Magnetic properties and electronic structure of the actinide systems UAl/sub 2/, NpAl/sub 2/, and PuAl/sub 2/ Page: 5 of 11
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consistent potential. The details of these calcula-
tions have been given elsewhere . Here we give
the results along with a brief discussion of these
results. In Table 1 the total 5f-band width, the
occupied 5f-hand width, the density of states (DOS)
at the Fermi energy (Ep), and Lhe occupation numbers
fjr Lhe 5f and 6d electrons arc given for each
system. As can he seen, Lhe 5f hand narrows from
2.0 eV in UAil^ to I.H eV in lhiA£^. Also the occupa-
tion numbers have a smooth variation; the number of
(id electrons decrease I rnm II l.o Pu while the number
0 I ^l electrons increase upon suhsl i till i ug N| and Pu
for II. However, notice that l lie occupied Til-hand
width is largest lor NpA£ . In Fig. I the density
01 slates (l)(IS) lor UAI?,, is plotted. The calculated
DOS luncliniiK lor NpAV., and PuAV,, are similar. The
details ol the dillcrenecs between the DOS liinctinns
ol these systems have been given in rel. 8. The
sharp Icatures at and above Kp are due to the spin-
orbit split M hands, Although the detailed
structure is dillereul and there is some d-l hybrid-
ization in these systems, a crude picture ot these
systems is that ol tilling I lie spin-orbit split 'il
baud in going I roin UAf., to I’liAP.,. There I ore the
dillereul inaguetii properties are evolving I i mu a
siinil.il elect ioiiii structure.
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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/m1/5/: accessed March 18, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.