Investigation of the effect of temperature on the positron annihilation in solid and liquid tin | Zendy

Rudzinska W. | Zendy; Szymanski Cz. | Zendy; Chabik S. | Zendy; Rozenfeld B. | Zendy

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Investigation of the effect of temperature on the positron annihilation in solid and liquid tin

Author(s) -

Rudzinska W.,

Szymanski Cz.,

Chabik S.,

Rozenfeld B.

Publication year - 1987

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.2170221122

Subject(s) - tin , positron annihilation , annihilation , melting point , vacancy defect , melting temperature , kinetics , positron , activation energy , materials science , condensed matter physics , thermodynamics , physics , chemistry , nuclear physics , metallurgy , composite material , quantum mechanics , electron

The temperature dependence of the counting rate, F ( T ), has been measured in tin. A sudden increase in the counting rate, connected with the creation of vast defects acting as positron traps, has been observed on passing through the melting point. Both the F ( T ) and angular correlation curves indicate that the defected areas decay with increasing temperature. The kinetics of this effect has been discussed and the vacancy formation energy, being equal to E ν = 0.50 ± 0.02 eV, has been determined.

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