Neutron Scattering from Magnetic Materials part 7 ppsx
Neutron Scattering from Magnetic Materials part 7 ppsx
... between
Polarized neutrons and polarization analysis 177
where the sum runs over all the magnetic atoms.
Two types of terms enter the expression of F
M
:
• one center integrals
ϕ
∗
j
e
i
Qr
ϕ
j
d
3
r (79 )
which ... are
Polarized neutrons and polarization analysis 1 87
Fig. 16. Magnetization in Sm
3
Te
4
: the magnetic field is along [110] (perpendicular to the page).
Fig. 17. Magn...
Neutron Scattering from Magnetic Materials part 16 ppsx
... . . . 475
2.Techniqueofsmallangleneutronscattering 476
2.1.BasicconceptofSANS 476
2.2.Multiphasesystems 479
2.3.ConventionalSANS:Magneticandnuclearscattering 480
2.4.SANSwithpolarizedneutrons ... Meth. 1 57 4 87 (1 978 ).
[43] M. Buttiker, Phys. Rev. B 27 6 178 (1983).
[44] V. Nunez, C.F. Majkrzak and N.F. Berk, MRS Symp. Proc. 313 431 (1993).
[45] M. Blume and D. Gibbs, Phys. Rev. B 3...
Neutron Scattering from Magnetic Materials part 1 pps
... different aspects of neutron scattering from magnetic mate-
rials. I intentionally chose the title Neutron Scattering from Magnetic Materials rather
than Magnetic Neutron Scattering to emphasize ... mainly
consider magnetic neutron scattering. However, neutron scattering intensity from magnetic
materials is a superposition of both types of scattering. In or...
Neutron Scattering from Magnetic Materials part 2 doc
... −
Ce
3+
,Pr
4+
4f
1
1
2
3
5
2
2
F
5
2
6
7
Pr
3+
4f
2
15 4
3
H
4
4
5
Nd
3+
4f
3
3
2
6
9
2
4
I
9
2
8
11
Pm
3+
4f
4
26 4
5
I
4
3
5
Sm
3+
4f
5
5
2
5
5
2
6
H
5
2
2
7
Eu
3+
,Sm
2+
4f
6
33 0
7
F
0
0
Gd
3+
,Eu
2+
4f
7
7
2
0
7
2
8
S
7
2
2
Tb
3+
4f
8
33 ... Clarendon, Oxford (1 975 ).
[12] G.L. Squires, Introduction to the Theory of Thermal Neutron Scattering, Cambridge University Press...
Neutron Scattering from Magnetic Materials part 4 pdf
... (1992).
[74 ] M. Ain, W. Reichardt, B. Hennion, G. Pepy and B.M. Wanklyn, Physica C 170 371 (1989).
[75 ] Y. Ishikawa, T. Tajima, D. Bloch and M. Roth, Solid State Commun. 19 525 (1 976 ).
[76 ] B. ... Sect. A 24 2 17 (1968).
[7] Yu.A. Izyumov, V.E. Naish and R.P. Ozerov, Neutron Diffraction of Magnetic Materials, Consultants Bu-
reau, New York (1991).
[8] C. Wilkinson, Philos. Mag....
Neutron Scattering from Magnetic Materials part 8 pptx
... Physica B 156–1 57 6 27 (1989).
[9] P.J. Brown, J.B. Forsyth and F. Tasset, Proc. Roy. Soc. London Ser. A 442 1 47 (1993).
[10] P.J. Brown, in: Neutron Scattering from Magnetic Materials, ed. T. ... 234–236 78 5
(19 97) .
Spherical neutron polarimetry 2 17
Notation
a, b, c unit cell vectors
θ
B
Bragg angle
g a reciprocal lattice vector
γ
N
gyromagnetic ratio of the neutron
κ...
Neutron Scattering from Magnetic Materials part 9 docx
... waves in bilayer manganite La
2−2x
Sr
1+2x
Mn
2
O
7
315
6.Concludingremarks 3 27
Acknowledgments 328
References 328
NEUTRON SCATTERING FROM MAGNETIC MATERIALS
Edited by Tapan Chatterji
© 2006 Elsevier ... +S
−
−Q
(0)S
+
Q
(t)
. ( 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 p...
Neutron Scattering from Magnetic Materials part 10 pot
... Contours of the scattered neutron intensities from magnetic excitations in Fe for q along [100] (from
Blackman et al. [42]).
Magnetic excitations 279
bottom of Figure 17 the theoretical spin wave ... Chatterji
Fig. 27. Experimental scattered intensity contours along [100] from Fe (from Paul et al. [44]).
Fig. 28. Experimental scattered intensity contours along [111] from Fe (f...
Neutron Scattering from Magnetic Materials part 12 ppt
... the measured neutron cross-sections
around (100) and (001), respectively.
Paramagnetic and critical scattering 3 57
Fig. 16. (a) Diffuse magnetic scattering from La
1.2
Sr
1.8
Mn
2
O
7
in the reciprocal ... 1.6 [001] 0. 67 0.15
La
0. 67
Ca
0.33
MnO
3
250 170 7. 9
La
0.85
Sr
0.15
MnO
3
235 95 (2) 56 [010] 4.62 .76
La
0 .7
Sr
0.3
MnO
3
355
La
0 .7
Ba
0.3
MnO
3
350 152 (3) 32...
Neutron Scattering from Magnetic Materials part 14 pot
... 415
3.4.Selectinganeutronpolarizationstate 4 17
3.5.Changinganeutron’spolarization 4 17
NEUTRON SCATTERING FROM MAGNETIC MATERIALS
Edited by Tapan Chatterji
Published by Elsevier B.V.
3 97
406 C.F. Majkrzak ... 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-de...
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