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Ta-doped In2O3 transparent conductive films with high transmittance and low resistance

Wang B., Hu L. M., Liu F. M., Qin L., Liu Y., Wang L. J.

Optica Applicata

2010

Vol. 40, nr 1

25--31

Ta-doped In2O3 transparent conductive oxide (TCO) thin films are deposited on glass substrates by radio-frequency (RF) sputtering at room-temperature. The influence of sputtering power on the structural, morphologic, electrical, and optical properties of the films is investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Hall measurement, and optical transmission spectroscopy. The obtained films are polycrystalline with a cubic structure and preferentially oriented in the (222) crystallographic direction. The minimum resistivity of 2.8×10-4 ?cm is obtained from the film deposited at the sputtering power of 170 W. The average optical transmittance of the films is over 90%.

Ab Initio Study of AuTe2 Cluster

Su Rong Q. M., Liu F. M.

Polish Journal of Chemistry

2009

Vol. 83, nr 2

285-292

The geometries of the lowest-lying isomers of small AuTe2 cluster are determined through the MP2 method. The aspect of gold-telluride and telluride-telluride interaction, the electron correlation and relativistic effects on geometry and stability were investigated at the different theoretical levels of electron correlation. The results show that the electron correlation and relativistic effects are responsible not only for telluride-telluride attraction but also for additional gold-telluride interaction. Both effects are essential for determining the geometry and relative stability of coin age metal telluride compound AuTe2 cluster.