Abstract A highly transparent ceramics based on erbium oxide was successfully obtained using a sintering additive of lanthanum oxide. The microstructure and phase composition of the initial powders and the obtained ceramics, as well as the sinterability of the powder compacts depending on the content of the sintering additive, were studied. 5% La:Er2O3 ceramics showed the best combination of characteristics among the studied samples. In particular, it has 81.3% linear transmission at a wavelength of 1.8 μm for 1 mm thickness, a microhardness of 8.6 GPa, an elastic modulus of 190 GPa, a crack resistance of 0.98 MPa m0.5, and a thermal conductivity of 6 W/m·K at 298 K.

中文翻译：

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氧化铒基光学陶瓷的制备与表征

摘要 以氧化镧为烧结助剂，成功制备了高透明氧化铒陶瓷。研究了初始粉末和所得陶瓷的微观结构和相组成，以及取决于烧结添加剂含量的粉末压块的可烧结性。5% La:Er2O3 陶瓷在所研究的样品中表现出最佳的特性组合。特别是1mm厚度在1.8μm波长下的线性透射率为81.3%，显微硬度为8.6GPa，弹性模量为190GPa，抗裂性为0.98MPa·m0.5，热导率为6W /m·K 在 298 K。