Hakuraku's Paper List

Hakuraku's Publications

Recent Group Publications

[1980-2000]

High Temperature Superconductor

Y. Hakuraku et al.: "Role of added fluorine to enhance the electromagnetic properties of superconducting YBaCuO compounds"; Appl. Phys. Lett. Vol.52, No.18, pp.1528-1530 (1988)
Y. Hakuraku et al.: Formation of high Tc 110K superconducting phase at the PbO/BiSrCaCuO interfaces"; Jpn. J. Appl. Phys. Vol.28, No.1, pp.L67-L70 (1989)
Y. Hakuraku et al.: "Reaction and intermixing at the BiSrCaCuO/PbO interfaces"; Jpn. J. Appl. Phys. Vol.28, No.3, pp.L402-L405 (1989)
Y. Hakuraku et al.: "Change of electromagnetic properties of superconducting ErBaCuO compound by fluorine addition"; Cryogenics Vol.29, No.4, pp.415-417 (1989)
S. Koba et al.: "Effect of Al on electronic conductivity and superconductivity of Nb-Si-Al-O ceramic"; Int. J. Mod. Phys. Vol.7, No.25, pp.4261-4270 (1993)
Other 10 papers

Superconducting thin films

Y. Hakuraku et al.: "Preparation of superconducting BiSrCaCuO thin films by dc sputtering"; Jpn. J. Appl. Phys. Vol.27, No.10, pp.L1892-L1894 (1988)
Y. Hakuraku et al.: "Highly oriented Bi(Pb)SrCaCuO superconducting thin films by magnetron sputtering of a single target"; Appl. Phys. Lett. Vol.55, No.15, pp.1569-1571 (1989)
Y. Hakuraku et al.: "As-grown superconducting thin films of Bi(Pb)SrCaCuO by magnetron sputtering"; Appl. Phys. Lett. Vol.57, No.9, pp.928-927 (1990)
Y. Hakuraku et al.: "Effect of pure oxygen sputtering gas pressure on the in-situ growth of 2223 Bi(Pb)SrCaCuO superconducting thin films"; Supercond. Sci & Technol. Vol.4, No.11, pp.717-720 (1991)
Y. Hakuraku et al.: "Rapid annealing effect in the superconducting 2223 Bi(Pb)SrCaCuO thin films prepared by sputtering"; J. Appl. Phys. Vol.73, No.1, pp.309-315 (1993)
Y. Hakuraku et al.: "Ultrathin film preparation of superconducting 2223 Bi(Pb)SrCaCuO by sputter deposition and rapid annealing"; Supercond. Sci & Technol. Vol.9, No.1, pp.23-28 (1996)
S. Koba et al.: "Fabrication of Hg-Ba-(Ca)-Cu-O Thin Films by DC sputtering"; International Cryogenic Materials Conference (1996)
Y. Hakuraku et al.: "Preparation of BiSrCaCuO thin films on R-plane sapphire substrates with MgO buffer layer"; International Cryogenic Materials Conference (1996)
Y. Hakuraku et al.: "Epitaxial MgO buffer layers for YBCO thin films on R-plane Al2O3"; Supercond. Sci & Technol. Vol.9, No.10, pp.775-778(1996)
Y. Hakuraku et al.: "Excimer laser patterning of superconducting BiSrCaCuO thin films"; Supercond. Sci & Technol. Vol.10, No.5, pp.325-329 (1997)
Y. Hakuraku et al.: "NdBaCuO thin films deposited by stoichiometric target sputtering"; Supercond. Sci & Technol. Vol.11, No.2, pp.179-182 (1998)
Y. Hakuraku, Z. Mori, S. Koba, N. Yokoyama, T. Doi and T. Inoue: "Critical parameters in the sputter-deposition of NdBa2Cu3O7-x thin films"; Supercond. Sci & Technol. Vol.12, No.8, pp.481-485 (1999)
Z. Mori, N. Yokoyama, T. Inoue, S. Koba, T. Doi and Y. Hakuraku: "Improved surface morphology of sputter deposited Nd1+xBa1-xCu3O (NBCO) thin films"; Proc. 22th Int. Conf. on Low Temperature Physics at Helsinki, 5M11, August 1999
Z. Mori, S. Nozoe, Y. Yokoyama, S. Koba, T. Doi, S. Higo and Y. Hakuraku: "In-situ annealing effect of sputter-deposited Nd1Ba2Cu3O7-d thin films"; Thin Solid Films, Vol.354, No. 1-2, pp. 195-200 (1999)
Z. Mori, T. Inoue, N. Yokoyama, S. Koba,T. Doi and Y. Hakuraku: "Effects of Nd-Ba substitution in sputter deposited Nd1+xBa2-xCu3O (NBCO) thin film"; Physica B, Vol.284-288, pp. 1037-1038 (2000)
Z. Mori, T. Nakagama, S. Higo, T. Doi, S. Koba and Y. Hakuraku: "Epitaxial SrTiO3 buffer layers for YBa2Cu3O7-d superconducting thin films on MgO substrate"; International Journal of Modern Physics B, Vol.14, No.9, pp.1007-1016 (2000)
Other 13 papers

Magnetic Refrigeration

Y. Hakuraku: "Kapitza conductance of the gadolinium gallium garnet between 1.4 K and 2.1 K"; Cryogenics Vol.24, No.3, pp.156-158(1984)
Y. Hakuraku et al.: "A static magnetic refrigerator for superfluid helium with new heat switches and a superconducting pulse coil"; Jpn. J. Appl. Phys. Vol.24, No.11, pp.1538-1547 (1985)
Y. Hakuraku et al.: "Conceptual design of a new magnetic refrigerator operating between 4 K and 20 K"; Jpn. J. Appl. Phys. Vol.24, No.11, pp.1548-1551 (1985)
Y. Hakuraku et al.: "A magnetic refrigerator for superfluid helium equipped with a rotating superconducting magnet system"; Jpn. J. Appl. Phys. Vol.25, No.1, pp.140-146 (1986)
Y. Hakuraku et al.: "A rotary magnetic refrigerator for super fluid helium production"; J. Appl. Phys. Vol.60, No.9, pp.3266-326 (1986)
Y. Hakuraku: "Thermodynamic simulation of a rotating Ericsson-cycle magnetic refrigerator without a regenerator"; J. Appl. Phys. Vol.62, No.5, pp.1560-1563 (1987)
Other 3 papers

Cryogenics

Y. Hakuraku et al.: "Thermal performance of a low heat leak support for superconducting magnetic levitated trains"; Proc. 9th Int. Cryogenic Eng. Conf. pp.107-110 (1982)
Y. Hakuraku et al.: "Thermal design and tests of a subcooled superfluid helium refrigerator"; Cryogenics Vol.23, No.6, pp.291-297 (1983)
K. Aihara et al.: "Superfluid helium cooled 12 Tesla Nb-Ti superconducting magnet"; Teion Kougaku Vol.18, No.5, pp.264-269 (1983) [in Japanese]
T. Sintomi et al.: "Development and test results of a 10 T dipole magnet for future accelerators"; Proc. 9th Magnet Technology Conf. pp.152-155 (1985)
Y. Hakuraku et al.: "Development of geomagnetic field sensing system using the SQUID sensor and measurement of city noise"; Teion Kougaku Vol.27, No.2, pp.166-171 (1992) [in Japanese]
鎌田清孝、土井俊哉、尾形久直、賀戸　久、湯ノ口万友、白樂善則："SQUID磁束計を用いた桜島火山での地磁気計測"；日本応用磁気学会誌、Vol.24, No.4-2, pp. 867-870 (2000) [in Japanese]
(K. Kamata, T. Doi, H. Ogata, H. Kado, K. Yunokuchi and Y. Hakuraku: "Measurements of geomagnetic field caused by volcanic activity of Mt. Sakurajima using a SQUID magnetmeter"; Jpn. Applied Magnetics Vol.24, No.4-2, pp. 867-870 (2000))
Other 2 papers

Patents

Y. Hakuraku et al.: "Magnetic refrigerating apparatus"; US Patent 4,457,135 (1984)
Y. Hakuraku et al.: "Magnetic refrigeration"; US Patent 4,532,770 (1985)
Y. Hakuraku et al.: "Rotary magnetic refrigerator"; US Patent 4,625, 519 (1986)
Y. Hakuraku et al.: "Magnetic refrigerator and refrigeration method"; US Patent 4,785,636 (1988)
Other 7 US Patents, 3 European Patents and 33 Japanese Patents

Last Updated July 1, 2000