首页> 外文期刊>Applied Surface Science >The Properties Of La_(0.7)sr_(0.3)mno_3 Films Prepared By Dc Magnetron Sputtering Using Nanosized Powder Compacted Target: Effect Of Substrate Temperature
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The Properties Of La_(0.7)sr_(0.3)mno_3 Films Prepared By Dc Magnetron Sputtering Using Nanosized Powder Compacted Target: Effect Of Substrate Temperature

机译:纳米粉末压实靶磁控溅射制备La_(0.7)sr_(0.3)mno_3薄膜的性能:衬底温度的影响

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摘要

La_(0.7)Sr_(0.3)MnO_3 (LSMO) thin films have been deposited on Si(1 0 0) substrates at different substrate temperatures in a mixed argon and oxygen atmosphere by dc sputtering using LSMO targets prepared from nanosized powder. The influence of the deposition temperature on the structural, magnetic and transport properties of LSMO films were studied. The results show that in our experimental conditions, the LSMO thin films deposited at 650℃ have the best crystalline quality. Magnetic and magnetotransport studies show the highest Curie temperature (T_c) of 300 K and metal insulator transition temperature (T_(MI)) of 250 K at room temperature.
机译:La_(0.7)Sr_(0.3)MnO_3(LSMO)薄膜已通过使用由纳米级粉末制备的LSMO靶材通过dc溅射在混合氩气和氧气气氛中在不同衬底温度下沉积在Si(1 0 0)衬底上。研究了沉积温度对LSMO薄膜结构,磁性和传输性能的影响。结果表明,在我们的实验条件下,在650℃下沉积的LSMO薄膜具有最佳的结晶质量。磁和磁传输研究显示,室温下居里温度(T_c)最高,为300 K,金属绝缘体的最高转变温度(T_(MI))为250K。

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