Defects and charge transport in Mn-doped K0.5Na0.5NbO3 ceramics

Physical Chemistry Chemical Physics : PCCP
Muhammad Asif RafiqPaula Maria Vilarinho

Abstract

The relationship between charge transport, defects and ferroelectric response is established for K0.5Na0.5NbO3 (KNN) and Mn-doped KNN ceramics. At room temperature the conduction in KNN is associated with hole transport and can be suppressed by Mn doping. Because of that a less leaky ferroelectric hysteresis loop is obtained for Mn-doped KNN. At high temperatures the conduction is dominated by the motion of ionized oxygen vacancies, the concentration of which increases with Mn doping. This work adds relevant information on KNN and leverages its potential application.

References

Nov 2, 2004·Nature·Yasuyoshi SaitoMasaya Nakamura

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Citations

Nov 3, 2016·ACS Applied Materials & Interfaces·Muhammad Asif RafiqPaula Maria Vilarinho
Dec 22, 2016·Physical Chemistry Chemical Physics : PCCP·Min ZhouJinsong Zhu
Jan 19, 2020·Materials·Izabela Szafraniak-WizaMałgorzata Adamczyk-Habrakjska
Jan 9, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·You LiaoDunmin Lin

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