122
6 Atomic Chains, Clusters, and Nanocrystals
Intensity (a.u.)
BE(eV)
Exp
B
S 1
S 2
Na 2p
hv=74eV
N~5000
(a)
33.3
33.6
33.9
34.2
34.5
33.3
33.6
33.9
34.2
34.5
Intensity (a.u.)
BE(eV)
Exp
B
S 1
S 2
Na 2p
hv = 74 eV
N~3000
(b)
Intensity (a.u.)
BE(eV)
Exp
B
S 2
S 1
K 3p
hv = 74 eV
(c)
N~3800
20.7
21.0
21.3
21.6
20.7
21.0
21.3
21.6
Intensity (a.u.)
BE(eV)
Exp
B
S 2
S 1
hv = 74 eV
K 3p
N ~ 1900
(d)
Fig. 6.17 BOLS-TB decomposition of the XPS profiles for a, b Na 2p and c, d K 3p atomic clusters
with the bulk B, S 2 , and S 1 . Reprinted with permission from [83, 84]. Copyright 2015 Elsevier.
Table 6.5 features the derived information
Table 6.5 The effective atomic CN(z) and the respective component energy of Na N [92] and K N
[93] clusters (m = 1)
z
E 2p
Na E 2p (0)/eV
0
31.167
E 2p (12)/eV
B
12
33.568
ΔE 2p (12)/eV
2.401
3000
S 2
5.46
33.762
S 1
3.63
33.968
5000
S 2
5.71
33.745
S 1
3.91
33.921
K E 3p (0)/eV
0
18.034
E 3p (12)/eV
B
12
20.788
E 3p (12)/eV
2.754
1900
S 2
5.32
21.020
S 1
3.58
21.257
3800
S 2
5.74
20.987
S 1
3.80
21.212
One can obtain the local bond strain ε z , bond energy, relative E coh and E den in sublayers accordingly
[84]. As shown in Fig. 6.19, Li N follows the same size trend but different slope of core level shift