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The Curie temperature and x-ray photoemission spectra of thin films ofLa_{0.67}(Ca_{x}Sr_{1-x})_{0.33}MnO_{3} (LCSMO) have been studied as a functionof the Ca/Sr ratio. The films were grown by off-axis cosputtering fromindividual targets of La_{0.67}Ca_{0.33}MnO_{3} (LCMO) andLa_{0.67}Sr_{0.33}MnO_{3} (LSMO) onto (100) oriented NdGaO_{3} substrates. Thefilms grow with a (100) orientation, with no other orientations observed byx-ray diffraction. For the alloy mixtures, the Curie temperature, T_C, variesslowly as the Ca/Sr is decreased, remaining $\approx$ 300 K, while for the LCMOand LSMO films T_C is 260 and 330 K, respectively. The Mn-O valence structureis composed of two dominant peaks, whose positions undergo a change as the Cafraction is decreased. The core lines behave as linear combinations of linesfrom pure LCMO and LSMO.Comment: 3 pages, 5 eps figures. To be published in Journal of Applied Physics  (Proceedings of MMM'98

X-ray photoemission characterization of La0.67(CaxSr1−x)0.33MnO3 films