Vibrational spectroscopy with neutrons: Recent developments
- Science and Technology Facilities Council (STFC), Oxford (United Kingdom). Rutherford Appleton Lab., ISIS Neutron Source
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical & Engineering Materials Division
Here in this short review, we will briefly summarise the differences between INS spectroscopy and conventional infrared and Raman spectroscopies. We will illustrate these with the current state-of-the art, using C70 as an example. The main focus of the article will be on the key advances in INS spectroscopy over the last ten years or so, that are driving new areas of research. The developments fall into three broad categories: (i) new sources, (ii) new and/or upgraded instrumentation and (iii) novel uses for existing instruments. For (i) we summarise the new neutron sources that are now, or will be, operating. For (ii) we show the capabilities of new or upgraded instruments. These offer unprecedented levels of sensitivity: sub-millimole quantities of hydrogen can be measured and millimole quantities of low cross section materials. Recent work on hexahalo metallates and adsorbed CO2 is used to demonstrate what is now feasible. For (iii), instruments that were designed for studies of magnetism, are now being used for molecular spectroscopy, especially for catalysts. This is illustrated with work on CuH and methanol synthesis catalysts.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1422531
- Alternate ID(s):
- OSTI ID: 1703893
- Journal Information:
- Spectrochimica Acta. Part A. Molecular and Biomolecular Spectroscopy (Print), Vol. 190, Issue C; ISSN 1386-1425
- Country of Publication:
- United States
- Language:
- English
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