Search Results - "Pakhomov, A. B."

Intrinsic ferromagnetism in insulating cobalt doped anatase TiO2 by GRIFFIN, K. A, PAKHOMOV, A. B, WANG, C. M, HEALD, S. M, KRISHNAN, Kannan M

“…Using complementary experiments we show that the room temperature ferromagnetism observed in anatase Co:TiO(2) films is not carrier mediated, but coexists with…”
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Nanomagnetism and spin electronics : materials, microstructure and novel properties by KRISHNAN, K. M, PAKHOMOV, A. B, BAO, Y, BLOMQVIST, P, CHUN, Y, GONZALES, M, GRIFFIN, K, JI, X, ROBERTS, B. K

“…We present an overview of the critical issues of current interest in magnetic and magnetoelectronic materials. A broad demonstration of the successful blend of…”
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Room-temperature magnetism in Cr-doped AlN semiconductor films by Yang, S. G., Pakhomov, A. B., Hung, S. T., Wong, C. Y.

“…Synthesis and characterization of magnetic semiconductors Al1−xCrxN, in which the atomic fraction of chromium x is up to 0.357, are reported. The films, grown…”
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Processible Nanostructured Materials with Electrical Conductivity and Magnetic Susceptibility:  Preparation and Properties of Maghemite/Polyaniline Nanocomposite Films by Tang, Ben Zhong, Geng, Yanhou, Lam, Jacky Wing Yip, Li, Bensheng, Jing, Xiabin, Wang, Xianhong, Wang, Fosong, Pakhomov, A. B, Zhang, X. X

“…We here present a versatile process for the preparation of maghemite/polyaniline (γ-Fe2O3/PAn) nanocomposite films with macroscopic processibility, electrical…”
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Room temperature magnetism in sputtered (Zn,Co)O films by Yang, S.G., Pakhomov, A.B., Hung, S.T., Wong, C.Y.

“…Cobalt doped zinc oxide films Zn/sub 1-x/Co/sub x/O with the atomic fraction x in the range 0.035-0.115 were prepared by sputtering from composite ZnO/Co/sub…”
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Ferromagnetism in Mn-doped CuO by Yang, S. G., Li, T., Gu, B. X., Du, Y. W., Sung, H. Y., Hung, S. T., Wong, C. Y., Pakhomov, A. B.

“…Ferromagnetic properties have been observed in CuO doped with 3.5–15 at. % of Mn. The transition from ferromagnetic to paramagnetic phase at TC=80 K is…”
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Giant Hall effect in percolating ferromagnetic granular metal-insulator films by Pakhomov, A. B., Yan, X., Zhao, B.

“…We studied both the resistivity and the Hall resistivity of cosputtered granular Ni–SiO2 films with the metal volume fraction x in the range of 0.5–1.0. Near…”
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Giant Hall effect in superparamagnetic granular films by Denardin, J.C, Knobel, M, Zhang, X.X, Pakhomov, A.B

“…A comprehensive review of the giant Hall effect (GHE) is presented, with emphasis on novel experimental data obtained in Ni–SiO2 and Co–SiO2 films prepared by…”
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Magnetization and magnetocaloric effect in magnetic shape memory alloys Ni-Mn-Ga by Pakhomov, A.B., Wong, C.Y., Zhang, X.X., Wen, G.H., Wu, G.H.

“…Magnetization of Ni/sub 52/Mn/sub 24.4/Ga/sub 23.6/ and Ni/sub 52/Mn/sub 24.2/Ga/sub 23.8/ magnetic shape memory alloys was measured as a function of magnetic…”
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Resistivity and Hall resistivity in percolating (NiFe)-SiO2 films by PAKHOMOV, A. B, YAN, X

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Epitaxial growth and properties of cobalt-doped ZnO on α-Al2O3 single-crystal substrates by TUAN, A. C, BRYAN, J. D, GAMELIN, D. R, CHAMBERS, S. A, PAKHOMOV, A. B, SHUTTHANANDAN, V, THEVUTHASAN, S, MCCREADY, D. E, GASPAR, D, ENGELHARD, M. H, ROGERS, J. W, KRISHNAN, K

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Large magnetic entropy change in compound LaFe11.44Al1.56 with two magnetic phase transitions by HU, Feng-Xia, SHEN, Bao-Gen, SUN, Ji-Rong, PAKHOMOV, A. B, WONG, C. Y, ZHANG, X. X, ZHANG, Shao-Ying, WANG, Guang-Jun, CHENG, Zhao-Hua

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Transport and magnetotransport properties of Co thin films on Si by Pakhomov, A.B, Denardin, J.C, de Lima, O.F, Knobel, M, Missell, F.P

“…Resistance, magnetoresistance and Hall effect were studied in sputtered cobalt films of varying thickness, deposited on silicon substrates, in the temperature…”
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Magnetic and Magnetotransport Properties of Co Thin Films on Si by Knobel, M., Denardin, J.C., de Carvalho, H.B., Brasil, M.J.S.P., Pakhomov, A.B., Missell, F.P.

“…A systematic study of magnetic and magnetotransport properties of thin Co films on Si is reported in this work. The Co films of thicknesses 30, 160 and 440 Å…”
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Giant magnetoimpedance in crystalline Mumetal by Nie, H.B., Pakhomov, A.B., Yan, X., Zhang, X.X., Knobel, M.

“…We studied giant magnetoimpedance (GMI) effect in commercial crystalline Mumetal, with the emphasis to sample thickness dependence and annealing effects. By…”
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Deviation of the magnetization change from the structural phase transition temperature in polycrystalline Ni–Mn–Sn in low magnetic fields by Shamberger, P.J., Pakhomov, A.B., Koyama, K., Ohuchi, F.S.

“…Magnetization and resistivity were measured as a function of temperature in polycrystalline Ni–Mn–Sn Heusler alloys with a magnetocrystalline first order phase…”
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The reversal mechanism and coercivity of Pt3Co alloy film by TANG, Y. J, WONG, S. K, HUNG, T. F, PAKHOMOV, A. B, WONG, C. Y

“…The reversible magnetization Mrev dependence of the irreversible magnetization Mirr exhibits a minimum when Mirr is slightly larger than zero, which is the…”
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Transition from granular to dilute magnetic semiconducting multilayers in ion-beam-deposited ZnO/Co by Pakhomov, A. B., Roberts, Bradley K., Krishnan, Kannan M.

“…Multilayers of Co/ZnO, with varying nominal thickness of metal (2–10 Å) and semiconductor (2–20 Å), were prepared by ion-beam sputtering. Magnetic, transport,…”
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Predation impact of carnivorous macrozooplankton and micronekton in the Atlantic sector of the Southern Ocean by Pakhomov, E.A, Perissinotto, R, Froneman, P.W

“…The composition, biomass, distribution and predation impact of carnivorous zooplankton were investigated along a transect from SANAE to Cape Town during the…”
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Blocking phenomena in granular magnetic alloys through magnetization, Hall effect, and magnetoresistance experiments by Denardin, J. C., Pakhomov, A. B., Brandl, A. L., Socolovsky, L. M., Knobel, M., Zhang, X. X.

“…Magnetization and magnetotransport were measured in CoxAg1−x granular composites as a function of temperature and applied magnetic field. A transition from…”
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