Title :
Investigation of advanced ceramics including optical second harmonic generation
Author :
Liberts, G. ; Zauls, V. ; Sternberg, A. ; Peleke, Z. ; Birks, E. ; Popova, I. ; Gajevskis, A. ; Weber, H.W. ; Seidl, E. ; Wacenovsky, M. ; Czurda, C.
Author_Institution :
Inst. of Solid State Phys., Latvia Univ., Riga, Latvia
Abstract :
The basic ferroelectric (FE) and superconductive (SC) properties of artificial ceramic composites containing SC and FE grains have been tested. The coexistence and interaction of SC and FE components have been detected by means of second optical harmonic, resistivity, and AC magnetic susceptibility measurements. Since the superconductive properties of the composites do not deteriorate too much, the thermally and spatially controlled spontaneous deformation of the Fe component seems to be suitable for a controlled adjustment of superconductive properties, in particular flux pinning, in these composites
Keywords :
barium compounds; ceramics; composite materials; electrical conductivity of crystalline semiconductors and insulators; ferroelectric materials; flux pinning; high-temperature superconductors; lead compounds; magnetic susceptibility; optical harmonic generation; strontium compounds; yttrium compounds; AC magnetic susceptibility; YBaCuO-BaTiO3; YBaCuO-PbxSr1-xTiO3; advanced ceramics; composites; ferroelectric properties; flux pinning; high temperature superconductors; optical second harmonic generation; resistivity; spontaneous deformation; superconductive properties; Atom optics; Ceramics; Ferroelectric materials; Iron; Magnetic materials; Nonlinear optics; Optical harmonic generation; Superconducting materials; Superconducting transition temperature; Superconductivity;
Conference_Titel :
Applications of Ferroelectrics, 1990., IEEE 7th International Symposium on
Conference_Location :
Urbana-Champaign, IL
Print_ISBN :
0-7803-0190-0
DOI :
10.1109/ISAF.1990.200332
