing the diamond microparticles (3 to 5 µm) in a spark discharge in hydrogen at the low pressure (100 Torr). The obtained growth rate ~5 µm/s is uniquely high. Our analysis of the nature of particles by using SEM and Raman spectroscopy demonstrates that these particles are cubic high quality diamond. Using the result of SIM images after cross-cutting of the sample by FIB, it is concluded that diamond does not grow on the substrate and running process is not CVD. Discussing the theory of the spark discharge, it is suggested that the process occurs at high pressures and temperatures. A hypothesis of diamond formation through a diffusion mechanism of the direct phase transition is presented.
|
| first_indexed | 2025-11-25T06:43:45Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-121583 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 1560-8034 |
| language | English |
| last_indexed | 2025-11-25T06:43:45Z |
| publishDate | 2006 |
| publisher | Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України |
| record_format | dspace |
| spelling | Semikina, T.V. 2017-06-14T17:15:51Z 2017-06-14T17:15:51Z 2006 Diamond microcrystallites formation through the phase transition graphite→liquid→diamond / T.V. Semikina // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2006. — Т. 8, № 1. — С. 22-28. — Бібліогр.: 19 назв. — англ. 1560-8034 PACS 81.05.Uw https://nasplib.isofts.kiev.ua/handle/123456789/121583 The paper presents the results of synthesizing the diamond microparticles (3 to 5 µm) in a spark discharge in hydrogen at the low pressure (100 Torr). The obtained growth rate ~5 µm/s is uniquely high. Our analysis of the nature of particles by using SEM and Raman spectroscopy demonstrates that these particles are cubic high quality diamond. Using the result of SIM images after cross-cutting of the sample by FIB, it is concluded that diamond does not grow on the substrate and running process is not CVD. Discussing the theory of the spark discharge, it is suggested that the process occurs at high pressures and temperatures. A hypothesis of diamond formation through a diffusion mechanism of the direct phase transition is presented. The author wish to thank Dr Y. Takagi for opening up
 the opportunities to work in the research group in the
 Department of Environmental and Materials Science,
 Teikyo University of Science & Technology, Japan as
 well as for technical supporting the experiments. The
 author thanks students T. Hirai and T. Kawai for their
 assistance and collaboration in the common
 experimental work for growing the diamonds. The
 author also thanks Dr A.I. Kutsay (Institute of Superhard
 Materials, NANU, Kiev), M.G. Dusheyko and
 Yu.V. Yasievich (National Technical University of
 Ukraine “KPI”, Kiev) and Professor V.G. Litovchenko
 (Institute of Semiconductor Physics, NANU, Kiev) for
 the discussion of some parts of this work. en Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України Semiconductor Physics Quantum Electronics & Optoelectronics Diamond microcrystallites formation through the phase transition graphite→liquid→diamond Article published earlier |
| spellingShingle | Diamond microcrystallites formation through the phase transition graphite→liquid→diamond Semikina, T.V. |
| title | Diamond microcrystallites formation through the phase transition graphite→liquid→diamond |
| title_full | Diamond microcrystallites formation through the phase transition graphite→liquid→diamond |
| title_fullStr | Diamond microcrystallites formation through the phase transition graphite→liquid→diamond |
| title_full_unstemmed | Diamond microcrystallites formation through the phase transition graphite→liquid→diamond |
| title_short | Diamond microcrystallites formation through the phase transition graphite→liquid→diamond |
| title_sort | diamond microcrystallites formation through the phase transition graphite→liquid→diamond |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/121583 |
| work_keys_str_mv | AT semikinatv diamondmicrocrystallitesformationthroughthephasetransitiongraphiteliquiddiamond |