The influence of epitaxial strain, tuned with tetragonal distortion c/a from 0.965 to 1.034 by choosing different substrates and varying film thickness, on the magnetic and transport properties of Nd0.45Sr0.55MnO3 thin films has been investigated. It is found that epitaxial strain, depending on the value of c/a, can enhance or decrease the stability of A-type AF to induce ferromagnetic fluctuation and C-type AF instead of A-type AF. (C) 2012 American Institute of Physics. [doi:10.1063/1.3671787]
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