Field ion microscope observations of voids in neutron irradiated molybdenum

S. S. Brenner; D. N. Seidman

doi:10.1080/00337577508240789

Field ion microscope observations of voids in neutron irradiated molybdenum

S. S. Brenner^*, D. N. Seidman

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

The voids forming a three dimensional lattice in a molybdenum specimen irradiated at 550°C to a fast neutron fluence of approximately 1x10²²ncm^-2 were investigated for the first time by the field ion microscope (FIM) technique. The numerical values obtained for the mean void diameter, the number density, and mean spacing are in approximate agreement with transmission electron microscope observations. Controlled field evaporation sequences through 16 voids revealed complex atomic displacements around each void much of which is a result of the void intersecting the surface. The advantages of the FIM technique for the study of high number densities (>5x10¹⁷cm^-3) of voids are discussed and the potentialities of the FIM atom probe for the solution of problems concerning the nucleation and stabilization of voids are also considered.

Original language	English (US)
Pages (from-to)	73-78
Number of pages	6
Journal	Radiation Effects
Volume	24
Issue number	2
DOIs	https://doi.org/10.1080/00337577508240789
State	Published - 1975

ASJC Scopus subject areas

Engineering(all)

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10.1080/00337577508240789

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@article{040df1ec90ee47e98a6df38e149fd739,

title = "Field ion microscope observations of voids in neutron irradiated molybdenum",

abstract = "The voids forming a three dimensional lattice in a molybdenum specimen irradiated at 550°C to a fast neutron fluence of approximately 1x1022ncm-2 were investigated for the first time by the field ion microscope (FIM) technique. The numerical values obtained for the mean void diameter, the number density, and mean spacing are in approximate agreement with transmission electron microscope observations. Controlled field evaporation sequences through 16 voids revealed complex atomic displacements around each void much of which is a result of the void intersecting the surface. The advantages of the FIM technique for the study of high number densities (>5x1017cm-3) of voids are discussed and the potentialities of the FIM atom probe for the solution of problems concerning the nucleation and stabilization of voids are also considered.",

author = "Brenner, {S. S.} and Seidman, {D. N.}",

note = "Funding Information: We thank Dr. Frank Garner of Westinghouse Corporation, Hanford and Prof. John Moteff of University of Cincinnati for supplying us with the irradiated molybdenum specimen, and Dr. R. A. Oriani of United States Steel Corporation Research Laboratory for helpful comments. One of us (D.N.S.) also thanks the United States Atomic Energy Cornmision for support funds and the National Sciencc Foundation through the Materials Science Center at Cornell University for technical facilities.",

year = "1975",

doi = "10.1080/00337577508240789",

language = "English (US)",

volume = "24",

pages = "73--78",

journal = "Radiation Effects and Defects in Solids",

issn = "1042-0150",

publisher = "Taylor and Francis Ltd.",

number = "2",

}

TY - JOUR

T1 - Field ion microscope observations of voids in neutron irradiated molybdenum

AU - Brenner, S. S.

AU - Seidman, D. N.

N1 - Funding Information: We thank Dr. Frank Garner of Westinghouse Corporation, Hanford and Prof. John Moteff of University of Cincinnati for supplying us with the irradiated molybdenum specimen, and Dr. R. A. Oriani of United States Steel Corporation Research Laboratory for helpful comments. One of us (D.N.S.) also thanks the United States Atomic Energy Cornmision for support funds and the National Sciencc Foundation through the Materials Science Center at Cornell University for technical facilities.

PY - 1975

Y1 - 1975

N2 - The voids forming a three dimensional lattice in a molybdenum specimen irradiated at 550°C to a fast neutron fluence of approximately 1x1022ncm-2 were investigated for the first time by the field ion microscope (FIM) technique. The numerical values obtained for the mean void diameter, the number density, and mean spacing are in approximate agreement with transmission electron microscope observations. Controlled field evaporation sequences through 16 voids revealed complex atomic displacements around each void much of which is a result of the void intersecting the surface. The advantages of the FIM technique for the study of high number densities (>5x1017cm-3) of voids are discussed and the potentialities of the FIM atom probe for the solution of problems concerning the nucleation and stabilization of voids are also considered.

AB - The voids forming a three dimensional lattice in a molybdenum specimen irradiated at 550°C to a fast neutron fluence of approximately 1x1022ncm-2 were investigated for the first time by the field ion microscope (FIM) technique. The numerical values obtained for the mean void diameter, the number density, and mean spacing are in approximate agreement with transmission electron microscope observations. Controlled field evaporation sequences through 16 voids revealed complex atomic displacements around each void much of which is a result of the void intersecting the surface. The advantages of the FIM technique for the study of high number densities (>5x1017cm-3) of voids are discussed and the potentialities of the FIM atom probe for the solution of problems concerning the nucleation and stabilization of voids are also considered.

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DO - 10.1080/00337577508240789

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JO - Radiation Effects and Defects in Solids

JF - Radiation Effects and Defects in Solids

IS - 2

ER -

Field ion microscope observations of voids in neutron irradiated molybdenum

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