Processing, device fabrication and electrical characterization of LaMnO3 nanofibers

被引：44

作者：

Hayat, Khizar ^{[1
,2
]}

Shah, S. Shaheen ^{[1
]}

Yousaf, M. ^{[1
]}

Iqbal, M. Javid ^{[1
]}

Ali, Muhammad ^{[1
]}

Ali, S. ^{[1
]}

Ajmal, Muhammad ^{[3
]}

Iqbal, Yaseen ^{[1
]}

机构：

[1] Univ Peshawar, Dept Phys, Mat Res Lab, Peshawar 25120, Pakistan

[2] AWKUM, Dept Phys, Mardan 23200, Pakistan

[3] Islamia Coll Univ, Dept Phys, Peshawar 25120, Pakistan

来源：

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2016年 / 41卷

关键词：

Electrospinning; Nanofibers; Electrical microstructure; Electro-active regions; Impedance spectroscopy; TRANSPORT PROPERTIES; POLYMER NANOFIBERS; MANGANITE LAMNO3; ELECTROSPUN; SPECTROSCOPY; IMPEDANCE; SURFACE; PHASE;

D O I：

10.1016/j.mssp.2015.10.009

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Lanthanum manganite (LaMnO3) nanofibers were synthesized using electrospinning technique. The size and uniformity of these nanofibers were optimized by varying PVP concentration. X-ray diffraction analysis revealed the formation of single phase LaMn03 nanofibers (average diameter similar to 400 nm) when the composite nanofibers were calcined at 600 degrees C. M '' and Z '' spectroscopic plots of impedance spectroscopy data confirmed the presence of two distinct electro-active regions referred to as the grain and grain boundary regions. The activation energies of the grain and grain boundary regions were 0.27 eV and 0.41 eV, respectively; which suggested two different transport mechanisms in these fibers. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：364 / 369

页数：6

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