Carrier mobility in LDPE at high temperature and pressure

Current peaks due to transient SCLC (space charge limited current) were observed in LDPE (low-density polyethylene) at 70/spl deg/C. From the time at which the current peak occurs, carrier mobilities ranging from 5/spl times/10/sup -15/ to 7/spl times/10/sup -14/ m/sup 2//Vs were obtained. The mobil...

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Bibliographic Details
Published inIEEE transactions on dielectrics and electrical insulation Vol. 5; no. 2; pp. 301 - 303
Main Authors Malec, D., Truong, V.H., Essolbi, R., Hoang, T.G.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.04.1998
Institute of Electrical and Electronics Engineers
Subjects
Applied sciences
Charge measurement
Current measurement
Electric variables measurement
Electrical, magnetic and optical properties
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Plastic insulation
Polyethylene
Polymers
Properties and characterization
Space charge
Temperature
Voltage
Electrical conductivity
Pressure effect
Low density ethylene polymer
Electrical properties
Charge carrier mobility
Hopping conductivity
Electric field effect
Experimental study
Mechanism
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Summary:Current peaks due to transient SCLC (space charge limited current) were observed in LDPE (low-density polyethylene) at 70/spl deg/C. From the time at which the current peak occurs, carrier mobilities ranging from 5/spl times/10/sup -15/ to 7/spl times/10/sup -14/ m/sup 2//Vs were obtained. The mobility values obtained for LDPE depend on both applied field and hydrostatic pressure and verify hopping mechanism. The presence of space charge has been confirmed by analyzing discharge currents measurements.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1070-9878
1558-4135
DOI:10.1109/94.671969