Photoionization energy variation among three types of As-stabilized GaAs (001) 2X4 surfaces

Tsuda, Hiroshi; Mizutani, Takashi
March 1992
Applied Physics Letters;3/30/1992, Vol. 60 Issue 13, p1570
Academic Journal
Describes the variation in photoionization energy among three types of arsenic-stabilized gallium arsenide (001) surface. Use of energy scanned monochromatic light to combine photoyield change with ionization energy change; Calculation of photoemission in a molecular beam epitaxy chamber; Interpretation in terms of surface dipole variation among three phases.


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