Development of a measurement system of physical properties under multiple extreme conditions utilizing tunnel-diode-oscillator circuit
Project/Area Number |
15K05171
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Condensed matter physics II
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Research Institution | Osaka University |
Principal Investigator |
Kida Takanori 大阪大学, 理学研究科, 助教 (50452412)
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Project Period (FY) |
2015-04-01 – 2018-03-31
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Project Status |
Completed (Fiscal Year 2017)
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Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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Keywords | 多重極限環境 / パルス強磁場 / トンネルダイオード振動法 / 鉄系超伝導体 / 強相関電子系 |
Outline of Final Research Achievements |
Radio frequency (rf) techniques are quite useful in transport measurements under high pressure due to the contactless configuration of a compact searching coil and the extremely high sensitivity. In the present study, we have developed a contactless conductivity measurement apparatus utilizing an rf oscillator under high pressure and high magnetic fields. High pressures of up to 6 GPa are generated with a diamond anvil cell (DAC) made of Ni-Cr-Al alloys. Utilizing this apparatus, we measured the frequency change to determine the upper critical fields (Hc2) of Fe(Te,Se). At ambient pressure, Hc2 for H || c of FeTe0.6Se0.4 was almost linear against T near Tc (~ 14 K) and was suppressed at low temperatures compared to the conventional one-band the WHH prediction. Under high pressure, suppression of the Hc2 at low temperatures became more pronounced. However, we found that the effect of the eddy current heating from the gasket cannot be negligible during field descending process.
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Report
(4 results)
Research Products
(60 results)
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[Journal Article] Magnetic solitons and magnetic phase diagram of the hexagonal chiral crystal CrNb3S6 in oblique magnetic fields by high field ESR2017
Author(s)
Jun-ichiro Yonemura, Yusuke Shimamoto, Takanori Kida, Daichi Yoshizawa, Yusuke Kousaka, Sadafumi Nishihara, Francisco Jose Trindade Goncalves, Jun Akimitsu, Katsuya Inoue, Masayuki Hagiwara, and Yoshihiko Togawa
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Journal Title
Phys. Rev. B
Volume: 96
Issue: 18
Pages: 184423-184423
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Presentation] Giant magnetoresistive effects in antiferomagnetic semiconductors BaMn2 Pn2 (Pn= As, Sb, Bi)2018
Author(s)
K. Huynh, T. Ogasawara, K. Kitahara, T. Aoyama, K. Ohgushi, T. Tahara, T. Kida, M. Hagiwara, and K. Tanigaki
Organizer
APS March Meeting 2018
Related Report
Int'l Joint Research
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[Presentation] スピングラスを示すEuCu2Si2 単結晶におけるホール効果2018
Author(s)
竹内徹也, 谷口年史, 芳賀芳範, 中島美帆, 天児寧, 田原大夢, 木田孝則, 萩原政幸, 安次富洋介, 屋良朝之, 伊覇航, 辺土正人, 仲間隆男, 大貫惇睦
Organizer
日本物理学会第73回年次大会
Related Report
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[Presentation] Magnetotransport properties under high magnetic fields of BaMn2Pn2 antiferromagnets (Pn = As, Sb, Bi)2018
Author(s)
K.-K. Huynh, K. Kitahara, T. Ogasawara, T. Aoyama, K. Ogushi, T. Tahara, T. Kida, M. Hagiwara, and K. Tanigaki
Organizer
日本物理学会第73回年次大会
Related Report
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[Presentation] 結晶EuPt2Si2の近藤効果的振る舞い2017
Author(s)
竹内徹也, 中島美帆, 田原大夢, 木田孝則, 萩原政幸, 安次富洋介, 屋良朝之, 辺土正人, 仲間隆男, 大貫惇睦
Organizer
日本物理学会第72回年次大会
Place of Presentation
大阪大学
Year and Date
2017-03-17
Related Report
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[Presentation] EuCu2(Ge1-xSix)2単結晶の電子状態2017
Author(s)
大貫惇睦, 屋良朝之, 安次富洋介, 伊覇航, 本多史憲, 仲村愛, 青木大, 中島美帆, 天児寧, 竹内徹也, 木田孝則, 萩原政幸, 辺土正人, 仲間隆男
Organizer
日本物理学会第72回年次大会
Place of Presentation
大阪大学
Year and Date
2017-03-17
Related Report
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[Presentation] 純良単結晶FeSnの電子状態の研究2017
Author(s)
垣花将司, 西村健吾, 中島美帆, 天児寧, 仲村愛, 青木大, 竹内徹也, 木田孝則, 萩原政幸, 播磨尚朝, 内間清晴, 辺土正人, 仲間隆男, 大貫惇睦
Organizer
日本物理学会第72回年次大会
Place of Presentation
大阪大学
Year and Date
2017-03-17
Related Report
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[Presentation] EuCo2Ge2の磁性と圧力効果2016
Author(s)
大貫惇睦, 安次富洋介, 本多史憲, 上床美也, 中島美帆, 天児寧, 竹内徹也, 木田孝則, 萩原政幸, 辺土正人, 仲間隆男
Organizer
日本物理学会2016年秋季大会
Place of Presentation
金沢大学
Year and Date
2016-09-13
Related Report
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[Presentation] High-Field Magnetization and Magnetoresistance in the Molecular Conductor TPP[Cr(Pc)(CN)2]22016
Author(s)
Time Tahara, Mitsuo Ikeda, Ryuta Ishii, Takanori Kida, Hiroshi Murakawa, Miki Nishi, Masaki Matsuda, Tamotsu Inabe, Noriaki Hanasaki, Masayuki Hagiwara
Organizer
The 15th International Conference on Molecule-Based Magnets (ICMM2016)
Place of Presentation
Sendai International Center (Sendai, Japan)
Year and Date
2016-09-04
Related Report
Int'l Joint Research
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[Presentation] PrPt2Cd20の強磁場磁化II2016
Author(s)
広瀬雄介, 土塔寛, 摂待力生, 竹内徹也, 本多史憲, 芳賀芳範, 三宅厚志, 徳永将史, 吉澤大智, 木田孝則, 萩原政幸
Organizer
日本物理学会第71回年次大会
Place of Presentation
東北学院大学
Year and Date
2016-03-19
Related Report
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