Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Domenti Gabunia"'
Effect of concentrated light on morphology and vibrational properties of boron and tantalum mixtures
Autor:
Lina Sartinska, Levan Chkhartishvili, Eugen Voynich, Tarik Eren, Gennadiy Frolov, Esra Altay, Ivane Murusidze, Otar Tsagareishvili, Domenti Gabunia, Nodar Maisuradze
Publikováno v:
Heliyon, Vol 4, Iss 3, Pp e00585- (2018)
Heating a mixture of boron (impurities: carbon ∼ B50C2, boric acid – H3BO3) and tantalum (Ta) powders in nitrogen flow in a xenon high-flux optical furnace was performed. As-received powder composed of h-BN, H3BO3, TaB2, B9H11 and a number of oth
Externí odkaz:
https://doaj.org/article/023834efa2f1455c8e2a09398003abe5
Effect of concentrated light on morphology and vibrational properties of boron and tantalum mixtures
Autor:
I. G. Murusidze, Domenti Gabunia, L.L. Sartinska, Gennadiy Frolov, Otar Tsagareishvili, Esra Altay, Nodar Maisuradze, Tarik Eren, Levan Chkhartishvili, Eugen Voynich
Publikováno v:
Heliyon, Vol 4, Iss 3, Pp e00585-(2018)
Heliyon
Heliyon
Heating a mixture of boron (impurities: carbon similar to B50C2, boric acid - H3BO3) and tantalum (Ta) powders in nitrogen flow in a xenon high-flux optical furnace was performed. As-received powder composed of h-BN, H3BO3, TaB2, B9H11 and a number o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ceb328fa314b0241677a02790c9f9b9f
http://www.sciencedirect.com/science/article/pii/S2405844017327329
http://www.sciencedirect.com/science/article/pii/S2405844017327329
Autor:
Levan Chkhartishvili, Otar Tsagareishvili, I. G. Murusidze, Maguli Darchiashvili, Domenti Gabunia
Publikováno v:
Solid State Sciences. 14:1673-1682
Applying quasi-classical approach, the binding energies and electron levels of metal impurities (Li, Mg, Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Nb, Hf, Ta, and Re) introduced into crystallographic voids of types A, D and E in the beta-rhombohedra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec777cfe11024c8c1f11f2575fa71d3c
https://doi.org/10.1016/j.solidstatesciences.2012.06.009
https://doi.org/10.1016/j.solidstatesciences.2012.06.009
Autor:
Otar Tsagareishvili, R. Chedia, Archil Mikeladze, M. Antadze, A. Gacheciladze, B. Margiev, D. Khantadze, Domenti Gabunia, T. Tsuladze
Publikováno v:
Solid State Sciences. 14:1725-1728
Boron carbide has unique physicochemical and mechanical properties such as: high modulus of elasticity, high value of a strength-to-density ratio, heightened wear-resistance in unfriendly environment, etc., however dense product of boron carbide is n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c5e44c1795f5038e70f5792e2550b31
https://doi.org/10.1016/j.solidstatesciences.2012.08.004
https://doi.org/10.1016/j.solidstatesciences.2012.08.004
Publikováno v:
Semiconductors. 43:14-20
The low-frequency charge capacitance for semiconductor boron samples proves to be ten times higher in comparison with the geometrical value calculated from the sample sizes under the assumption of material homogeneity. The explanation to the observab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30772aca4c19ef958fe6c0ba59154ebb
https://doi.org/10.1134/s1063782609010047
https://doi.org/10.1134/s1063782609010047
Autor:
Domenti Gabunia, Levan Gabunia, Otar Tsagareishvili, George Darsavelidze, Marina Antadze, T. Tanaka, David Lezhava
Publikováno v:
Journal of Solid State Chemistry. 179:2944-2948
Real structure and some physicomechanical characteristics of the samples of natural beta-rhombohedral boron B as well as of its {sup 10}B and {sup 11}B monoisotopes have been studied. It was shown that the influence of {sup 10}B and {sup 11}B isotope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29613123245565e925933681a84eeb32
https://doi.org/10.1016/j.jssc.2006.05.024
https://doi.org/10.1016/j.jssc.2006.05.024
Autor:
Otar Tsagareishvili, Marina Antadze, V. Gabunia, George Darsavelidze, David Lezhava, Domenti Gabunia
Publikováno v:
Journal of Solid State Chemistry. 179:2934-2938
Temperature and amplitude dependences of dynamic shear modulus (SM) and of internal friction (IF) have been measured on boron carbide samples with different carbon content. The samples were investigated at frequencies of torsion oscillations from 0.5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dfaf08474fdf900734e2334fd80bc75
https://doi.org/10.1016/j.jssc.2006.05.023
https://doi.org/10.1016/j.jssc.2006.05.023
Autor:
Domenti Gabunia, Otar Tsagareishvili, George Darsavelidze, Levan Gabunia, Marina Antadze, David Lezhava
Publikováno v:
Journal of Solid State Chemistry. 177:600-604
The present work deals with the analysis of data on preparation and investigation of boron with different content of 10 B and 11 B isotopes. It was established that influence of isotopes on the structure and physical–mechanical properties of boron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::120f4be9463f761e449d58aa7d60f800
https://doi.org/10.1016/j.jssc.2003.07.008
https://doi.org/10.1016/j.jssc.2003.07.008
Autor:
Marina Antadze, Jimsher Tsikaridze, Domenti Gabunia, Otar Tsagareishvili, George Darsavelidze, Elgudja Kutelya, Zurab Zoidze
Publikováno v:
Journal of Solid State Chemistry. 177:605-608
Effect of doping with Zr(Re) on the structure and physical-mechanical properties of β-rhombohedral boron has been studied. In all specimens p-type conductivity was found. Internal friction and dynamic shear modulus of the specimens were investigated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24ff3f444e42a642aa4da321963e5c0f
https://doi.org/10.1016/j.jssc.2003.07.009
https://doi.org/10.1016/j.jssc.2003.07.009
Publikováno v:
Inorganic Materials. 43:594-596
It is shown that the isotopic composition has a noticeable effect on the melting parameters of boron. The differences in melting temperature and enthalpy of the monoisotopes 10B and 11B are estimated at ∼16 K and ∼0.0021 eV/at, respectively.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3f08d35fa8416c01b8c6062ab7c405e
https://doi.org/10.1134/s0020168507060076
https://doi.org/10.1134/s0020168507060076