Jin S, Tiefel T H, McCormack M, et al. Thousandfold Change in Resistivity in Magnetoresistive La-Ca-Mn-O Films [J]. Science, 1994, 264: 413-415.
[2]
Kobayashi K -I, Kimura T, Sawada H, et al. Room-Temperature Magnetoresistance in an Oxide Material with an Ordered Double-Perovskite Structure [J]. Nature (London), 1998, 395: 677-680.
[3]
Kim T H, Uehara M, Cheong S -W, et al. Large Room-Temperature Intergrain Magnetoresistance in Double Perovskite SrFe1-x(Mo or Re)xO3 [J]. Appl Phys Lett, 1999, 74: 1737-1739.
[4]
Okimoto Y, Katsufuji T, Ishikawa T, et al. Anomalous Variation of Optical Spectra with Spin Polarization in Double-Exchange Ferromagnet: La1-xSrxMnO3 [J]. Phys Rev Lett, 1995, 75: 109-112.
[5]
Park J -H, Vescovo E, Kim H -J, et al. Direct Evidence for a Half-Metallic Ferromagnet [J]. Nature, 1998, 392: 794-796.
[6]
Ritter C, Ibarra M R, Morellon L, et al. Structural and Magnetic Properties of Double Perovskites AA'FeMoO6 (AA'= Ba2, BaSr, Sr2 and Ca2 ) [J]. J Phys: Condens Matter, 2000, 12: 8283-8293.
[7]
Kawanaka H, Hase I, Toyama S, et al. Iron Spin State of Double Perovskite Oxide Sr2FeWO6 [J]. Physica B, 2000, 281-282; 518-520.
[8]
Ju K L, Gopalakrishnan J, Peng J L, et al. Dependence of Giant Magnetoresistance on Oxygen Stoichiometry and Magnetization in Polycrystalline La0. 67Ba0. 33MnOz [J]. Phys Rev B, 1995, 51: 6143-6146.
[9]
Sun J Z, Gallagher W J, Duncombe P R, et al. Observation of Large Low-Field Magnetoresistance in Trilayer Perpendicular Transport Devices Made Using Doped Manganate Perovskites [J]. Appl Phys Lett, 1996, 69: 3266-3268.
[10]
Hwang H Y, Cheong S -W, Ong N P, et al. Spin-Polarized Intergrain Tunneling in La2/3Sr1/3MnO3 [J]. Phys Rev Lett, 1996, 77: 2041-2044.
[11]
Hwang H Y, Cheong S -W. Low-field Magnetoresistance in the Pyrochlore Tl2Mn2O7 [J]. Nature (London), 1997, 389: 942-944.
[12]
Hwang H Y, Cheong S -W. Enhanced Intergrain Tunneling Magnetoresistance in Half-Metallic CrO2 Films [J]. Science, 1997, 278: 1607-1609.
[13]
Zhang N, Ding W P, Zhang W, et al. Tunnel-Type Giant Magnetoresistance in the Granular Perovskite La0. 85Sr0. 15MnO3 [J]. Phys Rev B, 1997, 56(13): 8138-8142.
[14]
Yelon W B, Hu Z, James W J, et al. Site Affinity of Substituents in Nd2Fe17-xTx (T=Cu, Zr, Nb, Ti, V) Alloys [J]. J Appl Phys, 1996, 79: 5939-5941.
[15]
Zhang H W, Zhang S Y, Shen B G, et al. Permanent Magnetic Properties of Nano-Composite Sm2Fe15Si2C/α-Fe with Cu Additive [J]. J Appl Phys, 1999, 85: 4660-4662.
[16]
Lin J H, Liu S F, Qian X L, et al. Synthesis of Nd2Fe17 by Reduction-Diffusion Process [J]. J Alloys Comp, 1996, 238: 113-115.
[17]
Bao Z X, Schmidt V H, Howell F L. Phase Transition in KH2PO4 to 14 GPa Observed by Capacitance Change in a Diamond Anvil Cell [J]. J Appl Phys, 1991, 70: 6804-6808.
[18]
Zhao P, Yu R C, Li F Y, et al. Structural Stability and Electrical Properties of Sr2FeMoO6 under High Pressure [J]. J Appl Phys, 2002, 92: 1942-1944.
[19]
Chadi D J, Martin R M. Calculation of Lattice Dynamical Properties from Electronic Energies: Application to C, Si and Ge [J]. Solid State Commun, 1976, 19: 643-646.
[20]
Dougherty T P, Wiederrecht G P, Nelso K A, et al. Femtosecond Time-Resolved Observation of Soft-Mode Dynamics in Structural Phase Transitions [J]. Science, 1992, 258: 770-774.
