Magnetic anisotropy of doped manganite thin films and crystals

Y. Suzuki, H. Y. Hwang, Sang-Wook Cheong, T. Siegrist, R. B. Van Dover, A. Asamitsu, Y. Tokura

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Magnetic anisotropy of La0.7Sr0.3MnO3 thin films and single crystals has been measured using vibrating sample and torque magnetometry. The magnetic anisotropy of thin films is dominated by strain anisotropy due to the lattice mismatch between the film and SrTiO3 substrate. The two and fourfold symmetries in the (110) and (001) films, respectively, can only be explained by stress anisotropy contributions (K stress∼8.4×104 ergs/cm3). Magnetic anisotropy of La0.7Sr0.3MnO3 single crystals, subject to no external stress, reveals a uniaxial anisotropy in the (100) plane of K1∼1.8 × 104 ergs/cm3 that can be attributed to magnetocrystalline effects.

Original languageEnglish (US)
Pages (from-to)7064-7066
Number of pages3
JournalJournal of Applied Physics
Issue number11
StatePublished - 1998

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Suzuki, Y., Hwang, H. Y., Cheong, S-W., Siegrist, T., Van Dover, R. B., Asamitsu, A., & Tokura, Y. (1998). Magnetic anisotropy of doped manganite thin films and crystals. Journal of Applied Physics, 83(11), 7064-7066.