The Effect of Frequency and Temperature on Dielectric Properties of Pure Poly Vinylidene Fluoride (PVDF) Thin Films

被引：0
|
作者：
Yadav, Vikram S. [1 ]
Sahu, Devendra K. [2 ]
Singh, Yashpal [3 ]
Dhubkarya, D. C. [4 ]
机构：
[1] Bundelkhand Inst Engn & Technol, Dept Appl Sci & Humanities, Jhansi 284128, Uttar Pradesh, India
[2] Bundelkhand Univ, Inst Basic Sci, Dept Phys, Jhansi 284128, Uttar Pradesh, India
[3] Bundelkhand Inst Engn & Technol, Comp Sci & Engn Dept, Jhansi 284128, Uttar Pradesh, India
[4] Bundelkhand Inst Engn & Technol, Dept Elect & Commun Engn, Jhansi 284128, Uttar Pradesh, India
来源：
INTERNATIONAL MULTICONFERENCE OF ENGINEERS AND COMPUTER SCIENTISTS (IMECS 2010), VOLS I-III | 2010年
关键词：
Poly Vinylidene Fluoride (PVDF); Space Charge Polarization; Dipole Orientation; POLYSTYRENE; RELAXATION; ABSORPTION; ELECTRETS;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this work we have evaluated the dielectric properties of poly vinylidene fluoride (PVDF) thin films of thickness (approximate to 20 mu m) as a function of temperature from 40-70 degrees C and frequency varying from 500 Hz to 100 kHz respectively for Al-Al and Cu-Cu electrode configuration. The dielectric constant values increases with the increase in temperature. A broad peak is found at around (70 +/- 5)0C. The maximum value of dielectric constant and dielectric losses were attributed to the phase transition of the polymer. The variation in dielectric constant and loss tangent suggest the net effect of some internal field within the polymer along with the external A.C. field.
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收藏
页码：1593 / +
页数：2
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