Photoemission and x-ray absorption of the electronic structure of multiferroicRMnO3(R=Y,Er)

J.-S. Kang,1,2,* S. W. Han,2 J.-G. Park,2,3 S. C. Wi,1 S. S. Lee,1 G. Kim,1 H. J. Song,4 H. J. Shin,4 W. Jo,5 and B. I. Min6 1Department of Physics, The Catholic University of Korea, Puchon 420-743, Korea 2CSCMR, Seoul National University, Seoul 151-742, Korea 3Department of Physics, Sungkyunkwan University, Suwon 440-746, Korea 4Pohang Accelerator Laboratory (PAL), POSTECH, Pohang 790-784, Korea 5Department of Physics, Ewha Womans University, Seoul 120-750, Korea 6Department of Physics, POSTECH, Pohang 790-784, Korea sReceived 17 November 2004; revised manuscript received 18 January 2005; published 30 March 2005d