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Highlights of the Condensed Matter NMR Program

Distinct high- T transitions in underdoped Ba 1-x K x Fe 2 As 2 R. R. Urbano ( Crow Post-doc ) , E. L. Green, W. G. Moulton, A. P. Reyes, P. L. Kuhns, E. M. Bittar, C. Adriano, T. M. Garitezi, L. Bufaical, and P. G. Pagliuso : Physical Review Letters , Accepted 8/5/10.

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Highlights of the Condensed Matter NMR Program

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  1. Distinct high-T transitions in underdoped Ba1-xKxFe2As2 R. R. Urbano(Crow Post-doc ),E. L. Green, W. G. Moulton, A. P. Reyes, P. L. Kuhns, E. M. Bittar, C. Adriano, T. M. Garitezi, L. Bufaical, and P. G. Pagliuso: Physical Review Letters, Accepted 8/5/10. (New Hybrid Data recently taken – to be published.) Highlights of the Condensed Matter NMR Program The CM-NMR Group at the NHMFL serves a broad international community probing the properties of a wide variety of condensed matter materials (crystalline, thin film, etc.) with nuclear magnetic resonant methods. The program provides a unique combination of compatible instrumentation and staff support that allow users to work out difficult measurement issues over long periods in superconducting magnets to ~ 15 T, followed by high field measurements in the NHMFL resistive and Hybrid magnets. The Group maintains a large user portfolio, a significant and high quality publication rate, and provides substantial mentorship and training to students and post-doctorals doing solid state NMR science. Two-dimensional vortices in superconductors B. Chen, W.P. Halperin, P. Guptasarma, D.G.Hinks, V.F.Mitrovic, A.P. Reyes, and P.L. Kuhns, Nature Physics, 3, 239 (2007)

  2. Facilities Enhancement: • 18 T NMR Superconducting Magnet; Portable Dilution Refrigerator & Top Loading Probes; Low nose, 1 MHz to 2.5 GHz spectrometer system. • Next Generation Probe Development: • Technical support to design and build high precision goniometers, broad band tunable probes, high pressure probes, and simultaneous electrical transport and NMR capabilities. Increased robustness of sophisticated probe configurations. • Series Connected Hybrid: • Development of instrumentation, probes, etc. to take maximum advantage of the opportunities offered by the SCH. • New Faculty Hire associated with the CM-NMR Group: • Following the recent example of the EMR group, we propose to enhance the level of faculty and university involvement in the scientific and technical directions of the CM- NMR group. This includes the pursuit of external funding, pipelines for graduate students, and the enhancement of the in-house research component of the group. The promotion of better scientific and technical exchange on materials and problems of common interest in Chem and Bio magnetic resonance areas is also desirable. Vision of the Condensed Matter NMR ProgramBuilding on the strengths and potential of a high performance program

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