Induction of photoconductivity in barley seeds by ionizing radiations
Journal Article
·
· Radiation Botany
The electrical conductivity of a dry barley seed is increased many times by exposure to a radiation dose of the order of 10/sup 5/ rads. At room temperature this conductivity then diminishes, halving every few hours, in much the same way as does the photoconductivity induced in plastic insulators by radiation. If the irradiated seed is heated to 90 deg C the conductivity changes occur within approximately 1 hr instead of two or three days. Presumably electrons ejected by the radiation are held in traps from which they are transferred into the conduction band by fluctuations in thermal energy. Possible connections between this phenomenon, the radiation biology of barley seed and spin resonance measurements are discussed.
- Research Organization:
- Wakari Public Hospital, Dunedin, N.Z.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-18-013532
- OSTI ID:
- 4093658
- Journal Information:
- Radiation Botany, Journal Name: Radiation Botany Journal Issue: 4 Vol. 3; ISSN 0033-7560
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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