Mihailova
Mihailova
Mihailova
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Our general goals<br />
Raman scattering and X-ray ray diffraction on single crystals<br />
PbSc0.5Ta0.5O3 (PST)<br />
and<br />
PbSc0.5Nb0.5O3 (PSN)<br />
A-site-doped PST and PSN,<br />
substitution of Ba 2+ , La 3+ , Bi 3+ for Pb 2+<br />
Nb-doped PST, substitution of Nb 5+ for Ta 5+<br />
High-pressure<br />
High pressure studies on relaxors of type PbB’ 0.5B” 0.5O3 :<br />
- atomic clustering under pressure<br />
- pressure-induced phase transitions<br />
AB’ 1/2 B” 1/2 O 3<br />
AB’ 1/3 B” 2/3 O 3<br />
- changes in the compression behaviour upon doping
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