Primary radiation-induced electron-excess defects and the formation of O−3 in KClO4 and KBrO4 investigated by ESR
- 15 September 1981
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 75 (6) , 2663-2666
- https://doi.org/10.1063/1.442421
Abstract
The ESR spectra of primary electron‐excess defects in KClO4 and KBrO4 crystals irradiated with x rays at 26 K indicate that trapping of electrons on ClO−4 leads to immediate expulsion of O−, whereas BrO−4 may accept an excess electron, forming a doubly charged anion BrO2−4. The thermally activated formation of O−3 involves in both cases addition of O2 to the primary electron‐excess defects. Hence, BrO2−4 is chemically equivalent to O−.Keywords
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