Title :
Single crystal fibers of rare earth ortho-niobate: Growth, ferroelastic property, and domain studies
Author :
Guo, Ruyan ; Jiang, Yijian ; Bhalla, A.S. ; Cross, L.E.
Author_Institution :
Intercoll. Mater. Res. Lab., Pennsylvania State Univ., University Park, PA, USA
Abstract :
One dimensional single crystals of LaNbO4, NdNbO4 and CeNbO4 have been grown successfully by a laser heated pedestal growth technique. Some physical properties and the ferroic phase transitions as a function of temperature are studied over the range room temperature to 800°C by various thermal, electric and optical analytical techniques. Twin walls are observed, and their relations with the ferroelastic phase transition are discussed
Keywords :
cerium compounds; crystal growth from melt; dielectric losses; domain boundaries; ferroelastic transitions; fibres; lanthanum compounds; neodymium compounds; permittivity; thermal expansion; twin boundaries; 25 to 800 C; CeNbO4; LaNbO4; NdNbO4; dielectric constant anisotropy; dielectric loss; domain structure; ferroelastic phase transition; ferroelastic property; ferroic phase transitions; laser heated pedestal growth technique; one dimensional single crystals; rare earth ortho-niobate; single crystal fiber growth; temperature dependence; thermal expansion coefficients; twin walls; Capacitance measurement; Ceramics; Crystals; Dielectric measurements; Electrical resistance measurement; Fiber lasers; Optical fiber devices; Optical scattering; Temperature; Thermal variables measurement;
Conference_Titel :
Applications of Ferroelectrics, 1996. ISAF '96., Proceedings of the Tenth IEEE International Symposium on
Conference_Location :
East Brunswick, NJ
Print_ISBN :
0-7803-3355-1
DOI :
10.1109/ISAF.1996.598171
