Hwang H Y, Cheong S-W, Radaelli P G, et al. Lattice Effects on the Magnetoresistance in Doped LaMnO3 [J]. Phys Rev Lett, 1995, 75(50): 914-917.
[2]
Mahesh R, Mahendiran R, Raychaudhuri A K, et al. Effect of Dimensionality on the Giant Magnetoresistance of the Manganayes: A Study of the (La, Sr)n+1 MnnO3n+1 Family [J]. J Solid State Chem, 1996, 122: 448-450.
[3]
Moritomo Y, Asamitsu A, Kuwahara H, et al. Giant Mangnetoresistance of Manganese Oxides with a Layered Perovskite Structure [J]. Nature, 1996, 380: 141-144.
[4]
Kimura T, Tomioka Y, Kuwahara H, et al. Thousandfold Change in Resistivity in Magnetoresistive La-Ca-Mn-O Films [J]. Science, 1996, 274: 1698-1701.
[5]
Schiffer P, Ramirez A P, Bao W, et al. Low Temperature Magnetoresistance and the Magnetic Phase Diagram La1-xCaxMnO3 [J]. Phys Rev Lett , 1995, 75(18): 3336-3339.
[6]
Zener C. Interaction between the d Shells in the Transition Metals [J]. Phys Rev, 1951, 81: 440-446.
[7]
Ruddlesden S N, Popper P. The Compound Sr3Ti2O7 and Its Structure [J]. Acta Crystallogr, 1958, 11: 54-59.
[8]
Argyiou D N, Mitchell J F, Radaelli P G, et al. Lattice Effects and Magnetic Structure in the Layered Colossal Magnetoresistance Manganite La2-2xSr1+2xMn2O7 [J]. Phys Rev B, 1999, 59(13): 8695-8702.
[9]
Battle P D, Cox D E, Green A M, et al. Sr1. 8Nd1. 2Mn2O7: Synthesis, Crystal Structure, and Physics Properties [J]. Chem Mater, 1997, 9: 3215-3221.
[10]
Mitchell J F, Millbum J E, Medarade M, et al . Layered Manganites: Magnetic Structure at Extreme Doping Levels [J]. J Appl Phys, 1999, 85(8): 4352-4354.
[11]
Kuboat M, Fujioka H, Hirota K, et al. Relation between Crystal and Magnetic Structures of Layered Manganite La2-2xCa1+2xMn2O7 (0. 30≤x≤0. 50) [J]. J Phys Soc Jpn, 2000, 69(6): 1606-1609.
[12]
Hur N H, Kim J T, Kim K H, et al. Effect of Lanthanide Ions on the Magnetotransport Properties in Layered Sr1. 6R1. 4Mn2O7(R=La, Pr, Nd, Gd) [J]. Phys Rev B, 1998, 57(17): 10740-10744.
[13]
Asano H, Hayakawa J, Matsui M. Giant Magnetoresistance of a Two-Dimensional Ferromagnet La2-2xCa1+2xMn2O7 [J]. Appl Phys Lett, 1996, 68(25): 3638-3640.
[14]
Raychaudhuri P, Mitra C, Paramekanti A, et al. The Metal-Insulator Transition and Ferromagnetism in the Electron-Doped Layered Manganites La2-2xCa1+2xMn2O7 (x = 0, 0. 3, 0. 5) [J]. J Phys Condens Matter, 1998, 10: 191-194.
[15]
Suryanarayanan R, Zelenay I, Berthon J. Ferromagnetism and Thermoelectric Power of La1.5Ca1.5Mn2O7 [J]. Materials Research Bulletin, 1997, 32(50): 595-601.
[16]
Ganguly R, Siruguri V, Gopalakrishnan I K, et al. Comment on "Giant Magnetoresistance of a Two-Dimensional Ferromagnet La2-2xCa1+2xMn2O7" [J]. Appl Phys Lett, 2000, 76: 1956-1957.
[17]
Hiroyuki F, Manabu I, Shuichi O, et al. Canted Antiferromagnetic Order and Large Magnetoresistance Effect in La1-xCaxMnO3, Pr1-xCaxMnO3 and Other RE1-xAExMnO3 Mangneanese Oxides (x≈0.9) [J]. J Phys Soc Jpn, 2000, 69: 1865-1871.
[18]
Witte N S, Goodman P, Lincoln F J, et al. Electrical and Magnetic Phase of the Layered Perovskite Ca4-x？LaxMn3O10[J]. Appl Phys lett, 1998, 72: 853-855.
[19]
MacChesney J B, Wiliams H J, Potter J F, et al. Magnetic Study of the Electron-Doped Layered Manganates La2-2xCa1+2xMn2O7 (0. 6≤x≤1. 0) [J]. Phys Rev B, 2000, 62(10): 6485-6488.
[20]
Fawcett I D, Sunstrom J E IV, Greenblatt M. Structure, Magnetism, and Properties of Ruddlesden-Popper Calcium Manganates Prepared from Citrate Gels [J]. Chem Mater, 1998, 10: 3643-3651.
[21]
Park J H, Parise J B. Exploration Chemistry with High-Pressure Temperature [J]. Chem Mater, 1995, 7: 1055-1057.
[22]
Fawcett I D, Kim E, Greenblatt M, et al. Properties of the Electron-Doped Layered Manganates La2-2xCa1+2x？Mn2O7 (0.6≤x≤1.0) [J]. Phys Rev B, 2000, 62(10): 6485-6495.
[23]
Battle P D, Green M A, Laskey N S, et al. Layered Ruddlesden-Popper Manganese Oxides: Synthesis and Cation Ordering [J]. Chem Mater, 1997, 9: 552-559.
[24]
Shannon P R D. Revised Effective Ionic Radii and Systematic Studies of Interatomic Distances in Halides and Chalcogenides [J]. Acta Crystallogr, 1976, A32: 751-773.
[25]
Battle P D, Millburn J E, Rosseinsky M J, et al. Neutron Diffraction Study of the Structural and Electronic Properties of Sr2HoMn2O7 and Sr2YMn2O7 [J]. Chem Mater, 1997, 9: 3136-3142.
