Table 1
Interplanar Angles, Critical Voltages, Wave-lengths, and Distances for KI Crystals.
No.
θ
Spectrometer Reading.
ϕ Exptl.
ϕ Cubic
Planes
V
λ
d × 108 cm
1 5.51° 40.94° 100 18 600 .664 3.535 130.94° 90° 90° 010 −4.02° 44.96° 45° 110 26 310 .470 2.495 14.42° 26.52° 26.57° 120 22.57° 18.37° 18.43° 130
2 5.05° 41.80° 100 19 420 .622 3.532 −3.15° 44.95° 45° 110 27 460 .4396 2.497 15.28° 26.52° 26.57° 120 23.40° 18.40° 18.43° 130
3 12° 30′ 140° 12.5′ 100 8 125 1.52 3.532 126° 10′ 14° 2.5′ 14° 24′ 140 121° 45′ 18° 27.5′ 18° 25.8′ 130
4 15° 137° 50′ 100 130° 45′ 7° 5′ 7° 7.5′ 180 129° 40′ 8° 10′ 8° 8′ 170 128° 10′ 9° 40′ 9° 29′ 160 ? 123° 45′ 14° 5′ 14° 2.4′ 140 119° 25′ 18° 25′ 18° 25.8′ 130
5 17° 30′ 135° 20′ 100 128° 13′ 7° 7′ 7° 7.5′ 180 127° 12′ 8° 8′ 8° 8′ 170 125° 50′ 9° 30′ 9° 29′ 160 124° 4′ 11° 16′ 11° 18′ 150 121° 17′ 14° 3′ 14° 2.4′ 140 117° 55′ 18° 25′ 18°25.8′ 130
Table 2
Analysis of the 100 Planes of KI.
No.
Spectrometer Reading. (1)
θ
Critical Voltage (V )
λ from V
Characteristic of
d
1 36. 9° (C.T.) 0° 39.94° 3.04° 33 000 .374 I abs (1) 3.532 40.05° 3.15° 31 840 .388 Iβ (1) 3.532 40.45° 3.55° 28 400 .435 I α (1) 3.532 42.41° 5.51° 18 600 .6642 3.534
2 8.69° 0° 11.73° 3.04° I abs (1) 3.532 11.84° 3.15° Iβ (1) 3.532 12.24 3.55° I α (1) 3:532
3 174° 35′ (I.C.) 0° (Cf. Fig. 1 ) 168° 30′ Right 3° 2.5′ 33 000 .374 I abs (1) 3.532 168° 15′ 3° 10′ 31840 .388 Iβ (1) 3.532 167° 25′ 3° 35′ 28 400 .435 I α (1) 3.532 162° 25′ 6° 5′ 33 000 .374 I abs (2) 3.532 162° 0′ 6° 18′ 31 500 .390 Iβ (2) 3.54 160° 20′ 7° 7.5′ 28 250 .437 I α (2) 3.525 156°21′ 9° 7′ I abs (3) 3.538 155° 30′ 9° 32′ Iβ (3) 3.532 153° 5′ 10° 45′ I α (3) 3.532 180° 40′ Left 3° 2.5′ 33 000 .374 I abs (1) 3.532 180° 55′ 3° 10′ 31 850 .388 Iβ (1) 3.532 181° 40′ 3° 32.5′ 28 250 .437 I α (1) 3.532
4 174° 15′ (I.C.) 0° 168°10′ Right 3° 2.5′ I abs (1) 3.532 167° 57′ 3° 9′ Iβ (1) 3.532 167° 15′ 3° 30′ I α (1) 3.534 162° 0′ 6° 7.5′ I abs (2) 3.532 161° 37′ 6° 19′ Iβ (2) 3.535 160° 15′ 7° 0′ I α (2) 3.534 180° 17′ Left 3° 1′ I abs (1) 3.535 180° 32′ 3° 8.5′ Iβ (1) 3.533 181° 20′ 3° 32.5′ I α (1) 3.532
5 174° 8′ (I.C.) 0° 168° 2′ Right 3° 3′ I abs (1) 3.532 167° 48′ 3° 10′ Iβ (1) 3.532 167° 0′ 3° 34′ I α (1) 3.531 180° 13′ Left 3° 2.5′ I abs (1) 3.532 180° 27.5′ 3° 9.7′ Iβ (1) 3.532 181° 8′ 3° 30′ I α (1) 3.534
(1) Two spectrometers have been used in different experiments. C.T. and I,C. refer to crystal table and ionization chamber, respectively.
Table 3
The Analysis of the Spectrum of the 110 Planes of KI. (High Voltage Applied to X-ray Tube.)
Crystal Table Angle
θ
λ (calc’d.)
λ (true)
Element and K series line
13° 37′ 0° 15° 45′ 2° 8′ .185 .1842 Wβ 16 2′ 2° 25′ .210 .211 W α 17° 54′ 4° 17′ .374 .3737 I abs 18° 3′ 4° 26′ .387 .388 Iβ 18° 25′ 4° 48′ .420 2 × .211 W α (2nd)18° 40′ 5° 3′ .439 .437 I α
Table 4
Experimental Data for X-Peaks.
α
Angle 100
Angle 130
Angle 130
Angle 100 to 130
Angle X1
Angle X2
Av. Angle 100 to X
Critical Voltage
2° 1° 20° 38′ −18° 37′ 19° 38′ 31 600 31 800 3° 1° 30′ 20° 53′ −17° 53′ 19° 23′ 4° 2° 21° 8′ −17° 7′ 19° 8′ 5° 2° 30′ 21°23′ −16° 23′ 18° 53′ 6° 25′ 3° 12.5′ 18° 25.8′ 21°38.5′ −15° 14′ 18° 26′ 31 500 7° 3° 30′ 21° 42′ 18° 12′ ? 21° 53′ −14° 53.5′ 18° 23′ 31 000 9° 4° 30′ 22° 48′ 18° 18′ ? 22° 23′ −13° 23′ 17° 53′ 10° 5° 23° 26′ −13° 26′ 18° 26′ 22° 38′ −12° 38′ 17°38′ 30 800 31 650 31 500 31 800 11° 5° 30′ 23° 54′ −12° 54′ 18° 24′ 22° 53′ −11° 54′ 17° 23′ 30 800 13° 6° 30′ 24° 54′ −11° 54′ 18° 24′ 23° 23′ −10° 23′ 16° 53′ 15° 7° 30′ 25° 55′ −10° 55′ 18° 25′ 23° 53′ −8° 54′ 16° 23′ 16° 8° 26° 25′ −10° 25′ 18° 25′ 24° 8′ −8° 7′ 16° 8′ 30 800 17° 8° 30′ 26° 55′ −9° 55′ 18° 25′ 24° 22′ −7° 23′ 15° 53′ 19° 9° 30′ 27° 55′ −8° 54′ 18° 24.5′ 24° 53′ −5° 53′ 15° 23′ 20° 10° 28° 26′ −8° 24′ 18° 25′ 25° 8′ −5° 8′ 15° 8′ 31 800 (2) 21° 10° 30′ 25° 0′ −4° 0′ 14° 30′ 23° 40′ 11° 50′ 23° 40′ 0° 11° 50′ 25° 12° 30′ 20° 55′ −5° 55′ 18° 25′ 22° 54′ +2° 8′ 10° 22′ 31 000 30° 15° 33° 25′ −3° 25′ 18° 25′ 19° 0′ +11° 0′ 4° 0′ 35° 17° 30′ 35° 55′ −0° 55′ 18° 25′ …… …… ……
Table 5
Inter planar Angles of CsI.
Angle Reading
Angle with 100 Planes
Planes
Angle with 100 Planes (calc’d.)
−1.76° 100 43.24° 45° 110 45° 31.93° 33.69° 230 33.684° 24.81° 26.57° 120 26.56° 16.70° 18.46° 130 18.43°
Table 6
Interplanar Angles of CsI3 (Referred to 100 Peak)
Angle Reading
Angle with 100 Planes
Planes
Angle Calculated
46.48° 0° 100 136.48° 90° 010 12.17° 34.32° 110 27.62° 18.86° 120 18.83° 33.64° 12.84° 130 12.82° 4.00° 42.48° 430 42.42°
Table 7
Analysis of the Spectrum of the 100 Planes of CsI3
No.
θ
Critical Voltage
λ (from Crit. V .)
Radiation
d × 108 cm
1 2° 10′ 35 900 .344 Csabs (1) 4.50 2 2° 14′ 35 000 .354 Csβ (1) 3 2° 46′ 30 900 .400 Csα (1) 4 4° 20′ 35 900 .344 Csabs (2) 5 4° 26′ (Calcd. 4° 28′ ) .352 Csβ (2) 6 5° 30′ (Calcd. 5° 32′ ) .400 Csα (2) 7 6° 29′ (Calcd. 6° 30′ ) .344 Csabs (3) 8 6° 40′ (Calcd. 6° 42′ ) .352 Csβ (3) 9 8° 18′ (Calcd. 8° 18′ ) .400 Csα (3) 10 8° 38′ (Calcd. 8° 40′ ) .344 Csabs (4) 11 9° 58′ 31 800 .390 Iβ 1.12 12 11° 23′ 28 300 .436 Iα
Table 8
Analysis of the Spectrum of the 101 Planes of CsI3
No.
θ
Critical Voltage
λ (from Crit. V .)
Radiation
d × 108 cm
1 1° 32′ 35 938 .342 Cs abs (1) 6.43 2 1°34′ 35 100 .352 Csβ (1) 3 1°47′ 30 864 .400 Csα (1) 4 3° 4′ 35 900 .345 Csabs (2) 5 3° 8′ 35 200 .350 Csβ (2) 6 3° 34′ 30 864 .400 Csα (2) 7 4° 36′ 35 940 .342 Cs abs (3) 8 4° 42′ (Calcd. 4° 42′ ) .352 Csβ (3) 9 5° 20′ 30 860 .400 Csα (3) 10 6° 10′ 35 950 .342 Csabs (4) 11 6° 55′ 31 820 .389 Iβ 1.609 12 7° 45′ 28 270 .437 Iα
Table 9
Analysis of the Spectrum of the 001 Planes of CsI3
No.
θ
Critical Voltage
λ (from Crit. V .)
Radiation
d × 108 cm
1 1° 24′ 35 900 .344 Csabs (1) 2 1° 26′ 35 000 .354 Csβ (1) 3 1° 38′ 30 860 .400 Csα (1) 7.02 4 2° 48′ (Calcd. 2° 48′ ) .344 Csabs (2) 5 2° 53′ (Calcd. 2° 52′ ) .352 Csβ (2) 6 3° 15′ (Calcd. 3° 16′ ) .400 Csα (2) 7 4° 10′ (Calcd. 4° 12′ ) .344 Csabs (3) 8 4° 19′ (Calcd. 4° 18′ ) .352 Csβ (3) 9 4° 51′ (Calcd. 4° 54′ ) .400 Csα (3) 10 5° 33′ (Calcd. 5° 36′ ) .344 Csabs (4) 11 5° 46′ (Calcd. 5° 44′ ) .352 Csβ (4) 12 6° 21′ 31 840 .388 Iβ 1.76 13 7° 3′ 28 300 .436 Iα
Table 10
Analysis of the Spectrum of the 100 Planes of CsIBr2 . (Cf. Fig. 9)
No.
Angle Reading
θ
Angle Reading Calc’d
Critical Voltage
λ
Radiation
d
24.15° 0° 1 26.50° 2.35° 35 900 .345 Cs abs (1) 4.26 2 26.65° 2.50° 35 000 .354 Csβ (1) 3 26.76° 2.61° 32 000 .387 Iβ (1) 4.26 4 26.90° 2.75° 31 166 .397 Csα (1) 5 27.08° 2.93° 27.08° .437 Iα (1) 6 29.00° 4.85° 29.00° .344 Csabs (2) 4.26 7 29.10° 4.95° 29.15° .352 Csβ (2) 8 29.36° 5.21° 29.35° .388 Iβ (2) 9 29.67° 5.52° 29.65° .400 Csα (2) 10 30.04° 5.89° 30.01° .437 Iα (2) 11 30.62° 6.41° .929 Brβ 4.26/2 12 31.65° 7.50° 31.65° .352 Csβ (3) 13 31.85° 7.70° 31.90° .388 Iβ (3) 14 32.35° 8.20° 32.40° .400 Csα (3) 15 32.85° 8.70° 32.88° .437 Iα (3)