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    초록·키워드

    The experimental investigations of the transport properties for the Pr0.65Ca0.35MnO3 films were carried out in a temperature range from 4.2 up to 300 K. In this work we employed Nd-YAG lasers with a wavelength of 1064 nm, a pulse duration of 7.8 - 10.5 ns, and an energy per pulse of 0.3 J. The cross-beam deposition scheme utilizing two lasers was used to avoid hitting the substrate by large-size particles from the target. The targets were manufactured from the Pr0.65Ca0.35MnO3 powders of stoichiometric composition. The substrate (LaAlO3) temperature during deposition was 750°C. The oxygen pressure in chamber was 200 Torr during the film growth and 600 Torr during cooling. In some cases the films were annealed in air at 900°C for 1 h. At these conditions Pr0.65Ca0.35MnO3 films were obtained with a thickness of 10 - 200 nm. All samples have a c-axis texture and the parameters of crystal lattice: a = 0.542 nm; b = 0.545 nm; c = 0.767 nm. Two peculiarities were observed f ... 전체 초록 보기

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      UCI(KEPA) : I410-ECN-0101-2009-554-018030244