Room Temperature Ferromagnetism in Cr Doped ZnSe Powders Prepared by Solid State Reaction
| Authors | P. Mallikarjana1, J. Sivasankar1, M. Rigana Begam2, N. Madhusudhana Rao3, S. Kaleemulla3, J. Subrahmanyam4 |
| Affiliations | 1 Department of Physics, Rayalaseema University, Kurnool-518002, A. P., India 2 Department of Science and Humanities, Indira Gandhi College of Engineering and Technology for Women, Athur, Chengalpattu – 603101, T.N., India 3 Thin Films Laboratory, Centre for Crystal Growth, VIT University, Vellore – 632014, T.N., India 4 Department of Physics, N.B.K.R. S&A College, Vidyanagar 524414, A.P., India |
| Е-mail | drnmrao@gmail.com |
| Issue | Volume 8, Year 2016, Number 4 |
| Dates | Received 30 August 2016; revised manuscript 19 December 2016; published online 23 December 2016 |
| Citation | P. Mallikarjana, J. Sivasankar, M. Rigana Begam, et al., J. Nano- Electron. Phys. 8 No 4(2), 04077 (2016) |
| DOI | 10.21272/jnep.8(4(2)).04077 |
| PACS Number(s) | 73.61.Jc, 81.15. – z, 81.15Aa, 78.66.Hf |
| Keywords | Solid state reaction (4) , X-ray diffraction (19) , Diffuse reflectance, Room temperature ferromagnetism. |
| Annotation | Zn1 – xCrxSe (x 0.00, 0.05, & 0.10) powders were prepared by solid state reaction method. The influence of chromium (Cr) doping into ZnSe on structural, optical and magnetic properties Zn1 – xCrxSe powder samples was studied and reported. All the Zn1 – xCrxSe powder samples were identified in zinc blende crystal structure. The lattice constant of Zn1 – xCrxSe samples decreased with increase in Cr concentration. Diffuse reflectance measurements confirmed an increase in the band gap with increase of Cr concentration. The Zn1 – xCrxSe samples exhibited clear hysteresis loop with enhanced room temperature ferromagnetism. |
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