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AXAF Project Science: The XRCF-PEIS Targets and Filters
AXAF Project Science: The XRCF-PEIS Targets and Filters
Reference: Johnston, D.D., MSFC memo EL71 (27-95), "Procurement of XSS Point Electron Impact Source (PEIS) Targets and Filters" (11 April 1995).
Element Z Target Composition Comment -------------------------------------------------------------- Be 4 Be B 5 B Colloidal coating on Cu C 6 C Graphite N 7 TiN TiN coating on Cu O 8 SiO_2 low flux Na 11 deleted Mg 12 Mg Al 13 Al Si 14 SiO_2 low flux Ti 22 Ti Cr 24 Cr Fe 26 Fe Co 27 Co Ni 28 Ni Cu 29 Cu Zn 30 Zn Ga 31 deleted Ge 32 deleted Zr 40 Zr Mo 42 Mo Ag 47 Ag Sn 50 Sn W 74 W Au 79 Au Au coating
Element Z Line E (keV) Lambda (A) Filter mfp (micron) Filter 1 / 2 (micron)
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Be 4 Ka 0.1085 114.27 Be 0.903 1.8 / 3.6
B 5 Ka 0.1833 67.64 B 1.28 2.5 / 5.0
C 6 Ka 0.277 44.76 C_8H_8 1.45 2.9 / 5.8
N 7 Ka 0.3924 30.01 Ti 0.505 1.3 / 2.6
O 8 Ka 0.523 23.71 Cr 0.42 1.3 / 2.6
Mg 12 Ka 1.2536 9.89 Mg 11.8 23.6 / 47.2
Kb 1.3022 9.52 Mg 13.1
Al 13 Ka 1.4967 8.28 Al 9.37 18.74 / 37.48
Kb 1.55745 7.96 Al 10.5
Si 14 Ka 1.73998 7.13 Si 12.2 24.4 / 48.8
Kb 1.83594 6.75 Si 14.3
Ti 22 Ka 4.51084 2.75 Ti 20.3 40.6 / 81.2
Kb 4.93181 2.51 Ti 26.0
La 0.4522 27.42 Ti 0.664 1.33 / 2.66
Lb 0.4584 27.05 Ti 0.0743
Cr 24 Ka 5.41472 2.29 V 22.1 44.2 / 88.4
Kb 5.94671 2.08 V 3.32
Ka 5.41472 2.29 Cr 16.8 33.6 / 67.2
Kb 5.94671 2.08 Cr 21.6
La 0.5728 21.64 Cr 0.531 1.1 / 2.1
Fe 26 Ka 6.40384 1.94 Mn 22.6 45.0 / 90.0
Kb 7.05798 1.76 Mn 3.57
Ka 6.40384 1.94 Fe 18.7 37.4 / 74.8
Kb 7.05798 1.76 Fe 24.4
La 0.705 17.59 Fe 0.592 1.2 / 2.4
Lb 0.7185 17.26 Fe 0.13
Co 27 Ka 6.93032 1.79 Fe 23.2 46.4 / 92.8
Kb 7.64943 1.62 Fe 3.72
Ka 6.93032 1.79 Co 18.8 37.6 / 75.2
Kb 7.64943 1.62 Co 24.6
La 0.7762 15.97 Co 0.584 1.17 / 2.34
Lb 0.7914 15.68 Co 0.0758
Ni 28 Ka 7.47815 1.66 Co 23.2 46.4 / 92.8
Kb 8.26466 1.50 Co 3.8
Ka 7.47815 1.66 Ni 19.5 39.0 / 78.0
Kb 8.26466 1.50 Ni 26.0
La 0.8515 14.56 Ni 0.624 1.25 / 2.5
Lb 0.8688 14.27 Ni 0.0814
Cu 29 Ka 8.04778 1.54 Ni 24.1 48.2 / 96.4
Kb 8.90529 1.39 Ni 4.01
Ka 8.04778 1.54 Cu 22.3 44.6 / 89.2
La 0.9297 13.34 Cu 0.719 1.4 / 2.8
Lb 0.9498 13.05 Cu 0.0896
Zn 30 Ka 8.63886 1.44 Cu 27.3 50.0 / 100.0
Kb 9.572 1.30 Cu 4.6
Ka 8.63886 1.44 Zn 30.4 60.0 / 120.0
Kb 9.572 1.44 Zn 40.8
La 1.0117 12.25 Zn 0.922 1.8 / 3.6
Lb 1.0347 11.98 Zn 0.132
Zr 40 La 2.04236 6.07 Zr 1.98 4.0 / 8.0
Lb 2.1244 5.84 Zr 2.18
Mo 42 La 2.29316 5.41 Mo 1.43 3.0 / 6.0
Lb 2.39481 5.18 Mo 1.59
Ag 47 La 2.98431 4.15 Ag 1.85 3.7 / 7.4
Lb 3.15094 3.93 Ag 2.12
Sn 50 La 3.44398 3.60 Sn 3.17 6.3 / 12.6
Lb 3.6628 3.38 Sn 3.75
W 74 La 8.3976 1.48 Cu 25.2 50.0 / 100.0
Lb 9.67235 1.28 Cu 4.72
La 8.3976 1.48 Zn 28.1 60.0 / 120.0
Lb 9.67235 1.28 Zn 5.42
La 8.3976 1.48 W 3.52 7.0 / 14.0
Lb 9.67235 1.28 W 5.09
Au 79 La 9.7133 1.28 Au 4.14 8.3 / 16.6
Lb 11.4423 1.08 Au 6.35
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