Boron-doped diamond as a new heating element for internal-resistive heated diamond-anvil cell

Haruka Ozawa, Shigehiko Tateno, Longjian Xie, Yoichi Nakajima, Naoya Sakamoto, Saori I. Kawaguchi, Akira Yoneda, Naohisa Hirao

Research output: Contribution to journalArticle

Abstract

We have developed an internal-resistive heated diamond-anvil cell (IHDAC) with a new resistance heater–boron-doped diamond (BDD)–along with an optimized design of the cell assembly, including a composite gasket. Our proposed technique is capable of heating a silicate/oxide material with (1) long-term stability (>1 h at 2500 K) and (2) uniform radial temperature distribution (±35 K at 2500 K across a 40-µm area), which are clear advantages over the conventional laser-heated and internal-heated DACs. In addition, the achieved temperature in this study was greater than 3500 K, which mostly covers the possible geotherm of the entire lower mantle. In situ X-ray diffraction (XRD) measurement and ex situ chemical analyses confirmed that weak XRD intensity from the BDD heater and chemical inertness (no boron diffusion into silicate samples). This newly developed IHDAC with a BDD heater can be used to determine the phase diagrams of mantle materials with high precision and be used in lower-mantle petrology.

Original languageEnglish
Pages (from-to)120-135
Number of pages16
JournalHigh Pressure Research
Volume38
Issue number2
DOIs
Publication statusPublished - Apr 3 2018

Fingerprint

anvils
Earth mantle
boron
diamonds
heaters
heating
silicates
cells
petrology
diffraction
temperature distribution
x rays
assembly
phase diagrams
composite materials
oxides
lasers
temperature

Keywords

  • boron-doped diamond
  • Internal-resistive heated diamond-anvil cell
  • lower mantle

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Ozawa, H., Tateno, S., Xie, L., Nakajima, Y., Sakamoto, N., Kawaguchi, S. I., ... Hirao, N. (2018). Boron-doped diamond as a new heating element for internal-resistive heated diamond-anvil cell. High Pressure Research, 38(2), 120-135. https://doi.org/10.1080/08957959.2018.1441407

Boron-doped diamond as a new heating element for internal-resistive heated diamond-anvil cell. / Ozawa, Haruka; Tateno, Shigehiko; Xie, Longjian; Nakajima, Yoichi; Sakamoto, Naoya; Kawaguchi, Saori I.; Yoneda, Akira; Hirao, Naohisa.

In: High Pressure Research, Vol. 38, No. 2, 03.04.2018, p. 120-135.

Research output: Contribution to journalArticle

Ozawa, H, Tateno, S, Xie, L, Nakajima, Y, Sakamoto, N, Kawaguchi, SI, Yoneda, A & Hirao, N 2018, 'Boron-doped diamond as a new heating element for internal-resistive heated diamond-anvil cell', High Pressure Research, vol. 38, no. 2, pp. 120-135. https://doi.org/10.1080/08957959.2018.1441407
Ozawa, Haruka ; Tateno, Shigehiko ; Xie, Longjian ; Nakajima, Yoichi ; Sakamoto, Naoya ; Kawaguchi, Saori I. ; Yoneda, Akira ; Hirao, Naohisa. / Boron-doped diamond as a new heating element for internal-resistive heated diamond-anvil cell. In: High Pressure Research. 2018 ; Vol. 38, No. 2. pp. 120-135.
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