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The chemistry of the interaction in La2O3 + CaCO3 + Mn2O3 mixtures during thermal processing at 650- 1200 ° C under an air or oxygen atmosphere [ 71 ] is evi- dence that the first signs of La , Ca , MnO3 ( ss ) appear in the sample at ...
The chemistry of the interaction in La2O3 + CaCO3 + Mn2O3 mixtures during thermal processing at 650- 1200 ° C under an air or oxygen atmosphere [ 71 ] is evi- dence that the first signs of La , Ca , MnO3 ( ss ) appear in the sample at ...
Trang S-56
In a Sr / Mn = 4/3 sample , the assemblage ... However , only 0.25 ≤ x ≤ 0.80 samples were practically single - phase . In x > 0.80 samples , a minor Sr , Mn4O15 phase was observed . The absence of lanthanum ( x = 1 ) results in the ...
In a Sr / Mn = 4/3 sample , the assemblage ... However , only 0.25 ≤ x ≤ 0.80 samples were practically single - phase . In x > 0.80 samples , a minor Sr , Mn4O15 phase was observed . The absence of lanthanum ( x = 1 ) results in the ...
Trang S-223
work is far less mobile , and no detectable decomposi- tion of samples occurs . Note also that lower temperatures of synthesis of Nd1 + Ba2- Cu3O , solid solutions produce disordered solid phases whose extent of cation ordering can be ...
work is far less mobile , and no detectable decomposi- tion of samples occurs . Note also that lower temperatures of synthesis of Nd1 + Ba2- Cu3O , solid solutions produce disordered solid phases whose extent of cation ordering can be ...
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Suppl | S-1 |
Vol 46 Suppl 1 2001 | S-14 |
HighTemperature Chemistry of Doped Lanthanum Manganites | S-43 |
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active analysis arsenic trichloride atoms band bismuth bonds calculated cation ceramics changes characteristics Chem chemical Chemistry clusters complexes composition compounds concentration Condens considerable containing coordination crystal decrease determined distribution effect electronic elements energy equilibrium et al example existence experimental field formation function growth hexafluorides higher impurities increase Inorganic interactions involved ions Journal Khim layers ligand lower manganites materials mechanism melt metal method molecular molecules nanocrystals orbitals orthorhombic oxide oxygen parameters particles peritectic phase phase diagram Phys Physics polymorphs positions prepared pressure properties reaction relativistic respectively Russian samples Science shift shows similar solid solutions space space group spectra stability structure studied substitution surface symmetry synthesis Table temperature tetragonal thermal tion transition unit cell values various X-ray