ion E(keV) v(au) T(K) angle Yield [dE/dx]e [dE/dx]n ref
e
1
8.56 3-14
3.7
(1)
1.25 9.57
3.2
1.5 10.48
2.8
1.75 11.32
2.5
2 12.10
2.1
2.25 12.84
1.8
2.5 13.53
1.75
2.75 14.19
1.6
3 14.82
1.5
H+ 5
0.45 15-20
13.0 2.01
0.105 (2)
6
0.49
14.6 2.18
0.094
8
0.57
19.6 2.48
0.079
10
0.63
22 2.74
0.069
H2+ 3
0.25
28 2.34
0.370
4
0.28
21 2.66
0.330
5
0.32
32.5 2.94
0.299
H3+ 1.5
0.14
15.0 2.14
0.736
2
0.16
18.8 2.44
0.699
3
0.20
22.7 2.92
0.633
3.5 0.22
15-20
30.0 3.17
0.599
H+ 3500
11.8 10
0.96 1.152
0.0006 (3)
3000 10.98
1.1 1.292
0.0007
2500 10.03
1.24 1.480
0.0008
2000
8.97
1.15 1.763
0.0010
1500
7.77
1.7 2.123
0.0013
1000
6.34
2.7 2.778
0.0019
850
5.67
4.7 3.197
0.0023
500
4.48
4.8 4.214
0.0034
350
3.75
5.5 5.083
0.0046
300
3.47
7.3 5.458
0.0052
ion E(keV) v(au) T(K) angle Yield [dE/dx]e [dE/dx]n ref
He+(He^q+)*
750
2.75 10
27(32) 20.55
0.0330 (3) (4)*
635
2.53
41(49) 20.26
0.0378
500
2.24
60(72) 19.27
0.0460
375
1.94
75(90) 17.41
0.0588
250
1.59
140(170) 14.57
0.0808
H+ 1500
7.77
8
1.3 2.123
.0013 ?
800
5.67
3.4 3.197
.0023
He+ 2500
5.01
34 14.63
.0188 (5)
2000
4.48
54 16.33
.0143
1500
7.77
109 18.36
.0183
(116)
(114)
(109)
(133)
(123)
(119)
(118)
1200
3.47
8
154 19.61
.0221
1000
3.17
192 20.29
.0258
800
2.84
238 20.60
.0311
700
2.65
249 20.49
.0348
600
2.46
272 20.08
.0396
500
2.24
307 19.27
.0460
400
2.00
226 17.92
.0552
30
0.55
74 4.33
.387
1500
3.88
8
115 18.36
.0183
16
110
23
119
25
220
(1) Ellegaard, O. et al., Surface Science
167 (1986) 474-492.
(2) Ellegaard, O. et al., Surface Science
302 (1994) 371-384.
(3) Gibbs, K.M. et al. Phys. Rev. B38 (1988)
11001-11007.
(4) Johnson, R.E. et al. Phys. Rev. B44
(1991) 7263-7272.
(5) Rook, F.L. et al., Surface Science 164
(1985) 625-639.
Last Updata: January 9, 2001