Magnetoresistivity and crystal structure of epitaxial La0.67Ca0.33MnO3 films

Gerhard Jakob, F. Martin, W. Westerburg & Hermann Adrian
We investigated thin-film growth of doped manganites by sputter deposition on SrTiO3 (1 0 0), MgO (1 0 0) and r-plane Al2O3 (1 0 1¯2) substrates and found an in-plane-oriented growth. The unit cell of the films showed distortions from the simple cubic perovskite structure, represented by a tetragonal unit cell with a? = b? = ?2a; c? = 2a. By scanning electron microscopy we investigated the growth morphology of the films. We determined the...
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