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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... 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......
Article ID: 1003-6326(2005)02-0414-05 Influences of post-annealing and internal stress on magnetoresistance properties of Ni80Fe20 films GAO Yan-qing(高艳清), WU Ping(吴 平), CAI En-jing(蔡恩静... films were annealed at 350, 450 and 570℃respectively for 1h. After annealing at 570℃, the anisotropic magnetoresistance ratio(RAM) of the films is greatly improved. It increases to 3%-3.5% nearly......
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......
Giant Low-Field Magnetoresistance in Polycrystalline La2/3Ca1/3Mn1-xCuxO3 Sintered at 1100 ℃ 夏正才1,刘洁1,袁松柳1,张国庆1,杨应平1 (1.Department of Physics,Huazhong University of Science and Technology, Wuhan..., conductive mechanism and low-field magnetoresistance (MR0) were investigated. It is found that conductive mechanism is described by Mott′s variable-range hopping and the MR0 near the insulator-metal......
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... University, Nanjing 210093, China) Abstract: A polycrystalline La2/3(Ca0.60Ba0.40)1/3MnO3 was prepared by standard solid reaction method. Magnetization(M) and magnetoresistance of the sample were measured......
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......
Research progress in anisotropic magnetoresistanceChong-Jun Zhao1,Lei Ding2,Jia-Shun HuangFu1,Jing-Yan Zhang1,Guang-Hua Yu11. Department of Materials Physics and Chemistry, University of Science and Technology Beijing2. School of Materials and Chemical Engineering, Hainan University摘 要:Anisotropic magnetoresistance (AMR) is an important physical......
Article ID: 1003-6326(2005)06-1280-05 Spin-valve magnetoresistance in Co/Si/(Co/Cu/Co) multilayers SHEN Hong-lie(沈鸿烈), LI Guan-xiong(李冠雄) (College of Materials Science...-beam evaporation. It was found that a Si spacer (≥0.9nm) could greatly decrease the interlayer coupling in Co/Si/Co sandwiches and there was no magnetoresistance(MR) or spin-valve MR in them due......
Magnetoresistance Plateau in La2/3Ca1/3BixMn1-xO3 Granular System张国庆1,潘春旭1,21. Department of Physics,Wuhan University2. Key Laboratory of Acoustic and Photonic Materials and Devices of Ministry of Education,Wuhan University摘 要:The effect of doping additional Bi on the magnetoresistance (MR) of La2/3Ca1/3BxMn1-x O3 was investigated. It is found......
MAGNETORESISTANCE EFFECT OBSERVED IN Fe/Mo MULTILAYERS PREPARED BY ELECTRON BEAM EVAPORATION F.Zeng1,F.Pan1,B.Zhao1,T.He1,Y.Gao1 (1.Laboratory of Advanced Materials, Department of Materials Science... were studied by X-ray diffraction, vibratingsample magnetometer (VSM) et al. The experimental results revealed that the Fe/Mo multilayers in our experimental conditions behaved magnetoresistance effect......
