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CsPbCl3 nanocrystals dispersed in the Rb0,8Cs0,2Cl matrix studied by far-infrared spectroscopy

✍ Scribed by A. Voloshynovskii; P. Savchyn; I. Karbovnyk; S. Myagkota; M. Cestelli Guidi; M. Piccinini; A.I. Popov

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 987 KB
Volume: 149
Category: Article
ISSN: 0038-1098
DOI: 10.1016/j.ssc.2009.01.032

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✦ Synopsis

The comparative far-infrared spectroscopy studies of Rb 0.8 Cs 0.2 Cl and Rb 0.8 Cs 0.2 Cl containing CsPbCl 3 nanocrystals between 170 and 320 K are reported. The effect of cesium lead chloride nanocrystals on the phonon modes of the host matrix, particularly manifested in different temperature behavior of LO-TO splitting and the temperature dependence of high frequency dielectric constant, are demonstrated.

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