Write-once disk with BiFeO thin films for multilevel optical recording

被引：7
|
作者：
Sasa, N
Hayashi, Y
Fujil, T
Otaka, K
Watada, A
Kamezaki, H
Komoda, H
机构：
[1] Ricoh Co Ltd, Res & Dev Grp, Yokohama, Kanagawa 2240035, Japan
[2] Ricoh Co Ltd, Elect Devices Div, Ikeda, Osaka 5638501, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2004年 / 43卷 / 7B期
关键词：
multilevel optical recording; write-once disk; BiFeO; SDR;
D O I：
10.1143/JJAP.43.4972
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We found out that small marks are formed without large deformation and intersymbol interference (ISI) on a BiFeO thin film. Therefore, a BiFeO write-once disk is suitable for multilevel optical recording. We confirmed that our write-once disk realizes a recording capacity of 23 GB using a laser diode with a 405 nm wavelength and a 0.65 numerical aperture objective lens.
引用
收藏
页码：4972 / 4973
页数：2
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