Magnetic properties and electronic structure of the actinide systems UAl/sub 2/, NpAl/sub 2/, and PuAl/sub 2/ Page: 6 of 11
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Having established that the electronic struc-
ture oT all three systems is similar we now turn to
the behavior of IIAU^ ■ Because of Lhe T'finT behavior
of Lhe Low Lemperature specific heat this sysLem was
fit to a paramagnon model |5|. This analysis showed
Lliiit the occupied Si-hand had a width ol around
- 5 * 10 ' eV. This differs by an order ol magni-
tude from the band results given above. However
this analysis was incomplete in that it contained
one undelermined parameter. It was shown in rel. K
that all the paramagnon parameters could be deter-
mined from experimental data. While most o| the
parameters in the new analysis are similar to tin
old values, i.e., a sp i n-1 I net n.i l i on teinper.it lire
(T.,,.) ol around A()"K and a Stoner enhancement factor
(St ol around It), the Kerin i temperature is dilleicul
and yields an m cup i ed .M-haiid width ol ' '» •
It) eV. This means (hat the calculated electronic
structure and that interred I tom experiment .ire new
cons i si eid . The re I o re the nariow 'i I baud in WA1*.,
leads to spin-I I in Iuat ion, and now i misideiation
must lie given to why the similar eleilroiii>
st rm lure in NpAf,, and I’iiAV,, does no' lend to the
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Albers, R.C.; Boring, A.M. & Koelling, D.D. Magnetic properties and electronic structure of the actinide systems UAl/sub 2/, NpAl/sub 2/, and PuAl/sub 2/, article, January 1, 1985; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1093236/m1/6/: accessed March 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.