In order to enable an iCal export link, your account needs to have an API key created. This key enables other applications to access data from within Indico even when you are neither using nor logged into the Indico system yourself with the link provided. Once created, you can manage your key at any time by going to 'My Profile' and looking under the tab entitled 'HTTP API'. Further information about HTTP API keys can be found in the Indico documentation.
Additionally to having an API key associated with your account, exporting private event information requires the usage of a persistent signature. This enables API URLs which do not expire after a few minutes so while the setting is active, anyone in possession of the link provided can access the information. Due to this, it is extremely important that you keep these links private and for your use only. If you think someone else may have acquired access to a link using this key in the future, you must immediately create a new key pair on the 'My Profile' page under the 'HTTP API' and update the iCalendar links afterwards.
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New Understandings of Bonding and Chemistry in Oxides Through Theoretical Analysis of XPS
Paul S. Bagus
(University of North Texas, USA)
Recent advances for the theoretical analysis of the bonding in metal oxides, especially lanthanide and actinide systems will be discussed. Covalency in oxides will be considered in systems ranging from ideal ionic to strongly covalent and the departures from ideal ionicity will be quantified. The consequences of the covalent interaction for features of X-Ray photoelectron spectra, XPS, will be shown. This will include the broadening of the spectra as well as the number and intensity of satellite peaks. The extent to which spin-orbit splitting and intermediate coupling in the open 5f shell of actinide cations reduces the spin alignment expected on the basis of Russell-Saunders coupling will be shown. The results presented are based on the analysis of many-body wavefunctions for isolated cations and for cluster models of the oxides.