| 摘要 |
An information recording medium with high recording sensitivity and superior repeat overwriting capability is offered. For this purpose, in a information recording medium ( 15 ) comprising at least recording layer ( 104 ) that records and/or reproduces information through irradiation with a laser beam or applyication of an electric current, and second dielectric layer ( 106 ) on substrate ( 14 ), wherein the second dielectric layer ( 106 ) comprises M1 (provided that M1 is at least one element selected from Sc, Y, La, Gd, Dy and Yb) and O.
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