Growth of oriented, single phase La1−xCaxMnO3 thin films by physical vapor codeposition

Rathnayaka, K. D. D.; Parasiris, A.; Andrews, Craig; Chepin, James; Bhatnagar, Anil K.; Dumar, A. C.; Naugle, D. G.

doi:10.1016/s0167-577x(98)00065-2

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2000

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“…4 of Ref. 22. Data for χ ′ and χ ′′ for one of the films irradiated in this study (not shown) has much less noise and provides clear evidence that T c and T p coincide, both for the unirradiated and irradiated films in this study.…”

Section: Experiments and Resultssupporting

confidence: 53%

Influence of high-energy electron irradiation on the transport properties of La Ca MnO films ( )

et al. 2000

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The effect of crystal lattice disorder on the conductivity and colossal magnetoresistance in La 1−x Ca x MnO 3 (x ≈ 0.33) films has been examined. The lattice defects are introduced by irradiating the film with high-energy (≃ 6 MeV) electrons with a maximal fluence of about 2 × 10 17 cm −2 . This comparatively low dose of irradiation produces rather small radiation damage in the films.The number of displacements per atom (dpa) in the irradiated sample is about 10 −5 . Nevertheless, this results in an appreciable increase in the film resistiv-

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Section: Experiments and Resultssupporting

confidence: 53%