Fabrication of a Miniature Cubic-Anvil Pressure Cell and Evaluation of the Hydrostaticity

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Other Title
  • 小型キュービックアンビル圧力セルの開発と静水圧性の評価
  • コガタ キュービックアンビル アツリョク セル ノ カイハツ ト セイスイアツセイ ノ ヒョウカ

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Abstract

<p>A miniature cubic-anvil pressure cell having an outer diameter of 60 mm, the smallest cubic-anvil cell to date, was fabricated to insert in a large-bore superconducting magnet. The pressure cell has a sample space of ϕ2.5×1.5 mm, which is fairly large for a pressure cell that can reach a high pressure above 4 GPa. Pressure homogeneity was monitored from the 63Cu nuclear-quadrupole-resonance linewidth of Cu2O up to 6.7 GPa. The linewidth first increased with increasing pressure up to 4 GPa and then saturated above 4 GPa. The pressure homogeneity was better than that of a piston–cylinder pressure cell. This newly developed pressure cell is advantageous because a large sample space and high pressure homogeneity are secured even at high pressures.</p>

Journal

  • Butsuri

    Butsuri 76 (5), 295-301, 2021-05-05

    The Physical Society of Japan

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