참고문헌
-
L. Bauernfeind, W. Widder and H.F. Braun, "Ruthenium-based layered cuprates
$RuSr_2LnCu_2O_8$ and$RuSr_2(Ln_{1+x}Ce_{1-x})Cu_2O_{10}$ (Ln = Sm, Eu and Gd)", Physica C 254, 151-158. https://doi.org/10.1016/0921-4534(95)00574-9 - E. B. Sonin and I. Felner, "Spontaneous vortex phase in a superconducting weak ferromaghet", Phys. Rev. B57, R14000-R14003 (1998) and therein references. https://doi.org/10.1103/PhysRevB.57.R14000
-
Felner, U. Asaf, Y. Levi and O. Millo, "Coexistence of magnetism and superconductivity in
$R_{1.4}Ce_{0.6}.RuSr_2Cu_2O_{10-{\delta}}$ (R = Eu and Gd)", Phys. Rev. B55, R3374-R3377 (1997). https://doi.org/10.1103/PhysRevB.55.R3374 -
C. Bernhard, J. L. Tallon, Ch. Niedermayer, Th. Blasius, A. Golnik, E. Brucher, R. K. Kremer, D. R. Noakes, C. E. Stronach and E. J. Ansaldo, "Coexistence of ferromagnetism and superconductivity in the hybrid ruthenate-cuprate compound
$RuSr_2GdCu_2O_8$ studied by muon spin rotation and dc magnetization", Phys. Rev. B 59, 14099-14107 (1999). https://doi.org/10.1103/PhysRevB.59.14099 -
G.V.M. Williams, Ho Keun Lee and S. Krämer, "Effect of Sn, Nb, and La substitution on superconductivity and magnetic order in
$RuSr_2GdCu_2O_8$ (R = Eu,Gd)", Phys. Rev. B 67, 104514-7 (2003). https://doi.org/10.1103/PhysRevB.67.104514 -
Felner and U. Asaf, "Superconductivity and weak ferromagnetism in
$Eu_{1.4}Ce_{0.6}Ru_{1-x}Fe_xSr_2Cu_2O_{10-{\delta}}$ ", Physica C 292, 97-103 (1997). https://doi.org/10.1016/S0921-4534(97)01673-0 -
H. K .Lee and Y. C. Kim "Superconducting and magnetic properties of
$(Ru_{1-x}Nb_x)Sr_2(Eu_{1.5}Ce_{0.5})Cu_2O_z$ ", Int. J. Mod. Phys. B 17, 3682-3687 (2003). https://doi.org/10.1142/S0217979203021617 - L. Shi, G. Li, Y. Pu, X.D. Zhang, S.J.Feng and X.-G. Li, "Effect of Pb doping on the superconducting and magnetic resonance properties of Ru-1222", Materials Letters 57, 3919-3923 (2003). https://doi.org/10.1016/S0167-577X(03)00241-6
-
H. K. Lee and G. V. M. Williams, "Effect of Nb doping on superconducting and magnetic properties of
$RuSr_2(Gd_{1.5-y}Eu_yCe_{0.5})Cu_2O_z$ ", Physica C 415, 172-178 (2004). https://doi.org/10.1016/j.physc.2004.08.012 -
V.P.S. Awana, R. Lal, H. Kishan, A. V. Narlikar, M. Peurla and R. Laiho, "Experimental study of the magnetosuperconductor
$RuSr_2Eu_{1.5}Ce_{0.5}Cu_2O_{10-{\delta}}$ : Effect of Mo doping on magnetic behavior and Tc variation", Phys. Rev. B73, 014517(1)-014517(6) (2006). -
S.K. Goh, G.V.M. Williams, E.K. Hemery and H.K. Lee, "Superconducting and magnetic properties of
$Ru_{1-y}M_ySr_2Eu_{2-x}Ce_xCu_2O_{10+{\delta}}$ (M = Nb,Sn)", Phys. Rev. B74, 124506(1)-134506(7) (2006). -
S.K.Goh, G.V.M.Williams and H.K. Lee "The effect of substituents on magnetic order and superconductivity in
$RuSr_2R_{2-y}Ce_yCu_2O_{10+{\delta}}$ (R = Eu, Gd)", Current Appl. Phys. 6 , 515-519, (2006). https://doi.org/10.1016/j.cap.2005.11.052 -
V.P.S. Awana, H. Kishan, O. Eshkenazi, I. Felner, Rajeev Rawat, V. Ganesan and A. V. Narlikar, "Experimental study of magneto-superconductor
$RuSr_2Eu_{1.5}Ce_{0.5}Cu_2O_{10-{\delta}}$ : peculiar effect of Co doping on complex magnetism and$T_c$ variation", J. Phys: Condens. Matter 19, 026203(1)- 026203(14) (2007). -
J.W. Lynn, B. Keimer, C. Ulrich, C. Bernhard and J.L. Tallon, "Antiferromagnetic ordering of Ru and Gd in superconducting
$RuSr_2GdCu_2O_8$ ", Phys. Rev. B61, R14964-R14967 (2000). https://doi.org/10.1103/PhysRevB.61.R14964 -
J.D. Jorgensen, O. Chmaissem, H. Shaked, S. Short, P.W. Klamut, B. Dabrowski and J.L.Tallon, "Magnetic ordering in the superconducting weak ferromagnets
$RuSr_2GdCu_2O_8$ and$RuSr_2EuCu_2O_8$ ", B63, 054440(1)-054440(5) (2001). -
J.W. Lynn, Y. Chen, Q. Huang, S.K. Goh, G.V.M. Williams and J.L. Tallon, "Search for magnetic order in superconducting
$RuSr_2Eu_{1.2}Ce_{0.8}Cu_2O_{10}$ ", Phys. Rev. B76, 014519(1)-014519(8) (2007). -
H.K. Lee, J.M. Lee and Y.I. Kim, "Synthesis and superconductivity in Ba-doped
$(Ru,Cu)(Sr,Nd)_2(Nd,Ce)_2Cu_2O_z$ " J. Supercond. Nov. Magn.", 23, 629-632 (2010). https://doi.org/10.1007/s10948-010-0721-0 -
H. K. Lee and Y.I. Kim, "Effect of Cu Doping on the crystal structure of
$(Ru_{1-x}Cu_x)(Sr_{1.47}Ba_{0.2}Nd_{0.33})(NdCe)Cu_2O_{10}$ " J. Supercond. Nov. Magn.", 25, 2019-2023(2012). https://doi.org/10.1007/s10948-012-1553-x - Ubaldmi, V.P.S.Awana, E.Takayama-Muromachi, "High pressure high temperature(HPHT) synthesis and magnetic characteration of Tb based ruthenocuprates RuuTb12s2(s = 1,2)", Physica C 460-462, 856-858 (2007). https://doi.org/10.1016/j.physc.2007.03.083
-
H.K. Lee, "Effect of Cu substitution on superconductivity in
$(Ru_{1-x}Cu_x)Sr_2(Eu_{1.34}Ce_{0.66})Cu_2O_z$ system", Prog. in Supercond., 11, 67-71 (2009). -
H.K. Lee, "Superconductivity in the
$(Pb,V)Sr_2(Ca,Tb)Cu_2O_z$ system", J. Korean Phys. Soc. 36, 384-386 (2000). - R. D. Shannon, "Revised Effective Radii and Systematic studies of interatomic distances in halides and chalcogenides", Acta Cryst. A32, 751-767 (1976). https://doi.org/10.1107/S0567739476001551
-
J. L. Tallon, C. Bernhard, H. Shaked, R. L. Hitterman and J. D. Jorgenson, "Generic superconducting phase behavior in High-
$T_c$ cuprates:$T_c$ variation with hole concentration in$YBa_2Cu_3O_{7-Z}$ ", Phys. Rev. B51, 12911-12914 (1995). https://doi.org/10.1103/PhysRevB.51.12911 -
H.K. Lee, "Effect of Co doping on the superconducting properties of overdoped
$(Lu_{0.8}Ca_{0.2})Ba_2Cu_3O_z$ ", Adv. Sci. Tech. 47, 108-112 (2006). https://doi.org/10.4028/www.scientific.net/AST.47.108 -
H.K. Lee, "Effect of Co substitution on the structure and superconducting properties of
$GaSr_2(Tm,Ca)Cu_2O_z$ " J. Supercond. Nov.Magn. 24, 1381-1384 (2011). https://doi.org/10.1007/s10948-010-0837-2 -
S. Kalavathi, J. Janaki, G.V.R. Reddy, G.V.N. Rao, V. Sankara Sastry and Y. Hariharan, " Crystal structure, superconductivity and magnetic properties of the superconducting ferromagnets
$Gd_{1.4+x}Dy_xCe_{0.6}Sr_2RuCu_2O_{10}$ (x = 0 - 0.6)", Physica C 390, 296-304 (2003). https://doi.org/10.1016/S0921-4534(03)00739-1