Khyzhniy I. Electronically-stimulated processes in rare gas solids.

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0410U004653

Thesis Registration Form

0410U004653.pdf

Applicant for

Specialization

  • 01.04.07 - Фізика твердого тіла

19-10-2010

Specialized Academic Board

Д 64.175.03

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

Essay

The thesis is devoted to experimental study of the electronically-stimulated processes in rare gas solids pre-irradiated by ionizing radiation. Thermally- and photon-stimulated exoelectron emission from аtomic cryocrys-tals (solid Ne and solid Xe) was detected for the first time. By means of combined optical and current activation spectroscopy methods a new relaxation mechanism in the subsystem of localized charged particles was revealed. This mechanism is based on radiative recombination of neutral dopant atoms. Anomalous low-temperature post-desorption of rare gas atoms was revealed. A mechanism of this phenomenon was proposed. Trap energy levels corresponding to electronically-stimulated structural defects in solid Ne (~20 meV) and in solid Xe (~40 meV) were estimated. The atomic configu-ration of these defects in solid Ne was determined.

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Files

Aref.doc

diss.doc

diss.doc

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