Lattice vibrational characteristics and structures-properties relationships of non-stoichiometric Nd[Mg 0.5 Sn 0.5(1+x)

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Lattice vibrational characteristics and structures‑properties relationships of non‑stoichiometric ­Nd[Mg0.5Sn0.5(1+x)]O3 ceramics Feng Shi1 · En‑Cai Xiao2 · Guohua Chen3 · Ying Chen4 Received: 22 July 2020 / Accepted: 25 September 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020

Abstract Non-stoichiometric ­Nd[Mg0.5Sn0.5(1+x)]O3 (− 0.04 ≤ x ≤  + 0.04)—type samples were prepared using a traditional two-step solid-state sintering process. Their crystal structures, phase compositions, dielectric properties and lattice vibrational characteristics were identified in detail. The double perovskite Nd(Mg0.5Sn0.5)O3 with a monoclinic structure was distinguished as the main crystalline phase, and pure phase was obtained when x