Russian Journal of Inorganic Chemistry, Tập 41,Số phát hành 5-8British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1996 |
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... ( samples 1 ) are amor- phous by X - ray diffraction . These amorphous samples , both freshly formed and dried at 20 ° C , crystallize only after annealing at 450 ° C ( contrary to the precipitates obtained in a benzene medium ) . ( 3 ) ...
... ( samples 1 ) are amor- phous by X - ray diffraction . These amorphous samples , both freshly formed and dried at 20 ° C , crystallize only after annealing at 450 ° C ( contrary to the precipitates obtained in a benzene medium ) . ( 3 ) ...
Trang 858
... sample with the minimal mechanical stresses can be achieved upon " hot " compacting ( 250-300 ° C , a Carver press ) or after presintering a sample ( T = 850 ° C , Po , ≈ 10 atm ) [ 22 , 23 ] . However , the high density of the initial ...
... sample with the minimal mechanical stresses can be achieved upon " hot " compacting ( 250-300 ° C , a Carver press ) or after presintering a sample ( T = 850 ° C , Po , ≈ 10 atm ) [ 22 , 23 ] . However , the high density of the initial ...
Trang 960
... sample listed in the table . Hence , the samples are not mixtures of CaO2 , Ca ( O2 ) 2 , and Ca ( OH ) 2 crystals . Attempts were made to cause the solid to crystalize . To this end , the samples were cooled by liquid nitrogen and ...
... sample listed in the table . Hence , the samples are not mixtures of CaO2 , Ca ( O2 ) 2 , and Ca ( OH ) 2 crystals . Attempts were made to cause the solid to crystalize . To this end , the samples were cooled by liquid nitrogen and ...
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HighTemperature Superconductors | 683 |
Synthesis and Properties of Inorganic Compounds | 695 |
Thermal Dissociation of Ca₂CuO3 | 703 |
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absorption acid amorphous analysis anions annealing band bond lengths calculated carbon cations chelate chelate cycles Chem chemical cm-¹ complexes composition compounds concentration containing coordination copper(II corresponding crystals cubes cuprate curves decomposition decrease determined diffraction patterns electron energy English Translation Copyright enthalpy equilibrium eutectic experimental films fluorine formation H₂O Hayka/Interperiodica Publishing Russia heating HTSC hydrogen increase Inorg Inorganic Chemistry interaction ions iron(II Khim kJ/mol lanthanide lanthanum layers ligand liquid MAHK Hayka/Interperiodica Publishing melt metal method mixture mol/l molecules Moscow Moscow State University Nauk Neorg obtained Original Russian Text oxidation oxygen peritectic perovskite phase diagram physicochemical properties range ratio reaction region Russia Received Russian Academy Russian Text Copyright salt samples solid solutions solubility space group spectra spectrum stability structure studied sulfate superconducting synthesis Table temperature thermal tion ture unit cell unit cell parameters values vibrations X-ray diffraction yttrium