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Application of terahertz spectroscopy to time-dependent chemical-physical phenomena

Innocenzi, Plinio and Malfatti, Luca and Piccinini, Massimo and Sali, Diego and Schade, Ulrich and Marcelli, Augusto Claudio (2009) Application of terahertz spectroscopy to time-dependent chemical-physical phenomena. The Journal of Physical Chemistry. A, Vol. 113 (34), p. 9418-9423. eISSN 1520-5215. Article.

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DOI: 10.1021/jp902502z

Abstract

We present here a “proof of concepts” experiment that has been realized to show that time-dependent phenomena can be successfully studied in the terahertz region in a non pump−probe configuration. We have built-up an original analytical setup that has allowed following the evaporation of a deuterated water droplet cast on a CVD diamond substrate simultaneously in the near-middle infrared region and in the terahertz range. We have used a synchrotron light source in the terahertz region and a conventional thermal source in the infrared range. The results demonstrate that it is possible to study time-dependent phenomena simultaneously in the middle and terahertz ranges monitoring the entire chemical-physical process that occurs in the time domain of minutes.

Item Type:Article
ID Code:7032
Status:Published
Refereed:Yes
Uncontrolled Keywords:Terahertz spectroscopy, timedependent phenomena, THz emission, synchrotron radiation
Subjects:Area 09 - Ingegneria industriale e dell'informazione > ING-IND/22 Scienza e tecnologia dei materiali
Divisions:002 Altri enti e centri di ricerca del Nord Sardegna > Porto Conte Ricerche, Alghero
002 Altri enti e centri di ricerca del Nord Sardegna > INSTM-Consorzio Interuniversitario Nazionale per la Scienza e la Tecnologia dei Materiali, Unità di ricerca di Sassari
001 Università di Sassari > 01 Dipartimenti > Architettura e pianificazione
Publisher:American Chemical Society
eISSN:1520-5215
Deposited On:26 Jan 2012 17:00

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