Cambridge University

Lin Sun probing atoms


PT Group, Lin Sun, Atom Probe APT-12_The 2nd stage is done under a stereo microscope
APT-12_The 2nd stage is done under a stereo microscope
PT Group, Lin Sun, Atom Probe APT-15_Looks just like the Arup Building, the Department of Engineering Science Building of Oxford.
APT-15_Looks just like the Arup Building, the Department of Engineering Science Building of Oxford.
PT Group, Lin Sun, Atom Probe APT-10_The sample preparation is manual and requires time
APT-10_The sample preparation is manual and requires time
PT Group, Lin Sun, Atom Probe APT-01_The Local Electrod Atom Probe (LEAP) 3000X
APT-01_The Local Electrod Atom Probe (LEAP) 3000X
PT Group, Lin Sun, Atom Probe APT-02_A closer look
APT-02_A closer look
PT Group, Lin Sun, Atom Probe APT-03_The three vacuum chambers, analysis is done under Utral High Vacuum (3x10^-11 mBar) and very low temperature (30 kelvin)
APT-03_The three vacuum chambers, analysis is done under Utral High Vacuum (3x10^-11 mBar) and very low temperature (30 kelvin)
PT Group, Lin Sun, Atom Probe APT-04_Things are more interesting when looked from behind
APT-04_Things are more interesting when looked from behind
PT Group, Lin Sun, Atom Probe APT-05_Looking down the Load Lock door where samples and local electrode can be loaded into the high vacuum system
APT-05_Looking down the Load Lock door where samples and local electrode can be loaded into the high vacuum system
PT Group, Lin Sun, Atom Probe APT-08_The Buffer
APT-08_The Buffer
PT Group, Lin Sun, Atom Probe APT-07_The Buffer, where samples and local electrode are stored under very high vacuum (10^-9 mBar) before analysis
APT-07_The Buffer, where samples and local electrode are stored under very high vacuum (10^-9 mBar) before analysis
PT Group, Lin Sun, Atom Probe APT-06_Side look of the Load Lock, beneath is a gate valve (the rectangular thing) leading to the Buffer
APT-06_Side look of the Load Lock, beneath is a gate valve (the rectangular thing) leading to the Buffer
PT Group, Lin Sun, Atom Probe APT-11_Setup for the second stage electropolishing of samples to make a very thin needle
APT-11_Setup for the second stage electropolishing of samples to make a very thin needle
PT Group, Lin Sun, Atom Probe APT-09_Setup of the first stage sample preparation for atom probe
APT-09_Setup of the first stage sample preparation for atom probe
PT Group, Lin Sun, Atom Probe APT-13_Finally we are seeing ionised atoms from a steel sample hitting detectors
APT-13_Finally we are seeing ionised atoms from a steel sample hitting detectors
PT Group, Lin Sun, Atom Probe APT-14_The colours represent atoms of differnt elements, notice the green Nickle (Ni) atoms clusters
APT-14_The colours represent atoms of differnt elements, notice the green Nickle (Ni) atoms clusters
Hydrogen TWIP Nuclear growth Maraging steel Bearings Bainitic powder
Duplex steel Tetragonal ferrite Theory for hydrogen Noncubic ferrite Misorientation
Hydrogen TRIP Broken bainite Bearing steel HCP martensite Multiple martensite







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