MIRAGE SI-STM Operations 9/20/2017
Brookhaven National Laboratory
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MIRAGE SI-STM OPERATIONS
JOB ID 1113 DATE POSTED 09/18/2017
Brookhaven National Laboratory is a multipurpose research institution funded primarily by the U.S. Department of Energy s Office of Science. Located on the center of Long Island, New York, Brookhaven Lab brings world-class facilities and expertise to the most exciting and important questions in basic and applied science from the birth of our universe to the sustainable energy technology of tomorrow. We operate cutting-edge large-scale facilities for studies in physics, chemistry, biology, medicine, applied science, and a wide range of advanced technologies. The Laboratory's almost 3,000 scientists, engineers, and support staff are joined each year by more than 4,000 visiting researchers from around the world. Our award-winning history, including seven Nobel Prizes, stretches back to 1947, and we continue to unravel mysteries from the nanoscale to the cosmic scale, and everything in between. Brookhaven is operated and managed by Brookhaven Science Associates, which was founded by the Research Foundation for the State University of New York on behalf of Stony Brook University, and Battelle, a nonprofit applied science and technology organization.
Spectroscopic Imaging STM Group
Transition metal oxides (TMO) exhibit remarkable electronic properties including: high temperature superconductivity (HTS), colossal magneto-resistance (CMR), and giant thermoelectric power. These materials can also exhibit nano-scale electronic phase separation in bulk and unusual two-dimensional electronic phases at interfaces occurring within artificial heterostructures. In most of these cases, however, the fundamental quantum mechanics of the electronic matter is not understood. The key obstacle is sub-optimal instrumentation. Powerful technique such as SI-STM that measures both atomically-resolved r-space electronic structure plus high-resolution k-space electronic structure, and ARPES that determines the comprehensive k-space electronic structure, are extremely sensitive to surface conditions. The only effective approach to date is that of cleaving the crystal in situ. Since very few materials are cleavable, the vast majority of the systems that could be understood by these techniques have never even been studied with them.
To make it possible to study a far wider variety of TMO, heterostructures and topological systems using these sophisticated techniques, theOASIS project at BNL was conceived to achieve integration of precise Oxide Molecular Beam Epitaxy (OMBE) synthesis with ARPES analysis and state-of-the-art SI-STM (MIRAGE) in a single instrument with a common UHV system. This complex will be integrated within a specially designed OASIS laboratory that has been built in the new Interdisciplinary Science Building in Condensed Matter Physics and Materials Science Department (CMPMSD) at BNL. The science program of the OASIS complex will allow CMPMSD to probe the electronic and magnetic structure and dynamics in real and reciprocal space on each individual system of interest for the first time. Such an integrated approach is required by the strongly correlated or topological nature of these systems, which intertwines localized and itinerant, electronic and magnetic behaviors as well as topological constraints over a range of space and time scales. OASIS is designed to achieve a world leadership role in facilitating these most advanced approaches to studying these fundamental problems.
Successful candidate joins Spectroscopic Imaging STM group and work on day-to-day operation of MIRAGE SI-STM to study strongly correlated materials such as cuprate superconductor and topological systems. Successful candidate also leads a coordinated research of MIRAGE SI-STM with OMBE and ARPES.
Applicant must hold Ph. D in physics or in a related field
Demonstrated track record in cryogenic engineering for design, fabrication, assembly, and testing, of sub-kelvin, ultra-high-vacuum spectroscopic imaging scanning tunneling microscopes
Demonstrated track record in operation of day-to-day SI-STM research using UHV sub-kelvin SI-STM systems
Demonstrated track record in publication of research result from UHV sub-kelvin spectroscopic imaging scanning tunneling microscopes
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