Metal nanoplasmas as bright sources of hard X-ray pulses

P. P. Rajeev, P. Taneja, P. Ayyub, A. S. Sandhu, G. Ravindra Kumar

Research output: Contribution to journalArticlepeer-review

120 Scopus citations

Abstract

A method to enhance hard x-ray bremsstrahlung by coating nanoparticles (NP) on optically smooth metal targets was demonstrated. A 13-fold enhancement in the total emission in the 10-200 keV range using copper NP-coated targets was reported and shwed that they yield hotter electrons in comparison to optically polished, uncoated targets. Such results were well explained by a simple model that invokes local electric field enhancement.

Original languageEnglish (US)
Article number115002
Pages (from-to)115002/1-115002/4
JournalPhysical review letters
Volume90
Issue number11
StatePublished - Mar 21 2003
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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