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Mishra, S.R.; Cummins, T.R.; Waddill, G.D.; Gammon, W.J.; Tobin, J.G.
Ernest Orlando Lawrence Berkeley National Lab., Advanced Light Source, Berkeley, CA (United States). Funding organisation: US Department of Energy (United States)1999
Ernest Orlando Lawrence Berkeley National Lab., Advanced Light Source, Berkeley, CA (United States). Funding organisation: US Department of Energy (United States)1999
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LBNL/ALS--29595; AC03-76SF00098; Journal Publication Date: June 1999
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Schumann, F.O.; Hochstrasser, M.; Willis, R.F.; Goodman, K.G.; Tobin, J.G.
Ernest Orlando Lawrence Berkeley National Lab., Advanced Light Source, Berkeley, CA (United States). Funding organisation: US Department of Energy (United States)1999
Ernest Orlando Lawrence Berkeley National Lab., Advanced Light Source, Berkeley, CA (United States). Funding organisation: US Department of Energy (United States)1999
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LBNL/ALS--29596; AC03-76SF00098; Journal Publication Date: June 1999
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Sarthour, R; Goff, J; McMorrow, D; Stunault, A; Lidstrom, E; Vigliante, A; Ward, R; Wells, M
Brookhaven National Lab., Upton, NY (United States); National Synchrotron Light Source (United States). Funding organisation: USDOE Office of Energy Research (ER) (United States)1999
Brookhaven National Lab., Upton, NY (United States); National Synchrotron Light Source (United States). Funding organisation: USDOE Office of Energy Research (ER) (United States)1999
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AC02-98CH10886; Available from Brookhaven National Lab., Upton, NY (US)
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[en] A novel single-phase Y3(Fe,Mo)29 compound with Mo as a new stabilizing element has been synthesized with nominal composition Y10.5Fe86.7Mo2.8 via annealing at 1313 K for three days, and then water quenching. The results of thermomagnetic analysis (TMA) show a magnetic ordering temperature of 376 K. X-ray diffraction gives lattice parameters a=10.570 A, b=8.508 A, c=9.673 A and β=96.98 . The temperature dependence of the magnetization Ms of Y10.5Fe86.7Mo2.8 in an applied magnetic field up to 7 T and the temperature dependence of the anisotropy field Ba are also reported. (orig.)
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[en] The microstructure and coercivity of Fe77.5-x-yCuxNbySi13.5B9 (x = 0 or 1, y = 0 or 3) alloys in the as-quenched state and after accumulative annealing at different temperatures were investigated. It was found that the addition of Cu to Fe-based amorphous alloys accelerates their crystallization. Only the simultaneous addition of Cu and Nb to Fe-based amorphous alloys results in the magnetization vector becoming almost parallel to the ribbon surface and the coercivity reaching a very low value in crystalline materials. (orig.)
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12. international conference on soft magnetic materials (SMM-12); Krakow (Poland); 12-14 Sep 1995
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[en] The growth of nanocrystallites in amorphous Fe73.5Mo3Cu1Si13.5B9 alloy is described by the formalism of precipitation from a supersaturated matrix taking into account the change of matrix composition. The transformation kinetics is determined by isothermal magnetization measurements. The results fit the theory well. The solute is enriched in the amorphous matrix. (orig.)
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12. international conference on soft magnetic materials (SMM-12); Krakow (Poland); 12-14 Sep 1995
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[en] The saturation magnetostriction (λs) of Fe73.5Nb3Cu1Si13.5B9 alloy samples was determined using the capacitance method and the transverse susceptibility method. The values of λs decreased from (24.3-26.3).10-6 to (0.5-2.5).10-6 and then increased to 5.6.10-6 for the sample annealed at 650 C. The differences of the two methods were from 0 to 20% in the amorphous state and somewhat higher for the nanocrystalline state. (orig.)
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12. international conference on soft magnetic materials (SMM-12); Krakow (Poland); 12-14 Sep 1995
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[en] The effect of gamma-irradiation on the domain structure of ferrite-garnet films was studied. It was found that ionizing irradiation suppresses hard bubbles. The causes of the effect of gamma-irradiation on the magnetic properties and domain structure of the films are discussed. (orig.)
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12. international conference on soft magnetic materials (SMM-12); Krakow (Poland); 12-14 Sep 1995
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Zhou, S.M.; Sun, L., E-mail: shiming@fudan.ac.cn2005
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[en] For amorphous-FeNiB (2.0nm)/Ru multilayers, an oscillatory interlayer coupling is observed with the variation of the Ru spacer thickness. At 0.8nm thick Ru layer, near the first antiferromagnetic coupling maximum, the energy of the effective interlayer coupling at low temperature T is found to change as a linear function of T3/2. At the same time, the spontaneous magnetization of the samples at low temperature scales as a linear function of T. Therefore, the temperature dependence of the energy of the effective coupling might be controlled by thermal spin waves in the ferromagnetic layers
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S0304-8853(04)01186-2; Copyright (c) 2004 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
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Stewart, G.A.; Hutchison, W.D.; Edge, A.V.J.; Rupprecht, K.; Wortmann, G.; Nishimura, K.; Isikawa, Y., E-mail: g.stewart@adfa.edu.au2005
AbstractAbstract
[en] DC magnetisation, electrical resistivity, specific heat and 155Gd Mossbauer spectroscopy measurements demonstrate that the Gd sub-lattice of GdNiAl4 undergoes two magnetic transitions (TN=24.7K, TN'=20.8K) as the temperature is decreased. Given that Gd3+ is an S-state ion, a crystal field mechanism can be ruled out as the origin of similar behaviour observed elsewhere for RNiAl4 with R=Pr1-xNdx (0=< x=<0.7) and Tb. Based on a comparison of point charge model calculations of the electric field gradient tensor with those measured at the 155Gd nucleus, it is deduced that the magnetisation is aligned with either the b- or c-crystallographic axis of the orthorhombic structure
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S0304-8853(04)01187-4; Copyright (c) 2004 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
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ALUMINIUM COMPOUNDS, COMPARATIVE EVALUATIONS, CRYSTAL FIELD, CRYSTALLOGRAPHY, ELECTRIC CONDUCTIVITY, GADOLINIUM COMPOUNDS, GADOLINIUM IONS, MAGNETIC PROPERTIES, MAGNETIZATION, MOESSBAUER EFFECT, NEODYMIUM COMPOUNDS, NICKEL COMPOUNDS, ORTHORHOMBIC LATTICES, POINT CHARGE, PRASEODYMIUM COMPOUNDS, S STATES, SPECIFIC HEAT, TERBIUM COMPOUNDS
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