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Soft-x-ray photoemission and absorption spectroscopies are employed toinvestigate the electronic structures of Sr_{1-x}Rh_{2}O_{4}. Similarly to thelayered cobaltates such as Na_{1-x}CoO_{2}, a valence-band satellite feature(VBS) occurs at higher binding energy to the O 2p band. We find that the VBSresonates at the O 1s edge. Additionally, core absorption shows clear xdependence in the O 1s edge rather than in the Rh 3p edge. These resultsindicate that the holes in the initial state mainly have O 2p characterpresumably due to d-p rehybridizations affected by Sr^{2+} vacancy potentials.The resultant inhomogenous charge texture may have impact on the TE transportproperties at low x.

Evidence for Oxygen Holes due to d-p Rehybridization in Thermoelectric Sr_{1-x}Rh_{2}O_{4}