Abstract
Direct synthesis of lead iodide, a promising material for X-ray and γ detectors operating at room temperature, was developed and optimized. The influence of admixture of rare earth elements Ce, Ho, Gd, Yb, Er, and Tb in concentrations 0.05–0.5 at. % on the quality of prepared PbI2 was investigated. Zone melting was employed in order to increase the lead iodide purity. Electrical and optical properties of PbI2 samples were assessed on the basis of the measurement of electrical resistivity and low-temperature photoluminescence. The electrical resistivity of synthesized samples varied from 109 Ω cm to 1011 Ω cm and occasionally it was increased up to 1013 Ω cm.
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© 2007 Institute of Chemistry, Slovak Academy of Sciences
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Articles in the same Issue
- Evaluation and interlaboratory validation of a GC-MS method for analysis of pesticide residues in teas
- Protective effects of vitamin E against CCl4-induced hepatotoxicity in rabbits
- Influence of composition on corroding process of Na2O-K2O-CaO-ZrO2-SiO2 glasses
- Effects of type and number of impellers and liquid viscosity on the power characteristics of mechanically agitated gas—liquid systems
- Modelling of composting of food waste in a column reactor
- Comparison of chemical properties of food products processed by conventional and ohmic heating
- Electrical resistivity and photoluminescence of lead iodide crystals
- Effect of microwave irradiation on the reactivity of chloroarenes in Suzuki—Miyaura reaction
- Kinetics of extraction of coal-tar pitch components with supercritical carbon dioxide
- Mechanism of photocatalytic oxidation of gaseous ethanol
- Kinetics and mechanism of hydroboration of oct-1-and-4-ene by dimeric dialkylboranes
- Reaction sites of N,N′-substituted p-phenylenediamine antioxidants
- Theoretical study of solvent effect on π-EDA complexation II. Complex between TCNE and two benzene molecules