Pyroelectric Nano-Composite Crystallographically Oriented Thin Films of Triglycine Sulfate (TGS)

被引：4
|
作者：
Nitzani, M. [1 ]
Yasinov, R. [1 ]
Berger, S. [1 ]
机构：
[1] Technion Israel Inst Technol, Fac Mat Sci & Engn, IL-32000 Haifa, Israel
来源：
FERROELECTRICS | 2009年 / 390卷
关键词：
Pyroelectricity; nano-composite; TriGlycine Sulfate; nano-rods; Uncooled IR detectors; preferred orientation; porous alumina; DETECTORS; ARRAYS;
D O I：
10.1080/00150190902997649
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper suggests an alternative approach to the fabrication of pyroelectric thin films. Polar nanocomposite pyroelectric thin films are fabricated by controlled growth of TriGlycine Sulfate (TGS) nano crystals inside an array of aluminium oxide cylindrical nanopores. The polar axis of the TGS crystals [010] is aligned in vertical to the film plane. The dynamic method is employed for the measurement of the pyroelectric coefficient at different temperatures. Pyroelectric coefficient of the nanocomposite films having an average pore diameter of 43 +/- 8 nm is determined between 25 degrees C and 65 degrees C. Pyroelectric to paraelectric transition is observed around 49 degrees C.
引用
收藏
页码：115 / 121
页数：7
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