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    題名: Magnetic phase transition in superconducting Sr2YRu0.95Cu0.05O6 observed by the 99Ru Mo¨ssbauer effect
    作者: Demarco, Michael;Blackstead, H. A.;Dow, John D.;Wu, M. K.;Chen, D. Y.;Chien, F. Z.;Haka, Michael;Toorongian, Steve;Fridmann, Joel
    貢獻者: 淡江大學物理學系
    日期: 2000-12
    上傳時間: 2013-07-09 15:21:04 (UTC+8)
    出版者: College Park: American Physical Society
    摘要: 99Ru Mössbauer effect measurements at 4.2, 23, 30, and 40 K show that the hyperfine magnetic field vanishes near 30 K, lower than the superconducting onset temperature of 45 K in Sr2YRu0.95Cu0.05O6. The data confirm that superconductivity and homogeneous magnetic order coexist. The hyperfine magnetic field measured at 4.2 K is 58.5(0.8) T. The well-resolved set of 18 lines in the 4.2 K measurement enabled a determination of a new value, -0.293(0.005) nm, for the nuclear magnetic moment of the 3/2 state of 99Ru. The isomer shift in this compound was measured to be 0.13(0.01) mm/s and it is consistent with a +5 charge state of Ru.
    關聯: Physical Review B (Condensed Matter and Materials Physics) 62(21), pp.14301-14304
    DOI: 10.1103/PhysRevB.62.14301
    顯示於類別:[物理學系暨研究所] 期刊論文

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