40 research outputs found
Formation and Study of Properties of Ta and Mo Nanocluster Films
In this article, the results of studies of thin-film samples of nanoclusters of tantalum and molybdenum metals on the surface of silicon dioxide SiO2 /Si (001) at room temperature are presented. The chemical composition and electronic structure of the obtained nanocluster films of Ta and Mo were controlled in situ by X-ray photoelectron spectroscopy (XPS). Susceptibility to oxidation during the exposure to the atmosphere of then nanocluster films, as well as their thermal stability when heated in a vacuum to 600βC were studied ex situ by the XPS method. The size and shape of the nanoclusters composing the film were estimated ex situ by analyzing images obtained with a scanning electron microscope. The band structure before and after oxidation was studied by measuring the bandgap of the formed Ta and Mo films by the method of electron energy loss characteristic spectroscopy (REELS). Conclusions about thermoelectric properties of the formed nanocluster films of Ta and Mo were made
Estimation of the Operating Parameters of Miniature Radioisotope Thermoelectric Power Unit Based on the Th-228 Isotope
The article considers the construction of a miniature radioisotope power unit based on thermoelectric conversion of thermal energy released during nuclear decay. It is proposed to use thin fluoropolymer films (membranes) as a dielectric heat-insulating material. The results of numerical simulation of a prototype of a miniature radioisotope thermoelectric battery unit based on the thorium-228 isotope in the ANSYS program are presented. The geometry of the system has been optimized. It was established that the temperature of the source can reach about 1033 K, and the efficiency of the considered battery unit can reach 16.8%, which corresponds to modern power supplies of this type
Experimental studies of thorium ions implantation from pulse laser plasma into thin silicon oxide layers
We report the results of experimental studies related to implantation of
thorium ions into thin silicon dioxide by pulsed plasma fluxes expansion.
Thorium ions were generated by laser ablation from a metal target, and the
ionic component of the laser plasma was accelerated in an electric field
created by the potential difference (5, 10 and 15 kV) between the ablated
target and SiO2/Si(001) sample. Laser ablation system installed inside the
vacuum chamber of the electron spectrometer was equipped with YAG:Nd3+ laser
having the pulse energy of 100 mJ and time duration of 15 ns in the Q-switched
regime. Depth profile of thorium atoms implanted into the 10 nm thick
subsurface areas together with their chemical state as well as the band gap of
the modified silicon oxide at different conditions of implantation processes
were studied by means of X-ray photoelectron spectroscopy (XPS) and Reflected
Electron Energy Loss Spectroscopy (REELS) methods. Analysis of chemical
composition showed that the modified silicon oxide film contains complex
thorium silicates. Depending on local concentration of thorium atoms, the
experimentally established band gaps were located in the range of 6.0 - 9.0 eV.
Theoretical studies of optical properties of the SiO2 and ThO2 crystalline
systems have been performed by ab initio calculations within hybrid functional.
Optical properties of the SiO2/ThO2 composite were interpreted on the basis of
Bruggeman effective medium approximation. A quantitative assessment of the
yield of isomeric nuclei in "hot" laser plasma at the early stages of expansion
has been performed. The estimates made with experimental results demonstrated
that the laser implantation of thorium ions into the SiO2 matrix can be useful
for further research of low-lying isomeric transitions in 229Th isotope with
energy of 7.8(0.5) eV
Π₯ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ Π½Π°ΡΡΡΠ΅Π½ΠΈΡ ΡΠΎΠ·Π½Π°Π½ΠΈΡ: ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°ΡΠΈΠΈ ΠΠ±ΡΠ΅ΡΠΎΡΡΠΈΠΉΡΠΊΠΎΠΉ ΠΎΠ±ΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠΉ ΠΎΡΠ³Π°Π½ΠΈΠ·Π°ΡΠΈΠΈ Β«Π€Π΅Π΄Π΅ΡΠ°ΡΠΈΡ Π°Π½Π΅ΡΡΠ΅Π·ΠΈΠΎΠ»ΠΎΠ³ΠΎΠ² ΠΈ ΡΠ΅Π°Π½ΠΈΠΌΠ°ΡΠΎΠ»ΠΎΠ³ΠΎΠ²Β»
Π₯ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ Π½Π°ΡΡΡΠ΅Π½ΠΈΡ ΡΠΎΠ·Π½Π°Π½ΠΈΡ (Π₯ΠΠ‘) ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»ΡΡΡ ΡΠΎΠ±ΠΎΠΉ ΡΠΈΠ½Π΄ΡΠΎΠΌΡ ΡΡΠΆΠ΅Π»ΠΎΠ³ΠΎ ΠΏΠΎΡΠ°ΠΆΠ΅Π½ΠΈΡ ΡΠ΅Π½ΡΡΠ°Π»ΡΠ½ΠΎΠΉ Π½Π΅ΡΠ²Π½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ, ΠΏΡΠΈΠ²ΠΎΠ΄ΡΡΠΈΠ΅ ΠΊΒ Π΄Π»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ Π³ΡΡΠ±ΠΎΠΉ ΠΈΠ½Π²Π°Π»ΠΈΠ΄ΠΈΠ·Π°ΡΠΈΠΈ ΠΈΒ ΡΡΠ΅Π±ΡΡΡΠΈΠ΅ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΡΡΠΈΠ»ΠΈΠΉ ΠΏΠΎΒ Π»Π΅ΡΠ΅Π½ΠΈΡ ΠΈΒ ΡΠ΅Π°Π±ΠΈΠ»ΠΈΡΠ°ΡΠΈΠΈ, ΠΊΠΎΡΠΎΡΡΠ΅ Π»ΠΎΠΆΠ°ΡΡΡ Π½Π°Β ΠΌΠ΅Π΄ΠΈΡΠΈΠ½ΡΠΊΠΈΠ΅ ΡΡΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΡ ΠΈΒ Π½Π°Β ΠΏΠ»Π΅ΡΠΈ Π±Π»ΠΈΠ·ΠΊΠΈΡ
ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ². Π₯ΠΠ‘ ΡΠ°Π·Π²ΠΈΠ²Π°ΡΡΡΡ ΡΒ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΠΏΠΎΡΠ»Π΅ ΠΊΠΎΠΌΡ ΠΈΒ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΡΡΡΡΡ Π½Π°Π»ΠΈΡΠΈΠ΅ΠΌ Π±ΠΎΠ΄ΡΡΡΠ²ΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΈ ΠΏΠΎΠ»Π½ΠΎΠΌ ΠΈΠ»ΠΈ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΈ ΠΏΠΎΠ»Π½ΠΎΠΌ ΠΎΡΡΡΡΡΡΠ²ΠΈΠΈ ΠΏΡΠΈΠ·Π½Π°ΠΊΠΎΠ² ΠΎΡΠΎΠ·Π½Π°Π½Π½ΠΎΠ³ΠΎ ΠΏΠΎΠ²Π΅Π΄Π΅Π½ΠΈΡ. ΠΒ Π₯ΠΠ‘ ΠΎΡΠ½ΠΎΡΡΡΡΡ Π²Π΅Π³Π΅ΡΠ°ΡΠΈΠ²Π½ΠΎΠ΅ ΡΠΎΡΡΠΎΡΠ½ΠΈΠ΅ (ΠΠ‘) ΠΈΒ ΡΠΎΡΡΠΎΡΠ½ΠΈΠ΅ ΠΌΠΈΠ½ΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΠΎΠ·Π½Π°Π½ΠΈΡ (Π‘ΠΠ‘). Π’Π°ΠΊΠΆΠ΅ Π΄Π»Ρ ΠΎΠΏΠΈΡΠ°Π½ΠΈΡ Π½Π°ΡΠ°Π»ΡΠ½ΡΡ
ΡΡΠ°Π΄ΠΈΠΉ ΡΡΠΈΡ
ΡΠΎΡΡΠΎΡΠ½ΠΈΠΉ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ ΡΠ΅ΡΠΌΠΈΠ½ Β«ΠΏΡΠΎΠ΄Π»Π΅Π½Π½ΠΎΠ΅ Π½Π°ΡΡΡΠ΅Π½ΠΈΠ΅ ΡΠΎΠ·Π½Π°Π½ΠΈΡΒ» (ΠΠΠ‘). ΠΡΠ΄Π΅Π»ΡΠ½ΠΎ Π²ΡΠ΄Π΅Π»ΡΡΡ Π²ΡΡ
ΠΎΠ΄ ΠΈΠ·Β Π‘ΠΠ‘Β β ΡΠΎΡΡΠΎΡΠ½ΠΈΠ΅, ΠΊΠΎΡΠΎΡΠΎΠ΅ ΡΠΎΡΠΌΠΈΡΡΠ΅ΡΡΡ ΠΏΠΎΒ ΠΌΠ΅ΡΠ΅ Π²ΠΎΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΈΡ ΠΊΠΎΠ³Π½ΠΈΡΠΈΠ²Π½ΡΡ
ΡΡΠ½ΠΊΡΠΈΠΉ. ΠΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠ°Β Π₯ΠΠ‘ ΠΎΡΠ½ΠΎΠ²ΡΠ²Π°Π΅ΡΡΡ Π½Π°Β ΠΌΠ½ΠΎΠ³ΠΎΠΊΡΠ°ΡΠ½ΠΎΠΌ ΡΡΡΡΠΊΡΡΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΌ ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΌ ΠΎΡΠΌΠΎΡΡΠ΅ ΡΒ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΡΠΏΠ΅ΡΠΈΠ°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΡΠΊΠ°Π» ΠΏΡΠΈ ΡΡΠ»ΠΎΠ²ΠΈΠΈ ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΡ ΠΎΠ±ΡΠ°ΡΠΈΠΌΡΡ
ΠΏΡΠΈΡΠΈΠ½ Π½Π°ΡΡΡΠ΅Π½ΠΈΡ ΡΠΎΠ·Π½Π°Π½ΠΈΡ. ΠΠ΅ΡΠ΅Π½ΠΈΠ΅ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΡΒ Π₯ΠΠ‘ Π²ΠΊΠ»ΡΡΠ°Π΅Ρ Π²Β ΡΠ΅Π±Ρ ΠΏΠΎΠ΄Π΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ ΠΆΠΈΠ·Π½Π΅Π½Π½ΠΎ Π²Π°ΠΆΠ½ΡΡ
ΡΡΠ½ΠΊΡΠΈΠΉ, ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠ΅Π½ΠΈΠ΅ ΠΎΠΏΡΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΏΠΈΡΠ°Π½ΠΈΡ ΠΈΒ Π±ΠΎΡΡΠ±Ρ ΡΒ ΡΠΈΠΏΠΈΡΠ½ΡΠΌΠΈ ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΡΠΌΠΈ ΠΈΒ ΡΠΎΠΏΡΡΡΡΠ²ΡΡΡΠΈΠΌΠΈ ΡΠΎΡΡΠΎΡΠ½ΠΈΡΠΌΠΈ (ΠΏΡΠΎΠ»Π΅ΠΆΠ½ΠΈ, ΡΠΏΠ°ΡΡΠΈΡΠ½ΠΎΡΡΡ, Π±ΠΎΠ»Ρ, ΠΏΠ°ΡΠΎΠΊΡΠΈΠ·ΠΌΠ°Π»ΡΠ½Π°Ρ ΡΠΈΠΌΠΏΠ°ΡΠΈΡΠ΅ΡΠΊΠ°Ρ Π³ΠΈΠΏΠ΅ΡΠ°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΈΒ Π΄Ρ.). Π£Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΡΒ Π₯ΠΠ‘ Π΄ΠΎΠ»ΠΆΠ½Π° ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΡΡΡΡ ΡΠ΅Π°Π±ΠΈΠ»ΠΈΡΠ°ΡΠΈΡ ΡΒ ΡΡΠ°ΡΡΠΈΠ΅ΠΌ ΠΌΡΠ»ΡΡΠΈΠ΄ΠΈΡΡΠΈΠΏΠ»ΠΈΠ½Π°ΡΠ½ΠΎΠΉ ΡΠ΅Π°Π±ΠΈΠ»ΠΈΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠΉ ΠΊΠΎΠΌΠ°Π½Π΄Ρ Π²Β ΠΎΠ±ΡΠ΅ΠΌΠ΅, ΠΊΠΎΡΠΎΡΡΠΉ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅ΡΡΡ ΠΏΡΠΎΠ±Π»Π΅ΠΌΠ°ΠΌΠΈ ΠΈΒ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡΠΌΠΈ ΠΊΠΎΠ½ΠΊΡΠ΅ΡΠ½ΠΎΠ³ΠΎ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°. ΠΠ°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΡΠ΅Π°Π±ΠΈΠ»ΠΈΡΠ°ΡΠΈΡ ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΏΡΠΈ ΡΡΠ»ΠΎΠ²ΠΈΠΈ Π΅Π΅Β ΡΠ°Π½Π½Π΅Π³ΠΎ Π½Π°ΡΠ°Π»Π°. ΠΠ°Β Π΄Π°Π½Π½ΡΠΉ ΠΌΠΎΠΌΠ΅Π½Ρ ΠΎΠ΄Π½ΠΎΠ·Π½Π°ΡΠ½ΡΡ
Π΄ΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΡΡΠ² ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΠΊΠ°ΠΊΠΈΡ
-Π»ΠΈΠ±ΠΎ ΡΠΏΠ΅ΡΠΈΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ², Π½Π°ΠΏΡΠ°Π²Π»Π΅Π½Π½ΡΡ
Π½Π°Β Π²ΠΎΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΈΠ΅ ΡΠΎΠ·Π½Π°Π½ΠΈΡ, Π½Π΅Β ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΎ; ΠΈΠ·ΡΡΠ°Π΅ΡΡΡ ΡΡΠ΄ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΡΡΠΈΡ
ΡΠ°ΡΠΌΠ°ΠΊΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈΒ Π½Π΅ΡΠ°ΡΠΌΠ°ΠΊΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
Π²ΠΌΠ΅ΡΠ°ΡΠ΅Π»ΡΡΡΠ², ΠΎΠ±ΡΠ·Π°ΡΠ΅Π»ΡΠ½ΡΠΌ ΡΡΠ»ΠΎΠ²ΠΈΠ΅ΠΌ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ ΠΊΠΎΡΠΎΡΡΡ
ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΌΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½ΠΎ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½Π°Ρ ΠΊΠΎΡΡΠ΅ΠΊΡΠΈΡ ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΎΠ±Π»Π΅ΠΌ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°. ΠΠ°ΠΆΠ½ΡΡ ΡΠΎΠ»Ρ Π²Β Π²Π΅Π΄Π΅Π½ΠΈΠΈ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΡΒ Π₯ΠΠ‘ ΠΈΠ³ΡΠ°Π΅Ρ Π²ΠΎΠ²Π»Π΅ΡΠ΅Π½ΠΈΠ΅ Π±Π»ΠΈΠ·ΠΊΠΈΡ
ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°, ΠΊΠΎΡΠΎΡΡΠ΅, Π²Β ΡΠ²ΠΎΡ ΠΎΡΠ΅ΡΠ΅Π΄Ρ, Π½ΡΠΆΠ΄Π°ΡΡΡΡ Π²Β ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΠΈ ΠΎΠ±ΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΈ ΠΎΒ ΡΠΎΡΡΠΎΡΠ½ΠΈΠΈ ΡΠ²ΠΎΠ΅Π³ΠΎ ΡΠΎΠ΄ΡΡΠ²Π΅Π½Π½ΠΈΠΊΠ° ΠΈΒ ΠΎΒ Π½Π°ΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡΡ
ΡΠ΅Π°Π±ΠΈΠ»ΠΈΡΠ°ΡΠΈΠΈ, Π°Β ΡΠ°ΠΊΠΆΠ΅ Π²Β ΠΏΡΠΈΡ
ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΠΎΠΌΠΎΡΠΈ
Π‘ΡΡΡΠΊΡΡΡΠ° ΠΈ ΡΠ°ΡΡΠΎΡΠ° ΡΠΎΠΏΡΡΡΡΠ²ΡΡΡΠΈΡ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉ ΠΈ ΡΠ²ΡΠ·Π°Π½Π½ΡΡ Ρ Π½ΠΈΠΌΠΈ ΠΏΠΎΡΠ»Π΅ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΡ ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ: Π½Π°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ΅ Π½Π°Π±Π»ΡΠ΄Π°ΡΠ΅Π»ΡΠ½ΠΎΠ΅ ΠΌΠ½ΠΎΠ³ΠΎΡΠ΅Π½ΡΡΠΎΠ²ΠΎΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ STOPRISK
ΠΠΠ’Π£ΠΠΠ¬ΠΠΠ‘Π’Π¬: ΠΡΠ΅Π½ΠΊΠ° ΡΠΈΡΠΊΠ° ΠΈ Π²ΡΠ΄Π΅Π»Π΅Π½ΠΈΠ΅ Π³ΡΡΠΏΠΏΡ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ Π²ΡΡΠΎΠΊΠΎΠΉ Π²Π΅ΡΠΎΡΡΠ½ΠΎΡΡΡΡ ΡΠ°Π·Π²ΠΈΡΠΈΡ Π½Π΅Π±Π»Π°Π³ΠΎΠΏΡΠΈΡΡΠ½ΠΎΠ³ΠΎ ΠΈΡΡ
ΠΎΠ΄Π°Β β ΠΎΡΠ½ΠΎΠ²Π° ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ ΠΏΠΎΡΠ»Π΅ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΡ
Π½Π΅Π±Π»Π°Π³ΠΎΠΏΡΠΈΡΡΠ½ΡΡ
ΡΠΎΠ±ΡΡΠΈΠΉ. Π¦ΠΠΠ¬ ΠΠ‘Π‘ΠΠΠΠΠΠΠΠΠ―: ΠΎΠΏΡΠ΅Π΄Π΅Π»ΠΈΡΡ ΡΡΡΡΠΊΡΡΡΡ ΠΈ ΡΠ°ΡΡΠΎΡΡ ΡΠΎΠΏΡΡΡΡΠ²ΡΡΡΠΈΡ
Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉ Π² ΠΏΡΠ΅Π΄ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΠΉ ΠΏΠ΅ΡΠΈΠΎΠ΄ ΠΈ Π°ΡΡΠΎΡΠΈΠΈΡΠΎΠ²Π°Π½Π½ΡΠ΅ Ρ Π½ΠΈΠΌΠΈ Π½Π΅Π±Π»Π°Π³ΠΎΠΏΡΠΈΡΡΠ½ΡΠ΅ ΠΏΠΎΡΠ»Π΅ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΠ΅ ΠΈΡΡ
ΠΎΠ΄Ρ. ΠΠΠ’ΠΠ ΠΠΠΠ« Π ΠΠΠ’ΠΠΠ«: ΠΡΠΎΠ²Π΅Π΄Π΅Π½ Π°Π½Π°Π»ΠΈΠ· ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Π΅ΠΉ 8241Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ° Π±Π°Π·Ρ STOPRISK, ΠΎΠΏΠ΅ΡΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
Π½Π° ΠΎΡΠ³Π°Π½Π°Ρ
Π±ΡΡΡΠ½ΠΎΠΉ ΠΏΠΎΠ»ΠΎΡΡΠΈ ΠΈ ΠΌΠ°Π»ΠΎΠ³ΠΎ ΡΠ°Π·Π° Π·Π° ΠΏΠ΅ΡΠΈΠΎΠ΄ Ρ 1Β ΠΈΡΠ»Ρ 2019Β Π³. ΠΏΠΎ 30Β Π°ΠΏΡΠ΅Π»Ρ 2022Β Π³. Π ΠΠΠ£ΠΠ¬Π’ΠΠ’Π«: Π‘ΠΎΠΏΡΡΡΡΠ²ΡΡΡΠΈΠ΅ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΡ Π²ΡΡΡΠ΅ΡΠ°Π»ΠΈΡΡ Ρ 4638Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² (56,3Β %), ΠΏΡΠΈ ΡΡΠΎΠΌ ΠΎΠ΄Π½ΠΎ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠ΅ Π½Π°Π±Π»ΡΠ΄Π°Π»ΠΈ Ρ 1872Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² (22,7Β %), ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠ΅ Π΄Π²ΡΡ
Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉΒ β Ρ 1383Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² (16,8Β %), ΡΡΠ΅Ρ
Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉΒ β Ρ 814Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² (9,9Β %), ΡΠ΅ΡΡΡΠ΅Ρ
Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉΒ β Ρ 395Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² (4,8Β %), Π±ΠΎΠ»Π΅Π΅ 4Β β Ρ 170Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² (2,0Β %). ΠΠ°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΡΠ°ΡΡΠΎ Π²ΡΡΡΠ΅ΡΠ°Π»ΠΈΡΡ Π³ΠΈΠΏΠ΅ΡΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠ°Ρ Π±ΠΎΠ»Π΅Π·Π½ΡΒ β 48,2Β %, Ρ
ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠ°Ρ ΡΠ΅ΡΠ΄Π΅ΡΠ½Π°Ρ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΎΡΠ½ΠΎΡΡΡ (20,7Β %), ΠΈΡΠ΅ΠΌΠΈΡΠ΅ΡΠΊΠ°Ρ Π±ΠΎΠ»Π΅Π·Π½Ρ ΡΠ΅ΡΠ΄ΡΠ° (19,3Β %). ΠΠ°Π»ΠΈΡΠΈΠ΅ ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΡ ΠΈ Π±ΠΎΠ»Π΅Π΅ Π·Π°ΡΠΈΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΎ Ρ 285Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² (3,5Β %), Π»Π΅ΡΠ°Π»ΡΠ½ΡΠΉ ΠΈΡΡ
ΠΎΠ΄Β β Ρ 36Β ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² (0,43Β %). Π£ 74,0Β % ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Π½Π°Π±Π»ΡΠ΄Π°Π»ΠΈ Π΅Π΄ΠΈΠ½ΡΡΠ²Π΅Π½Π½ΠΎΠ΅ ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠ΅, Ρ 14,0Β %Β β ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠ΅ Π΄Π²ΡΡ
ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ, Ρ 12,0Β %Β β ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠ΅ ΡΡΠ΅Ρ
ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ ΠΈ Π±ΠΎΠ»Π΅Π΅. Π ΡΡΡΡΠΊΡΡΡΠ΅ ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ ΠΏΡΠ΅ΠΎΠ±Π»Π°Π΄Π°Π»ΠΈ ΠΏΠ°ΡΠ΅Π· ΠΊΠΈΡΠ΅ΡΠ½ΠΈΠΊΠ° (25,57Β %), ΠΏΠ½Π΅Π²ΠΌΠΎΠ½ΠΈΡ (12,1Β %), ΡΠ°Π½Π΅Π²Π°Ρ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΡ (12,1Β %). ΠΠ°ΠΊ Π»Π΅ΡΠ°Π»ΡΠ½ΠΎΡΡΡ, ΡΠ°ΠΊ ΠΈ ΡΠ°ΡΡΠΎΡΠ° ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ ΡΠΎΡΠ»ΠΈ Ρ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²Π° ΡΠΎΠΏΡΡΡΡΠ²ΡΡΡΠΈΡ
Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉ. ΠΠ«ΠΠΠΠ«: ΠΠ°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΡΠ°ΡΡΡΠ΅ ΡΠΎΠΏΡΡΡΡΠ²ΡΡΡΠΈΠ΅ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΡ Π² Π°Π±Π΄ΠΎΠΌΠΈΠ½Π°Π»ΡΠ½ΠΎΠΉ Ρ
ΠΈΡΡΡΠ³ΠΈΠΈΒ β Π³ΠΈΠΏΠ΅ΡΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠ°Ρ Π±ΠΎΠ»Π΅Π·Π½Ρ, Ρ
ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠ°Ρ ΡΠ΅ΡΠ΄Π΅ΡΠ½Π°Ρ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΎΡΠ½ΠΎΡΡΡ, ΠΈΡΠ΅ΠΌΠΈΡΠ΅ΡΠΊΠ°Ρ Π±ΠΎΠ»Π΅Π·Π½Ρ ΡΠ΅ΡΠ΄ΡΠ°, ΡΠ°Ρ
Π°ΡΠ½ΡΠΉ Π΄ΠΈΠ°Π±Π΅Ρ ΠΈ Π½Π°ΡΡΡΠ΅Π½ΠΈΠ΅ ΡΠ΅ΡΠ΄Π΅ΡΠ½ΠΎΠ³ΠΎ ΡΠΈΡΠΌΠ°. Π§Π°ΡΡΠΎΡΠ° ΠΏΠΎΡΠ»Π΅ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΡ
ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ ΡΠΎΡΡΠ°Π²ΠΈΠ»Π° 3,5Β %, Π»Π΅ΡΠ°Π»ΡΠ½ΠΎΡΡΡΒ β 0,43Β %; ΠΏΡΠΈ ΡΡΠΎΠΌ Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΡΠ°ΡΡΡΠΌΠΈ ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΡΠΌΠΈ Π±ΡΠ»ΠΈ ΠΏΠ°ΡΠ΅Π· ΠΊΠΈΡΠ΅ΡΠ½ΠΈΠΊΠ°, ΡΠ°Π½Π΅Π²Π°Ρ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΡ ΠΈ ΠΏΠ½Π΅Π²ΠΌΠΎΠ½ΠΈΡ
Π‘Π΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠΎΠΊ Ρ Π²Π·ΡΠΎΡΠ»ΡΡ : ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°ΡΠΈΠΈ ΠΠ±ΡΠ΅ΡΠΎΡΡΠΈΠΉΡΠΊΠΎΠΉ ΠΎΠ±ΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠΉ ΠΎΡΠ³Π°Π½ΠΈΠ·Π°ΡΠΈΠΈ Β«Π€Π΅Π΄Π΅ΡΠ°ΡΠΈΡ Π°Π½Π΅ΡΡΠ΅Π·ΠΈΠΎΠ»ΠΎΠ³ΠΎΠ² ΠΈ ΡΠ΅Π°Π½ΠΈΠΌΠ°ΡΠΎΠ»ΠΎΠ³ΠΎΠ²Β»
Π ΡΡΠ°ΡΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΠΎΡΠ½ΠΎΠ²Π½ΡΠ΅ ΠΏΠΎΠ»ΠΎΠΆΠ΅Π½ΠΈΡ ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°ΡΠΈΠΉ ΠΏΠΎ ΡΠ΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠΌΡ ΡΠΎΠΊΡ ΡΒ Π²Π·ΡΠΎΡΠ»ΡΡ
, ΡΡΠ²Π΅ΡΠΆΠ΄Π΅Π½Π½ΡΡ
ΠΠ±ΡΠ΅ΡΠΎΡΡΠΈΠΉΡΠΊΠΎΠΉ ΠΎΠ±ΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠΉ ΠΎΡΠ³Π°Π½ΠΈΠ·Π°ΡΠΈΠ΅ΠΉ Β«Π€Π΅Π΄Π΅ΡΠ°ΡΠΈΡ Π°Π½Π΅ΡΡΠ΅Π·ΠΈΠΎΠ»ΠΎΠ³ΠΎΠ² ΠΈΒ ΡΠ΅Π°Π½ΠΈΠΌΠ°ΡΠΎΠ»ΠΎΠ³ΠΎΠ²Β» Π²Β 2023Β Π³. ΠΠΊΡΡΠ°Π»ΡΠ½ΠΎΡΡΡ ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ ΡΠ²ΡΠ·Π°Π½Π° ΡΠΎ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΡΠ°ΡΠΏΡΠΎΡΡΡΠ°Π½Π΅Π½Π½ΠΎΡΡΡΡ ΠΈΒ Π²ΡΡΠΎΠΊΠΈΠΌΠΈ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΠΌΠΈ Π»Π΅ΡΠ°Π»ΡΠ½ΠΎΡΡΠΈ ΠΏΡΠΈ ΡΠ΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠΌ ΡΠΎΠΊΠ΅. Π Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°ΡΠΈΠΈ Π²ΠΊΠ»ΡΡΠ°ΡΡ Π²ΠΎΠΏΡΠΎΡΡ ΡΡΠΈΠΎΠ»ΠΎΠ³ΠΈΠΈ, ΠΏΠ°ΡΠΎΠ³Π΅Π½Π΅Π·Π°, ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΊΠ°ΡΡΠΈΠ½Ρ, ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² Π»Π°Π±ΠΎΡΠ°ΡΠΎΡΠ½ΠΎΠΉ ΠΈΒ ΠΈΠ½ΡΡΡΡΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ ΡΠ΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΠΊΠ°. ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Π° ΡΡΠ°ΡΡΠΎΠ²Π°Ρ ΠΈΠ½ΡΠ΅Π½ΡΠΈΠ²Π½Π°Ρ ΡΠ΅ΡΠ°ΠΏΠΈΡ ΡΠ΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΠΊΠ°, Π²ΠΊΠ»ΡΡΠ°Ρ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄Ρ ΠΏΠΎ Π½Π°Π·Π½Π°ΡΠ΅Π½ΠΈΡ Π²Π°Π·ΠΎΠΏΡΠ΅ΡΡΠΎΡΠ½ΡΡ
ΠΈΒ ΠΈΠ½ΠΎΡΡΠΎΠΏΠ½ΡΡ
ΠΏΡΠ΅ΠΏΠ°ΡΠ°ΡΠΎΠ², ΡΠ΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°ΡΠΈΠΈ ΠΏΠΎ Π²ΡΠ±ΠΎΡΡ Π°Π½ΡΠΈΠ±Π°ΠΊΡΠ΅ΡΠΈΠ°Π»ΡΠ½ΡΡ
ΠΏΡΠ΅ΠΏΠ°ΡΠ°ΡΠΎΠ², ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ ΠΈΠ½ΡΡΠ·ΠΈΠΎΠ½Π½ΠΎΠΉ ΠΈΒ Π°Π΄ΡΡΠ²Π°Π½ΡΠ½ΠΎΠΉ ΡΠ΅ΡΠ°ΠΏΠΈΠΈ, Π²Β ΡΠΎΠΌ ΡΠΈΡΠ»Π΅ ΠΏΡΠΈ ΡΠ΅ΡΡΠ°ΠΊΡΠ΅ΡΠ½ΠΎΠΌ ΠΊΒ ΡΠ΅ΡΠ°ΠΏΠΈΠΈ ΡΠ΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠΌ ΡΠΎΠΊΠ΅. ΠΠ±ΡΡΠΆΠ΄Π΅Π½Ρ Π²ΠΎΠΏΡΠΎΡΡ Ρ
ΠΈΡΡΡΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π»Π΅ΡΠ΅Π½ΠΈΡ ΠΎΡΠ°Π³Π° ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ. ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΠΊΡΠΈΡΠ΅ΡΠΈΠΈ ΠΊΠ°ΡΠ΅ΡΡΠ²Π° ΠΎΠΊΠ°Π·Π°Π½ΠΈΡ ΠΌΠ΅Π΄ΠΈΡΠΈΠ½ΡΠΊΠΎΠΉ ΠΏΠΎΠΌΠΎΡΠΈ Π²Π·ΡΠΎΡΠ»ΡΠΌ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°ΠΌ ΡΒ ΡΠ΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΈΠΌ ΡΠΎΠΊΠΎΠΌ ΠΈΒ Π°Π»Π³ΠΎΡΠΈΡΠΌΡ Π΄Π΅ΠΉΡΡΠ²ΠΈΠΉ Π²ΡΠ°ΡΠ° ΠΏΡΠΈ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠ΅ ΠΈΒ ΠΈΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΠΎΠΉ ΡΠ΅ΡΠ°ΠΏΠΈΠΈ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΡΒ ΡΠ΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΈΠΌ ΡΠΎΠΊΠΎΠΌ
Formation and Study of Properties of TA And MO Nanocluster Films
In the work the results of studies of thin-film samples of nanoclusters of tantalum and molybdenum metals on the surface of silicon dioxide SiO2/Si (001) at room temperature are presented. The chemical composition and electronic structure of the obtained nanocluster films of Ta and Mo were controlled in situ by X-ray photoelectron spectroscopy (XPS). Susceptibility to oxidation during the exposure to the atmosphere of then nanocluster films, as well as their thermal stability when heated in a vacuum to 600 Β°C were studied ex situ by the XPS method. The size and shape of the nanoclusters composing the film were estimated ex situ by analyzing images obtained with a scanning electron microscope. The band structure before and after oxidation was studied by measuring the bandgap of the formed Ta and Mo films by the method of electron energy loss characteristic spectroscopy (REELS). Conclusions about thermoelectric properties of the formed nanocluster films of Ta and Mo were made