Cobalt and silver nanocoatings for reactor dosimetry

Research output: Contribution to journalArticlepeer-review

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Cobalt and silver nanocoatings for reactor dosimetry. / Vande Pitte, Jonas; Wagemans, Jan; Goussarov, Andrei; Uytdenhouwen, Inge; Johan, Lauwaert; Detavernier, Christophe.

In: Applied Radiation and Isotopes, Vol. 176, 109836, 20.06.2021, p. 1-8.

Research output: Contribution to journalArticlepeer-review

Harvard

Vande Pitte, J, Wagemans, J, Goussarov, A, Uytdenhouwen, I, Johan, L & Detavernier, C 2021, 'Cobalt and silver nanocoatings for reactor dosimetry', Applied Radiation and Isotopes, vol. 176, 109836, pp. 1-8. https://doi.org/10.1016/j.apradiso.2021.109836

APA

Vande Pitte, J., Wagemans, J., Goussarov, A., Uytdenhouwen, I., Johan, L., & Detavernier, C. (2021). Cobalt and silver nanocoatings for reactor dosimetry. Applied Radiation and Isotopes, 176, 1-8. [109836]. https://doi.org/10.1016/j.apradiso.2021.109836

Vancouver

Vande Pitte J, Wagemans J, Goussarov A, Uytdenhouwen I, Johan L, Detavernier C. Cobalt and silver nanocoatings for reactor dosimetry. Applied Radiation and Isotopes. 2021 Jun 20;176:1-8. 109836. https://doi.org/10.1016/j.apradiso.2021.109836

Author

Vande Pitte, Jonas ; Wagemans, Jan ; Goussarov, Andrei ; Uytdenhouwen, Inge ; Johan, Lauwaert ; Detavernier, Christophe. / Cobalt and silver nanocoatings for reactor dosimetry. In: Applied Radiation and Isotopes. 2021 ; Vol. 176. pp. 1-8.

Bibtex - Download

@article{ab47fba8985244b2834568b8f14c4da2,
title = "Cobalt and silver nanocoatings for reactor dosimetry",
abstract = "Activation foils are an important tool for the characterization of neutron fields. Some of the materials that are used in these foils have large interaction cross-sections that cause unwanted self-shielding effects. In practice experimenters minimize these effects by using aluminium alloys. An alternative approach can be a nanocoating of a pure material on a carrier. The validity of this approach is investigated in this work. Nanocoatings can be more flexible compared to alloys and can probably reduce the number of required post-irradiation gamma spectrometry measurements. Cobalt and silver nanocoatings were deposited by physical vapour deposition on nickel and aluminium carrier foils. The nanocoatings were tested in two irradiation campaigns in the Belgian Reactor 1 at SCK CEN. By depositing nanocoatings with different thickness and determining the corresponding number of activated atoms the inherent flexibility of the technique is demonstrated. When the dosimeters were punched from the carrier foils, the metal cylindrical punch damaged the nanocoatings which increased the spread on the number of atoms between different dosimeters. This is prevented by including a Ti interlayer of 5 nm between the carrier and the cobalt and silver layers. It was shown that this results in a coating with good homogeneity or minimal spread. This study shows that applying nanocoatings on a carrier is a valid technique to make dosimeters.",
keywords = "Reactor dosimetry, Neutron activation, Cobalt, Silver, Physical vapor deposition, Nanocoating",
author = "{Vande Pitte}, Jonas and Jan Wagemans and Andrei Goussarov and Inge Uytdenhouwen and Lauwaert Johan and Christophe Detavernier",
note = "Score=10",
year = "2021",
month = jun,
day = "20",
doi = "10.1016/j.apradiso.2021.109836",
language = "English",
volume = "176",
pages = "1--8",
journal = "Applied Radiation and Isotopes",
issn = "0969-8043",
publisher = "Elsevier",

}

RIS - Download

TY - JOUR

T1 - Cobalt and silver nanocoatings for reactor dosimetry

AU - Vande Pitte, Jonas

AU - Wagemans, Jan

AU - Goussarov, Andrei

AU - Uytdenhouwen, Inge

AU - Johan, Lauwaert

AU - Detavernier, Christophe

N1 - Score=10

PY - 2021/6/20

Y1 - 2021/6/20

N2 - Activation foils are an important tool for the characterization of neutron fields. Some of the materials that are used in these foils have large interaction cross-sections that cause unwanted self-shielding effects. In practice experimenters minimize these effects by using aluminium alloys. An alternative approach can be a nanocoating of a pure material on a carrier. The validity of this approach is investigated in this work. Nanocoatings can be more flexible compared to alloys and can probably reduce the number of required post-irradiation gamma spectrometry measurements. Cobalt and silver nanocoatings were deposited by physical vapour deposition on nickel and aluminium carrier foils. The nanocoatings were tested in two irradiation campaigns in the Belgian Reactor 1 at SCK CEN. By depositing nanocoatings with different thickness and determining the corresponding number of activated atoms the inherent flexibility of the technique is demonstrated. When the dosimeters were punched from the carrier foils, the metal cylindrical punch damaged the nanocoatings which increased the spread on the number of atoms between different dosimeters. This is prevented by including a Ti interlayer of 5 nm between the carrier and the cobalt and silver layers. It was shown that this results in a coating with good homogeneity or minimal spread. This study shows that applying nanocoatings on a carrier is a valid technique to make dosimeters.

AB - Activation foils are an important tool for the characterization of neutron fields. Some of the materials that are used in these foils have large interaction cross-sections that cause unwanted self-shielding effects. In practice experimenters minimize these effects by using aluminium alloys. An alternative approach can be a nanocoating of a pure material on a carrier. The validity of this approach is investigated in this work. Nanocoatings can be more flexible compared to alloys and can probably reduce the number of required post-irradiation gamma spectrometry measurements. Cobalt and silver nanocoatings were deposited by physical vapour deposition on nickel and aluminium carrier foils. The nanocoatings were tested in two irradiation campaigns in the Belgian Reactor 1 at SCK CEN. By depositing nanocoatings with different thickness and determining the corresponding number of activated atoms the inherent flexibility of the technique is demonstrated. When the dosimeters were punched from the carrier foils, the metal cylindrical punch damaged the nanocoatings which increased the spread on the number of atoms between different dosimeters. This is prevented by including a Ti interlayer of 5 nm between the carrier and the cobalt and silver layers. It was shown that this results in a coating with good homogeneity or minimal spread. This study shows that applying nanocoatings on a carrier is a valid technique to make dosimeters.

KW - Reactor dosimetry

KW - Neutron activation

KW - Cobalt

KW - Silver

KW - Physical vapor deposition

KW - Nanocoating

UR - https://ecm.sckcen.be/OTCS/llisapi.dll?func=ll&objId=46205394&objAction=download

U2 - 10.1016/j.apradiso.2021.109836

DO - 10.1016/j.apradiso.2021.109836

M3 - Article

VL - 176

SP - 1

EP - 8

JO - Applied Radiation and Isotopes

JF - Applied Radiation and Isotopes

SN - 0969-8043

M1 - 109836

ER -

ID: 7220879