Magnetic nanocluster formation of Fe ions embedded in SiO2 and Al2O3 substrates

Bharuth-Ram K, Ronning C, Doyle TB (2018)

Publication Type: Conference contribution

Publication year: 2018

Journal

MRS Advances Cambridge University Press

Publisher: Materials Research Society

Book Volume: 3

Pages Range: 2603-2608

Conference Proceedings Title: MRS Advances

DOI: 10.1557/adv.2018.419

Abstract

Research focus in recent years on magnetic behaviour of transition metal (TM) ions embedded in semiconductors has shifted from intrinsic effects to extrinsic effects such as the formation of nanoclusters of the TM ions and the influence of the host matrix on their magnetic behaviour. Our studies, using conversion electron Mössbauer Spectroscopy and magnetization measurements, on SiO2 and Al2O3 substrates implanted with 4 at. % Fe, show ferromagnetic behaviour of α-Fe clusters in amorphous SiO2, but α-Fe2O3 clusters displaying superparamagnetic relaxation in crystalline Al2O3.

Involved external institutions

Durban University of Technology (DUT) ZA South Africa (ZA) iThemba Laboratory for Accelerator Based Sciences ZA South Africa (ZA)

How to cite

APA:

Bharuth-Ram, K., Ronning, C., & Doyle, T.B. (2018). Magnetic nanocluster formation of Fe ions embedded in SiO2 and Al2O3 substrates. In MRS Advances (pp. 2603-2608). Materials Research Society.

MLA:

Bharuth-Ram, K., Carsten Ronning, and T. B. Doyle. "Magnetic nanocluster formation of Fe ions embedded in SiO2 and Al2O3 substrates." Proceedings of the MRS Advances Materials Research Society, 2018. 2603-2608.

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