Russian Journal of Inorganic Chemistry, Tập 32,Trang 1-617Chemical Society, 1987 |
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... pyrochlore structures to a pressure of 70 x 108-80 x 108 Pa and a temperature of 1400-1900 ° C . The thermal stability of the high - pressure modification of Sm2Ti2O , with a perovskite - like layer structure was studied . Certain ...
... pyrochlore structures to a pressure of 70 x 108-80 x 108 Pa and a temperature of 1400-1900 ° C . The thermal stability of the high - pressure modification of Sm2Ti2O , with a perovskite - like layer structure was studied . Certain ...
Trang
... pyrochlore structure ) . A comparison of the unit - cell volumes of the CaLnTiNbO , ( Ln = Pr - Sm ) phases which have pyrochlore structures with the unit - cell volume of the phase CaLaTiNbO , which has a PLS ( 1121.5 Å39 ) shows that ...
... pyrochlore structure ) . A comparison of the unit - cell volumes of the CaLnTiNbO , ( Ln = Pr - Sm ) phases which have pyrochlore structures with the unit - cell volume of the phase CaLaTiNbO , which has a PLS ( 1121.5 Å39 ) shows that ...
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... pyrochlore structure . The amount of this phase increases to 40-60 mole % when the temperature is raised to 1100 ° C ( for a period of 2-10 h ) . Heating at 1200 ° C for 1 h gives Sm2Ti2O , consisting entirely of the phase with the ...
... pyrochlore structure . The amount of this phase increases to 40-60 mole % when the temperature is raised to 1100 ° C ( for a period of 2-10 h ) . Heating at 1200 ° C for 1 h gives Sm2Ti2O , consisting entirely of the phase with the ...
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The formation of alkali and alkaline earth metal | 7 |
A magnetochemical and spectral study of dilute solid | 15 |
Journal | 151 |
Bản quyền | |
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absorption acid Akad alkali metal anion atoms bands bond caesium calculated cations Chem chemical Chemistry chloride cm-¹ cm¯¹ cm¹ cobalt cobalt(II complex formation components composition compounds concentration constant containing coordination corresponding crystallisation crystals curves decrease determined diagram endothermic endothermic effect equilibrium ethanol europium eutectic experimental extraction Figure fluorides formed H₂O heating hydrated hydrazine hydrogen increase infrared spectra Inorg ionic ions isotherm Khim Khimiya lanthanide lanthanum ligand liquid mass melting method mixture molar molar volume mole molecules Moscow Nauk SSSR Neorg nitrate obtained oxide oxygen parameters phosphate polyphosphates potassium precipitate proton pyrochlore range ratio reaction reagent Russ Russ.J salt shows sodium solid phase solid solutions solubility specimens spectrum structure studied sulphate synthesis temperature ternary thermal analysis tion Translated from Zhurnal values vanadium vibrations wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhur.Neorg Zhurnal Neorganicheskoi Khimii zirconium