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Title: The onset of shear modes in the high frequency spectrum of simple disordered systems: Current knowledge and perspectives

In this study, nearly two decades of thorough Inelastic X Ray Scattering (IXS) studies of transverse-like excitation in the spectrum simple amorphous materials are reviewed. A particular attention is given to the case of liquid water and other prototypical samples, through a discussion of both solved and still open issues. Finally, the perspectives opened up by the development of next generation IXS instruments with unprecedented contrast and resolution bandwidth are briefly illustrated.
 [1] ;  [1] ;  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
OSTI Identifier:
Report Number(s):
Journal ID: ISSN 1478-6435; R&D Project: LS001
Grant/Contract Number:
Accepted Manuscript
Journal Name:
Philosophical Magazine (2003, Print)
Additional Journal Information:
Journal Name: Philosophical Magazine (2003, Print); Journal ID: ISSN 1478-6435
Taylor & Francis
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
36 MATERIALS SCIENCE; inelastic X ray scattering; non-hydrodynamics modes; discovered systems