Abstract

The optical response of 200 nm thick La0.7Sr0.3MnO(3 − δ) films, deposited by pulsed laser deposition on amorphous silica substrates heated at nearly 600 °C, under different oxygen pressures (0.1 Pa, 0.5 Pa, 1 Pa, 5 Pa and 10 Pa), is reported. The effects of the oxygen non-stoichiometry are investigated at room temperature dealing with the absorption coefficient and the Tauc's plotmethod rather than conventional optical conductivity. The absorption curves are evaluated by an algorithm able to realistically describe the behavior of thin films without exploiting numerical extrapolations or simplified theoretical models or ab-initio calculations. Optical features, tunable by the growth oxygen pressure, are discussed based on the known theoretical and experimental scenario

Autore Pugliese

• Maruccio Giuseppe , Caricato Anna Paola , Martino Maurizio

Tutti gli autori

• M. Cesaria , A.P. Caricato , G. Leggieri , M. Martino , G. Maruccio

Titolo volume/Rivista

THIN SOLID FILMS

Anno di pubblicazione

2013

ISSN

0040-6090

ISBN

Non Disponibile

Numero di citazioni Wos

5

Ultimo Aggiornamento Citazioni

28/04/2018

Numero di citazioni Scopus

5

Ultimo Aggiornamento Citazioni

22/04/2018

Settori ERC

Non Disponibile

Codici ASJC

Non Disponibile