Ruderman-Kittel-Kasuya-Yosida Magnetic Interactions in Chemically Synthesized Zn-Fe-AlO Nanocrystallites

Abstract:

Chemically derived auto-combustion technique is employed to synthesize the Zn_0.95-xFe_0.05 Al_xO (x=00.07 in 0.02 increment) nanocrystallites. X-ray diffraction studies of all compositions revealed the phase pure wurtzite crystal structure with space group P63mc. The lattice parameters and crystallite size is changed with doping of Al attributed to the diversity in size of ionic radii. Temperature dependent electrical resistivity shows a decreased trend with the rise of temperature, confirming the semiconductor nature of compositions. The lower resistivity and enhanced saturation magnetization values in Al doped compositions correspond to the increase in density of carriers. Carriers mediated RKKY interactions are found to observe for enhancement of magnetization.

• Periodical: Advanced Materials Research (Volume 748)
• Pages: 65-69
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.748.65
• Online since: August 2013
• Authors: Asif Mahmood, Yousef Al-Zeghayer
• Keywords: Auto-Combustion, Diluted Magnetic Semiconductors, Magnetic Property, RKKY Interactions

References

[1] M. Saleem S.A. Siddiqi, S. Atiq, M.S. Anwar: Mater. Charac. 62 (2011) 1102.

[2] S. A. Wolf, D. D. Awschalom, R. A. Buhrman, J. M. Daughton, S. V. Molnar, M. L. Roukes: Science 294 (2001) 1488.

[3] T. Fukumura, Y. Yamada, H. T. Oyosaki, T. Hasegawa, H. Koinuma, M. Kawasaki: Appl. Surf. Sci. 223 (2004) 62-67.

[4] S. J. Pearton, D. P. Norton, K. Ip and Y. W. Heo: Prog. Mater. Sci. 50 (2005) 293.

[5] J. M. D. Coey, C. B. Fitzgerald and M. Venkatesan: Nat. Mater. 4 (2005) 173.

[6] J. M. D. Coey, A.P. Douvalis, C. B. Fitzgerald and M. Venkatesan: Appl. Phys. Lett. 84 (2004) 1332.

[7] N.Y.H. Hong, J. Sakai and A. Hassini: Appl. Phys. Lett.: 84 (2004) 2602.

[8] F. Ahmed, S. Kumar, N. Arshi, M. S. Anwar, B. H. Koo and C. G. Lee: Microelectron. Eng., 89 (2012) 129.

[9] M. Saleem, S. Atiq, S. Naseem, S. A. Siddiqi: J. Kor. Phys. Soc. 60 (2012) 1772.

[10] F. Ahmed, S. Kumar, M. Anwar and B. H. Koo: Cryst. Eng. Comm. 4 (2012) 4016.

[11] A. Gupta, H. Cao, K. Parekh, U. Waghmare: J. Appl. Phys., 101 (2007) 09 N513.

[12] M. Venkatesan, C. B. Fitzgerald, J. M. D. Coey: Phys. Rev. Lett. 93 (2004) 177206.

[13] J. H. Kim, H. Kim, D. Kim, Y. E. Ihm, W. K. Choo: J. Appl. Phys. 92 (2002) 6066.

[14] J. H. Park, M. G. Kim, H. M. Jang, S. Ryu: Appl. Phys. Lett., 84 (2004) 1338.

[15] F. Ahmed, S. Kumar, N. Arshi, M. S. Anwar, B. H. Koo and C. G. Lee: Funct. Mater. Lett. 4 (2011) 1.

[16] F. Ahmed, S. Kumar, N. Arshi, M. S. Anwar, B. H. Koo and C. G. Lee: Thin Solid Films, 519 (2011) 8199.

DOI: 10.1016/j.tsf.2011.03.062

[17] Z. Yu, S. Ge, Y. Zuo, G. Wang, F. Zhang: Appl. Surf. Sci. 256 (2010) 5813.

[18] J. H. Yang, L. Y. Zhao, X. Ding, L. L. Yang, Y. J. Zhang, Y. X. Wang, H. L. Liu: Mater. Sci. Eng. 162 (2009) 143.

[19] L. N. Tong,X. M. He, H. B. Han, J. L. Hu, A. L. Xia, Y. Tong: Solid State Commun. 150 (2010) 1112.

[20] M. Saleem S. A. Siddiqi, S. Atiq, M. S. Anwar: Chin. Phys. Lett. 28 (2011) 116103.

[21] G. Pei, F. Wu, C. Xia, J. Zhang, X. Li, J. Xu: Curr. Appl. Phys. 8 (2008) 18.

[22] M. Saleem, S. A. Siddiqi, S. Atiq, S. Riaz: Chin. J. Chem. Phys. 23 (2010) 469.

[23] G. Pei, C. Xia, L. Wang, X. Li, X. Jiao, J. Xu: Scripta Materialia, 56 (2007) 967.

[24] S. Deka, P. A. Joy: Solid State Commun. 142 (2007) 190.

[25] V. K. Sharma, R. Xalxo, G. D. Varma: Cryst. Res. Technol. 42 (2007) 34.

[26] Jr. D. J. Priour,E. H. Hwang, S. D. Sarma: Phys. Rev. Lett. 92 (2004) 117201.