The optical absorption coefficient of thin film and bulk Cu2O at room temperature is obtained from an accurate analysis of their transmittance and reflectance spectra. These absorption spectra are modeled, together with the low temperature data reported in the literature, using an analytical expression to assess and quantify the role of the different absorption mechanisms. The results suggest that direct forbidden transitions and indirect transitions play an almost equally relevant role. A table of the optical constants of Cu2O single crystal is given for reference.

Absorption coefficient of bulk and thin film Cu2O

Malerba, Claudia;Azanza Ricardo, Cristy Leonor;D'Incau, Mirco;Scardi, Paolo;
2011-01-01

Abstract

The optical absorption coefficient of thin film and bulk Cu2O at room temperature is obtained from an accurate analysis of their transmittance and reflectance spectra. These absorption spectra are modeled, together with the low temperature data reported in the literature, using an analytical expression to assess and quantify the role of the different absorption mechanisms. The results suggest that direct forbidden transitions and indirect transitions play an almost equally relevant role. A table of the optical constants of Cu2O single crystal is given for reference.
2011
10
Malerba, Claudia; Biccari, F.; Azanza Ricardo, Cristy Leonor; D'Incau, Mirco; Scardi, Paolo; Mittiga, A.
File in questo prodotto:
File Dimensione Formato  
SEM&SC_95(2011)2848-2854.pdf

Solo gestori archivio

Tipologia: Versione editoriale (Publisher’s layout)
Licenza: Tutti i diritti riservati (All rights reserved)
Dimensione 515.08 kB
Formato Adobe PDF
515.08 kB Adobe PDF   Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/92896
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 205
  • ???jsp.display-item.citation.isi??? 197
  • OpenAlex ND
social impact