X-ray Diffraction (XRD) What is X-ray Diffraction Properties and generation of x-ray Braggs Law Basics of Crystallography XRD Pattern Powder Diffraction · Applications of XRD http://www.matter.org.uk/diffraction/x-ray/default.htm
X-ray Diffraction (XRD) • What is X-ray Diffraction Properties and generation of X-ray • Bragg’s Law • Basics of Crystallography • XRD Pattern • Powder Diffraction • Applications of XRD http://www.matter.org.uk/diffraction/x-ray/default.htm
http://www.youtubecom/watch?v=vyztzilj3ds at~0:40-3:10 X-ray and x-ray diffraction X-ray was first discovered by W. C. roentgen in 1895. Diffraction of X-ray was discovered by W.H. Bragg and W.L. Bragg in 1912 Bragg's law: n2=2dsine X-ray machine Photograph of the hand of an old man using X-ray WADAM
X-ray and X-ray Diffraction X-ray was first discovered by W. C. Roentgen in 1895. Diffraction of X-ray was discovered by W.H. Bragg and W.L. Bragg in 1912 Bragg’s law: n=2dsin Photograph of the hand of an old man using X-ray. http://www.youtube.com/watch?v=vYztZlLJ3ds at~0:40-3:10
Properties and Generation of X-ray X-rays are Name of enery, ey wavclength angstroms electromagnetic 10--1 x-unit XU radiation with very Gumma mys short wavelength( (Hard) 000 108-1012m) (Soft) 10—1 I:aKInete,uu The energy of the x- 0—1 mIcron,gt ray can be calculated Infrared visible light with the equation UH)+104 103—1 centimeter,cm E= hv= hc/a 000 eg. the x-ray photon:r+】算签+oi t02 1013-1, kilometer, km with wavelength 1A 04 Long wave has energy 12.5 kevI (VLF
Properties and Generation of X-ray ▪ X-rays are electromagnetic radiation with very short wavelength ( 10-8 -10-12 m) ▪ The energy of the xray can be calculated with the equation E = h = hc/ ▪ e.g. the x-ray photon with wavelength 1Å has energy 12.5 keV
http://www.youtube.com/watch?v=lwv5wcbh9a0tow1:08 A Modern automated X-ray Diffractometer X-ray Tube Detector Sample stage Cost: $560K to 1. 6M
A Modern Automated X-ray Diffractometer Cost: $560K to 1.6M X-ray Tube Sample stage Detector http://www.youtube.com/watch?v=lwV5WCBh9a0 to~1:08
http://www.youtube.com/watch?v=bcoeojwkxputow1:10ProductionofX rays Production of X-rays Cross section of sealed-off filament X-ray tube copper vacllIrt glass X-ra vs tungsten flament CA p423 electrons Filament cooling w to transformr target X-rays Vacuum beryllium window X-ruvs netul focusing eup X-rays are produced whenever high-speed electrons collide with a metal target A source of electrons- hot w filament a high accelerating voltage(30-50k) between the cathode (w and the anode, which is a water-cooled block of Cu or Mo containing desire target metal https://www.youtubecom/watch?v=3_bzca7tlfqHowdoesX-raytubework
Production of X-rays Cross section of sealed-off filament X-ray tube target X-rays W Vacuum X-rays are produced whenever high-speed electrons collide with a metal target. A source of electrons – hot W filament, a high accelerating voltage (30-50kV) between the cathode (W) and the anode, which is a water-cooled block of Cu or Mo containing desired target metal. http://www.youtube.com/watch?v=Bc0eOjWkxpU to~1:10 Production of Xrays https://www.youtube.com/watch?v=3_bZCA7tlFQ How does X-ray tube work filament + -