2002 Fiscal Year Final Research Report Summary
The development of the low temperature specific heat implement under high pressure using by the Liquid-Helium free type 1K cryogenic refrigerator
| 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)
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| Project Period (FY) |
2000 – 2002
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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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[Publications] T,Mizokawa, C,Kim., Z-X.Shen., A,Ino., T,Yoshida., A,Fujimori., M,Goto., H,Eisaki., S,Uchida., M,Tagami., K,Yoshida., A.I.Rykov., Y,Siohara., K,Tomimoto., S,Tajima., Yuhm,Yamada., S,Horii., N,Yamada., Yasuji Yamada., I,Hirabayashi.: "Angle-resolved photoemission study of PrBa_2Cu_3O_7 and PrBa_2Cu_4O_8"Advances in Superconductivity XII. 173-175 (2000)
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「研究成果報告書概要(欧文)」より
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[Publications] S,Horii., U,Mizutani., H,Ikuta., Y,Yamada., J.H.Ye., A,Matsushita., N.E.Hussey., H,Takagi., I,Hirabayashi.: "Growth and anisotropic resistivity of Pr124 and Pr247 single crystals: A direct probe of metallic Cu-O double chains"Phys. Rev.B. 61. 6327-6333 (2000)
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「研究成果報告書概要(欧文)」より
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[Publications] T,Mizokawa., A,Ino., T,Yoshida., A,Fujimori., C,Kim., H,Eisaki., Z-X.Shen., S,Horii., T,Kakeshita., S,Uchida., K,Tomimoto., S,Tajima., Y,Yamada.: "ARPES study of LSCO and PBCO: Electronic structure of the stripe phase and the 1/4-filled Cu-O chains"International Journal of Modern Physics B. 14. 3602-3609 (2000)
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[Publications] T,Mizokawa., C,Kim., Z-X.Shen., A,Ino., T,Yoshide., A,Fujimori., M,Goto., H,Eisaku., S,Uchida., M,Tagami., K,Yoshida., A.I.Rykov., Y,Siohara., K,Tomimoto., S,Tajima., Yuh Yamada., S,Horii., N,Yamada., Yasuji Yamada., I,Hirabayashi.: "Angle-resolved photoemission study of insulating and metallic Cu-O chains in PrBa_2Cu_3O_7 and PrBa_2Cu_4O_8"Phys. Rev. Lett.. 85. 4779-4782 (2000)
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[Publications] T,Kishi., K,Suzuki., D,Serita., S,Kudo., Y,Yamada., T,Ohba.: "Structure of epitaxial BiPbSrCuO films grown at low temperatures"Physica C. 357-360. 1394-1398 (2001)
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「研究成果報告書概要(欧文)」より
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[Publications] A,Matsushita., T,Naka, Y,Takano., T,Takeuchi., T,Shishido., Y,Yamada.: "Pseudogap and transport properties in Fe_<3_x>V_xAl_y (x = 0.5-1.05; y = 0.95, 1.05)"Phys. Rev. B. 65. 75204, 1-75204, 6 (2002)
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[Publications] K,Soda., T,Mizutani., O,Yoshimoto., S,Yagi., U,Mizutani., H,Sumi., Y,Nishino., Y,Yamada., T,Yokoya., S,Shin., A,Sekiyama., S,Suga.: "High-resolution photoelectron spectroscopy of Heusler-type Fe_2VAl alloy"J. Synchrotron Radiation. 9. 233-236 (2002)
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「研究成果報告書概要(欧文)」より
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[Publications] Yuh Yamada., Y,Fujimoto., S,Hatanaka., T,Shibata., T,Naka., J,Tang., A,Matsushita., S,Kubo.: "Pressure effects on the superconductivity and magnetization in RuSr_2GdCu_2O_8"J. Phys. Cond. Mat.. 14. 10763-10766 (2002)
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[Publications] H,Wade., T,Morikawa., K,Taniguchi., T,Shibata., Y,Yamada., Y,Akishige.: "Giant magnetocaloric effect of MnA_<s1-x>Sb_x in the vicinity of first-order magnetic transition"Physica B. 328. 114-116 (2003)
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[Publications] S,Fujiyama., M,Takigawa., T,Suzuki., N,Yamada., S,Horii., Y,Yamada: "Spin dynamics and antiferromagnetic order in PrBa_2Cu_4O_8 studied by Cu nuclear resonance"Phys. Rev. B. 67. 060404 (2003)
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[Publications] H,Ogasawara., M,Matsukawa., S,Shirafuji., Y,Yamada., N,Kobayashi., K,Itoh.: "Thermal transport of Pr_2Ba_4Cu_7O_<15-y> compound with alternative repetition of a single- and double-chain"Physica C, in press. (2003)
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[Publications] S,Yata., G,Shimizu., Y,Yamada., S,Kubo., A,Matsushita.: "Superconducting properties of B on Mg bilayer films sequentially deposited at low substrate temperatures"Physica C, in press. (2003)
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