Results 31 to 40 of about 442,158 (165)

Synthesis of Complex-Alloyed Nickel Aluminides from Oxide Compounds by Aluminothermic Method

open access: yesMetals, 2018
This paper deals with the investigation of complex-alloyed nickel aluminides obtained from oxide compounds by aluminothermic reduction. The aim of the work was to study and develop the physicochemical basis for obtaining complex-alloyed nickel aluminides
Victor Gostishchev   +7 more
doaj   +1 more source

Solid solutions in disulfide systems Re(IV)S2–Ti(IV)S2, Re(IV)S2–Mo(IV)S2, and Re(IV)S2–W(IV)S2

open access: yesТонкие химические технологии
Objectives. Chalcogenides of transition elements with low oxidation states, as well as their substituted derivatives, remain a poorly studied class of chemical compounds.
E. I. Efremova   +3 more
doaj   +1 more source

Tl4PbTe3–Tl9SmTe6 SYSTEM

open access: yesКонденсированные среды и межфазные границы, 2017
The aim of the present study was to determine the phase relations in the Tl-Pb-Sm-Te quaternary system on the Tl4PbTe3-Tl9SmTe6 composition area. According to the results obtained by the differential thermal analysis, powder X-ray diffraction technique ...
Alakbarzade Ganira I.   +2 more
doaj   +1 more source

Physical and physicochemical properties of binary and multicomponent semiconductors of CuBr-CuI system [PDF]

open access: yesОмский научный вестник, 2019
Solid solutions of the CuBr-CuI system of various composition have been obtained, certified according to X-ray and thermographic studies as substitution solid solution with cubic structure of sphalerite.
I. A. Kirovskaya   +7 more
doaj   +1 more source

Phase relations in the CuI-SbSI-SbI3 composition range of the Cu–Sb–S–I quaternary system

open access: yesКонденсированные среды и межфазные границы, 2021
The phase equilibria in the Cu-Sb-S-I quaternary system were studied by differential thermal analysis and X-ray phase analysis methods in the CuI-SbSI-SbI3 concentration intervals.
Parvin R. Mammadli   +3 more
doaj   +1 more source

Conductivity of solid solutions of system SnO2 - TiO2

open access: yesТонкие химические технологии, 2011
Electrophysical properties of solid solutions and composite structures of system SnO2 - TiO2 were studied. Values of specific volume resistivity, factors of temperature sensitivity and temperature factors of resistance of solid solutions and compositions
V. V. Safonov, N. N. Tsigankov
doaj  

Dimensional t-factor variation and increase of stability of the ferroelectric state in (Na0.5Bi0.5)TiO3-based solid solutions [PDF]

open access: yesJournal of Advanced Dielectrics, 2017
The influence of the B-site ion substitutions in (1−x)(Bi1∕2Na1∕2)TiO3–xBaTiO3 system of solid solutions on the relative stability of the antiferroelectric (AFE) and ferroelectric (FE) phases has been studied. The ions of zirconium, tin, and (In0.5Nb0.5),
V. M. Ishchuk   +2 more
doaj   +1 more source

Effect of BaTiO3 concentration on structural and magnetic properties of mechanically activated BiFeO3-BaTiO3 system

open access: yesNukleonika, 2017
In this research, the mechanical activation method is proposed as an alternative process of preparation of the (BiFeO3)1-x-(BaTiO3)x solid solutions with various concentrations of barium titanate (x = 0.1÷0.9). However, mechanical milling itself does not
Malesa Bożena   +3 more
doaj   +1 more source

Growth of mixed K2NixCo(1−x)(SO4)2 · 6H2O crystals for large supercooling without spontaneous crystallization in solution

open access: yesMaterials Research Express, 2019
A scheme for growing mixed K _2 Ni _x Co _(1−x) (SO _4 ) _2  · 6H _2 O (KCNSH) single crystals under conditions of supercooling at 5 °C–10 °C without spontaneous crystallization in solution for more than a month has been proposed and implemented.
Andrei A Zhokhov   +7 more
doaj   +1 more source

ELECTROPHYSICAL MEASUREMENTS SOLID SOLUTIONS OF InxAl1–xAs

open access: yesКонденсированные среды и межфазные границы, 2019
Purpose. Layers of InxAl1-xAs, grown at the Novosibirsk Institute of Semiconductor Physics of the Siberian Branch of the Russian Academy of Science that are deliberately unalloyed by means of the MBE method on a semi-insulating substrate InP are widely ...
Mikhailyuk Ekaterina A.   +2 more
doaj   +1 more source

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