A non-stoichiometric glass composition having greater than or equal to about 50 mol. % to less than or equal to about 95 mol. % GeX2; greater than or equal to about 0.5 mol. % to less than or equal to about 35 mol. % Ga2X3, In2X3, or a combination thereof; and greater than or equal to about 0.5 mol. % to less than or equal to about 40 mol. % RX. R can be an alkaline earth metal. X can be present in a non-stoichiometric amount and can be selected from Se, Te, S, and combinations thereof. A method for making a non-stoichiometric glass including forming a GaGeX precursor material, grinding the precursor material, loading the ground precursor material with an alkaline earth metal component, and forming an alkaline earth metal GaGeX glass.
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机译：一种非化学计量的玻璃组合物，具有大于或等于约50摩尔。 ％至小于或等于约95mol。 ％GeX 2 ;大于或等于约0.5摩尔。 ％至小于或等于约35摩尔。 ％Ga 2 X 3 ，In 2 X 3 或它们的组合;大于或等于约0.5摩尔。 ％至小于或等于约40摩尔。 ％RX。 R可以是碱土金属。 X可以以非化学计量的量存在，并且可以选自Se，Te，S及其组合。一种制造非化学计量玻璃的方法，该方法包括形成GaGeX前体材料，研磨前体材料，向研磨的前体材料中加载碱土金属成分，以及形成碱土金属GaGeX玻璃。
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