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Hello to all,</div>
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<div class="elementToProof"><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">I'm working with the perovskite of the form (La,Ce)(Mn,Co)O<sub>3</sub> and recently have acquired the PXRD (with standard Cu K� radiation)
pattern for the LaMn</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">O</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><sub>3</sub></span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">,
LaCo</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">O</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><sub>3</sub></span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">,
CeCo</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">O</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><sub>3</sub></span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> and
CeMn</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">O</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><sub>3</sub></span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">,
but when trying to refine the pattern and structure I find a problem that my database (ICSD) has CIF cards only for the
</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">LaMn</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">O</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><sub>3</sub> and
LaCo</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">O</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><sub>3</sub>.</span></div>
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<div class="elementToProof"><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">So, my question is, can I get away with this by modifying the existent CIF cards to account for
the Ce substitution or do I need a synchrotron data to resolve the structure?</span></div>
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Thankfully</div>
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Luiz Felipe Pompermaier</div>
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