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Title: Femtosecond laser induced breakdown spectroscopy of Cu at the micron/sub-micron scale

Journal Article · · Spectrochimica Acta. Part B, Atomic Spectroscopy
 [1];  [1];  [2]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Applied Spectra, Fremont, CA (United States)

While femtosecond Laser Induced Breakdown Spectroscopy has been studied in the macro-scale (i.e. ablation crater sizes of tens to hundreds of micrometers), the spectral emission mechanisms at the micron/sub-micron scale remain largely unknown, mainly because of the challenges associated with spectral emission acquisition from the limited amounts of ablated mass at these small lengthscales. In this work we study the limits of detection, the laser-induced plasma properties and spectral emission efficiency of Cu at the micron/submicron scale. Although the corresponding number electron densities and temperatures are similar to those reported for macroscale laser ablation, our findings suggest less efficient luminous spectral emission per ablated volume as we scale down in laser energy and crater sizes. Furthermore, these results provide a first insight into fs laser-induced plasma properties at the micron/sub-micron scale regime.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1532169
Alternate ID(s):
OSTI ID: 1251852
Journal Information:
Spectrochimica Acta. Part B, Atomic Spectroscopy, Vol. 113, Issue C; ISSN 0584-8547
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 38 works
Citation information provided by
Web of Science

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Cited By (10)

Novel 2D binning approach for advanced LIMS depth profiling analysis journal January 2019
Effect of sample temperature on time-resolved laser-induced breakdown spectroscopy journal June 2019
Evaluation of stress on metal surfaces by laser-induced breakdown spectroscopy journal October 2019
Spatial and temporal distribution of metal atoms and their diatomic oxide molecules in femtosecond laser-induced plasmas journal January 2018
Review—Laser Ablation Ionization Mass Spectrometry (LIMS) for Analysis of Electrodeposited Cu Interconnects journal December 2018
Temporal Evolution of Polarization Resolved Laser-Induced Breakdown Spectroscopy of Cu journal October 2019
Spreading a water droplet through filter paper on the metal substrate for surface-enhanced laser-induced breakdown spectroscopy journal January 2018
Novel 2D binning approach for advanced LIMS depth profiling analysis text January 2019
Review—Laser Ablation Ionization Mass Spectrometry (LIMS) for Analysis of Electrodeposited Cu Interconnects text January 2019
Review of the recent advances and applications of LIBS-based imaging journal January 2019