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Coherent two-dimensional terahertz-terahertz-Raman spectroscopy

Overview of attention for article published in Proceedings of the National Academy of Sciences of the United States of America, June 2016
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Title
Coherent two-dimensional terahertz-terahertz-Raman spectroscopy
Published in
Proceedings of the National Academy of Sciences of the United States of America, June 2016
DOI 10.1073/pnas.1605631113
Pubmed ID
Authors

Ian A. Finneran, Ralph Welsch, Marco A. Allodi, Thomas F. Miller, Geoffrey A. Blake

Abstract

We present 2D terahertz-terahertz-Raman (2D TTR) spectroscopy, the first technique, to our knowledge, to interrogate a liquid with multiple pulses of terahertz (THz) light. This hybrid approach isolates nonlinear signatures in isotropic media, and is sensitive to the coupling and anharmonicity of thermally activated THz modes that play a central role in liquid-phase chemistry. Specifically, by varying the timing between two intense THz pulses, we control the orientational alignment of molecules in a liquid, and nonlinearly excite vibrational coherences. A comparison of experimental and simulated 2D TTR spectra of bromoform (CHBr3), carbon tetrachloride (CCl4), and dibromodichloromethane (CBr2Cl2) shows previously unobserved off-diagonal anharmonic coupling between thermally populated vibrational modes.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 114 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Switzerland 1 <1%
Korea, Republic of 1 <1%
Austria 1 <1%
Brazil 1 <1%
Mexico 1 <1%
Greece 1 <1%
Unknown 108 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 27 24%
Researcher 22 19%
Student > Master 12 11%
Professor > Associate Professor 9 8%
Student > Doctoral Student 6 5%
Other 13 11%
Unknown 25 22%
Readers by discipline Count As %
Chemistry 41 36%
Physics and Astronomy 39 34%
Materials Science 3 3%
Biochemistry, Genetics and Molecular Biology 2 2%
Energy 1 <1%
Other 3 3%
Unknown 25 22%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 08 June 2016.
All research outputs
#16,741,542
of 24,625,114 outputs
Outputs from Proceedings of the National Academy of Sciences of the United States of America
#91,769
of 101,438 outputs
Outputs of similar age
#220,155
of 347,115 outputs
Outputs of similar age from Proceedings of the National Academy of Sciences of the United States of America
#757
of 876 outputs
Altmetric has tracked 24,625,114 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 101,438 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 38.8. This one is in the 5th percentile – i.e., 5% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 347,115 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 876 others from the same source and published within six weeks on either side of this one. This one is in the 10th percentile – i.e., 10% of its contemporaries scored the same or lower than it.