ELECTRICAL-RESISTIVITY OF POLYMERS MODIFIED BY ION IRRADIATION

被引:12
|
作者
SVORCIK, V [1 ]
RYBKA, V [1 ]
HNATOWICZ, V [1 ]
KVITEK, J [1 ]
机构
[1] CZECHOSLOVAK ACAD SCI,INST NUCL PHYS,CS-25068 PRAGUE,CZECH REPUBLIC
关键词
D O I
10.1016/0167-577X(94)90179-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The implantation of 150 keV Sb+ ions to doses from 5 X 10(12) to 1 X 10(15) cm-2 into polyethyleneterephthalate (PET) and polybutyleneterephthalate (PBT) was studied. The sheet resistivity of the ion beam modified polymers was found to be a decreasing function of the implanted dose with more significant decrease being observed on the PET samples. The latter observation is in correspondence with UV-VIS measurements proving higher production of conjugated double bonds in PET comparing to PBT. The dissimilar behaviour of PET and PBT is explained by a different number of methylene groups in polymer chains. Approximately the same thickness of the layer modified by ion implantation was found in Rutherford back-scattering (RBS) measurements for both polymers. A variable range hopping mechanism is tentatively suggested to be responsible for the electrical charge transport.
引用
收藏
页码:329 / 332
页数:4
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