Elements of X-ray Diffraction |
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Page 193
... counter to be operated under essentially monochromatic conditions . For example , if a diffraction pattern is being obtained with copper radiation , the analyzer can be set to pass only pulses due to ... GEIGER COUNTERS 7-6 Geiger counters.
... counter to be operated under essentially monochromatic conditions . For example , if a diffraction pattern is being obtained with copper radiation , the analyzer can be set to pass only pulses due to ... GEIGER COUNTERS 7-6 Geiger counters.
Page 194
... Geiger counter and that of a proportional counter : ( 1 ) The absorption of an x - ray quantum anywhere within the volume of a Geiger counter triggers an avalanche that extends over the whole length of the counter . ( 2 ) The gas ...
... Geiger counter and that of a proportional counter : ( 1 ) The absorption of an x - ray quantum anywhere within the volume of a Geiger counter triggers an avalanche that extends over the whole length of the counter . ( 2 ) The gas ...
Page 197
... Geiger counter 1000 2000 3000 proportional counter counting loss multichamber Geiger counter 4000 5000 QUANTA ABSORBED PER SECOND FIG . 7-14 . The effect of counting rate on counting losses ( schematic ) . Since the resolving time of ...
... Geiger counter 1000 2000 3000 proportional counter counting loss multichamber Geiger counter 4000 5000 QUANTA ABSORBED PER SECOND FIG . 7-14 . The effect of counting rate on counting losses ( schematic ) . Since the resolving time of ...
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Common terms and phrases
a₁ absorption coefficient absorption edge alloy analysis angle atomic number austenite axis back-reflection Bragg angle Bragg law Bravais lattice calculated camera circle composition constant copper atoms cos² counter cubic curve Debye ring Debye-Scherrer decrease determined diffracted beam diffraction lines diffraction pattern diffractometer direction distance electrons elements equation error example face-centered face-centered cubic factor film fluorescent fluorescent radiation given grain hexagonal incident beam indices integrated intensity lattice parameter martensite measured metal normal obtained orientation Orthorhombic parallel percent phase photograph pinhole pole figure position powder pattern produced projection pulses rays reciprocal lattice reciprocal-lattice reflecting planes relative residual stress rhombohedral rotation sample scattering shown in Fig sin² slit solid solution spacing specimen spectrometer sphere spot stereographic substance surface temperature tetragonal thickness tion transmission twin unit cell values vector voltage wave wavelength x-ray diffraction x-ray method x-ray tube zero zone