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Trang S-46
The formula unit of the oxygen- excessive La2MnO4.15 phase , which suggests the existence of cationic vacancies , can be written as 2+ 3+ La1 928 Mn3675Mn3.298 04.00- Thermal processing of precursors under high oxy- gen pressures ( 1000 ...
The formula unit of the oxygen- excessive La2MnO4.15 phase , which suggests the existence of cationic vacancies , can be written as 2+ 3+ La1 928 Mn3675Mn3.298 04.00- Thermal processing of precursors under high oxy- gen pressures ( 1000 ...
Trang S-54
Oxygen nonstoichiometry ( 3-8 ) and average man- ganese valence n in a- and ẞ - SrMnO3 . Oxygen partial pres- sure ( bar ) : ( 7 ) 1.0 , ( 2 ) 0.2 , ( 3 ) 0.03 , ( 4 ) 2 x 104 , and ( 5 ) 6 × 10-6 Weight change , % 102.0 101.5 101.0 8 ...
Oxygen nonstoichiometry ( 3-8 ) and average man- ganese valence n in a- and ẞ - SrMnO3 . Oxygen partial pres- sure ( bar ) : ( 7 ) 1.0 , ( 2 ) 0.2 , ( 3 ) 0.03 , ( 4 ) 2 x 104 , and ( 5 ) 6 × 10-6 Weight change , % 102.0 101.5 101.0 8 ...
Trang S-204
Temperature , ° C 1120 1080 4 02 and design of HTSC materials based on oxygen - and- cation - nonstoichiometric Nd , + Ba2- CuO solid + Ba2 - Cu2O solution ( ss ) having the set composition and chemical homogeneity ( i.e. , definite ...
Temperature , ° C 1120 1080 4 02 and design of HTSC materials based on oxygen - and- cation - nonstoichiometric Nd , + Ba2- CuO solid + Ba2 - Cu2O solution ( ss ) having the set composition and chemical homogeneity ( i.e. , definite ...
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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