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X-ray photoelectron spectroscopy applied to gold-decorated mineral standards of biological interest
Abstract
Reproducible high resolution spectra of nonconducting minerals of interest in biological calcification have been obtained by x-ray photoelectron spectroscopy, utilizing a technique we call biased referencing, a combination of gold decoration and electron charge neutralization of the samples. Minerals examined were hydroxyapatite [Ca10(PO4)6(OH)2], fluorapatite [Ca10(PO4)6F2], calcium carbonate (CaCO3), octacalcium phosphate [Ca8H2(PO4)6 ⋅ 5H2O], monetite (CaHPO4), brushite (CaHPO4 ⋅ 2H2O), calcium pyrophosphate (Ca2P2O7), and an amorphous calcium phosphate synthesized at neutral pH (Ca/P=1.47). Samples were pressed into thin wafers onto which a small gold dot was affixed by vacuum deposition. Biased referencing provided calibration of sample core level ionizations (O 1s, Ca 2p, P 2p, F 1s, and C 1s) to the Fermi level of Au 4f7/2 set at a conductive value of 84.0 eV. Measured binding energies represent initial data for these gold-decorated insulators and may be used to compare data similarly generated from mineralized biological tissues.
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Cited by
Surface Characterization of Hydroxyapatite and Related Calcium Phosphates by XPS and TOF-SIMS
Lu, H. B., Campbell, C. T., Graham, D. J., & Ratner, B. D. (2000) · Analytical Chemistry · doi:10.1021/ac990812h · Cited by 356
Bornapour, M., Muja, N., Shum-Tim, D., Cerruti, M., & Pekguleryuz, M. (2013) · Acta Biomaterialia · doi:10.1016/j.actbio.2012.07.045 · Cited by 287
Boonaert, C. J. P., & Rouxhet, P. G. (2000) · Applied and Environmental Microbiology · doi:10.1128/aem.66.6.2548-2554.2000 · Cited by 243
Siriwardane, R. V., Poston, J. A., Robinson, C., & Simonyi, T. (2011) · Energy & Fuels · doi:10.1021/ef101486m · Cited by 50
Pacella, A., Fantauzzi, M., Turci, F., Cremisini, C., Montereali, M. R., Nardi, E., Atzei, D., Rossi, A., & Andreozzi, G. B. (2014) · Geochimica et Cosmochimica Acta · doi:10.1016/j.gca.2013.11.035 · Cited by 26
Metadata
- Authors
- Landis, W. J., & Martin, J. R.
- Venue
- Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films
- Publisher
- American Vacuum Society
- Published
- 1984-04-01
- Volume
- 2
- Issue
- 2
- Pages
- 1108-1111
- ISSN
- 0734-2101 (ISSN-L)
- 1520-8559
- OpenAlex
- W1994143106
- Cited by
- 197
- References
- 0
- FWCI
- 0.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: X-ray photoelectron spectroscopy applied to gold-decorated mineral standards of biological interest. https://app.cochat.ai/papers/10.1116/1.572680
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- Landis, W. J., & Martin, J. R. (1984). X-ray photoelectron spectroscopy applied to gold-decorated mineral standards of biological interest. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. https://doi.org/10.1116/1.572680
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
