Non-resonant microwave absorption evidence for intrinsic Josephson coupling in Tl2Ba2CaCu2O8 single crystals
被引:2
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作者:
Joshi, JP
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机构:
Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, IndiaIndian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
Joshi, JP
[1
]
Anand, A
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机构:Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
Anand, A
Bhat, SV
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机构:Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
Bhat, SV
Chowdhury, P
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机构:Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
Chowdhury, P
Bhatia, SN
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机构:Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
Bhatia, SN
机构:
[1] Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
[2] Indian Inst Technol, Dept Phys, Bombay 400076, Maharashtra, India
来源:
PHYSICA C
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2000年
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341卷
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341-348期
关键词:
D O I:
10.1016/S0921-4534(00)01133-3
中图分类号:
O59 [应用物理学];
学科分类号:
摘要:
We report the results of our non-resonant microwave absorption (NRMA) studies on single crystals of Tl2Ba2CaCu2O8 (Tl 2212) which reflect the occurrence of intrinsic Josephson coupling in these crystals. We have studied the magnetic field induced microwave absorption at various temperatures from 4.2K to T-c (similar to 104K) using a standard CW EPR spectrometer (H-dc parallel to c). We observe the appearance of a characteristic feature in the NRMA signals similar to the ones observed earlier by us in Bi2Sr2CaCu2O8 (Bi 2212) starting a few degrees below T-c, which on cooling passes through a maximum in intensity before disappearing at a further low temperature. This behaviour is attributed to the appearance, strengthening and disappearance of Josephson response consequent to the temperature dependence of the viscosity of the Josephson medium between the CuO2 superconducting sheets.
机构:
Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Wang, P.
Fan, B.
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Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48823 USANankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Fan, B.
Wang, Z.
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机构:
Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Wang, Z.
Xie, W.
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机构:
Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Xie, W.
Zhao, X. J.
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Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Zhao, X. J.
Zhang, X.
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Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Zhang, X.
Ji, L.
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Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Ji, L.
He, M.
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机构:
Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
He, M.
Fang, L.
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机构:
Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China
Fang, L.
Yan, S. L.
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机构:
Nankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Informat Tech Sci, Tianjin 300071, Peoples R China