2012 Fiscal Year Final Research Report
SQUID-ESR studyof Ising magneto-dielectric material under pressure for the stability of its magnetic structure
Project/Area Number |
22540349
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Condensed matter physics II
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Research Institution | Kobe University |
Principal Investigator |
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Project Period (FY) |
2010 – 2012
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Keywords | 磁化検出型 ESR / SQUID 磁束計 / 圧力 / 磁気強誘電体 / 磁気異方性 |
Research Abstract |
The magnetization detection type ESR technique using a commercial SQUID magnetometer has been developed. It has characteristics that ESR measurement can be done very easily and the macroscopic magnetization measurement can be done simultaneously. Moreover, we have performed the SQUID-ESR measurement under pressure successfully by using an electromagnetic wave transmission typepressure cell. In this system the popular pressure calibration method which uses the pressure dependence of the superconducting transition temperature of tin can be applicable. For Ising type magneto-dielectric material Ca_3CoMnO_6, the detailed information about the magnetic anisotropy of the system was obtained from its antiferromagnetic resonance at ambient pressure.
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[Journal Article] Development of high-pressure, high-field and multi-frequency ESR apparatus and its application to quantum spin system2010
Author(s)
T. Sakurai, T. Horie, M. Tomoo, K. Kondo, N. Matsumi, S. Okubo, H. Ohta, Y. Uwatoko, K. Kudo, Y. Koike, H. Tanaka
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Journal Title
J. Phys.: Conf. Ser
Volume: 215
Pages: 012184/1-4
DOI
Peer Reviewed
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[Presentation]2011
Author(s)
櫻井敬博、藤本皓大、後藤亮二、大久保晋、太田仁
Organizer
日本物理学会年次大会 2011年秋季大会
Place of Presentation
富山
Year and Date
20110921-24
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[Presentation] High-field ESR Using SQUID Magnetometer2010
Author(s)
T. Sakurai, T. Naoki, S. Okubo and H.Ohta
Organizer
The 19th International Conference on the Application of High Magnetic Fields in Semiconductor Physics and Nanotechnology
Place of Presentation
Fukuoka
Year and Date
20100802-05