NDLI: Vertical morphotropic phase boundary in lead-free piezoelectric ceramics (K,Na,Li)NbO3–BaZrO3–(La,Na)TiO3 system

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Vertical morphotropic phase boundary in lead-free piezoelectric ceramics (K,Na,Li)NbO3–BaZrO3–(La,Na)TiO3 system

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Ryosuke Baba Tomoaki Karaki Tadashi Fujii
Abstract	A morphotropic phase boundary (MPB) with temperature-independent behavior, the so-called vertical MPB was investigated in lead-free (K,Na,Li)NbO3–BaZrO3–(La,Na)TiO3 ternary ceramic system. The specimens were synthesized by a conventional solid-state reaction method, and their crystal structures as well as their MPB were determined from X-ray diffraction patterns measured from room temperature to 300∘C. The vertical MPB composition was determined to be 0.9025(K0.45Na0.5Li0.05)NbO3–0.09BaZrO3–0.0075(La,Na)TiO3 and the Curie temperature was found to be about 195∘C. It was successfully confirmed that ceramic samples of this system could be sintered in a reducing atmosphere. For lead-free piezoceramic applications of multilayer actuators using Ni inner electrodes, the results obtained in this work have important practical implications.
Related Links	http://www.worldscientific.com/doi/pdf/10.1142/S2010135X16500089
ISSN	2010135X
e-ISSN	20101368
DOI	10.1142/S2010135X16500089
Journal	Journal of Advanced Dielectrics
Issue Number	2
Volume Number	6
Language	English
Publisher	World Scientific Publishing
Publisher Place	Singapore
Access Restriction	Open
Subject Keyword	Electricity Lead-free Piezoceramics Vertical Morphotropic Phase Boundary Reducing Atmosphere High-temperature Xrd Phase Transition
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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