Growth of ferromagnetic Nd0.7Sr0.3MnO3 films with an off-axis sputtering configuration

L. M. Wang, H. H. Sung, B. T. Su, H. C. Yang, H. E. Horng

研究成果: 雜誌貢獻文章

19 引文 斯高帕斯(Scopus)

摘要

Ferromagnetic Nd0.7Sr0.3MnO3 (NSMO) films have been prepared onto (001) SrTiO3 by the off-axis magnetron sputtering technique. The NSMO films are characterized by resistivity measurements, x-ray diffraction, and the atomic force microscope. Under our deposition conditions the films show a maximum resistivity (ρmax) at the highest peak temperature of Tp=180-240 K. By increasing the deposition temperature, Tp shifts to lower temperature and ρmax increases. In an applied magnetic field, large magnetoresistance (MR) ratios >2200% for several in situ deposited films at 180 K and H = 6 T are obtained. The influence of growth conditions on the magnetotransport properties of NSMO films and their MR characteristics are discussed.

原文英語
頁(從 - 到)4236-4240
頁數5
期刊Journal of Applied Physics
88
發行號7
DOIs
出版狀態已發佈 - 2000 十月

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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