ELECTRONIC AND STRUCTURAL PARAMETERS OF PHOSPHORUS–OXYGEN BONDS IN INORGANIC PHOSPHATE CRYSTALS

V. V. Atuchin (), V. G. Kesler and N. V. Pervukhina
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V. V. Atuchin: Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090, Russia
V. G. Kesler: Laboratory of Physical Bases of Integrated Microelectronics, Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090, Russia
N. V. Pervukhina: Laboratory of Crystal Chemistry, Institute of Inorganic Chemistry, SB RAS, Novosibirsk 630090, Russia

Surface Review and Letters (SRL), 2008, vol. 15, issue 04, 391-399

Abstract: Wide set of experimental results on binding energy of photoelectrons emitted fromP2p,P2s, andO1score levels has been observed for inorganic phosphate crystals and the parameters were compared using energy differencesΔ(O1s-P2p)andΔ (O1s-P2s)as most robust characteristics. Linear dependence of the binding energy difference on mean chemical bond lengthL(P–O) between phosphorus and oxygen atoms has been found. The functions are of the forms:Δ (O1s-P2p) (eV) = 375.54 + 0.146 · L(P–O) (pm)andΔ (O1s-P2s) (eV) = 320.77 + 0.129 · L(P–O) (pm). The dependencies are general for inorganic phosphates and may be used in quantitative component analysis of X-ray photoemission spectra of complex oxide compounds including functional groups with different coordination ofPandOatoms.

Keywords: Phosphate; XPS; crystal structure; chemical bonding (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1142/S0218625X08011512

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