1. What did I learn in school today?复习
What did I learn in school today?

2. Must-know terms Crystallography
symmetry operation - translation, rotation
lattice, Bravais lattice
unit cell
crystal system
point group, space group
stereographic projection
equipoint
lattice plane, lattice direction

3. Must-know terms X-rays continuous radiation characteristic radiation
synchrotron radiation
mass attenuation coefficient
absorption edge
fluorescence

4. Must-know terms Diffraction Braggs' law reciprocal lattice
Ewald construction
Debye rings

5. Must-know terms Powder diffractometer focusing Soller slit
divergence slit
receiving slit
monochromator
detector
deadtime

6. Must-know terms Powder diffraction patterns indexing extinction rule
atomic scattering factor
structure factor
intensity
multiplicity
Lorentz polarization
temperature factor
peak breadth

7. Must-know terms Powder diffraction procedures diffractometer alignment
calibration standards
specimen displacement
preferred orientation
front fill, back fill, side drift
zero background plate
step size
dwell time

8. Must-know terms Powder diffraction applications PDF
Hanawalt search method
quantitative analysis
crystallite size
microstrain
Scherrer equation
Williamson-Hall method

9. Must-know terms SEM microstructure matrix and precipitates
backscattered electrons
composition contrast
secondary electrons
topographic contrast
depth of focus
Wehnelt cup
tunneling and field emission
interaction volume

10. Must-know terms TEM back focal plane jet thinning ion milling
camera constant
relrods
bright field
dark field
lattice imaging
diffraction contrast

11. Must-know terms Optical microscopy index of refraction
numerical aperture
depth of field
depth of focus
etching

12. Must-know terms AFM contact and non-contact modes constant height
constant force
tapping mode
force-distance plot