Neutron Scattering from Magnetic Materials part 12 ppt
Neutron Scattering from Magnetic Materials part 12 ppt
... of the vector at which the diffuse magnetic
scattering is centered (from Chattopadhyay et al. [19]).
(a) (b)
Fig. 8. (a) Diffuse magnetic neutron scattering from MnS
2
in constant-Q scans at several ... 2.05
EuO 69 12 6 2.01 1.02
EuS 10.62.62.31.82 1.61
been investigated by inelastic neutron scattering. The neutron scattering investigation of
the spin dynamics of the dop...
Neutron Scattering from Magnetic Materials part 8 pptx
... (1993).
[10] P.J. Brown, in: Neutron Scattering from Magnetic Materials, ed. T. Chatterji, Chap. 5, Elsevier (2005), this
volume.
[11] F. Tasset, J. Phys. IV 11 159 (2001).
[12] Yellow Book (Instrument ... Bragg reflections from
magnetic structures with zero propagation vector can contain both nuclear and magnetic
scattering. They give the interference terms in the polarised...
Neutron Scattering from Magnetic Materials part 15 pptx
... atoms,
ˇ
V
M
=
2π
¯
h
2
m
Np
z
Np
x
−iNp
y
Np
x
+iNp
y
−Np
z
, (60)
where the magnitude of the magnetic scattering length p is associated with a given atomic
magnetic moment. The magnetic scattering length p arises from the atom’s unpaired elec-
trons ... reflectivity measurements of magnetic films and multilay-
ers. Here we will present a derivation of the dynamical theory fo...
Neutron Scattering from Magnetic Materials part 1 pps
... 9
5.2.Coherentandincoherentscattering 11
6.Magneticneutronscattering 12
6.1. Scattering of neutrons from unpaired electrons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.2. Scattering of neutrons from ... different aspects of neutron scattering from magnetic mate-
rials. I intentionally chose the title Neutron Scattering from Magnetic Materials rat...
Neutron Scattering from Magnetic Materials part 2 doc
... Clarendon, Oxford (1975).
[12] G.L. Squires, Introduction to the Theory of Thermal Neutron Scattering, Cambridge University Press
(1978).
[13] S. Lovesey, Theory of Neutron Scattering from Condensed Matter, ... of the magnetic moments.
5.1.1. Spin–slip magnetic structures of holmium. The magnetic structure of Ho has been
investigated both by neutron and by more recently deve...
Neutron Scattering from Magnetic Materials part 4 pdf
... . 127
3.2.Analysiswithtimeinversion 130
4.Practicalworkingscheme 133
5.Application 135
5.1. First example,
k =0 135
5.2. Second example,
k =0 146
References 150
NEUTRON SCATTERING FROM MAGNETIC ... directions of the magnetic scatterings with
respect to the incident neutron beam, the magnetic periodicity (defined by wave vectors
k
in the reciprocal space) can be deduced,...
Neutron Scattering from Magnetic Materials part 7 ppsx
... iron.
At the opposite end, magnetic scattering in the paramagnetic β and γ phases of solid
oxygen [46–48] give examples of antiferromagnetic correlations. Figure 26 represents the
magnetic pattern obtained, ... One can note
the particular case of five electrons where the spin part and the orbital part almost cancel,
giving unusual shapes for the form factor. This is illustrated in Fi...
Neutron Scattering from Magnetic Materials part 9 docx
... (27)
Here the neutron scattering cross-section has been broken into two parts: (1) the part mul-
tiplied by (1 −Q
2
z
) is the longitudinal part of the cross-section, while the term multiplied
Magnetic ... vertical scattering
geometry (from Kulda [12] ).
value. For an i-TOF spectrometer a polychromatic beam hits the sample, but only a fixed
neutron velocity (energy) is accepted...
Neutron Scattering from Magnetic Materials part 10 pot
... spectrometer. The neutron coherent inelastic scattering tech-
nique was used to study the temperature dependence of the magnetic excitations in iron
from room temperature to well above the ferromagnetic ... high-
quality 400 g
60
Ni single crystal which gave scattering intensities free from incoherent
scattering and highly reduced inelastic scattering from phonons. The exper...
Neutron Scattering from Magnetic Materials part 14 pot
... . . . 413
3.3.Polarization 415
3.4.Selectinganeutronpolarizationstate 417
3.5.Changinganeutron’spolarization 417
NEUTRON SCATTERING FROM MAGNETIC MATERIALS
Edited by Tapan Chatterji
Published ... gov-
ern spin-dependent neutron reflection from magnetic materials, we can use what we have
learned thus far about reflection from nonmagnetic media and the spin-dependent neutron...
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