Asymmetry of Polarization Reversal and Current-Voltage Characteristics of Pt/PZT-Film/Pt:Ti/SiO2/Si-Substrate Structures | Zendy

S. L. Bravina | Zendy; Nicholas V. Morozovsky | Zendy; J. Costecalde | Zendy; Caroline Soyer | Zendy; Denis Rémiens | Zendy; D. Deresmes | Zendy

Open Access

Asymmetry of Polarization Reversal and Current-Voltage Characteristics of Pt/PZT-Film/Pt:Ti/SiO₂/Si-Substrate Structures

Author(s) -

S. L. Bravina,

Nicholas V. Morozovsky,

J. Costecalde,

Caroline Soyer,

Denis Rémiens,

D. Deresmes

Publication year - 2011

Publication title -

smart materials research

Language(s) - English

Resource type - Journals

eISSN - 2090-3561

pISSN - 2090-357X

DOI - 10.1155/2011/374915

Subject(s) - asymmetry , materials science , voltage , polarization (electrochemistry) , ferroelectricity , optoelectronics , current (fluid) , condensed matter physics , substrate (aquarium) , electrical engineering , physics , chemistry , dielectric , quantum mechanics , engineering , oceanography , geology

The characterization of the asymmetries of bipolar charge-voltage and current-voltage loops of polarization reversal and unipolar current-voltage curves for Pt/PZT-film/Pt:Ti/SiO2/Si-substrate systems was performed in the dynamic mode. The asymmetry of local deformation-voltage loops was observed by piezoresponse force microscopy. The comparison of the dependences of introduced asymmetry factors for the bipolar charge-voltage and current-voltage loops and unipolar current-voltage curves on drive voltage indicates the interconnection of ferroelectric and electrical space charge transfer asymmetries

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