Thermal Analysis Study of Diol-Based Precursors for Chemical Solution Deposition of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 Thin Films

نویسندگان

  • B. Malic
  • M. L. Calzada
  • J. Cilensek
  • M. Kosec
چکیده

Thermal decompositions of the precursors for chemical solution deposition of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 thin films were studied. The precursors were prepared from lead acetate or acetylacetone-modified lead acetate by diol-based route, and dried at 100 C. Thermal decompositions of the PT, PMN and PMN-PT precursors in air occur stepwise. Between room temperature and approximately 200 C the weight loss of a few % is due to evaporation of residual solvents. Organic groups decompose in the 200 400 C and 400 -650 C ranges. The thermal decompositions are affected by the choice of the Pb-compound and chemical composition of the sample.

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تاریخ انتشار 2009