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Peculiarity of magnetoresistance of discontinuous ferromagnetic thin filmsYu.O.Shkurdoda,I.M.Pazukha,A.M.ChornousDepartment of Applied Physics,Sumy State University摘 要:magnetoresistance(MR) was observed for all of the as-deposited samples. The maximum MR was observed for Fe thin films with an effective thickness of 17 nm. In the case of the Co thin films......
Magnetocaloric and Colossal Magnetoresistance Effect in Layered Perovskite La1.4 Sr1.6Mn2O7Li an Han 1,2) and Changle Chen 1) 1) School of science,Northwestern Polytechnical University,Xi an 710072,China 2) Department of applied physics,Xi an University of Science and Technology,Xi an 710054,China摘 要:Magnetocaloric and colossal magnetoresistance effects......
Possible Origins for Paramagnetic-ferromagnetic and Insulator-metal Transitions as well as Colossal Magnetoresistance in Manganites李建青,袁松柳School of Sciences,Huazhong University of Science and Technology摘 要:Systematical investigations of zero-field resistivity, magnetoresistance and magnetization were performed for a typical manganese compound......
Magnetoresistance Effect in (La0.9Nd0.1)2/3Ca1/3Mn1-xFexO3 (x=0, 0.05)曾敏,冯猛,王鑫摘 要:Due to the remarkable magnetoresistance (MR) effect on perovskite-type... prepared successfully by sol-gel method. The structure, magnetic properties, and transport properties of the compounds were investigated. The magnetoresistance effect depends on the composition......
Low-field magnetoresistance of (1-x)La0.6Dy0.1Sr0.3MnO3/0.5x (Sb2O3) composite system under different sintering temperatures of matrixYANG Jie a, b, YAN Guoqing a, b, WANG Guiying a, b, TANG... of the matrix on low-field magnetoresistance of (1-x)La0.6Dy0.1Sr0.3MnO3/0.5x (Sb2O3) was studied through the measurements of X-ray diffraction (XRD) patterns, scanning electron microscope (SEM) image......
The Tb Doping Effect on the Room Temperature Magnetoresistance in(La1-xTbx)0.67Sr0.33MnO3(x≤0.4)Hongwei QIN;Jifan HU;Juan CHEN;Hongdong NIU;Luming ZHU;Zhuo WANG Department of Physics,Shandong... in (La1-xTbx)0.67Sr0.33MnO3, the room temperature magnetoresistance △R/R0drops at first, then undergoes an increase near x≈0.1, and finally drops again. The value of room temperaturemagnetoresistance......
the content of the dopants, the high-temperature magnetoresistance (MR) decreases, whereas low-temperature MR increases and reaches 42% at 150 K and x=0.1. However, for the LSMO/BaM composites, magnetization...%. High magnetic field has little effect on the resistivity and magnetoresistance for the composites with x>5%, which may originate from the pinning effect of BaM grains. Key words:Composites......
Electric transport properties and temperature stability of magnetoresistance of composite system between La8/9Sr1/45Na4/45MnO3 and Sb2O3Gui-Ying Wang1,2,Yong-Gang Tang1,2,Qi-Xiang Song1,Ming-Yu...">The samples of La8/9Sr1/45Na4/45MnO3(LSNMO)/x2(Sb2O3) were prepared by the solid-state reaction method. The electric transport properties and the temperature stability of magnetoresistance(MR......
, depressed the particles growth. The resistivity of system increased rapidly and the metal-insulator transition temperature (TIM) and room temperature magnetoresistance decreased as the aluminum... of powder particles size and shape. Key words:magnetoresistance; metal-insulator transition; exchange interactions; transport property; rare earths; [全文内容正在添加中] ......
magnetoresistance material La2/3Ca1/3MnO3 was studied.From the measurements of temperature dependence of magnetization in various magnetic fields,the large magnetic entropy change associated with the ferromagnetic...; magnetocaloric effect; colossal magnetoresistance; perovskite; entropy; rare earths; [全文内容正在添加中] ......
