Russian Journal of Inorganic Chemistry, Tập 41,Trang 341-681Chemical Society., 1996 |
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Trang 342
... sample ) or 920 ° C ( Nd , Eu , Gd , Y , and Ho samples ) . This procedure yielded single - phase RBa2Cu3O7-8 . The R2BaCuO , phases were also pre- pared by the ceramic procedure using BaCO3 ( analyti- cal grade ) as a barium ...
... sample ) or 920 ° C ( Nd , Eu , Gd , Y , and Ho samples ) . This procedure yielded single - phase RBa2Cu3O7-8 . The R2BaCuO , phases were also pre- pared by the ceramic procedure using BaCO3 ( analyti- cal grade ) as a barium ...
Trang 343
... samples . In the samples doped with Nd3 + , Eu3 + , and Gd3 + , and in the reference yttrium - containing sample , X - ray diffraction patterns from the surface and bulk samples are virtually identical ( Table 1 ) . The data of optical ...
... samples . In the samples doped with Nd3 + , Eu3 + , and Gd3 + , and in the reference yttrium - containing sample , X - ray diffraction patterns from the surface and bulk samples are virtually identical ( Table 1 ) . The data of optical ...
Trang 347
... samples should show the absence of strong bonds and weak intergrain contacts . This was fully proved by measuring the trans- port critical current density : the Je for these samples was within 40-50 A / cm2 . ≈ Therefore , to improve ...
... samples should show the absence of strong bonds and weak intergrain contacts . This was fully proved by measuring the trans- port critical current density : the Je for these samples was within 40-50 A / cm2 . ≈ Therefore , to improve ...
Nội dung
Synthesis and Properties of Inorganic Compounds | 353 |
Conversions of Calcium Phosphates in Water and H3PO4 Solutions | 359 |
Formation of Carbine Intercalation Compounds | 365 |
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absorption according acid analysis angles anions aqueous band bismuth bond bridging calculated carbon cations changes Chem chemical Chemistry chloride clusters cm-¹ complexes composition compounds concentration considered constants containing coordination Copyright corresponding crystal curves cycles decrease dependence determined diffraction distances effect electronic elements energy experimental extraction formation groups H₂O higher hydrazide hydrogen increase indicates Inorganic interaction involved ions Khim lanthanide ligands mechanism melting metal method mixture mol/l molecules molybdenum Moscow Neorg observed obtained occur orbitals organic oxidation oxygen atoms parameters partial peak peritectic phase points position possible potential prepared present properties Publishing range ratio reaction reduction REFERENCES respectively Russian salts samples Sciences similar solid solutions space group spectra spectrum stability structure studied sulfate surface synthesis Table temperature tion Translated values vibrations X-ray yield