Startseite Dependence of optical, structural and electrical properties of ZnxCd1–xS thin films prepared by co-evaporation on the composition for x = 0 – 1
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Dependence of optical, structural and electrical properties of ZnxCd1–xS thin films prepared by co-evaporation on the composition for x = 0 – 1

  • Rehana Zia , Farhat Saleemi und Shahzad Naseem
Veröffentlicht/Copyright: 15. Mai 2013
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 101 Heft 2

Abstract

Thin films of zinc cadmium sulphide – a ternary compound intended to be used in solar cells – are prepared by co-evaporation. The films are prepared at room temperature, in a vacuum better than 10–5 Torr. The composition of these films is varied from x = 0 to x = 1 in the compound ZnxCd1–xS. The structural, optical and electrical properties have been investigated as a function of x. The direct band gap varies from 2.415 eV to 3.41 eV for x = 0 to x = 1 respectively. The crystal structure is found to be hexagonal (Wurtzite) for 0 ≤ x ≤ 0.8 and cubic zinc-blende for x > 0.8. The lattice constants decrease and the optical bandgap increases with the increase in the value of x. The resistivity of the ZnxCd1–xS films is found to decrease from 3.6 × 104 Ω cm for x = 0 to 69.5 Ω cm for x = 0.3 and again increases beyond this range to a value of 6.3 × 103 Ω cm for x = 1.0.

Keywords: ZnCdS; Co-evaporation; Optical bandgap; Lattice constants
∗ Correspondence address, Prof. Dr. Shahzad Naseem Centre of Excellence in Solid State Physics University of the Punjab, QAC, Lahore-54590, Pakistan Tel.: +92 42 583 9387 9 × 106 Fax: +92 42 923 1139 E-mail:

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Received: 2008-3-29
Accepted: 2009-3-13
Published Online: 2013-05-15
Published in Print: 2010-02-01

© 2010, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110265
Schlagwörter für diesen Artikel
ZnCdS; Co-evaporation; Optical bandgap; Lattice constants

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Materials for Information Technology
  5. Feature
  6. Advanced high-k/metal gate stack progress and challenges – a materials and process integration perspective
  7. Spintronics in metallic superconductor/ferromagnet hybrid structures
  8. Graphene metrology and devices
  9. The role of defects in resistively switching chalcogenides
  10. Materials in optical data storage
  11. Scaling effects on microstructure and reliability for Cu interconnects
  12. Effects of e-beam curing on glass structureand mechanical properties of nanoporous organosilicate thin films
  13. Printing materials for electronic devices
  14. Basic
  15. Characterisation of lead – calcium alloys ageing in anisothermal conditions by calorimetric, resistance and hardness in-situ measurements
  16. Thermodynamic predictions of Mg – Al – Ca alloy compositions amenable to semi-solid forming
  17. Capillary equilibrium in a semi-solid Al – Cu slurry
  18. A comparative study of room-temperature creep in lead-free tin-based solder alloys
  19. Modeling creep in a thick composite cylinder subjected to internal and external pressures
  20. Applied
  21. The oxidation behaviour of the 9 % Cr steel P92in CO2- and H2O-rich gases relevant to oxyfuel environments
  22. Effect of thermal and mechanical treatments on the hot working response of Mg-3Sn-1Ca alloy
  23. Structure and mechanical properties of an AlCr6Fe2Ti1 alloy produced by rapid solidification powder metallurgy method
  24. Ni2O3-modified TiO2 – xNx as efficientvisible-light photocatalysts
  25. Dependence of optical, structural and electrical properties of ZnxCd1–xS thin films prepared by co-evaporation on the composition for x = 0 – 1
  26. DGM News
  27. DGM News
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