Investigation of Structural, Magnetic, and Optical Properties of ZnO Codoped with Co and Cd
Co and Cd have been codoped in ZnO using a simple solid state reaction technique to synthesize dilute magnetic oxide semiconductors of composition Zn0.9Co0.1−xCdxO (x = 0.0-0.1 with an increment of 0.02). Hexagonal wurtzite structure has been obtained for samples up to x = 0.06, using X-ray diffract...
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| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | Advances in Condensed Matter Physics |
| Online Access: | http://dx.doi.org/10.1155/2014/362864 |
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| author | Lubna Mustafa Safia Anjum Salma Waseem Rehana Zia Rameesha Choudhry Shahid M. Ramay Asif Mahmood Shahid Atiq Salah Ud-Din Khan |
| author_facet | Lubna Mustafa Safia Anjum Salma Waseem Rehana Zia Rameesha Choudhry Shahid M. Ramay Asif Mahmood Shahid Atiq Salah Ud-Din Khan |
| author_sort | Lubna Mustafa |
| collection | DOAJ |
| description | Co and Cd have been codoped in ZnO using a simple solid state reaction technique to synthesize dilute magnetic oxide semiconductors of composition Zn0.9Co0.1−xCdxO (x = 0.0-0.1 with an increment of 0.02). Hexagonal wurtzite structure has been obtained for samples up to x = 0.06, using X-ray diffractometry. However, at x = 0.08 and 0.1, secondary peak of CdO is observed. Raman spectra of the samples have been obtained in 200–800 cm−1 range. UV-VIS spectrophotometer is used to study the optical properties, which shows that band gap energy decreases with the increase in Cd concentration. A weak ferromagnetic behavior was evident which decreased further by adding Cd in the series. Room temperature resistivity measurements performed using four-point probe technique showed that their values lie in the semiconductor range. Structural morphology of the samples has been investigated by a scanning electron microscope and grain size has been determined. Raman spectra and Fourier transform infrared spectroscopy revealed the successful incorporation of Co and Cd ions into the host ZnO lattice. |
| format | Article |
| id | doaj-art-b59cc14e4ff64ff8854222ae8b9c6ffa |
| institution | Kabale University |
| issn | 1687-8108 1687-8124 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Condensed Matter Physics |
| spelling | doaj-art-b59cc14e4ff64ff8854222ae8b9c6ffa2025-02-03T05:50:12ZengWileyAdvances in Condensed Matter Physics1687-81081687-81242014-01-01201410.1155/2014/362864362864Investigation of Structural, Magnetic, and Optical Properties of ZnO Codoped with Co and CdLubna Mustafa0Safia Anjum1Salma Waseem2Rehana Zia3Rameesha Choudhry4Shahid M. Ramay5Asif Mahmood6Shahid Atiq7Salah Ud-Din Khan8Department of Physics, Lahore College for Women University, Lahore 54600, PakistanDepartment of Physics, Lahore College for Women University, Lahore 54600, PakistanDepartment of Physics, Lahore College for Women University, Lahore 54600, PakistanDepartment of Physics, Lahore College for Women University, Lahore 54600, PakistanDepartment of Physics, Lahore College for Women University, Lahore 54600, PakistanPhysics and Astronomy Department, College of Science, King Saud University, P.O. Box 800, Riyadh 11421, Saudi ArabiaDepartment of Chemical Engineering, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi ArabiaCentre of Excellence in Solid State Physics, University of the Punjab, Quaid-e-Azam Campus, Lahore 54590, PakistanSustainable Energy Technologies Center, King Saud University, Riyadh 11421, Saudi ArabiaCo and Cd have been codoped in ZnO using a simple solid state reaction technique to synthesize dilute magnetic oxide semiconductors of composition Zn0.9Co0.1−xCdxO (x = 0.0-0.1 with an increment of 0.02). Hexagonal wurtzite structure has been obtained for samples up to x = 0.06, using X-ray diffractometry. However, at x = 0.08 and 0.1, secondary peak of CdO is observed. Raman spectra of the samples have been obtained in 200–800 cm−1 range. UV-VIS spectrophotometer is used to study the optical properties, which shows that band gap energy decreases with the increase in Cd concentration. A weak ferromagnetic behavior was evident which decreased further by adding Cd in the series. Room temperature resistivity measurements performed using four-point probe technique showed that their values lie in the semiconductor range. Structural morphology of the samples has been investigated by a scanning electron microscope and grain size has been determined. Raman spectra and Fourier transform infrared spectroscopy revealed the successful incorporation of Co and Cd ions into the host ZnO lattice.http://dx.doi.org/10.1155/2014/362864 |
| spellingShingle | Lubna Mustafa Safia Anjum Salma Waseem Rehana Zia Rameesha Choudhry Shahid M. Ramay Asif Mahmood Shahid Atiq Salah Ud-Din Khan Investigation of Structural, Magnetic, and Optical Properties of ZnO Codoped with Co and Cd Advances in Condensed Matter Physics |
| title | Investigation of Structural, Magnetic, and Optical Properties of ZnO Codoped with Co and Cd |
| title_full | Investigation of Structural, Magnetic, and Optical Properties of ZnO Codoped with Co and Cd |
| title_fullStr | Investigation of Structural, Magnetic, and Optical Properties of ZnO Codoped with Co and Cd |
| title_full_unstemmed | Investigation of Structural, Magnetic, and Optical Properties of ZnO Codoped with Co and Cd |
| title_short | Investigation of Structural, Magnetic, and Optical Properties of ZnO Codoped with Co and Cd |
| title_sort | investigation of structural magnetic and optical properties of zno codoped with co and cd |
| url | http://dx.doi.org/10.1155/2014/362864 |
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