کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9567088 | 1503710 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A correlated study of laser produced plume expansion dynamics and thin film growth of manganates
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Thin films of La0.67Ba0.33MnO3 were deposited on NdGaO3 by pulsed laser deposition with in situ RHEED diagnostics. A strong dependence of structural and electrical transport properties of the films on the background oxygen pressure was observed. Electrical resistance versus temperature and X-ray diffraction measurements were used to characterise the deposited films. Deposition at low background oxygen pressure (â10â1Â Pa) resulted in a good structural quality with an atomically flat surface, but poorer transport properties compared to films grown at higher pressure (â50Â Pa). These observations have been correlated with the characteristics of the plume expansion by studying pulsed laser ablation of manganate samples into oxygen background gas by optical emission spectroscopy and ion probe diagnostics. These studies have been carried out using the parent LaMnO3 compound as target material in presence of an oxidizing atmosphere.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 247, Issues 1â4, 15 July 2005, Pages 64-70
Journal: Applied Surface Science - Volume 247, Issues 1â4, 15 July 2005, Pages 64-70
نویسندگان
S. Amoruso, M. Angeloni, G. Balestrino, N. Boggio, R. Bruzzese, P.G. Medaglia, A. Tebano, M. Vitiello, X. Wang,