Boron-doped diamond heater and its application to large-volume, high-pressure, and high-temperature experiments

Anton Shatskiy, Daisuke Yamazaki, Guillaume Morard, Titus Cooray, Takuya Matsuzaki, Yuji Higo, Ken Ichi Funakoshi, Hitoshi Sumiya, Eiji Ito, Tomoo Katsura

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

A temperature of 3500 °C was generated using a diamond resistance heater in a large-volume Kawai-type high-pressure apparatus. Re and LaCrO3 have conventionally been used for heaters in high-pressure studies but they cannot generate temperatures higher than 2900 °C and make in situ x-ray observations difficult due to their high x-ray absorption. Using a boron-doped diamond heater overcomes these problems and achieves stable temperature generation for pressure over 10 GPa. The heater starting material is a cold-compressed mixture of graphite with boron used to avoid the manufacturing difficulties due to the extreme hardness of diamond. The diamond heater was synthesized in situ from the boron-graphite mixture at temperature of 1600±100 °C and pressure of 20 GPa. By using the proposed technique, we have employed the diamond heater for high-temperature generation in a large-volume high-pressure apparatus. Achievement of temperatures above 3000 °C allows us to measure the melting points of the important constituents in earth's mantle (MgSiO3, SiO2, and Al2 O3) and core (Fe and Ni) at extremely high pressures.

Original languageEnglish
Article number023907
JournalReview of Scientific Instruments
Volume80
Issue number2
DOIs
Publication statusPublished - 2009

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heaters
Boron
Diamonds
boron
diamonds
Experiments
Temperature
Graphite
graphite
X rays
temperature
x ray absorption
melting points
Melting point
Earth mantle
hardness
manufacturing
Earth (planet)
Hardness
x rays

ASJC Scopus subject areas

  • Instrumentation

Cite this

Boron-doped diamond heater and its application to large-volume, high-pressure, and high-temperature experiments. / Shatskiy, Anton; Yamazaki, Daisuke; Morard, Guillaume; Cooray, Titus; Matsuzaki, Takuya; Higo, Yuji; Funakoshi, Ken Ichi; Sumiya, Hitoshi; Ito, Eiji; Katsura, Tomoo.

In: Review of Scientific Instruments, Vol. 80, No. 2, 023907, 2009.

Research output: Contribution to journalArticle

Shatskiy, A, Yamazaki, D, Morard, G, Cooray, T, Matsuzaki, T, Higo, Y, Funakoshi, KI, Sumiya, H, Ito, E & Katsura, T 2009, 'Boron-doped diamond heater and its application to large-volume, high-pressure, and high-temperature experiments', Review of Scientific Instruments, vol. 80, no. 2, 023907. https://doi.org/10.1063/1.3084209
Shatskiy, Anton ; Yamazaki, Daisuke ; Morard, Guillaume ; Cooray, Titus ; Matsuzaki, Takuya ; Higo, Yuji ; Funakoshi, Ken Ichi ; Sumiya, Hitoshi ; Ito, Eiji ; Katsura, Tomoo. / Boron-doped diamond heater and its application to large-volume, high-pressure, and high-temperature experiments. In: Review of Scientific Instruments. 2009 ; Vol. 80, No. 2.
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