Microstrain analysis of proton irradiated PET microfiber

被引：54
作者：
Mallick, B.
Patel, T.
Behera, R. C.
Sarangi, S. N.
Sahu, S. N.
Choudhury, R. K.
机构：
[1] Inst Phys, Bhubaneswar 751005, Orissa, India
[2] Natl Inst Technol, Dept Phys, Rourkela 769008, India
[3] Natl Inst Technol, Dept Met & Mat Engn, Rourkela 769008, India
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2006年 / 248卷 / 02期
关键词：
PET microfiber; proton fluences; microstrain; X-ray diffraction; Raman band;
D O I：
10.1016/j.nimb.2006.04.153
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The microstrain developed due to the molecular deformation of polymeric material because of MeV proton irradiation causes shifting of peak position of both X-ray diffraction lines and Raman bands in polyethylene terephthalate (PET) microfiber. This was investigated using X-ray diffractometer and micro-Raman spectrometer. In the present work, the PET microfiber of 1.5 dpf was irradiated with 3 MeV proton at small fluences I X 10(10) p/cm(2) to 1 X 10(12) p/cm(2). The radiation induced microstrain developed in PET microcrystallites and its size effect was investigated applying XRD. The shift of 0.5 cm(-1) in the Raman peak position of 1616 cm(-1) to a lower value due to proton irradiation at small fluences confirmed the development of microstrain. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：305 / 310
页数：6
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