jagomart
digital resources
picture1_Afm Item Download 2022-09-09 00-59-12


 183x       Filetype PPT       File size 1.37 MB       Source: personal.ems.psu.edu


File: Afm Item Download 2022-09-09 00-59-12
afm atomic force microscopy afm atomic force microscopy a new view of structure 1986 a new view of structure 1986 cd stamper cd stamper algan gan quantum well waveguide algan ...

icon picture PPT Filetype Power Point PPT | Posted on 09 Sep 2022 | 3 years ago
Partial capture of text on file.
          AFM - atomic force microscopy
          AFM - atomic force microscopy
     A 'new' view of structure (1986)
     A 'new' view of structure (1986)
                     CD stamper
                      CD stamper                 AlGaN/GaN quantum well waveguide
                                                  AlGaN/GaN quantum well waveguide
                                                    surface atoms on Si single crystal
                                                    surface atoms on Si single crystal
                    polymer growth              See Vocabulary of Surface Crystallography, Journal of 
                    polymer growth              Applied Physics 35, 1306 (1964), by Elizabeth A. Wood
          AFM - atomic force microscopy
          AFM - atomic force microscopy
     How does the microscope work?
     How does the microscope work?
                                               laser          photodiode
                                               laser          photodiode
                                               diode
                                               diode
                                                        mirror
                                                        mirror
     Tip scans sample
     Tip scans sample
     Up and down movement of tip recorded 
     Up and down movement of tip recorded 
     by position sensing photodiode
     by position sensing photodiode
                                                Si N
                                                Si N
                                                  3  4
                                                  3  4
                                                 tip
                                                 tip
                                                        sample
                                                        sample
                                         
          AFM - atomic force microscopy
          AFM - atomic force microscopy
     How does the microscope work?
     How does the microscope work?
                                               laser          photodiode
                                               laser          photodiode
                                               diode
                                               diode
                                                        mirror
                                                        mirror
     Tip scans sample
     Tip scans sample
     Up and down movement of tip recorded 
     Up and down movement of tip recorded 
     by position sensing photodiode
     by position sensing photodiode
                                                Si N
                                                Si N
                                                  3  4
                                                  3  4
                                                 tip
                                                 tip
                                                        sample
                                                        sample
                                         
          AFM - atomic force microscopy
          AFM - atomic force microscopy
     How does the microscope work?
     How does the microscope work?
      Two modes of operation
      Two modes of operation                   laser          photodiode
                                               laser          photodiode
                                               diode
                                               diode
                                                        mirror
                                                        mirror
                                                Si N
                                                Si N
                                                  3  4
                                                  3  4
                                                 tip
                                                 tip
                                                        sample
                                                        sample
                                         
       AFM - atomic force microscopy
       AFM - atomic force microscopy
   How does the microscope work?
    How does the microscope work?
    Contact mode - short-range interactions (Å) - interatomic forces
    Contact mode - short-range interactions (Å) - interatomic forces
                            Tip: 5-20 nm radius, 10-25 m high, on 
                            Tip: 5-20 nm radius, 10-25 m high, on 
                               50-400 m cantilever beam
                               50-400 m cantilever beam
                           
The words contained in this file might help you see if this file matches what you are looking for:

...Afm atomic force microscopy a new view of structure cd stamper algan gan quantum well waveguide surface atoms on si single crystal polymer growth see vocabulary crystallography journal applied physics by elizabeth wood how does the microscope work laser photodiode diode mirror tip scans sample up and down movement recorded position sensing n two modes operation contact mode short range interactions interatomic forces nm radius m high cantilever beam...

no reviews yet
Please Login to review.