Weak ferromagnetic order and possible high-Tc superconductivity in the RuCa2RCu2O8+δ ruthenium-cuprate -: art. no. 10B110

被引：3
|
作者：
Ku, HC [1 ]
Yang, CY
Chang, BC
Lin, BN
Hsu, YY
Tai, MF
机构：
[1] Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan
[2] Acad Sinica, Inst Phys, Taipei 106, Taiwan
[3] Wu Feng Inst Technol, Dept Elect Engn, Chiayi 621, Taiwan
来源：
JOURNAL OF APPLIED PHYSICS | 2005年 / 97卷 / 10期
关键词：
D O I：
10.1063/1.1853274
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Weak ferromagnetic order with ordering temperature T-m similar to 47 K and possible superconducting transition with T-c-37 K are observed for the ruthenium-cuprate RuCa2PrCu2O8+delta with the orthorhombic distortion of the tetragonal RuSr2GdCu2O8+delta-type [with T-m similar to 136 K and T-c(max) similar to 65 K] phase. Anomalous temperature dependent magnetization M (T) in both field-cooled and zero-field-cooled modes and isothermal magnetic hysteresis M-m(B-a) below and above Tm and T, indicates a very complicated coexistence and interplay between weak-ferromagnetic order and possible superconductivity. (c) 2005 American Institute of Physics.
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