Improvement of the High Fluence Irradiation Facility at the University of Tokyo

This paper reports the modification of the High Fluence Irradiation Facility at the University of Tokyo (HIT). The HIT facility was severely damaged during the 2011 earthquake, which occurred off the Pacific coast of Tohoku. A damaged 1.0MV tandem Cockcroft-Walton accelerator was replaced with a 1.7...

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Published inNuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Vol. 381; pp. 67 - 71
Main Authors Murakami, Kenta, Iwai, Takeo, Abe, Hiroaki, Sekimura, Naoto
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.08.2016
Subjects
Accelerators
Dual beam
Earthquake
Earthquake damage
Fluence
High temperature irradiation
In-situ observation
Ion irradiation
Irradiation
Particle physics
Radiation damage
Repairing
Transmission electron microscopy
Universities
Ion irradiation
Earthquake
Dual beam
High temperature irradiation
In-situ observation
Radiation damage
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Summary:This paper reports the modification of the High Fluence Irradiation Facility at the University of Tokyo (HIT). The HIT facility was severely damaged during the 2011 earthquake, which occurred off the Pacific coast of Tohoku. A damaged 1.0MV tandem Cockcroft-Walton accelerator was replaced with a 1.7MV accelerator, which was formerly used in another campus of the university. A decision was made to maintain dual-beam irradiation capability by repairing the 3.75MV single-ended Van de Graaff accelerator and reconstructing the related beamlines. A new beamline was connected with a 200kV transmission electron microscope (TEM) to perform in-situ TEM observation under ion irradiation.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2016.05.022