2023
DOI: 10.1002/pssa.202200557
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Phase Character and Dielectric Properties of Amphoteric Holmium‐Doped Ba0.90Ca0.10(Ti0.95Zr0.05)2O5 Polycrystalline Ceramics

Abstract: Amphoteric rare-earth ion dopants can improve ferroelectric ceramic electrical performance because of their amphoteric ion radius and valences. Herein, Ho 3þdoped Ba 0.90 Ca 0.10 (Ti 0.95 Zr 0.05 ) 2 O 5 ceramics are sintered at 1230 °C with assynthesized nanoparticles. The effects of various holmium contents (x) on the phase, structure, dielectric, and piezoelectric characteristics are investigated. For low x (<1.5 mol%), Ho 3þ occupies the Ba 2þ or/and Ca 2þ sites, leading to high dielectric properties due t… Show more

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