Vacancy versus interstitial migration in the electrical resistivity recovery stages III and IV of molybenum

L. Stals; J. Nihoul; J. Cornelis; P. de Meester

doi:10.1002/pssa.2210180129

Vacancy versus interstitial migration in the electrical resistivity recovery stages III and IV of molybenum

L. Stals, J. Nihoul, J. Cornelis, P. de Meester

Research output › peer-review

Abstract

An analysis has been made of published data on the electrical resistivity recovery stages III and IV of molybdenum, completed with new results on the influence of various cold work defect populations on the recovery kinetics of stages III and IV. More specifically, the compatibility of the experimental data with various recovery models, i.e. the intersitial model and some variants of the vacancy model for stage III, has been investigated. It is shown that only the interstitial model, implying migration of interstitials in stage III (0.16 T_m) and of vacancies or divacancies in stage IV (0.20 T_m), is compatible with all experimental data. From the relation between the defect concentration and the peak temperature of stage III, a lower limit has been deduced for the mean diameter of the displacement cascade in molybdenum being equal to (20 ± 5) lattice distances.

Original language	English
Pages (from-to)	283-293
Number of pages	11
Journal	physica status solidi (a)
Volume	18
Issue number	1
DOIs	https://doi.org/10.1002/pssa.2210180129
State	Published - 16 Jul 1973

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1002/pssa.2210180129

Cite this

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title = "Vacancy versus interstitial migration in the electrical resistivity recovery stages III and IV of molybenum",

abstract = "An analysis has been made of published data on the electrical resistivity recovery stages III and IV of molybdenum, completed with new results on the influence of various cold work defect populations on the recovery kinetics of stages III and IV. More specifically, the compatibility of the experimental data with various recovery models, i.e. the intersitial model and some variants of the vacancy model for stage III, has been investigated. It is shown that only the interstitial model, implying migration of interstitials in stage III (0.16 Tm) and of vacancies or divacancies in stage IV (0.20 Tm), is compatible with all experimental data. From the relation between the defect concentration and the peak temperature of stage III, a lower limit has been deduced for the mean diameter of the displacement cascade in molybdenum being equal to (20 ± 5) lattice distances.",

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T1 - Vacancy versus interstitial migration in the electrical resistivity recovery stages III and IV of molybenum

AU - Stals, L.

AU - Nihoul, J.

AU - Cornelis, J.

AU - de Meester, P.

PY - 1973/7/16

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N2 - An analysis has been made of published data on the electrical resistivity recovery stages III and IV of molybdenum, completed with new results on the influence of various cold work defect populations on the recovery kinetics of stages III and IV. More specifically, the compatibility of the experimental data with various recovery models, i.e. the intersitial model and some variants of the vacancy model for stage III, has been investigated. It is shown that only the interstitial model, implying migration of interstitials in stage III (0.16 Tm) and of vacancies or divacancies in stage IV (0.20 Tm), is compatible with all experimental data. From the relation between the defect concentration and the peak temperature of stage III, a lower limit has been deduced for the mean diameter of the displacement cascade in molybdenum being equal to (20 ± 5) lattice distances.

AB - An analysis has been made of published data on the electrical resistivity recovery stages III and IV of molybdenum, completed with new results on the influence of various cold work defect populations on the recovery kinetics of stages III and IV. More specifically, the compatibility of the experimental data with various recovery models, i.e. the intersitial model and some variants of the vacancy model for stage III, has been investigated. It is shown that only the interstitial model, implying migration of interstitials in stage III (0.16 Tm) and of vacancies or divacancies in stage IV (0.20 Tm), is compatible with all experimental data. From the relation between the defect concentration and the peak temperature of stage III, a lower limit has been deduced for the mean diameter of the displacement cascade in molybdenum being equal to (20 ± 5) lattice distances.

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