PhC-2020
Influence of thermal annealing on the structure and optical properties of thin aluminum nitride films on sapphire
O.V. Devitsky1,2, A.A. Kravtsov1,2, A.S. Pashchenko1, I.A. Sysoev2 1Federal Research Centre The Southern Scientific Centre of The Russian Academy of Sciences, Rostov-on-Don, Russia 2North Caucasus Federal University, Stavropol, Russia DOI: 10.26456/pcascnn/2020.12.591 Abstract: The results of an experimental study of the effect of thermal annealing on ...
Few-layer graphene particles based on thermally expanded cointercalate of graphite nitrate with acetic and formic acids
A.A. Davydova1, E.V. Raksha1, O.N. Oskolkova1, V.V. Gnatovskaya1, P.V. Sukhov1, O.M. Padun1, V.A. Glazunova2, V.V. Burkhovetskij2, G.K. Volkova2, Yu.V. Berestneva3, M.V. Savoskin1 1L.M. Litvinenko Institute of Physical Organic and Coal Chemistry, Donetsk, Ukraine 2Donetsk Institute for Physics and Engineering named after A.A. Galkin, Donetsk, Ukraine 3Federal State Budget Scientific Institution «Federal Scientific Centre of Agroecology, Complex Melioration and Protective ...
Development of composite materials based on nanoscale hydroxyapatite reinforced with aluminum and zirconium oxides
I.М. Giniyatullin1,2, E.A. Bogdanova1, K.V. Nefedova1 1Institute of Solid State Chemistry of the Ural Branch of RAS, Yekaterinburg, Russia 2Ural Federal University named after the first President of Russia B. N. Yeltsin, Yekaterinburg, Russia DOI: 10.26456/pcascnn/2020.12.571 Abstract: The article discusses the possibility of strengthening nanostructured ...
Mobile magnetometer for rapid test of saturation magnetization of magnetic nanofluids
A.N. Bolotov, O.O. Novikova Tver State Technical University, Tver, Russia DOI: 10.26456/pcascnn/2020.12.557 Abstract: The work is aimed at creating a magnetometric device for accurate determining the saturation magnetization of magnetic nanofluids and similar properties of functional dispersed materials. The device is based on a magnetometric ...
Silicone magnetic nanofluids adapted for the conditions of boundary friction
A.N. Bolotov, O.O. Novikova, V.V. Novikov Tver State Technical University, Tver, Russia DOI: 10.26456/pcascnn/2020.12.546 Abstract: Currently known magnetic lubricant nanofluids have insufficiently good tribological characteristics when operating in the boundary friction mode. An adaptation method is proposed for the boundary friction of magnetic siloxane nanofluids ...
Investigation of sintering features of ceramic materials based on hydroxyapatite and its substituted forms
E.A. Bogdanova1, I.A. Vertennikova2 1Institute of Solid State Chemistry of the Ural Branch of RAS 2Institute of Engineering Science of the Ural Branch of RAS DOI: 10.26456/pcascnn/2020.12.535 Abstract: Stoichiometric and fluorsubstituted hydroxyapatite powders with increased sintering activity (the initial compaction temperature is 600 °C) were ...
Investigation of rheological properties of hydroxyapatite and fluorapatite in colloidal state
E.A. Bogdanova, V.М. Skachkov The Institute of Solid State Chemistry of the Ural Branch of RAS, Yekaterinburg, Russia DOI: 10.26456/pcascnn/2020.12.525 Abstract: The article discusses the possibility of practical application of a suspension of hydroxyapatite and fluorapatite as components of medicines, pharmaceutical compositions, and biomaterials. Their ...
Spectral studies of the Al2O3 and AlN nanopowder formation exposed aluminum by a series of twin laser pulses in the air atmosphere
Kh. Bazzal1, N.A. Alekseenko2, E.S. Voropay1, M.N. Kovalenko1, M.P. Patapovich3, A.P. Zazhogin1 1Belarusian State University, Minsk, Belarus 2Powder Metallurgy Institute named after academician O. V. Roman, Minsk, Belarus 3Belarusian State Academy of Communications DOI: 10.26456/pcascnn/2020.12.516 Abstract: A study of the Al2O3 and AlN nanopowder formation under ...
Study of internal nanoporous structure and external surface of bimetallic nanoparticles
N.Yu. Sdobnyakov, V.S. Myasnichenko, K.G. Savina, A.Yu. Kolosov, A.D. Veselov, A.N. Bazulev, R.E. Grigoryev, D.N. Sokolov Tver State University, Tver, Russia DOI: 10.26456/pcascnn/2020.12.504 Abstract: Exemplifying on two bimetallic nanoparticles Cu – Pt and Au – Ag, the internal structure and external surface has been investigated ...
Investigation of new polymorphic varieties of boron nitride with diamond-like structures
D.S. Ryashentsev, E.A. Belenkov Chelyabinsk State University, Chelyabinsk, Russia DOI: 10.26456/pcascnn/2020.12.493 Abstract: The article presents a theoretical study of new polymorphic varieties of boron nitride with diamond-like structures. As a result of calculations by the density functional theory method in the gradient approximation, the possibility ...