Structure of ferroelectric Aurivillius phases studied by transmission electron microscopy

• Autorzy: Madigou V. , Villain S. , Nihoul G.

Warianty tytułu

PL

Struktura fazy ferroelektrycznej typu Aurivillus na podstawie badań TEM

• Konferencja: Advanced Materials and Technologies, AMT'2004 : XVII Physical Metallurgy and Materials Science Conference (XVII; 20-24.06.2004; Łódź, Polska)
• Języki publikacji: EN

Abstrakty

EN

We present some results obtained by High Resolution Electron Microscopy (HREM) showing the existence of structural defects in the ferroelectric Aurivillius phases used in non volatile memories FeRAM. These defects are well explained by the particular crystallography of the Aurivillius phases; their existence is important when building FeRAM.

Słowa kluczowe

PL

faza ferroelektryczna; struktura; TEM

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Inżynieria Materiałowa
• Rocznik: 2004
• Tom: R. XXV, nr 3
• Strony: 389--392
• Opis fizyczny: Bibliogr. 11 poz., rys.

Twórcy

autor

Madigou V.

• Laboratoire Matériaux et Microélectronique de Provence Université de Toulon et du Var, La Garde, France

autor

Villain S.

• Laboratoire Matériaux et Microélectronique de Provence Université de Toulon et du Var, La Garde, France

autor

Nihoul G.

• Laboratoire Matériaux et Microélectronique de Provence Université de Toulon et du Var, La Garde, France

Bibliografia

• [1] Bartic T.A.: Physical modeling, characterization and design of ferroelectric non-volatile memories. Leuven (Belgium): Ph. D. Thesis;2001.
• [2] Ramesh R., Aggarwal S. and Auciello O.: Science and technology of ferroelectric films and heterostructures for non-volatile ferroelectric memories. Materials Science and Engineering 32(2001) 191-236.
• [3] Uhlmann D.R., Dawley J.T., Poisl W.H. and Zelinski B.J.J.: Ferroelectric films. Journal of Sol-Gel Science and Technology 19 (2000) 53-64.
• [4] Paz de Araujo C.A., Cuchiaro J.D., McMillan L.D., Scott M.C. and Scott J.F.: Fatigue-free ferroelectric capacitors with platinum electrodes. Nature 374 (1995) 627-629.
• [5] Shimakawa Y, Kubo Y, Nakagawa Y, Kamiyama T, Asano H and Izumi F: Crystal structures and ferroelectric properties of SrBi2Ta2O9 and Sr08Bi22Ta2O9. Applied Physics Letters 74 (1999) 1904-1906.
• [6] Hervoches C. H. and Lightfoot P.: A variable-temperature Powder Neutron Diffraction Study of Ferroelectric Bi4Ti3Oi2. Chem. Mater. 11 (1999)3359.
• [7] Yi J.H.: Preparation par voie soł-gel, caracterisation et proprietes electriques de couches minces ferroelectriques de SrBi2(Nb,Ta)2O9. Limoges (France). Ph. D. Thesis; 1998.
• [8] Yillain S., Madigou V. and Nihoul G.: Influence of the heat treatment in the preparation of SBT powders by soi gel methods. To be published.
• [9] Sirotinkin V.P., Sirotinkin S.P.: Structures of ANb2O6 - ATa2O6, A = Ca, Sr, Ba, Zh. Neorg. Khim 38 (1993) 1071.
• [10] Madigou V., Yillain S. and Nihoul G., Visualisation of ferroelectric domains in SrBi2Ta2O9 by HREM image processing, to be published.
• [11] Rae A.D., Thompson J.G. and Withers R.L.: Structure refinement of commensurately modulated bismuth strontium tantalate, Bi2SrTa2O9. Acta Crystallographica B48 (1992) 418-428.