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

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)4236-4240
Number of pages5
JournalJournal of Applied Physics
Volume88
Issue number7
DOIs
Publication statusPublished - 2000 Oct

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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