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EXPERIMENTAL Feedstocks were KNO3 + BamBim + nO , [ 21 , 22 ] and KNO3 + BaO2 + Bi2O3 . The KNO , and Bi2O , samples were reagent grade ; the BaO2 was analytical grade . The barium - to - bismuth feed ratios were 1 : 2 , 3 : 5 , 2 : 3 ...
EXPERIMENTAL Feedstocks were KNO3 + BamBim + nO , [ 21 , 22 ] and KNO3 + BaO2 + Bi2O3 . The KNO , and Bi2O , samples were reagent grade ; the BaO2 was analytical grade . The barium - to - bismuth feed ratios were 1 : 2 , 3 : 5 , 2 : 3 ...
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The mean bismuth oxidation number in the samples is Bi = 3.01-3.02 . No superconductivity was observed in them . In the course of subsequent annealing under an oxy- gen atmosphere , new oxides are formed ( Figs .
The mean bismuth oxidation number in the samples is Bi = 3.01-3.02 . No superconductivity was observed in them . In the course of subsequent annealing under an oxy- gen atmosphere , new oxides are formed ( Figs .
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Only separate bismuth - potassium oxides have been prepared : cubic K3BiO3 [ 3 ] , triclinic K , Bi2O , [ 4 ] , mon- oclinic KBIO2 [ 5 ] , K2Bi̟4O7 ( Bi ' = 3.00 ) with an uni- dentified structure [ 6 ] , KBIO , ( Bi = 5.00 ) that ...
Only separate bismuth - potassium oxides have been prepared : cubic K3BiO3 [ 3 ] , triclinic K , Bi2O , [ 4 ] , mon- oclinic KBIO2 [ 5 ] , K2Bi̟4O7 ( Bi ' = 3.00 ) with an uni- dentified structure [ 6 ] , KBIO , ( Bi = 5.00 ) that ...
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Vol 46 No 9 | 1275 |
Chemical Properties of Higher Buckminster Fullerene Fluorides | 1282 |
Synthesis and Crystal Structure of the Binary Polyphosphate AgMnPO33 | 1288 |
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acid activation addition analysis angle anions annealed appear atoms average bands bismuth bond bond lengths boundary calculated carbon cations Chem chemical Chemistry chloride cm-¹ complexes composition compounds concentration containing coordination copper Copyright corresponding crystal crystal structure curves decrease described determined distances effect electron energy existence experimental formation formed fragmentation H₂O heating increase indicates Inorganic intensity interaction involved ions Khim layers ligand lines located measured melting metal method mixture molecules Moscow Neorg observed obtained Original oxides oxygen atoms phase Physics plane points polyhedra polyhedron positions prepared presented properties range reaction REFERENCES refined reflections region relative respectively Russian samples Sciences shows similar singular solid solutions space group spectra spectrum stage structure studied synthesis Table temperature tetrahedra thermal tion transformations transition unit cell values water molecules X-ray diffraction