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Instruments / Technical Area	Publication Details	Published	Actions
I09-Surface and Interface Structural Analysis	Identification of hidden orbital contributions in the La0.65Sr0.35MnO3 valence band F. Offi , K. Yamauchi , S. Picozzi , V. Lollobrigida , A. Verna , C. Schlueter , T.-L. Lee , A. Regoutz , D. J. Payne , A. Petrov , G. Vinai , G. M. Pierantozzi , T. Pincelli , G. Panaccione , F. Borgatti Physical Review Materials 5 DOI: 10.1103/PhysRevMaterials.5.104403 Diamond Proposal Number(s): [11322] Show Abstract ▼ Abstract: Hybridization of electronic states and orbital symmetry in transition metal oxides are generally considered key ingredients in the description of both their electronic and magnetic properties. In the prototypical case of La 0.65 Sr 0.35 MnO 3 (LSMO), a landmark system for spintronics applications, a description based solely on Mn 3 d and O 2 p electronic states is reductive. We thus analyzed elemental and orbital distributions in the LSMO valence band through a comparison between density functional theory calculations and experimental photoelectron spectra in a photon energy range from soft to hard x rays. We reveal a number of hidden contributions, arising specifically from La 5 p , Mn 4 s , and O 2 s orbitals, considered negligible in previous analyses; our results demonstrate that all these contributions are significant for a correct description of the valence band of LSMO and of transition metal oxides in general.	Oct 2021
I13-1-Coherence	Ptychographic characterisation of polymer compound refractive lenses manufactured by additive technology M. Lyubomirskiy , F. Koch , K. A. Abrashitova , V. O. Bessonov , N. Kokareva , A. Petrov , F. Seiboth , F. Wittwer , M. Kahnt , M. Seyrich , A. A. Fedyanin , C. David , C. G. Schroer Optics Express 27, 8639-8650 DOI: 10.1364/OE.27.008639 Diamond Proposal Number(s): [17460] Open Access Show Abstract ▼ Abstract: The recent success in the development of high-precision printing techniques allows one to manufacture free-standing polymer structures of high quality. Two-photon polymerization lithography is a mask-less technique with down to 100 nm resolution that provides full geometric freedom. It has recently been applied to the nanofabrication of X-ray compound refractive lenses (CRLs). In this article we report on the characterization of two sets of CRLs of different design produced by two-photon polymerization-induced lithography.	Mar 2019

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