Local probing of the polarization state in thin Pb(ZrTi)O[sub 3] films during polarization reversal

Mishina, E. D.; Sherstyuk, N. E.; Pevtsov, E. Ph.; Vorotilov, K. A.; Sigov, A. S.; Moret, M. P.; Ro¨ssinger, S. A.; Larsen, P. K.; Rasing, Th.
February 2001
Applied Physics Letters;2/5/2001, Vol. 78 Issue 6, p796
Academic Journal
The polarization state of a thin Pb(ZrTi)O[sub 3] film is probed by optical second-harmonic generation (SHG) while applying an external voltage (a sine wave). A hysteresis in the SHG intensity is observed that corresponds to the dielectric hysteresis and is analyzed using a phenomenological relation between the SHG intensity and the dielectric polarization. Based on this model, the polarization state of the film during polarization reversal is mapped. © 2001 American Institute of Physics.


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