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| Content Provider | Springer Nature Link |
|---|---|
| Author | Nefzi, K. Rabhi, A. Kanzari, M. |
| Copyright Year | 2015 |
| Abstract | Cu$_{3}$SbS$_{3}$ ingot material was successfully grown by direct melting of the constituent elements taken in stoichiometry compositions using high-purity copper, antimony and sulfide elements. Cu$_{3}$SbS$_{3}$ thin films were prepared by single source vacuum thermal evaporation method under vacuum (10$^{−5}$ Torr) onto no heated glass substrates. The X-ray diffraction experimental data revealed that the Cu$_{3}$SbS$_{3}$ powder exhibiting an orthorhombic structure and lattice parameters a, b and c were calculated. It has been shown that the as-deposited Cu$_{3}$SbS$_{3}$ thin films were overall amorphous and the film thicknesses were around 400 nm. The absorption spectra of the films showed that the Cu$_{3}$SbS$_{3}$ compound is a direct band gap material and the gap value is closed to 1.46 eV. The as-deposited Cu$_{3}$SbS$_{3}$ films show absorption coefficients of about 2 × 10$^{5}$ cm$^{−1}$ near the absorption edge. The as-deposited Cu$_{3}$SbS$_{3}$ films exhibit p-conductivity type by using hot probe method. A Schottky diode (Al/p-Cu$_{3}$SbS$_{3}$/Mo) was fabricated by simple deposition of pure Aluminum on the front side of the Cu$_{3}$SbS$_{3}$ thin film. I–V characteristics show that the Al makes Schottky contact with p-Cu$_{3}$SbS$_{3}$. Impedance spectroscopy technique was used to evaluate the conduction processes of the samples as a function of temperature (598–673 K) in the range 1 Hz–13 MHz. We found a decrease with temperature of the entire serial resistance R$_{s}$, the parallel resistance R$_{p}$ and the capacitance C$_{p}$. In effort to modeling these results an equivalent electrical circuit was used. From the Arrhenius diagram, we estimated activation energy at 0.16 eV which represents the energy difference between the trap level and the valence band. |
| Starting Page | 1888 |
| Ending Page | 1896 |
| Page Count | 9 |
| File Format | |
| ISSN | 09574522 |
| Journal | Journal of Materials Science: Materials in Electronics |
| Volume Number | 27 |
| Issue Number | 2 |
| e-ISSN | 1573482X |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-10-31 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Optical and Electronic Materials Characterization and Evaluation of Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering |
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