PIEZORESPONSE FORCE MICROSCOPY OF PLD-GROWN MULTIFERROIC BiFeO3 FILMS AND MESOSTRUCTURES
| Autor: | François Normandin, Catalin Harnagea, Riad Nechache, C V Cojocaru, Teodor Veres, O. Gautreau, Alain Pignolet |
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| Rok vydání: | 2006 |
| Předmět: |
Fabrication
Materials science Nanotechnology Condensed Matter Physics Ferroelectricity Electronic Optical and Magnetic Materials Pulsed laser deposition chemistry.chemical_compound Piezoresponse force microscopy Ferromagnetism chemistry Control and Systems Engineering Materials Chemistry Ceramics and Composites Multiferroics Electrical and Electronic Engineering Thin film Bismuth ferrite |
| Zdroj: | Integrated Ferroelectrics. 83:1-12 |
| ISSN: | 1607-8489 1058-4587 |
| DOI: | 10.1080/10584580600949022 |
| Popis: | Bismuth ferrite BiFeO3 is a multiferroic material, exhibiting both electric and magnetic ordering at room temperature, properties which make it a promising material for use in novel device fabrication. We report here the successful fabrication of BiFeO3 thin films and of isolated micron-sized structures by pulsed laser deposition. We present the structure and morphology of the films as well as their local ferroelectric properties investigated by piezoresponse force microscopy, a unique tool for the study of the basic piezoelectric & ferroelectric phenomena at the nanometer scale (ferroelectric domains imaging and local switching). In addition, preliminary magnetic measurements demonstrate the coexistence at room temperature of weak ferromagnetism and of ferroelectricity. |
| Databáze: | OpenAIRE |
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