[摘要]:Effect of growth orientation on charge- and orbital-ordering (CO-OO) phenomena has been studied for Pr0.5Ca0.5MnO3 epitaxial thin films fabricated on (LaAlO3)(0.3)-(SrAl0.5Ta0.5O3)(0.7) (LSAT) substrates by means of resistivity, synchrotron x-ray diffract