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Enhancement of room-temperature magnetoresistance in La0.6Dy0.1Sr0.3MnO3/AgxSONG Qixianga, NIU Xiaofeia, WANG Guiyinga, TANG Yongganga, CAI Zhiranga, and PENG Zhenshenga, b a Anhui Key Laboratory... method.Their magnetic property, transport behavior, transport mechanism and magnetoresistance effect were studied through the measurements of magnetization-temperature(M-T) curves, ρ-T curves......
Enhancement of room-temperature magnetoresistance in La0.5Sm0.2Sr0.3MnO3/(Ag2O)x/2PENG Zhenshenga, b, WANG Guiyinga, TANG Yongganga, LIU Penga, and NIU Xiaofeia a Anhui Key Laboratory of Spintronics..., and magnetoresistance effect were studied through the measurement and fitting of ρ-T curves. The results show that the element Ag takes part in reaction when the doping amount is small. Ag is mainly distributed......
: 5674-5677. [16]Ye S L, Song W H, Dai J M, et al. Large room-temperature magnetoresistance and phase separation in La1-xNaxMnO3 with 0.1≤x≤0.3 [J]. J Appl Phys, 2001, 90: 2943-2948. [17]Yuan S L, Li Z...Article ID: 1003-6326(2005)02-0323-05 Magnetoresistance and magnetization of La2/3(Ca0.60Ba0.40)1/3MnO3 in different temperature ranges GAI Rong-quan(盖荣权)1, HUANG Zhi-gao(黄志高)1, 2, LAI Heng(赖......
: 5291-5293. [14] LIU H, JIANG E Y, BAI H L, ZHENG R K, WEI H L, ZHANG X X. Large room-temperature spin-dependent tunneling magnetoresistance in polycrystalline Fe3O4 films [J]. Appl Phys Lett, 2004, 83... the single-crystal films, can be used in fabricating the spintronic devices. Fig. 4 Hysteresis curves of 150 nm polycrystalline Fe3O4 films Fig.5 Parallel MR measured at room temperature......
diffraction at room temperature. The results show that the tunneling magnetoresistance of polycrystalline Sr2FeMoO6 depends on its annealing temperature. Annealing at 800 ℃ makes the minimal... Sr2FeMoO6 polycrystals with nanometer-scale particles[J]. Appl Phys Lett, 1999, 75: 3853-3855. [4] Yuan C L, Zhu Y, Ong P P. Enhancement of room-temperature magnetoresistance in Sr2FeMoO6 by reducing......
structrure of α-Fe is observed in both electrodes. Largetunnel magnetoresistance in large Fe-O/AlOx/Fe-O junctions of 1cm2 is observed atroom temperature and the Ⅰ-Ⅴ characteristic curve of the junction...SPIN-DEPENDENT TUNNELING MAGNETORESISTANCE IN Fe-O/AlOx/Fe-O FILMS S.Luo1,P.Wu1,L.Q.Pan1,Y.Tian1,H.Qiu1,F.P.Wang1 (1.Beijing Keda-Tianyu Microelectronic Materials Technology Development Co. Ltd......
is not very clear. The aim of the present work is to study the influences of annealing temperature and internal stress in the films on the magnetoresistance properties of Ni80Fe20 films. 2 ... deposited on MgO(001) by d.c-biased plasma-sputtering [J]. Thin Solid Films, 1999, 347: 85-90. [2]Miyazaki T, Ajima T, Sato F. Dependence of magnetoresistance on thickness and substrate temperature......
°C, the relative cooling power (RCP) is 89 J/kg. As a result, the studied compound can be considered as potential material for magnetic refrigeration near and below room temperature. Key words: manganite; magnetocaloric effect; sintering temperature; colossal magnetoresistance 1 Introduction Magnetic refrigeration has been paid much attention in recent years due to its high energy efficiency......
Anisotropic Magnetoresistance of Perovskite La2/3 Ca1/3MnO3/YBa2Cu4O8/La2/3Ca1/3MnO3 Trilayer Films Wu Cheng1,Zhang Li1,Zhao Kun1 (1.Magnetoelectronics Laboratory, School of Physics Science and Information Technology, Liaocheng University, Liaocheng 252059, China) Abstract:The anisotropic magnetoresistance (MR) of La2/3Ca1/3MnO3 (LCMO)/YBa2Cu4O8 (YBCO) /LCMO sandwiches on (001) SrTiO3 were......
K,0.5 T磁场下,磁电阻明显增强,达到9.4%,这与颗粒母体界面结构的改善有关,也与材料电阻率的降低有关. 关键词:室温低场磁电阻; 晶界磁电阻; 二相复合体; 钙钛矿锰氧化物; room-temperature and low-field magnetoresistance; grain-boundary magnetoresistance; two-phase composite......