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A similar phenomenon was observed in samples of the well - known system YBa2Cu306 + 8 when & increased from 0.2 to 0.5 . Such a system can be 2 treated as heterogeneous , and the appearance of finely 2 dispersed superconducting ...
A similar phenomenon was observed in samples of the well - known system YBa2Cu306 + 8 when & increased from 0.2 to 0.5 . Such a system can be 2 treated as heterogeneous , and the appearance of finely 2 dispersed superconducting ...
Trang 1195
The sample had a shape of a rectangular parallelepiAccording to the X - ray diffraction data , there are two ped and ... The samples were prepared ( 2 ) N + N , + N , = 1 , by the solid - state synthesis from the starting materials of ...
The sample had a shape of a rectangular parallelepiAccording to the X - ray diffraction data , there are two ped and ... The samples were prepared ( 2 ) N + N , + N , = 1 , by the solid - state synthesis from the starting materials of ...
Trang 1223
The heats of the phase transitions determined for sample 11 were rather small : ~ -16 , Qu ~ -400 , and lm ~ -290 J / mol . ... For several other initial samples ( curves 1 and 5 ) , only two phase transitions were observed .
The heats of the phase transitions determined for sample 11 were rather small : ~ -16 , Qu ~ -400 , and lm ~ -290 J / mol . ... For several other initial samples ( curves 1 and 5 ) , only two phase transitions were observed .
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Nội dung
Vol 39 No 5 1994 NOV 16 | 675 |
LiquidPhase Sintering of Superconducting YBa2Cuzo Ceramics | 693 |
Properties of Perovskitelike Layered Ferroelectric Compounds of the Am BizMmO3m + 3 Type | 705 |
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absorption According acid addition analysis angles anion aqueous atoms bands bismuth bonds calculated cations charge Chem chemical Chemistry chloride complex composition compounds concentration constant containing coordination Copyright corresponding crystal curve decrease dependence described determined diagram distances effect electron energy equilibrium exhibit experimental extraction Figure follows formation heating hydrogen increase indicate initial Inorganic intensity interaction ions Khim layers leads ligand measured melting metal method mixture molecules Moscow Neorg nitrate Note observed obtained oxidation oxygen parameters phase position possible prepared present properties Publishing range ratio reaction REFERENCES region respectively Russian salts samples Sciences shift shows similar sodium solid solutions solubility solution space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition Translation values various vibrations X-ray diffraction