Advances in Condensed Matter Physics / 2009 / Article / Tab 1

Research Article

AC Conductivity and Impedance Properties of 0.65Pb()- Ceramics

Table 1

Refined structural parameters of PMN-35PT ceramics using the coexistence model between tetragonal phase (space group P4mm) and monoclinic phase (space group Pm).

Tetragonal phase (space group P4mm)Monoclinic phase (space group Pm)
 Å,  Å,  Å,   Å,
, , and

U (  Ǻ   ) U (  Ǻ   )

0.0000.000U11 = 31.59( )0.028( )0.0000.025( )U11 = 80.0( )
Pb2+0.003( )U22 = 31.59U22 = 79.96
U33 = 31.59U33 = 79.96
Ti4+/0.5000.5000.571( )Uiso = 9.0( )0.490( )0.5000.539( )Uiso = 45.0( )
Nb5+0.5000,5000,418( )Uiso = 68,7( )0,488( )0,5000,542( )Uiso = 46,9( )
Mg2+0,5000.5000.570( )Uiso = 9.0( )0.493( )0.5000.537( )Uiso = 39.0( )
0.5000.5000.156( )Uiso = 8.94( )0.496( )0.5000.059( )Uiso = 67.0( )
0.5000.0000.553( )Uiso = 9.0( )0.505( )0.0000.565( )Uiso = 29.0( )

Ratio67 mol% (Tetragonal)33 mol% (Monoclinic)

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