Search Results - "Hai, N.H."

Hard magnetic Fe–Pt alloys prepared by cold-deformation by Hai, N.H., Dempsey, N.M., Givord, D.

“…Tetragonal FePt is a ferromagnet with large magnetocrystalline anisotropy. The renewed interest in this system arises from possible applications, in particular…”
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Magnetic properties of hard magnetic FePt prepared by cold deformation by Hai, N.H., Dempsey, N.M., Givord, D.

“…The second-order anisotropy constant, K/sub 1/(T), in tetragonal L1/sub 0/ FePt is deduced from the analysis of the magnetization versus field curves, between…”
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Synthesis of Cu3.21Bi4.79S9 bismuth chalcogenide by mechanical alloying by Barma, M.C., Long, B.D., Sabri, M.F.M., Ramesh, S., Saidur, R., Said, S.M., Kimura, K., Hai, N.H., Huy, T.D., Trung, T.B.

“…In this research, Cu3.21Bi4.79S9 was synthesized from Cu, Bi and S powders using ball milling. The effects of ball milling duration and the process control…”
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Giant magneto-caloric effect around room temperature at moderate low field variation in La0.7(Ca1-xSrx)0.3MnO3 perovskites by ISLAM, M. S, HANH, D. T, KHAN, F. A, HAKIM, M. A, MINH, D. L, HOANG, N. N, HAI, N. H, CHAU, N

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Giant magneto-caloric effect around room temperature at moderate low field variation in La 0.7(Ca 1− x Sr x ) 0.3MnO 3 perovskites by Islam, M.S., Hanh, D.T., Khan, F.A., Hakim, M.A., Minh, D.L., Hoang, N.N., Hai, N.H., Chau, N.

“…Among the perovskite manganites, a series of La 1− x Ca x MnO 3 has the largest magneto-caloric effect (MCE) (|Δ S m| max=3.2–6.7 J/kg K at Δ H=13.5 kOe), but…”
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The exchange bias in MnPd/Co1−Fe bilayers by Thuy, N.P., Tuan, N.A., Phuoc, N.N., Nam, N.T., Hien, T.D., Hai, N.H.

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Spin reorientation in tetragonal Er Y Co10Mo2 and ErCo10−Ni Mo2 compounds by Hai, N.H, Fruchart, D, Gignoux, D, Luong, N.H, Chau, N

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The exchange bias in MnPd/Co 1− x Fe x bilayers by Thuy, N.P., Tuan, N.A., Phuoc, N.N., Nam, N.T., Hien, T.D., Hai, N.H.

“…A systematic study of exchange bias in MnPd/Co and MnPd/Co 1− x Fe x bilayers has been carried out. Very large unidirectional anisotropy constant of 2.2 erg/cm…”
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An original route for the preparation of hard FePt by Hai, N.H., Dempsey, N.M., Veron, M., Verdier, M., Givord, D.

“…The preparation of FePt hard magnetic foils by an original procedure is described in this paper. The process associates cyclic co-deformation of Fe and Pt…”
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Arsenic removal from water by magnetic Fe 1− x Co x Fe 2 O 4 and Fe 1− y Ni y Fe 2 O 4 nanoparticles by Phu, N.D., Phong, P.C., Chau, N., Luong, N.H., Hoang, L.H., Hai, N.H.

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Arsenic removal from water by magnetic Fe1− x Co x Fe2O4 and Fe1− y Ni y Fe2O4 nanoparticles by Phu, N.D., Phong, P.C., Chau, N., Luong, N.H., Hoang, L.H., Hai, N.H.

“…This article studies the effects of Co and Ni replacement in Fe 1− x Co x Fe 2 O 4 and Fe 1− y Ni y Fe 2 O 4 (x, y = 0, 0.05, 0.1, 0.2, 0.5) nanoparticles, pH,…”
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Spin reorientation in tetragonal ErxYxCo10Mo2 and ErCo10−xNixMo2 compounds by Hai, N.H, Fruchart, D, Gignoux, D, Luong, N.H, Chau, N

“…The thermal dependence of the easy magnetisation direction of tetragonal Er1−xYxCo10Mo2 and ErCo10−yNiyMo2 compounds were studied from the angular dependence…”
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Magnetism in systems of exchange coupled nanograins by HAI, N. H, DEMPSEY, N. M, GIVORD, D

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Highly nonlinear and polarization maintaining octagonal photonic crystal fiber in 1000nm regions by Kaijage, S.F., Namihira, Y., Begum, F., Hai, N.H., Razzak, S.M.A., Kinjo, T., Miyagi, K., Nozaki, S., Zou, N.

“…We propose a highly nonlinear polarization maintaining octagonal photonic crystal fiber possessing flattened dispersion properties within 0.98~1.26 mum…”
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Design of broadband dispersion compensating photonic crystal fibers for high speed transmission systems by Begum, F., Namihira, Y., Kaijage, S.F., Razzak, S.M.A., Hai, N.H., Kinjo, T., Miyagi, K., Zou, N.

“…This article presents larger negative dispersion coefficient, better dispersion slope compensation, and low confinement losses in the entire S+C+L…”
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Dispersion Tolerance of Octagonal Photonic Crystal Fibers by Razzak, S.M.A., Namihira, Y., Begum, F., Kaijage, S., Hai, N.H., Kinjo, T., Zou, N.

“…This paper describes dispersion tolerance of an octagonal photonic crystal fiber (O-PCF) due to variations in the dimension of first ring's air-hole diameter…”
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Dispersion Controlling and Polarization Maintaining in a Modified Hexagonal Photonic Crystal Fiber by Kaijage, S., Namihira, Y., Hai, N.H., Begum, F., Razzak, S.M.A., Kinjo, T., Zou, N.

“…This paper presents a polarization maintaining modified hexagonal photonic crystal fiber (M-HPCF) with nearly zero ultra-flattened dispersion of 0plusmn0.35…”
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Theoretical design and numerical simulation of high negative dispersion photonic crystal fibers with large effective area by Hai, N.H., Namihira, Y., Kaijage, S., Kinjo, T., Razzak, S.M.

“…In this paper, we propose and demonstrate a novel type of PCF that has two cladding layers with Ge rods at the center core. The authors numerically show that…”
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Dispersion Controlled in a Birefringent Modified Octagon Photonic Crystal Fiber for Optical Communication Applications by Kaijage, S.F., Namihira, Y., Hai, N.H., Begum, F., Razzak, S.M.A., Kinjo, T., Zou, N.

“…We report a dispersion controlling technique with a modified octagon photonic crystal fiber. The low flattened dispersion feature, as well as low leakage loss…”
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A novel ultra-flattened chromatic dispersion using defected elliptical pores photonic crystal fiber with low confinement losses by Hai, N.H., Namihira, Y., Begum, F., Kaijage, S., Kinjo, T., Razzak, S.M.A., Miyagi, K., Zou, N.

“…This paper reports a novel design in photonic crystal fiber (PCF) with nearly zero ultra flattened dispersion characteristics. We describe the chromatic…”
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