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first studied by Jonker and Van Santen in 1950[1]. These materials were of considerable interest in the last decade due to their colossal magnetoresistance(CMR) effect[2-4]. Recently a series of hole...]von Helmolt R, Wecker J, Holzapfel B, et al. Giant negative magnetoresistance in perovskitelike La2/3Ba1/3-MnOx ferromagnetic films [J]. Phys Rev Lett, 1993, 71: 2331-2333. [3]Jin S, Tiefel T H......
平行与反行时的电流及其自旋注入系数 Fig.2 Current and spin injection coefficients for parallel and anti-parallel configuration 图3 磁阻率 Fig.3 Magnetoresistance ratio 电子的输运性质一般由体系前线分子轨道所决定,为此我们进一... magnetoresistance in organic spin-valves[J]. Nature, 2004, 427(6977): 821-824. [6] Wang F J, Xiong Z H, Wu D, et al. Organic spintronics: The case of Fe/Alq3/Co spin-valve devices[J]. SynthMet,2005, 155: 172-175......
, XIONG Guang-chen, WU Shi-cheng. Structure, electric and magnetic properties and colossal magnetoresistance of the Re1-xTxMnO3[J]. Progress in Physics, 1997, 17(2): 201-222. [2] SALAMON M B, JAIME M...]. Phys Rev B, 2006, 74: 174405-1-174405-6. [5] BOUDAYA C, LAROUSSI L, DHAHRI E, JOUBERT J C, CHEIKH-ROUHOU A. Magnetic and magnetoresistance properties in rhombohedral La1-xKxMnO3 perovskite-type......
and colossal magnetoresistance phenomenon in La1-xZrxMnO3[J]. J Appl Phys, 2001, 89(11): 7425-7427. [3] 刘俊明,王克锋. 稀土掺杂锰氧化物庞磁电阻效应[J]. 物理学进展. 2005, 25(1): 82-130. LIU Jun-ming, WANG Ke-feng. Colossal magnetoresistive manganites[J]. Progress in Physics, 2005, 25(1): 82-130. [4] Chou H, Wu C B, Shu S G, et al. Electron-doped magnetoresistance in the sintered La1-xTxMnO3 lanthanum- deficient phase[J......
]. The research has mostly been focused on the study of the compound Sr2FeMoO6 (SFMO), which presents a high Curie temperature (TC ≈400 K) and displays a strong magnetoresistance (magnetoresistance is defined... temperature magnetoresistance in an oxide material with an ordered double perovskite structure[J]. Nature, 1998, 395: 677-680. [2] BALCELLS LI, NAVARRO J, BIBES M, ROIG A, MARTINEZ B, FONTCUBERTA J......
and magnetoresistance of Dy1-xSmxMn6Ge6 (x=0.2-1.0) compounds[J]. J Phys D: Appl Phys, 2004, 37: 385-388. [4]Lefèver C, Venturini G A. Magnetic study of HoMn6Sn6-xGax single crystals (0.14≤x≤1.89)[J]. J Magn Magn Mater... measurements[J]. J Magn Magn Mater, 2000, 219: 22-32. [12]Li Y B, Zhang S Y, Yao J L, et al. Magnetic properties and magnetoresistance effect of Y1-xGdxMn6Sn6 (x=0-1) compounds[J]. Chin Phys, 2003, 12(3......
magnetoresistance [3, 6-7] and even magnetocaloric properties [6]. One serious problem in R2PdSi3 single crystal growth using FZ method is the control of precipitates, which is even inevitable... and Y) [J]. Journal of Magnetism and Magnetic Materials, 1990, 87(1-2): 199-204. [2] MALLIK R, SAMPATHKUMARAN E V, PAULOSE P L. Large low temperature magnetoresistance and magnetic anomalies in Tb2PdSi3......
state when doped and their colossal magnetoresistance effect(CMR) is remarkable[1-4]. Consequently, they have been a hot spot in research field of magnetic electronic functional materials due... the materials with strong absorption and wide band for microwave and the materials have wide application prospect. References [1] CHOU H, WU C B, HSU S G, WU C Y. Electron-doped magnetoresistance......
磁电阻效应[J]. 稀土, 2000, 21(1): 19-22. HU Ji-fan, MEI Liang-mo, DING Zhi-qiang, et al. Magnetoresistance effects in La0.65(Ca, Ba)0.35Mn1-x-FexOy[J]. Chinese Rare Earths, 2000, 21(1): 19- 22 [3]许恒毅, 曹庆琪, 唐涛. 稀土锰氧化物La1-xNaxMnO3室温磁电阻效应研究[J]. 功能材料, 2001, 32(2): 147-148. XU Heng-yi, CAO Qing-qi, TANG Tao, et al. Magnetoresistance in room temperature of manganic oxide La1-xNaxMnO3[J]. Journal......
anisotropy of the magnetic behavior, giant negative magnetoresistance, and even magnetocaloric properties [3,7-11]. Till now, high quality Gd2PdSi3 single crystal has not been grown and studied. The aim..., Nd, Gd, Tb, Dy, Ho, Er, Tm and Y) [J]. Journal of Magnetism and Magnetic Materials, 1990, 87: 199-204. [2] MALLIK R, SAMPATHKUMARAN E V, PAULOSE P L. Large low temperature magnetoresistance......