| 摘要 |
The present invention provides a hologram recording material which is suitable for volume hologram record and attains high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low shrinkage and high multiplicity in holographic memory record using not only a green laser but also a blue laser; a process for producing the same; and a hologram recording medium having the hologram recording material. A hologram recording material comprising: a metal oxide containing at least Si and Zr as metals, wherein an aromatic carboxylic acid compound is coordinated to Zr; and a photopolymerizable compound. The aromatic carboxylic acid compound is, for example, toluic acid. A hologram recording medium ( 11 ) comprising the hologram recording material layer ( 21 ).
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