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. (2003) 'Direct observation of orbital ordering in La0.5Sr1.5MnO4 using soft x-ray diraction. ', Physical review letters., 91 (16 Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details.

Near-threshold inner-shell photoionization of neon has been studied by measuring threshold photoelectron spectra in the energy regions of the 1s ' main line and the 1s2p'nl satellite states. The measured linewidth (0.22+0.03 eV) of the 1s -+3@ transition is more consistent with the observation of the 1s hole state linewidth than previous determinations.Features, assigned as doubly excited states and conjugate shakeup transitions, have been discerned in the 1s2p'nl satellite spectrum. PACS number(s): 32.80.HdThe high sensitivity and energy resolution of threshold photoelectron spectroscopy (TPES) have made this technique a unique tool to study photoionization of valence and inner valence shells of a,toms [1 -3] and molecules [4 -6]. Recently, the application of TPES has been extended to the photoionization of inner shells of the rare gases [7,8] and small molecules [9,10]. This paper de-