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2015年5月31日 · Ferroelectric and magnetic properties of Fe-doped K0.45Na0.49Li0.06NbO3 (KNLN) and Cu-doped KNLN ceramics were investigated. Comparing with pure KNLN ceramic, Fe-doped KNLN shows ferromagnetic and ferroelectric properties simultaneously while Cu-doped KNLN shows stronger diamagnetic and ferroelectric properties.

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2021年5月27日 · Environment-friendly lead-free piezoelectric ceramics with great properties and high thermal stability are desired in the industry. In this work, the Sm 3+ -modified lead-free 0.915 (K 0.45 Na 0.5 Li 0.05)NbO 3 –0.075BaZrO 3 –0.01 (Bi 0.5 Na 0.5)TiO 3 (KNLN-BZ-BNT) ceramics are prepared.

Doping of praseodymium and neodymium promotes the formation of the tetragonal phase in the base composition (KNLN) at lower temperatures. In the case of the KNLN:Nd and KNLN:Pr samples, the XRD patterns show a reflection disorder in the above 2θ range, and the coexistence of two phases (orthorhombic and tetragonal symmetries) is observed.

2014年2月7日 · Ferroelectric and magnetic properties of Fe-doped K0.45Na0.49Li0.06NbO3 (KNLN) and Cu-doped KNLN ceramics were investigated. Comparing with pure KNLN ceramic, Fe-doped KNLN shows ferromagnetic and ferroelectric properties simultaneously while Cu-doped KNLN shows stronger diamagnetic and ferroelectric properties.

2021年8月1日 · In this work, an ultrahigh piezoelectric coefficient with calibrated d 33 from 400 pm V-1 to 814 pm V-1 is achieved in Li-doped (K,Na)NbO 3 (KNLN) lead-free piezoelectric nanorod arrays (NRAs). The giant enhancement on the piezoelectric performance of the KNLN nanorods can be attributed to the manipulation on the phase transition behavior ...

2021年7月8日 · In this work, 0.94(K0.48Na0.52)0.935Li0.065NbO3–0.06BaZrO3 (abbreviated as KNLN–0.06BZ) lead-free ceramics were prepared by conventional sintering (CS) and three-step sintering (TSS). The effects of sintering process on the microstructure and piezoelectric properties of ceramics were systematically studied.

XRD spectra of the KNN, KNLN, KNLS, KNLT compositions in the 2θ range from 10 • to 80 • were shown in Fig. 1. These samples possess a pure perovskite structure at room temperature.

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