Precise Magnetization Measurements by Parallel Self-Compensated Induction Coils in a Vertical Single-Turn Coil up to 103 T
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概要
- 論文の詳細を見る
We have developed a magnetization measurement technique for use in a vertically aligned single-turn coil. Compensation ratios of an order as high as 10^{-4} were achieved by self-compensation in parallel twin-pickup coils without using the electronic compensation circuit mixing of the signal from an auxiliary coil. High performance cryogenics was employed with a liquid Helium container that was also manufactured to fit the system. The high-magnetic-field magnetization measurements were applied to a manganite Bi0.5Ca0.5MnO3 at room temperature, and also to a geometrically frustrated spinel oxide, CdCr2O4 at very low temperatures. Not only the transition field, but also the absolute value of the magnetization was shown to be evaluated within a 3% degree of accuracy in magnetic fields of up to 103 T by means of a 14-mm inner-diameter single-turn coil.
- 2012-01-15
著者
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Tokunaga Masashi
Institute For Solid State Physics University Of Tokyo
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Takeyama Shojiro
Instilute For Solid State Physics University Of Tokyo
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Matsuda Yasuhiro
Institute For Materials Chemistry And Engineering Kyushu University
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Sakakura Ryo
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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Miyata Atsuhiko
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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Takeyama Shojiro
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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Matsuda Yasuhiro
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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