A cylindrical SiC heater for an externally heated diamond anvil cell to 1500 K

Yoshiyuki Okuda; Seiji Kimura; Kenji Ohta; Yohan Park; Tatsuya Wakamatsu; Izumi Mashino; Kei Hirose

doi:10.1063/5.0036551

A cylindrical SiC heater for an externally heated diamond anvil cell to 1500 K

Yoshiyuki Okuda, Seiji Kimura, Kenji Ohta, Yohan Park, Tatsuya Wakamatsu, Izumi Mashino, Kei Hirose

Institute for Planetary Materials

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

Abstract

Semiconductor-based heaters for diamond anvil cells (DACs) have advantages over metal wire heaters in terms of repeated use and the ability to reach higher temperatures. We introduce a cylindrical SiC heater for an externally heated DAC (EHDAC) that works satisfactorily at temperatures up to 1500 K and pressures around 90 GPa. The heater is reusable and inexpensive, and only slight modifications to the DAC are required to fit the heater. Experiments on melting of NaCl and gold are conducted at ambient pressure to test the temperature accuracy of the EHDAC system, and resistance measurements on iodine at high pressures and temperatures are performed to assess the heater assembly. These test runs show that a uniform and accurate temperature can be maintained by the EHDAC assembly, which has potential applications to a variety of transport property measurements.

Original language	English
Article number	015119
Journal	Review of Scientific Instruments
Volume	92
Issue number	1
DOIs	https://doi.org/10.1063/5.0036551
Publication status	Published - Jan 1 2021

ASJC Scopus subject areas

Instrumentation

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10.1063/5.0036551

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abstract = "Semiconductor-based heaters for diamond anvil cells (DACs) have advantages over metal wire heaters in terms of repeated use and the ability to reach higher temperatures. We introduce a cylindrical SiC heater for an externally heated DAC (EHDAC) that works satisfactorily at temperatures up to 1500 K and pressures around 90 GPa. The heater is reusable and inexpensive, and only slight modifications to the DAC are required to fit the heater. Experiments on melting of NaCl and gold are conducted at ambient pressure to test the temperature accuracy of the EHDAC system, and resistance measurements on iodine at high pressures and temperatures are performed to assess the heater assembly. These test runs show that a uniform and accurate temperature can be maintained by the EHDAC assembly, which has potential applications to a variety of transport property measurements. ",

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AU - Okuda, Yoshiyuki

AU - Kimura, Seiji

AU - Ohta, Kenji

AU - Park, Yohan

AU - Wakamatsu, Tatsuya

AU - Mashino, Izumi

AU - Hirose, Kei

PY - 2021/1/1

Y1 - 2021/1/1

N2 - Semiconductor-based heaters for diamond anvil cells (DACs) have advantages over metal wire heaters in terms of repeated use and the ability to reach higher temperatures. We introduce a cylindrical SiC heater for an externally heated DAC (EHDAC) that works satisfactorily at temperatures up to 1500 K and pressures around 90 GPa. The heater is reusable and inexpensive, and only slight modifications to the DAC are required to fit the heater. Experiments on melting of NaCl and gold are conducted at ambient pressure to test the temperature accuracy of the EHDAC system, and resistance measurements on iodine at high pressures and temperatures are performed to assess the heater assembly. These test runs show that a uniform and accurate temperature can be maintained by the EHDAC assembly, which has potential applications to a variety of transport property measurements.

AB - Semiconductor-based heaters for diamond anvil cells (DACs) have advantages over metal wire heaters in terms of repeated use and the ability to reach higher temperatures. We introduce a cylindrical SiC heater for an externally heated DAC (EHDAC) that works satisfactorily at temperatures up to 1500 K and pressures around 90 GPa. The heater is reusable and inexpensive, and only slight modifications to the DAC are required to fit the heater. Experiments on melting of NaCl and gold are conducted at ambient pressure to test the temperature accuracy of the EHDAC system, and resistance measurements on iodine at high pressures and temperatures are performed to assess the heater assembly. These test runs show that a uniform and accurate temperature can be maintained by the EHDAC assembly, which has potential applications to a variety of transport property measurements.

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A cylindrical SiC heater for an externally heated diamond anvil cell to 1500 K

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