Abstract Cool Spark Plasma Sintering recently emerged as an efficient approach to sinter thermodynamically fragile materials. In the context of an exploratory study aiming at the identification of new fragile ferroic materials, high density ceramics (98% of theoretical density) of copper acetate diamine Cu(CH3COO)2·2NH3 were obtained. The stabilization of its tridimensional framework by weak H-bonding qualifies this compound as a molecular material and limits its thermodynamic stability. However Cool Spark Plasma Sintering enables its efficient densification, through stabilization 90 °C beyond its decomposition temperature. This constitutes the first report of the sintering of molecular polycrystal, i.e. first example of molecular ceramic.

中文翻译：

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Cool-Spark等离子烧结：分子陶瓷发展的契机

摘要 冷火花等离子体烧结最近成为烧结热力学脆性材料的一种有效方法。在一项旨在鉴定新型易碎铁性材料的探索性研究中，获得了醋酸铜二胺 Cu(CH3COO)2·2NH3 的高密度陶瓷（理论密度的 98%）。通过弱氢键稳定其三维框架使该化合物成为一种分子材料并限制了其热力学稳定性。然而，Cool Spark Plasma Sintering 通过在超过其分解温度 90 °C 的温度下稳定下来，实现了其有效的致密化。这构成了分子多晶烧结的第一个报道，即分子陶瓷的第一个例子。