Poling of ferroelectric thin films

Poling of lead zirconate titanate pyroelectric thin films has been studied. Poling temperature and electrical field were optimized to achieve high figures of merit. We have found a direct correlation between the onset of degradation current and the final pyroelectric coefficient showing that thermal activation for defect motion is imperative for poling. We have proposed that defects and defect dipole complexes play a major role to obtain stable and metastable domain configurations after dc poling at high temperature and field cycling, respectively.

[1]  G. Arlt,et al.  Internal bias in acceptor‐doped BaTiO3 ceramics: Numerical evaluation of increase and decrease , 1990 .

[2]  R. Waser.  Polarization, Conduction, and Breakdown in Non-Ferroelectric Perovskite Thin Films , 1995 .

[3]  Nava Setter,et al.  Photoinduced poling of lead titanate zirconate thin films , 1997 .

[4]  K. H. Hardtl,et al.  Electrical after-effects in Pb(Ti, Zr)O3 ceramics , 1977 .

[5]  Paul Muralt,et al.  Removal of 90° domain pinning in (100) Pb(Zr0.15Ti0.85)O3 thin films by pulsed operation , 1998 .

[6]  Paul Muralt,et al.  Texture control of PbTiO3 and Pb(Zr,Ti)O3 thin films with TiO2 seeding , 1998 .

[7]  T. Maeder,et al.  Processing and properties of thin film pyroelectric devices , 1995 .

[8]  Peter Ryser,et al.  Pyroelectric thin-film sensor array , 1997 .

[9]  Wolfram Wersing,et al.  Deposition of self-polarized PZT films by planar multi-target sputtering , 1997 .

[10]  P. Muralt,et al.  Thin film pyroelectric arrays as infra-red detectors , 1997 .

[11]  N. Setter,et al.  Gas spectrometry based on pyroelectric thin-film arrays integrated on silicon , 1998 .

[12]  R. Waser,et al.  Science and technology of electroceramic thin films , 1995 .

[13]  C. B. Sawyer,et al.  Rochelle Salt as a Dielectric , 1930 .

[14]  Dragan Damjanovic,et al.  Evidence of domain wall contribution to the dielectric permittivity in PZT thin films at sub-switching fields , 1997 .

[15]  Paul Muralt,et al.  Fabrication and characterization of PZT thin-film vibrators for micromotors , 1995 .

[16]  R. W. Schwartz,et al.  Photoinduced hysteresis changes and optical storage in (Pb,La)(Zr,Ti)O3 thin films and ceramics , 1994 .

[17]  Jun Hee Lee,et al.  Voltage offsets in (Pb,La)(Zr,Ti)O3 thin films , 1995 .