ion E(keV) v(au) T(K) angle Yield [dE/dx]e [dE/dx]n ref
e
1
8.56 3-14
1.8
(2)
1.25 9.57
1.5
1.5 10.48
1.25
1.75 11.32
1.2
2 12.10
1.1
2.25 12.84
0.9
2.5 13.53
0.8
2.75 14.19
0.7
3 14.82
0.6
H+ 2500
10.02
10
0.5 1.305
.0007 (1)
1500 7.77
0.7 1.894
.0011
1000 6.34
0.9 2.508
.0016
800 5.67
1.1 2.906
.0020
500 4.48
1.6 3.888
.0030
360 3.81
2.1 4.681
.0039
320 3.59
2.4 4.984
.0043
260 3.23
2.65 5.521
.0051
200 2.84
3.4 6.177
.0064
H+ 5
0.45 15-20
4.6 2.25
0.096 (3)
6
0.49
6.3 2. 44
0.086
7
0.53
6.7 2.62
0.078
8
0.57
9 2.78
0.072
9
0.60
9.2 2.93
0.067
10 0.63
10.8 3.07
0.062
H2+ 3
0.25
5 2.61
0.347
4
0.28
8.8 2.98
0.307
H3+ 1.5
0.14
6 2.39
0.713
3
0.20 15-20
8 3.27
0.601
He+ 1000
3.17 10
4.1 19.40
0.0226 (1)
750 2.75
5.3 20.26
0.0289
670 2.6
7.0 20.39
0.0317
500 2.24
9.8,9.5 20.03
0.0404
375 1.94
13.5,14.0 18.64
0.0517
(He+)eq 1000 3.17
10
6.8 19.40
(1)
750 2.75
8.4 20.26
670 2.6
11.5 20.39
500 2.24
14,17.0 20.03
375 1.94
22 18.64
3He+ 5
0.22
45 22.5
1.31
0.964
(4)
6 0.25
20 1.51
0.887
7 0.27
23 1.7
0.823
8 0.28
22 1.88
0.769
9 0.30
23.5 2.06
0.723
10 0.32
23 2.23
0.683
4He+ 4
0.20
45 20
1.09
1.059
6 0.25
18.5 1.51
0.887
8 0.28
20 1.88
0.769
10 0.32
23.5 2.23
0.683
He+ 2500
5.01
8.4 13.40
0.0103 (5)
2000 4.48
9.5 15.06
0.0125
1500 3.88
17 17.11
0.0160
(20)
(22)
(36)
(16)
(15)
1200 3.47
23 18.49
0.0194
1000 3.17
32 19.40
0.0226
800 2.84
49 20.15
0.0273
700 2.65
56 20.37
0.0305
600 2.46
72 20.38
0.0347
500 2.24
89 20.03
0.0404
400 2.00
82 19.09
0.0485
30 0.55
21 4.85
0.346
1500 3.88
8
20 17.11
0.0160
20
27
23
31
25
44
He+ 375 1.94 10 14.5 18.64 0.0517 (5)
(He+)eq 375
1.94 10
24.5 18.86
0.0517
(1) Brown, W.L. et al., Nucl. Instrum. &
Methods B14 (1986) 392-402.
(2) Ellegaard, O. et al.,
Surface Science
167 (1986) 474-492.
(3) Ellegaard, O. et al.,
Surface Science
302 (1994) 371-384.
(4) Ellegaard, O. et al., Nucl. Instrum. &
Methods B78 (1993) 192-197.
(5) Rook, F.L. et al., Surface Science 164 (1985)
625-639.
Updata on October 12, 2000