Study of La0.67Sr0.33MnO3 structure and resistivity synthesized by using sol gel method

被引：4
|
作者：
Widyaiswari, U. [1 ]
Kurniawan, B. [1 ]
Imaduddin, A. [2 ]
Saptari, S. A. [3 ]
机构：
[1] Univ Indonesia, Fac Math & Nat Sci, Dept Phys, Depok 16424, Indonesia
[2] Lembaga Ilmu Pengetahuan Indonesia, Met Res Ctr, Puspiptek Serpong 15314, Indonesia
[3] Univ Islam Negeri Syarif Hidayatullah, Fac Sci & Technologyy, Jakarta 15412, Indonesia
来源：
8TH INTERNATIONAL CONFERENCE ON PHYSICS AND ITS APPLICATIONS (ICOPIA) | 2016年 / 776卷
关键词：
D O I：
10.1088/1742-6596/776/1/012041
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this study a colossal magnetoresistance La0.67Sr0.33MnO3 material was synthesized by using a sol gel method with different treatment heating process. First sample calcined at 850 degrees C for 10 hours and pelletized, labelled as LSMO1, while another sample calcined at 850 degrees C for 10 hours, pelletized, and sintered at 1200 degrees C for 2 hours, labelled as LSMO2. The aim of this study was to learn a structure and resistivity of this material. The XRD results showed that both samples were single phase with no peak of impurity and formed a rhombohedral structure with space group R-3c. And the result showed that LSMO1 has smaller crystallite size than LSMO2. Result of resistivity measurement showed that LSMO1 has insulator behavior with resistivity several order of magnitude bigger than LSMO2. While LSMO2 had the peak of resistivity that showed a metal-insulator transition.
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页数：4
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