Abstract
X‐ray and ultraviolet photoemission spectroscopy (XPS and UPS) at 21.2 eV have been used to determine the stability against Hg evaporation of cleaved (110) surfaces of p‐Hg1−xCdxTe (x = 0.2, 0.31, 0.39) in vacuum at room temperature. No evidence of Hg loss was obtained for periods of observation from five to twenty hours. However, oxygen excited by an ionization gauge and Ne ion sputtering both produced preferential loss of Hg.
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