Bistable optical information storage using antiferroelectric-phase lead lanthanum zirconate titanate ceramics
A recently discovered photostorage effect in antiferroelectric-phase (AFE-phase) lead lanthanum zirconate titanate (PLZT) compositions appears to be particularly applicable to binary optical information storage. The basis for bistable optical information storage is that exposure to near-UV or visible light shifts the electric field threshold of the phase transition between the field-induced ferroelectric (FE) phase and the stable AFE phase in the direction of the initial AFE /yields/ FE phase transition. Properties of this photoactivated shift of the FE /yields/ AFE phase transition, including preliminary photosensitivity measurements and photostorage mechanisms, are presented. Photosensitivity enhancement by ion implantation is also discussed.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- OSTI ID:
- 5978659
- Journal Information:
- J. Am. Ceram. Soc.; (United States), Vol. 71:11
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
FERROELECTRIC MATERIALS
PHOTOREACTIVATION
CHEMICAL COMPOSITION
ELECTRIC FIELDS
ION IMPLANTATION
LANTHANUM
LEAD
NEAR ULTRAVIOLET RADIATION
OPTICAL PROPERTIES
PHASE STUDIES
PHASE TRANSFORMATIONS
PHOTOSENSITIVITY
TITANATES
ZIRCONIUM
BIOLOGICAL RECOVERY
BIOLOGICAL REPAIR
ELECTROMAGNETIC RADIATION
ELEMENTS
METALS
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
RARE EARTHS
RECOVERY
REPAIR
SENSITIVITY
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ULTRAVIOLET RADIATION
360204* - Ceramics
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360202 - Ceramics
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400500 - Photochemistry
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