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@ARTICLE{Raymond:872585,
author = {Raymond, S. and Biniskos, N. and Schmalzl, K. and Persson,
J. and Brückel, T.},
title = {{T}otal interference between nuclear and magnetovibrational
one-phonon scattering cross sections},
journal = {Journal of physics / Conference Series},
volume = {1316},
number = {1},
issn = {1742-6588},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {FZJ-2020-00083},
pages = {},
year = {2019},
abstract = {A full phonon intensity cancellation is reported in a
longitudinal polarized inelastic neutron scattering
experiment performed on the magnetocaloric compound
MnFe4Si3, a ferromagnet with TCurie ≈ 305 K. The TA[100]
phonon polarized along the c-axis measured from the
Brillouin zone center G=(0, 0, 2) is observed only in one
($\sigma _z^{ + + }$) of the two non-spin-flip polarization
channels and is absent in the other one ($\sigma _z^{ - -
}$) at low temperatures. This effect disappears at higher
temperatures, in the vicinity of TCurie , where the phonon
is measured in both channels with nonetheless marked
different intensities. The effect is understood as
originating from nuclear-magnetic interference between the
nuclear one-phonon and the magnetovibrational one-phonon
scattering cross-sections. The total cancellation reported
is accidental, i.e. does not correspond to a systematic
effect, as established by measurements in different
Brillouin zones.},
cin = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-ILL},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
$I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-ILL-20110128},
pnm = {144 - Controlling Collective States (POF3-144) / 524 -
Controlling Collective States (POF3-524) / 6212 - Quantum
Condensed Matter: Magnetism, Superconductivity (POF3-621) /
6213 - Materials and Processes for Energy and Transport
Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-Juel1)ILL-IN12-20150421},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000562316600018},
doi = {10.1088/1742-6596/1316/1/012018},
url = {https://juser.fz-juelich.de/record/872585},
}