Titlebook: ICAME 2003; Proceedings of the 2 M. E. Elzain,A. A. Yousif,A. M. Gismelseed Conference proceedings 2004 Springer Science+Business Media Dor

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M?ssbauer Studies of Nanosize CuFe2O4 Particlese range 773–1073 K. The room temperature M?ssbauer spectrum for all samples shows the presence of both sextet and doublet indicating the presence of superparamagnetic fractions. The isomer shift, quadrupole splitting and hyperfine field values are found to change with particle size. However, these c

Intact

M?ssbauer Studies on Nanocrystalline Diol Capped ,-Fe,O, showed that the average particle size of the two samples were 9 nm and 6 nm with a small particle size distribution. FTIR and TG showed that the .-Fe.O. particles were capped with the diol. M?ssbauer spectra of the 6 nm sample showed that the sample is superparamagnetic with a blocking temperature

mydriatic

Hyperfine and Structural Properties of the Mechanically Alloyed (FeMn)30Cu70 System M?ssbauer isomer shifts are analyzed at 77 K and 4.2 K as a function of the average lattice parameter determined from Rietveld analysis of the X-ray diffraction data. Evidence of two different iron sites at 77 K to account for the asymmetry of the M?ssbauer spectra is discussed by correlating hyper

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四指套

Transitions and Spin Dynamics at Very Low Temperature in the Pyrochlores Yb2Ti2O7 and Gd2Sn2O7chniques. In both compounds, a first order transition is evidenced, as well as spin dynamics persisting down to the 20 mK range. The transition however has a quite different character in the two materials: whereas that in Gd.Sn.O. (at 1 K) is a magnetic transition towards long range order, that in Y

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M?ssbauer and Neutron Diffraction Studies on Co-Al Ferriteasurements. Neutron diffraction at 10 K for CoAl.Fe.O. revealed a cubic spinel structure of ferrimagnetic long range ordering, with magnetic moments of Fe.(A)(?4.18 ..), Fe.+(B)(4.81 ..), Co.+(B)(2.99 ..), respectively..The temperature dependence of the magnetic hyperfine field in .Fe nuclei at the

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preservative

S. J. Stewart,R. C. Mercader,G. Punte,J. Desimoni,G. Cernicchiaro,R. B. Scorzellicher Konzepte hergeleitet und durch empirische Untersuchungen mit den realen Gegebenheiten verglichen. Im Anschluss werden Handlungsempfehlungen für weitergehende Deregulierungsschritte abgeleitet..Das Buch wen978-3-658-24339-5978-3-658-24340-1Series ISSN 2946-0301 Series E-ISSN 2946-031X