Relaxor ferroelectric solid-solution single crystal, device, and method of using device
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United States of America Patent
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Sep 23, 2008
Grant Date -
Jul 5, 2007
app pub date -
Jan 28, 2005
filing date -
Jan 30, 2004
priority date (Note) -
Expired
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Abstract
A relaxor ferroelectric solid solution single crystal is capable of making transitions, at temperatures below the Curie temperature, between a first state which has a high permittivity and blocks optical transmission and a second state which has a low permittivity and allows optical transmission. The relaxor ferroelectric solid solution single crystal undergoes a transition to the second state if an electric field above a threshold is applied thereto in the first state. The relaxor ferroelectric solid solution single crystal undergoes a transition to the first state if heated to or above the Curie temperature in the second state.
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