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@ARTICLE{Bessas:202011,
author = {Bessas, D. and Sergueev, I. and Merkel, D. G. and Chumakov,
A. I. and Rüffer, R. and Jafari, A. and Kishimoto, S. and
Wolny, J. A. and Schünemann, V. and Needham, R. J. and
Sadler, P. J. and Hermann, Raphael},
title = {{N}uclear resonant scattering of synchrotron radiation by
$^{187}$ {O}s},
journal = {Physical review / B},
volume = {91},
number = {22},
issn = {1098-0121},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2015-04300},
pages = {224102},
year = {2015},
abstract = {We performed nuclear forward and inelastic scattering of
synchrotron radiation by elemental Os utilizing the nuclear
excited state of Os187 which is otherwise inaccessible using
any practical radioactive decay process. The lifetime of the
excited state, 3.06(8)ns, and the energy of the transition,
9.778(3)keV, are refined. The nuclear quadrupole moment of
the excited state, Q3/2=1.46(10)b, is determined. The
density of phonon states for elemental Os, which is herein
experimentally determined, suggests that the Os lattice is a
model for the lattice dynamics of hcp-Fe. The combination of
the low energy of the nuclear transition and the large
nuclear mass leads to a high recoil free fraction,
fLM=0.95(1), at room temperature, a large value that
strongly supports the viability of nuclear resonance
scattering as a reliable method to study electronic,
magnetic, and elastic properties of Os compounds, including
Os organometallics.},
cin = {JCNS-2 / PGI-4 / JARA-FIT},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
$I:(DE-82)080009_20140620$},
pnm = {144 - Controlling Collective States (POF3-144) / 524 -
Controlling Collective States (POF3-524) / 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)POF3-6213 / G:(DE-HGF)POF3-6G4},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000355968000002},
doi = {10.1103/PhysRevB.91.224102},
url = {https://juser.fz-juelich.de/record/202011},
}