High field ESR measurements under pressure

Takahiro Sakujrai, Masayoshi Saruhashi, Tomoya Hirano, Yuji Inagaki, Susumu Okubo, Takashi Kunimoto, Hitoshi Ohta, Hidekazu Tanaka, Yoshiya Uwatoko

研究成果: ジャーナルへの寄稿記事

14 引用 (Scopus)

抄録

We have developed a low-temperature ESR system under pressure, which has the frequency region above 70 GHz, the pulsed magnetic field up to 16 T and the pressure region up to about 3.5 kbar. A suitable pressure-calibration method using the change of the ESR of ruby under pressure has been also developed. We can determine the pressure and observe ESR signals of a sample at the same time. The high-field ESR measurements with the pulsed magnetic field up to 16 T have been performed on triangular antiferromagnet CsCuCl3 for H∏c around 6 K at 1 bar and at 3.1 ± 0.6 kbar in the frequency region from 120 GHz to 370 GHz. We observed the increase of the phase transition field from the umbrella-type configuration to the coplanar configuration due to the quantum fluctuation and the increase of the antiferromagnetic gap under pressure. The possible origin of this increase of the phase transition field was discussed in connection with the recent magnetization measurements under pressure.

元の言語英語
ページ(範囲)156-161
ページ数6
ジャーナルJournal of the Physical Society of Japan
72
発行部数SUPPL. B
出版物ステータス出版済み - 2003
外部発表Yes

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ruby
configurations
magnetic fields
magnetization

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Sakujrai, T., Saruhashi, M., Hirano, T., Inagaki, Y., Okubo, S., Kunimoto, T., ... Uwatoko, Y. (2003). High field ESR measurements under pressure. Journal of the Physical Society of Japan, 72(SUPPL. B), 156-161.

High field ESR measurements under pressure. / Sakujrai, Takahiro; Saruhashi, Masayoshi; Hirano, Tomoya; Inagaki, Yuji; Okubo, Susumu; Kunimoto, Takashi; Ohta, Hitoshi; Tanaka, Hidekazu; Uwatoko, Yoshiya.

:: Journal of the Physical Society of Japan, 巻 72, 番号 SUPPL. B, 2003, p. 156-161.

研究成果: ジャーナルへの寄稿記事

Sakujrai, T, Saruhashi, M, Hirano, T, Inagaki, Y, Okubo, S, Kunimoto, T, Ohta, H, Tanaka, H & Uwatoko, Y 2003, 'High field ESR measurements under pressure', Journal of the Physical Society of Japan, 巻. 72, 番号 SUPPL. B, pp. 156-161.
Sakujrai T, Saruhashi M, Hirano T, Inagaki Y, Okubo S, Kunimoto T その他. High field ESR measurements under pressure. Journal of the Physical Society of Japan. 2003;72(SUPPL. B):156-161.
Sakujrai, Takahiro ; Saruhashi, Masayoshi ; Hirano, Tomoya ; Inagaki, Yuji ; Okubo, Susumu ; Kunimoto, Takashi ; Ohta, Hitoshi ; Tanaka, Hidekazu ; Uwatoko, Yoshiya. / High field ESR measurements under pressure. :: Journal of the Physical Society of Japan. 2003 ; 巻 72, 番号 SUPPL. B. pp. 156-161.
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AU - Sakujrai, Takahiro

AU - Saruhashi, Masayoshi

AU - Hirano, Tomoya

AU - Inagaki, Yuji

AU - Okubo, Susumu

AU - Kunimoto, Takashi

AU - Ohta, Hitoshi

AU - Tanaka, Hidekazu

AU - Uwatoko, Yoshiya

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AB - We have developed a low-temperature ESR system under pressure, which has the frequency region above 70 GHz, the pulsed magnetic field up to 16 T and the pressure region up to about 3.5 kbar. A suitable pressure-calibration method using the change of the ESR of ruby under pressure has been also developed. We can determine the pressure and observe ESR signals of a sample at the same time. The high-field ESR measurements with the pulsed magnetic field up to 16 T have been performed on triangular antiferromagnet CsCuCl3 for H∏c around 6 K at 1 bar and at 3.1 ± 0.6 kbar in the frequency region from 120 GHz to 370 GHz. We observed the increase of the phase transition field from the umbrella-type configuration to the coplanar configuration due to the quantum fluctuation and the increase of the antiferromagnetic gap under pressure. The possible origin of this increase of the phase transition field was discussed in connection with the recent magnetization measurements under pressure.

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