Near-infrared focused heating method for the rotational diamond anvil cell

We developed a near-infrared focused heating system (IRrDAC) for deformation experiments using a rotational diamond anvil cell. This study reports the results of annealing tests on silver and antigorite conducted at SPring-8 (BL47XU) using the IRrDAC system. The experimental results demonstrated the...

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Bibliographic Details
Published in:Review of scientific instruments 2024-07, Vol.95 (7)
Main Authors: Azuma, Shintaro, Okazaki, Keishi, Uesugi, Kentaro, Yasutake, Masahiro, Natsui, Bunrin, Jayawickrama, Eranga, Ishimori, Keiya, Okuda, Yoshiyuki, Park, Yohan, Nomura, Ryuichi
Format: Article
Language:English
Subjects:
Anvils
Deformation
Dehydration
Diamond anvil cells
Earth mantle
Earth rotation
Infrared heating
Rheological properties
Rheology
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Summary:We developed a near-infrared focused heating system (IRrDAC) for deformation experiments using a rotational diamond anvil cell. This study reports the results of annealing tests on silver and antigorite conducted at SPring-8 (BL47XU) using the IRrDAC system. The experimental results demonstrated the melting of silver and the dehydration of antigorite, confirming the capability of this system. The reproducible relationships between temperature and input power were also confirmed. The IRrDAC system enables deformation experiments at pressures equivalent to those of the lower mantle under homogeneous and stable temperatures and is expected to contribute to the understanding of deep Earth rheology.
ISSN:0034-6748
1089-7623
1089-7623
DOI:10.1063/5.0202913