| Project/Area Number |
12555172
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 展開研究 |
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| Research Field |
Physical properties of metals
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| Research Institution | Shimane University |
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Principal Investigator |
YAMADA Yuh Shimane University, Interdisciplinary Faculty of Science and Engineering, 総合理工学部, 助教授 (10242835)
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| Co-Investigator(Kenkyū-buntansha) |
TOGITANI Masaichirou IWATANI Corporation, Chief of a section, 設計担当・課長(研究職)
NISHIGORI Shijo Shimane University, Instrumental Analysis Center, 機器分析センター, 助教授 (50273917)
岡 徹雄 イムラ材料開発研究所, 第21研究開発部, 室長(研究職)
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| Project Period (FY) |
2000 – 2002
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| Project Status |
Completed (Fiscal Year 2002)
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| Budget Amount *help |
¥12,100,000 (Direct Cost: ¥12,100,000)
Fiscal Year 2002: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 2001: ¥3,200,000 (Direct Cost: ¥3,200,000)
Fiscal Year 2000: ¥6,900,000 (Direct Cost: ¥6,900,000)
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| Keywords | The 1K cryogenic refrigerator / Jule-Tomson effects / Low temperature specific heat / ^3He gas |
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| Research Abstract |
We have investigated the low temperature specific heat implement under high pressure using by the Liquid-Helium free 1K cryogenic refrigerator. The results are explained in the following.
(1) We have successfully developed the new ^3He circulation-type GM-JT 1K cryogenic refrigerator which was carried out the lowest arrival temperature of 0.67K and lowest temperature arrival time of 12 hours. The operation of this refrigerator is very simple and easy. We think that this refrigerator was a very useful device for the researcher of solid physics, saled as a product from the IWATANI CO.
(2) We fabricated the new miniature pressure cell made by NiCrAl alloy. This pressure cell attained the highest pressure 4GPa.
(3) We estimated the new technique of low temperature specific heat measurements using by thermal relaxation under high pressure. This technique was confirmed dominant method of low temperature specific heat measurements under high pressure.
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