This web site is designed for accessibility. Content is obtainable and functional to any browser or Internet device. This page's full visual experience is available in a graphical browser that supports web standards. See reasons to upgrade your browser.

Homepage BNL Home

SXSS Group - Infrared Spectroscopy



Welcome to the unofficial web site for the Infrared component of the soft x-ray scattering and spectroscopy (SXSS) group within the National Synchrotron Light Source II at Brookhaven National Laboratory on Long Island, New York.  This site will focus on the capabilities of the MET and future INF infrared beamlines at the NSLS II.  In addition, collaborative research is also carried out 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 carry out 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.  


This site previously hosted the web page for the Electron Spectroscopy Group in the Condensed Matter Physics & Materials Science Department, which was defunded in 2021.  The old web site may be found at:



  Top of Page


Last Modified: Friday, June 17, 2022 03:23 PM

Please forward all questions about this site to the Webmaster

:: News :: Announcements ::


Electron Spectroscopy Group Defunded, October, 2021.


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


Hidden T-linear scattering rate in Ba0.5K0.4Fe2As2 revealed by optical  spectroscopy, Y. M. Dai, B. Xu, B. Shen, H. Xiao, H. H. Wen, X. G. Qiu, C. C. Homes, and R. P. S. M. Lobo, Phjys. Rev. Lett. 111, 117001 (2013). PDF