Annual Report 2013 2 Contents

Annual Report 2013 2 Contents Contents 3 Flashback to 2013 Highlights 9 Fe-based superconductors cannot live with or without magnetism 13 Resonant Inelastic X-Ray Scattering as a Probe of the Phase and Excitations of the Order Parameter of Superconductors 16 Exploring the application potential of Sm1111 thin films in high magnetic fields 20 Interband Quasiparticle Scattering in Superconducting LiFeAs Reconciles Photoemission and Tunneling Measurements 23 Nucleation of Martensite in Magnetic Shape Memory Alloys 26 Electric field control of magnetism in an electrolyte 29 Bi14Rh3I9 – the first synthesized member of a new class of matter 33 Yet the surface matters: anisotropy and location of topological surface states 36 Novel class of SrTiO3-based heterostructures 39 Charge and spin transfer at phthalocyanine interfaces 42 Combining shape memory crystals and metallic glass in the Cu-Ti-Ni-Zr system 44 Nanomembranes for energy storage devices 46 Electro-mechanical control of quantum light Technological impact 50 Functional properties of Heusler compounds on the nanoscale – from fundamentals to applications 52 Ultra-thin and flexible Hall Sensors for electrical machines and drives 56 Multi-Analyser-Detector for Synchrotron Powder Diffraction at 60 keV Beam Energy 59 A new Fullerene Generator with Adjustable “Active Gas Volume” Reports from research areas 63 Superconductivity and superconductors 72 Magnetism and magnetic materials 79 Molecular magnets and molecular solids 84 Metastable alloys 90 Stress-driven architectures and phenomena 95 The Institute by numbers 98 Publications 123 Calls and awards 124 Patents 126 PhD and diploma/master theses 128 Scientific conferences and IFW colloquia 131 Guests and scholarships 134 Guest stays of IFW members at other institutes 135 Board of Trustees, Scientific Advisory Board 136 IFW’s Research Program 2013 Organization chart of the IFW Dresden Flashback to 2013 3 Flashback to 2013 This Annual Report 2013 of the IFW presents a typical cross section of our scientific ac- tivities in the past year, highlighting main results in the first part and giving a somewhat more systematic overview of results obtained in our five Research Areas in its second part. In the back part this report contains the full list of published scientific articles and invited talks held by IFW researcher in 2013, along with other lists of PhD theses, patents, conferences and guest scientists. The very first pages of the Annual Report are devoted to a flashback on the institutes live in 2013: highlights, events and important developments beyond scientific results. The year 2013 was a time of hard strategic work in the IFW: Present and upcoming personne l changes in the Institute’s management, the forthcoming evaluation by the Leibniz Senate and recent developments of research politics and funding surroundings on local, national and European scale continue to drive a broad and intense discussion on a newly defined positioning of the IFW Dresden and on the further development of our research program. The Scientific Advisory Board and the Board of Trustiees are accompanyin g the strategy process which is not yet completed. Concerning the personnel changes Prof. Dr. Jürgen Eckert took over the position of IFW’s Scientific Director on April 1, 2013 from Prof. Dr. Ludwig Schultz, who has been respon- sible for the scientific work of the IFW Dresden since 2008. He remains the director of the IFW-Institute of Metallic Materials until a successor is appointed which is expected for autumn 2014. The Saxon Minister of Science and Arts, Prof. Dr. Sabine von Schorlemer, the Leibniz President Prof. Dr. Karl Ulrich Mayer and the Rector of the Dresden Uni - versity of Technology Prof. Dr. Hans Müller-Steinhagen were present at the inauguration ceremony of the new Scientific Director and highly appreciated not only the merits of the departing and the new directors but also the outstanding scientific achievements and the innovative performance of the IFW both as a main player within the Dresden and Saxon research networks and as one of the largest Leibniz Institutes. The IFW benefits a lot from well-established regional networks, especially from the close and fruitful cooperation with the Dresden University of Technology which is one of Germanys Universities of Excellence. A new form of cooperation between TU Dresden and Change of office of the Scientific Director: Conferring the honorary doctorate IFW goes international at the From Ludwig Schultz(left) to Jürgen Eckert (middle) to Lothar Dunsch Long Night of Sciences 4 Flashback to 2013 IFW was established in 2013 with the formation of the Centre for Transport and Device (CTD) as a joint institution on faculty level at TU Dresden. On the part of the university it involves the faculty of science, the faculty of mechanical science and engineering, and the faculty of electrical and computer engineering. The IFW is the main non-university partner of the CTD and contributes specialized laboratories and expertise for low- temperatur e facilities and characterization methods. The scientific focus of CTD is on emergent materials that are going to be fabricated, experimentally investigated, theoreticall y modelled and tailored into nanoscale electronic devices. Further the IFW is involved in the Cluster of Excellence “Center for Advancing Electronics Dresden (cfAED)” which addresses the advancement of electronic information processing systems ranging from Silicon nanowires and organic electronics up to large-scale hetero geneous information-driven engineering. Equally the cooperation with the Chemnitz University of Technology has been further strengthened by close cooperation in a number of joint projects including the Cluster of Excellence MERGE „Technologies for Multifunctional Lightweight Structures“. The IFW is the central partner of the DFG Research Group “Molecula r Spintronics“ which joins all four Saxon universities (TU Dresden, TU Chem- nitz, Leipzig University and TU Bergakademie Freiberg) and has been approved for a secon d funding period beginning from 2013. As a Leibniz Institute the IFW is budgeted by the federal government and the German federal states in equal parts. However, an important index of quality is the amount of third party project funding. The level of third party funding in 2013 amounts to 13 Mio. Euro – a level at the forefront of the Leibniz Association. Most of this project funding was acquired in a highly competitive mode from the DFG and the EU. In particular the grants of three Emmy Noether Research Groups by the DFG show the competitive capability of the IFW. Among the large number of third party funded projects are three DFG-Priority Programs that are coordinated by the IFW, further four DFG-Priority Programs where the IFW participates, as well as three DFG Research Groups where the IFW participates. As in the previous years the IFW has been very successful in initiating EU projects and par - ticipating in them. Though quite time consuming these project applications have very positive effects on networking the IFW with other European groups. Eight of our 17 EU projects running in 2013 are coordinated by the IFW. Concerning the “Pakt für Forschung” the IFW was successful with its new proposal on “Tailored manipulation of fluids in functionalize d highly integrated micro- and nanoscale fluidic systems”. After having Guests from South Korea visiting IFW presentation at the fair IFW contributed to and coordinated the new video the IFW's cleanroom "KarriereStart" clip on professional training in Leibniz Institutes Flashback to 2013 5 been awarded two ERC starting grants in 2012, IFW researchers could continue their succes s with this highly prestigious European funding program in 2013. Prof. Dr. Jürgen Eckert received an ERC Advanced Grant with a proposal on metastable alloys and Dr. Carmine Ortix received an ERC FET young researcher grant for research using curved nano-membranes for topological quantum computation. Essentially publicly funded, the IFW is obliged to make its research results public. 382 publications in scientific journals and conference proceedings report on the IFW’s research results on the year 2013. In 287 invited talks the Institute’s scientists present- ed their work at other places around the world. 13 patents were issued for the IFW, and applications for 13 more patents have been made. This all indicates the attested high level on which the Institute carries out its research. The IFW continued its large efforts to make scientific work accessible for the general publi c and to inspire young people to study science or engineering also in 2013. The IFW took part in many joint actions like the lecture series “Physics on Saturday”, “Junior Docto r” or the Summer University of the TU Dresden. The Dresden Long Night of Sciences took place for the eleventh time in 2013, and again, the IFW offered an ample program which attracted about 4000 visitors. Besides these big events we organize almost weekly lab-tours for various visitor groups, from school classes through official representatives to guests from foreign organizations. Especially the IFW’s superconducting test facility SpuraTrans in Dresden-Niedersedlitz has proved very popular among visitors, be it representatives from companies, students groups or politicians. With respect to the infrastructural development we have put large efforts during the last years into the realization of a new annex building with special laboratory areas and additiona l office space. Now we are looking forward to the completion of construction works and the move-in of the first research groups in beginning of 2014. 2013 was again a yielding year with respect to prizes and honors awarded to members of the IFW. A full list of prizes awarded to members of the IFW is included at the end in this Report. Among them is the prestigious Junior Research Award of the Leibniz Associatio n for Dr. Kristina Tschulik. In 2013 the IFW has been honored as being among one of the best training places for professional graduation in our region.

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