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The AIO , coordination polyhedra are distorted octahedra with Al - O distances of 1.857 and 1.969 Å ; the minimum Al - Al and O - 0 distances range within 2.649-2.792 and 2.524-2.869 Å , respectively . The unit cell involves two formula ...
The AIO , coordination polyhedra are distorted octahedra with Al - O distances of 1.857 and 1.969 Å ; the minimum Al - Al and O - 0 distances range within 2.649-2.792 and 2.524-2.869 Å , respectively . The unit cell involves two formula ...
Trang S-19
The corresponding supercells have the composition AlVAI O2 and AITAIVO32 , where AIT ( VT ) and Al ° ( Vo ) are the cation ( vacancy ) in tetrahedral and octahedral posi- tions , respectively . 032 It was found that the energy gain is ...
The corresponding supercells have the composition AlVAI O2 and AITAIVO32 , where AIT ( VT ) and Al ° ( Vo ) are the cation ( vacancy ) in tetrahedral and octahedral posi- tions , respectively . 032 It was found that the energy gain is ...
Trang S-164
Similar splittings are observed for the methylene Ha and Hb signals in the ' H NMR spectrum : at a frequency of 200.13 MHz , the distances between the singlets are 5.3 and 12.9 Hz , respectively . The free activation energy at the ...
Similar splittings are observed for the methylene Ha and Hb signals in the ' H NMR spectrum : at a frequency of 200.13 MHz , the distances between the singlets are 5.3 and 12.9 Hz , respectively . The free activation energy at the ...
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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