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Room temperature magnetism in Ni-doped CdSe nanoparticles

  • Sunil Kumar
  • Sanjeev Kumar
  • N. K. Verma
  • S. K. Chakarvarti
Article

Abstract

Room temperature ferro-magnetism in Ni-doped CdSe nanoparticles (NPs) synthesized by a wet chemical precipitation method is reported. Transmission electron microscopy shows that the average particle size of Ni-doped CdSe NPs is about 8 nm. X-ray diffraction shows the zinc blende (cubic) structure of Cd1-x Ni x Se NPs. Superconducting quantum interference device was utilized to study the magnetic behavior of NPs. Magnetic studies revealed that pure CdSe NPs exhibit diamagnetic behavior at 300 K, whereas 5% Ni doped CdSe NPs shows the mixture of paramagnetic and ferromagnetic behavior.

Keywords

Sodium Selenite Ferromagnetic Behavior Superconducting Quantum Interference Device CdSe Nanoparticles Paramagnetic Behavior 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

This work is supported by Department of Science and Technology (DST) (sanction order no. SR/S2/CMP-02/2005). The authors are grateful to DST for its generous funding. The authors would like to thank Prof. R. Chatterji, IIT Delhi for providing SQUID facility.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Sunil Kumar
    • 1
  • Sanjeev Kumar
    • 2
  • N. K. Verma
    • 1
  • S. K. Chakarvarti
    • 3
  1. 1.Nano Research Lab, School of Physics and Materials ScienceThapar UniversityPatialaIndia
  2. 2.University College of EngineeringPunjabi UniversityPatialaIndia
  3. 3.National Institute of TechnologyKurukshetraIndia

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