Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18248
Title: Enhanced magnetoelectrical coupling in cobalt ferrite/lead lanthanum zirconate titanate 0-3 composites through phase boundary modification
Authors: Li, K
Shi, DL
Zhu, Y
Wang, Y 
Chan, HLW 
Peng, S
Keywords: Ceramics
Composite materials
Ferroelectricity
Piezoelectricity
Issue Date: 2013
Publisher: Elsevier
Source: Materials chemistry and physics, 2013, v. 143, no. 1, p. 34-40 How to cite?
Journal: Materials chemistry and physics 
Abstract: We have developed a processing technique for producing cobalt ferrite (CFO)/lead lanthanum zirconate titanate (PLZT) 0-3 composites with enhanced piezoelectric, ferroelectric and magnetoelectrical (ME) coupling properties. It includes modifying the phase boundary with zirconia barrier layer and decreasing the sintering temperature with Li2O + 0.5Bi2O3 additives. The CFO/PLZT 0-3 composites were successfully fabricated via conventional co-firing procedures. The obtained 0-3 composite ceramics can withstand a DC electric field of 6 kV mm-1. The effects of CFO/PLZT ratio on the crystalline structure, piezoelectric, ferroelectric, dielectric and M-E properties were investigated. The M-E coefficients of the composites with CFO:PLZT volume ratio of 14.4:85.6, 27.4:72.6 and 39.3:60.7 were found to be 31, 52 and 143 mV (Oe cm)-1 at 100 kHz under a bias field of ∼1 kOe.
URI: http://hdl.handle.net/10397/18248
ISSN: 0254-0584
EISSN: 1879-3312
DOI: 10.1016/j.matchemphys.2013.07.039
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