Bishwa Chandra Adhikari

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Questions related from Bishwa Chandra Adhikari

Does the trimer/single atom tip (TSAT) of polycrystalline tungsten exist at the top layer (First layer ) of (111) type plane?

Many researchers have explained about the single-crystalline tungsten, the trimer/single atom tip (TSAT) on the first layer exists at (111)-type plane. The polycrystalline tungsten is BCC...

22 January 2020 900 0 View

Does the poly crystalline tungsten nano tip's atom migrate from one layer to another layer under high voltage in Field ion microscope (FIM)?

In Field ion microscopy (FIM), polycrystalline tungsten nanotip is (110) oriented tip. under the gas etching process, the nanotip becomes more sharp by reducing the atomic layer. During the...

15 January 2020 8,182 1 View

Can we use suppressor electrode in helium ion source?

In Helium ion microscope, we use tungsten tip,electrode as a extractor form but suppressor electrode has not been use so can we use suppressor electrode to make the fine beam of helium ion?

18 May 2017 10,002 1 View