Analog read‐only memory using gadolinium molybdate
作者:
R. A. Lemons,
J. M. Geary,
L. A. Coldren,
H. G. Mattes,
期刊:
Applied Physics Letters
(AIP Available online 1978)
卷期:
Volume 33,
issue 5
页码: 373-375
ISSN:0003-6951
年代: 1978
DOI:10.1063/1.90400
出版商: AIP
数据来源: AIP
摘要:
In ferroelectric gadolinium molybdate a stable planar domain wall can be swept through the crystal by applying a voltage along the polar axis. The resulting polarization current can be used to read out analog information stored as a waveform pattern in the electrodes. Using a differential detection scheme, we have demonstrated the reproduction of 4 sec of typical speech stored with a density of 50 sec of speech per cm2.
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