期刊
PHYSICAL REVIEW B
卷 65, 期 1, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.65.014106
关键词
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We propose resonant x-ray fluorescence holography as a method for selectively imaging atoms of a specific atomic number as near neighbors around a fluorescing atom of a different atomic number. Theoretical calculations for FeNi3(001) show that the images of Ni atoms neighboring a fluorescing Fe atom can be selectively reconstructed via the differential contrasts from several holograms obtained as the incident x-ray energies are varied across the Ni K absorption edge. Thus, this technique should provide a unique way for determining the chemical order and disorder around a given atom, through resonant selection of its atomic number or true color.
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