發送短信 : Compositional range and electrical properties of lead-free Bi<inf>0.5</inf>(Na<inf>0.8</inf>K<inf>0.2</inf>)<inf>0.5</inf>TiO<inf>3</inf>-(Ba<inf>0.98</inf>Nd<inf>0.02</inf>) TiO<inf>3</inf>system

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