Impedance Analysis and Conduction Mechanisms of Lead Free Potassium Sodium Niobate (KNN) Single Crystals and Polycrystals: A Comparison Study

2015 ◽  
Vol 15 (3) ◽  
pp. 1289-1294 ◽  
Author(s):  
Muhammad Asif Rafiq ◽  
Maria Elisabete Costa ◽  
Alexander Tkach ◽  
Paula Maria Vilarinho
Keyword(s):  
Single Crystals ◽  
Impedance Analysis ◽  
Lead Free ◽  
Sodium Niobate ◽  
Comparison Study ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
Conduction Mechanisms

Investigation of the domain structure and hierarchy in potassium–sodium niobate lead-free piezoelectric single crystals

RSC Advances ◽  
2016 ◽  
Vol 6 (54) ◽  
pp. 49060-49067 ◽  
Author(s):  
Micka Bah ◽  
Natalya Alyabyeva ◽  
Richard Retoux ◽  
Fabien Giovannelli ◽  
Mustapha Zaghrioui ◽  
...  
Keyword(s):  
Single Crystals ◽  
Domain Structure ◽  
Lead Free ◽  
Nanometer Scale ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Length Scales ◽  
Potassium Sodium ◽  
Domain Structures ◽  
Self Organized

We reported self-organized and hierarchized domain structures on various length scales ranging from micrometer to nanometer scale in K0.5Na0.5NbO3 crystals.

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