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A considerable increase in luminescence intensity for the complexes containing long - chain fluoroalkyl substitu- ... As the length of a fluoroalkyl ( alkoxy ) substituent increases , the partial charge on the lanthanum ion ( Table 1 ) ...
A considerable increase in luminescence intensity for the complexes containing long - chain fluoroalkyl substitu- ... As the length of a fluoroalkyl ( alkoxy ) substituent increases , the partial charge on the lanthanum ion ( Table 1 ) ...
Trang 1601
Further increase in lithium concentration results in the forma- tion of two - phase samples , in which one of the phases is the oxide LaLi Fe - a03-2 , where 0,5 < a < 0.1 ( phase I ) , and the other phase ...
Further increase in lithium concentration results in the forma- tion of two - phase samples , in which one of the phases is the oxide LaLi Fe - a03-2 , where 0,5 < a < 0.1 ( phase I ) , and the other phase ...
Trang 1618
The decrease in the V - O ( 2 ) distance estimated from the distance dependence of the frequency of the V - O vibration [ 8 ] , is ~ 0.005 Å . Such a variation of V - O ( 2 ) distances causes an increase in the O ( 2a ) –O ( 2'a ) ...
The decrease in the V - O ( 2 ) distance estimated from the distance dependence of the frequency of the V - O vibration [ 8 ] , is ~ 0.005 Å . Such a variation of V - O ( 2 ) distances causes an increase in the O ( 2a ) –O ( 2'a ) ...
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Vol 44 No 9 1999 | 1335 |
Structural Transitions in Neodymium Nickelate upon Iso and Heterovalent Substitutions | 1342 |
Synthesis and Study of New Compounds of the Uranovanadate Family | 1347 |
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absorption according acid analysis angles anions aqueous atoms band bond bridging calculated carbon cations changes Chem chemical Chemistry complexes composition compounds concentration constant containing coordination Copyright corresponding crystal structure curves decrease determined diagram distances effect electron energy equal experimental extraction formation frequencies given H₂O heating hydrogen increase indicates Inorganic intensity interaction involved ions Khim lead lengths ligand measured melting metal method mixture molecules Moscow Nauk Neorg observed obtained occurs oxidation oxygen atoms parameters patterns phase Phys plane positions prepared present properties range ratio reaction REFERENCES refined reflections region respectively Russian salts samples Sciences shifts shows similar sodium solid solutions solution space group spectra spectrum stability studied synthesis Table temperature thermal tion transition Translation unit cell values vibrational X-ray diffraction