1998
DOI: 10.1088/0268-1242/13/6/004
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Parameters of defect states in alloys irradiated with electrons

Abstract: This paper is devoted to the investigation of galvanomagnetic effects (B ≤ 7 T) in electron-irradiated (T = 300 K, E = 6 MeV, ≤ 5.7 × 10 17 cm −2 ) n-and p-Pb 1−x Sn x Se (x ≤ 0.03) alloys in the vicinity of the insulator-metal transition induced by pressure (P ≤ 18 kbar). In the frame of the two-band model, the dependence of the Hall constant on the magnetic field was calculated and found to be in a good agreement with experimental data. The main parameters of charge carriers in irradiated alloys were determi… Show more

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Cited by 2 publications
(2 citation statements)
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“…It may be due to the influence of the conductivity via impurity band with essentially lower mobility on the value of the Hall coefficient at helium temperatures. Then, the correct determination of the free charge carrier concentration from the Hall coefficient should be based on the two-band conductivity model, and the knowledge of the main parameters (conductivities and mobilities) for each type of conductivity mechanism is required [22,23].…”
Section: Galvanomagnetic Effects Under Pressurementioning
confidence: 99%
“…It may be due to the influence of the conductivity via impurity band with essentially lower mobility on the value of the Hall coefficient at helium temperatures. Then, the correct determination of the free charge carrier concentration from the Hall coefficient should be based on the two-band conductivity model, and the knowledge of the main parameters (conductivities and mobilities) for each type of conductivity mechanism is required [22,23].…”
Section: Galvanomagnetic Effects Under Pressurementioning
confidence: 99%
“…However, at high radiation fluxes, upon approaching the metal-insulator transition point the dependence of the electron concentration on the radiation flux can be distorted as a result of both varying the radiation defect introduction rate and the radiation defect band overlapping the conduction band (figure 1(b)). Thus, investigation of the galvanomagnetic properties of electron-irradiated alloys in the vicinity of the metal-insulator transition makes it possible to determine the radiation defect introduction rate and its dependence on the radiation flux as well as to obtain some information about the radiation defect band parameters [4] and the microscopic structure of the defects.…”
Section: Introductionmentioning
confidence: 99%