Growth of ferromagnetic Nd 0.7 Sr 0.3 MnO 3 films with an off-axis sputtering configuration

L. M. Wang, H. H. Sung, B. T. Su, Hong-Chang Yang, Herng-Er Horng

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Ferromagnetic Nd 0.7 Sr 0.3 MnO 3 (NSMO) films have been prepared onto (001) SrTiO 3 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 (ρ max ) at the highest peak temperature of Tp=180-240 K. By increasing the deposition temperature, T p shifts to lower temperature and ρ max 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 1

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sputtering
configurations
electrical resistivity
magnetron sputtering
x ray diffraction
microscopes
temperature
shift
magnetic fields

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Growth of ferromagnetic Nd 0.7 Sr 0.3 MnO 3 films with an off-axis sputtering configuration . / Wang, L. M.; Sung, H. H.; Su, B. T.; Yang, Hong-Chang; Horng, Herng-Er.

In: Journal of Applied Physics, Vol. 88, No. 7, 01.10.2000, p. 4236-4240.

Research output: Contribution to journalArticle

Wang, L. M. ; Sung, H. H. ; Su, B. T. ; Yang, Hong-Chang ; Horng, Herng-Er. / Growth of ferromagnetic Nd 0.7 Sr 0.3 MnO 3 films with an off-axis sputtering configuration In: Journal of Applied Physics. 2000 ; Vol. 88, No. 7. pp. 4236-4240.
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