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Magnetic properties of pulsed laser deposited Co1-xZnxFe2O4 (0.10 <= x <= 0.70) thin films

Authors
  • PRABHU, R
  • SAHU, BN
  • VENKATARAMANI, N
  • PRASAD, S
  • KRISHNAN, R
Publication Date
Dec 03, 2018
Source
DSpace at IIT Bombay
Keywords
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Unknown
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Abstract

The magnetic properties of pulsed laser deposited Co-Zn ferrite [Co1-xZnxFe2O4 (0.1 <= x <= 0.7)] nanocry-stalline thin films have been investigated. The films were deposited on amorphous quartz substrate. The observed magnetic properties of the films depend on the deposition temperature (T-S), the annealing temperature (T-A) and the Zn content (x). A magnetization value higher than bulk was observed in a room temperature deposited Co rich (x = 0.1) Co-Zn ferrite thin films, when the films were ex-situ annealed at T-A = 750 degrees C. On the other hand, in Zn rich (x = 0.7) Co-Zn ferrite, a magnetization value higher than bulk (x = 0.7) was obtained in a film deposited at T-S = 750 degrees C. The unusual magnetization values are explained on the basis of grain growth and the cation distribution in thin films. (C) 2017 Elsevier B.V. All rights reserved.

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