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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 40, Iss. 8 — Nov. 1, 1986
  • pp: 1211–1214

Photoacoustic Studies on Neutron-Irradiated Rare Earth Oxide Powers

V. N. Rai, S. N. Thakur, and D. K. Rai

Applied Spectroscopy, Vol. 40, Issue 8, pp. 1211-1214 (1986)


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Abstract

The effect of neutron irradiation on the photoacoustic spectra of Er2O3 and Nd2O3 in powder form has been studied. The irradiation shows a quenching effect on the photoacoustic signal which regains its intensity after a lapse of some time. It is believed that the irradiation changes the oxidation state of the rare-earth ions from M3+ to M2+. The half-life of the recovery process Er2+ to Er3+ in the case of irradiated Er2O3 is found to be 46 h.

Citation
V. N. Rai, S. N. Thakur, and D. K. Rai, "Photoacoustic Studies on Neutron-Irradiated Rare Earth Oxide Powers," Appl. Spectrosc. 40, 1211-1214 (1986)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-40-8-1211

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