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Space Charge and Field Distributions in Low-Density Polyethylene Mizutani, T. Semi, H. Kaneko, K. Mori, T. Ishioka, M. open access Copyright © 2000 IEEE. Reprinted from (relevant publication info). This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Nagoya University’s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. The space charge distributions in LDPE (low-density polyethylene) were measured by PEA (pulsed electro-acoustic) method. We used two kinds of LDPEs: m-LDPE polymerized with metallocene catalyst and LDPE polymerized under high-pressure process. The space charge in these two samples strongly depended upon the material of electrode. Semicon electrode enhanced carrier injection into LDPEs. The measurements of space charge dynamics revealed the effective mobility of positive and negative carriers. The space charge was much more stable in m-LDPE than in LDPE. IEEE 2000-04 eng journal article VoR http://hdl.handle.net/2237/7178 https://nagoya.repo.nii.ac.jp/records/5572 https://doi.org/10.1109/ELINSL.2000.845556 0-7803-5931-3 Conference Record of the 2000 IEEE International Symposium on Electrical Insulation, 2-5 April 2000 493 496 https://nagoya.repo.nii.ac.jp/record/5572/files/sym_ele_insu_2000_493.pdf application/pdf 365.8 kB 2018-02-19