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EST Group - Infrared Spectroscopy

Microscope

 

Welcome to the unofficial web site for the Infrared component of the Electronic Structure Techniques (EST) Group within the National Synchrotron Light Source II (NSLSII) at Brookhaven National Laboratory on Long Island, New York; this group was previously known as the Soft X-ray Scattering and Spectroscopy (SXSS) Group.  This site will focus on the capabilities of the MET (22-IR-2) and future INF infrared beamlines at the NSLS II.  In addition, there is an Infrared Lab located in 1L-L10 that serves as an off-line facility to support beamline operations.  Collaborative research is also carried out through the proposal system on a variety of materials, including strongly correlated electron systems, with particular attention to emergent phenomena, such as superconductivity.  A brief survey of techniques and topics include:

  • Infrared microscopy

  • Scanning near-field optical microscopy (SNOM)

  • Reflectivity and ellipsometry

  • High-Tc cuprates and iron-based superconductors

  • Topological insulators; Dirac and Weyl semimetals

  • Correlated electron systems (intermetallics, etc.)

  • Density-functional theory ab-initio calculations of electronic band structure and lattice dynamics of perovskites and related materials

In order to conduct these studies instrumentation will be developed for optical reflectance and transmission studies featuring lab-based as well as synchrotron light sources. Some of the samples examined are grown and characterized at Brookhaven.  

 

 

 

 

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Last Modified: Tuesday, December 17, 2024 04:22 PM

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:: News :: Announcements ::

 

Unconventional insulator-to-metal phase transition in Mn3Si2Te6, Y. Gu et al., Nature Commun. 15, 8104 (2024).

 

Unusual electronic and vibrational properties in the colossal thermopower material FeSb2, C. C. Homes, Q. Du, C. Petrovic, W. H. Brito, S. Choi, G. Kotliar Sci. Rep. 8, 11692 (2018). PDF

 

Special Symposium: Reflections on the Life and Career of Myron Strongin, Saturday, January 31, 2015; Physics Large Seminar Room. PDF details here

 

Optical conductivity of a nodal metal, C. C. Homes, J. Tu, J. Li, G. D. Gu, and A. Akrap, Sci. Rep. 3, 3446 (2013). PDF

 

 

 

 

 

 

 

 

 

 

 
 


One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers. Brookhaven is operated and managed for DOE's Office of Science by Brookhaven Science Associates, a limited-liability company founded by Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit, applied science and technology organization.

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