Dielectrics for radiation-hard capacitors: polyvinylidene fluoride and polyethylene terephthalate
Technical Report
·
OSTI ID:5308173
Pulsed x-ray photoconductivity measurements in polyvinylidene fluoride (PVF/sub 2/) films reveal that the photoconductivity is a factor of 10 to 100 smaller than polyethylene terephthalate (PET) films which are commonly used in capacitors. To date this is the smallest photoconductivity observed in a polymer film. In this report, we examine the properties of both PVF/sub 2/ and PET which contribute to the observed photoresponses, and a detailed comparison is made between these materials. In each case, the data are analyzed using the present models for dispersive transport in disordered materials. Data are presented for several structurally different PVF/sub 2/ films, and the effects of different device operating conditions on the photoconductivity of PVF/sub 2/ are discussed.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5308173
- Report Number(s):
- SAND-82-0558; ON: DE82019903
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360406 -- Materials-- Polymers & Plastics-- Radiation Effects-- (-1987)
440200* -- Radiation Effects on Instrument Components
Instruments
or Electronic Systems
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CAPACITORS
CHEMICAL RADIATION EFFECTS
CHEMISTRY
DIELECTRIC MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
EQUIPMENT
HARDENING
MATERIALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PHOTOCONDUCTIVITY
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
POLYETHYLENES
POLYMERS
POLYOLEFINS
POLYVINYLS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATION HARDENING
360406 -- Materials-- Polymers & Plastics-- Radiation Effects-- (-1987)
440200* -- Radiation Effects on Instrument Components
Instruments
or Electronic Systems
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CAPACITORS
CHEMICAL RADIATION EFFECTS
CHEMISTRY
DIELECTRIC MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
EQUIPMENT
HARDENING
MATERIALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PHOTOCONDUCTIVITY
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
POLYETHYLENES
POLYMERS
POLYOLEFINS
POLYVINYLS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATION HARDENING