Unexpected magnetism explained in Cu/Cu2O-rGO nanocomposite

Rajarshi Roy; Kaustav Bhattacharjee; Satya Prakash Pati; Korak Biswas; Kalyan Kumar Chattopadhyay

Unexpected magnetism explained in Cu/Cu2O-rGO nanocomposite

Materials Science 2023-07-26 v1

Authors: Rajarshi Roy , Kaustav Bhattacharjee , Satya Prakash Pati , Korak Biswas , Kalyan Kumar Chattopadhyay

Abstract

The observation of room temperature ferromagnetism along with a low temperature paramagnetic counterpart in undoped Cu-Cu2O-rGO nanocomposite was demonstrated. A phenomenological approach was taken to explain the observations based on 3D Ising model for arbitrary spins generated due to Cu vacancy in the Cu2O system preferably at the interface.

Keywords

room temperature ferromagnetism paramagnetism Cu-Cu2O-rGO nanocomposite 3D Ising model Cu vacancy phenomenological approach

Cite

@article{arxiv.2307.13331,
  title  = {Unexpected magnetism explained in Cu/Cu2O-rGO nanocomposite},
  author = {Rajarshi Roy and Kaustav Bhattacharjee and Satya Prakash Pati and Korak Biswas and Kalyan Kumar Chattopadhyay},
  journal= {arXiv preprint arXiv:2307.13331},
  year   = {2023}
}

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