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At high temperatures , Mn3O4 is the most stable oxide . It exists in three polymorphs : the a phase ( tetragonal , space group 14 / amd ) , ẞ ( tetragonal ) , and y ( cubic spinel , space group Fd3m ) . Polymorphic transitions in Mn3O4 ...
At high temperatures , Mn3O4 is the most stable oxide . It exists in three polymorphs : the a phase ( tetragonal , space group 14 / amd ) , ẞ ( tetragonal ) , and y ( cubic spinel , space group Fd3m ) . Polymorphic transitions in Mn3O4 ...
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La2O , -CaO- ( manganese oxides ) system . In the CaO - MnO2 system , six manganites were established : Ca2MnO4 ( tetragonal , space group 14 / acd [ 52 , cd . 82-0356 ] ) , CaMnO , ( orthorhombic , space group Pnma [ 52 , cd .
La2O , -CaO- ( manganese oxides ) system . In the CaO - MnO2 system , six manganites were established : Ca2MnO4 ( tetragonal , space group 14 / acd [ 52 , cd . 82-0356 ] ) , CaMnO , ( orthorhombic , space group Pnma [ 52 , cd .
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Å 12.60 20.4 12.45 20.0F 12.30 19.6 V , Å3 V , Å3 189- 302 183 294 177 0.2 0.4 0.6 0.8 1.0 286 0 0.2 0.4 0.6 0.8 1.0 x -X BaLa2O crystallizes in tetragonal space group Pnam [ 52 , cd . 42-1500 ] . The perovskite barium - substituted ...
Å 12.60 20.4 12.45 20.0F 12.30 19.6 V , Å3 V , Å3 189- 302 183 294 177 0.2 0.4 0.6 0.8 1.0 286 0 0.2 0.4 0.6 0.8 1.0 x -X BaLa2O crystallizes in tetragonal space group Pnam [ 52 , cd . 42-1500 ] . The perovskite barium - substituted ...
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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