Structural and dielectric properties of ferroelectric Sr4R2Ti4Nb6O30 (R = Sm and Nd) ceramics

• Published in: Journal of materials science Vol. 40; no. 2; pp. 529 - 531
• Main Authors: ZHANG, H, FANG, L, HUANG, T. H, LIU, H. X, YUAN, R. Z, DRONSKOWSKI, R
• Format: Journal Article
• Language: English
• Published: Heidelberg Springer 15.01.2005; Springer Nature B.V
• Subjects: Applied sciences; Building materials. Ceramics. Glasses; Ceramic industries; Chemical industry and chemicals; Condensed matter: electronic structure, electrical, magnetic, and optical properties; Dielectric properties; Dielectric, piezoelectric, ferroelectric and antiferroelectric materials; Dielectrics, piezoelectrics, and ferroelectrics and their properties; Electrotechnical and electronic ceramics; Exact sciences and technology; Ferroelectricity; Niobates, titanates, tantalates, pzt ceramics, etc; Physics; Technical ceramics; Samarium oxides; Scanning electron microscopy; Electrical properties; Dielectric properties; Neodymium oxides; Ferroelectric ceramics; Niobium Samarium Strontium Titanium Oxides Mixed; Neodymium Niobium Strontium Titanium Oxides Mixed; Experimental study; X ray diffraction; Oxide ceramics; Titanium Oxides; Lanthanide compound; Niobium Oxides; Solid state reaction; Manufacturing; Microstructure; Strontium Oxides; Permittivity; Structural analysis; Electroceramics
• ISSN: 0022-2461; 1573-4803
• DOI: 10.1007/s10853-005-6121-3

A number of compounds such as Ba5RTi3Nb7O30, Ba3R3Ti5Nb5O30, and Ba4R2Ti4Nb6O30 have been studied in BaO-R2O3-TiO2-Nb2O5 (R = Dy, La, Nd, Sm, and Y) system in order to find new TB niobate ceramics. However, very little data are available on the structure and dielectric properties of materials with the TB structure in the SrO-TiO2-R2O3-Nb2O5 system. Thus, we report here the structural and dielectric properties of Sr4R2Ti4Nb6O30 [R = Nd, and Sm].