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Yttrium atoms form noticeable covalent bonds with the nearest neighboring atoms ; the covalent character of Y - O bonds in a - Al2O3 is much more pronounced than that of the Y - O bonds in Y2O3 [ 98 ] and the Al - O bonds in α - Al2O3 ...
Yttrium atoms form noticeable covalent bonds with the nearest neighboring atoms ; the covalent character of Y - O bonds in a - Al2O3 is much more pronounced than that of the Y - O bonds in Y2O3 [ 98 ] and the Al - O bonds in α - Al2O3 ...
Trang S-26
Bond energy of oxygen atoms ( Eb , eV ) in the boundary layer for clusters modeling the M / Al2O3 interface ( M = Sc ... to the ( 0001 ) face of Al2O3 decreases in line with a decrease in the covalent contribution to the M - O bonds .
Bond energy of oxygen atoms ( Eb , eV ) in the boundary layer for clusters modeling the M / Al2O3 interface ( M = Sc ... to the ( 0001 ) face of Al2O3 decreases in line with a decrease in the covalent contribution to the M - O bonds .
Trang S-110
If the contribu- tion of π bonds is not considered , the principal shield- ing tensor components σ ;; are related to structural and quantum - chemical parameters of the environment of the atom M by the straightforward formula σ¡¡ = -ΣA ...
If the contribu- tion of π bonds is not considered , the principal shield- ing tensor components σ ;; are related to structural and quantum - chemical parameters of the environment of the atom M by the straightforward formula σ¡¡ = -ΣA ...
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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