| 摘要 |
<p>An optical information recording medium which is excellent in storage stability and the data on which can be recorded / erased quickly. The optical information recording medium having a phase-change recording layer capable of having at least two phases is made of a material of containting a main component having a composition expressed by general formula (1) below. (AuxSb1-x)1-yGey (1) where x and y are numbers satisfying the inequalities 0.01 ≤ x ≤ 0.4, 0 < y ≤ 0.3.</p> |
