图1 (IMAGE)

Science China Press

图1

Caption

二维双金属磷酸盐结构 (MIMIIP2X6,MI和MII 是不同的两种金属元素, X是氧族元素) (a) 俯视图(b) 顺电相的侧视图 (c) 极化方向相反的铁电相的侧视图(d)(e) 两种铁电金属（AuHfP2O6和AuZrP2O6）的能量随极化强度变化的曲线，展示出铁电-顺电相变。

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