Structure of H-exchanged hexagonal birnessite and its mechanism of formation from Na-rich monoclinic buserite at low pH

By B. Lanson, V. Drits, E. Silvester, A. Manceau. 2000

218 citations recorded by the source corpus.

Subfields: Biomaterials, Geochemistry and Petrology, Paleontology

View Paper: https://www.semanticscholar.org/paper/fe2c452efdd83b788d574a73ee9c8976a9113b3e

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In Biomaterials

1. A. Manceau
2. B. Lanson
3. M. Villalobos
4. A. Plançon
5. V. Drits
6. N. Geoffroy
7. A. Gaillot
8. E. Silvester

In Geochemistry and Petrology

1. A. Manceau
2. B. Lanson
3. N. Geoffroy
4. M. Marcus
5. F. Panfili
6. S. Fakra
7. V. Drits
8. M. Villalobos

In Paleontology

1. A. Manceau
2. B. Lanson
3. N. Geoffroy
4. M. Marcus

Citations in the corpus

• Determination of Mn valence states in mixed-valent manganates by XANES spectroscopy (2012, background): “231Mn3+0.077(Mn4+0.8850.115)O2·0.6H2O 3.92 3.87 Gaillot et al. (2003) HBi5 Mn3+0.11Mn2+0.055H+0.33(Mn4+0.722Mn3+0.110.167)O2·0.5H2O 3.66 Silvester et al. (1997); Lanson et al. (2000) KR21-2 Mg0.”
• Structure of heavy-metal sorbed birnessite: Part 1. Results from X-ray diffraction (2002, methodology): “In this case, one H2O molecule is dissociated to permit this local charge compensation (Lanson et al. 2000).”
• Characterization of the manganese oxide produced by Pseudomonas putida strain MnB1 (2003, background): “Finally, triclinic birnessite, an unstable product that, as pH drops, converts to a hexagonal structure with the formation of vacant sites and partial disproportionation of its original Mn(III) (Drits et al., 1997; Silvester et al., 1997; Lanson et al., 2000), may prove similarly unstable when equil”
• Structural model for the biogenic Mn oxide produced by Pseudomonas putida (2006, methodology): “…> b√3) as in triclinic Na-bearing birnessite (Lanson et al. 2002), hereafter referred to as NaBi, and hexagonal (a = b√3) as in H-bearing birnessite (Lanson et al. 2000), hereafter referred to as HBi, depending on the predominant origin of the layer charge (Mn3+ for Mn4+ substitution, or vacant…”
• Formation of Zn-Ca phyllomanganate nanoparticles in grass roots (2008, methodology): “850 Å) which contains 11% layer Mn per octahedral site (Lanson et al., 2000).”
• Structure of synthetic Na-birnessite: Evidence for a triclinic one-layer unit cell (2002, background): “Furthermore, birnessite possesses unique surface-charge (Healy et al. 1966; Murray 1974), cation-exchange (Balistrieri and Murray 1982; Le Goff et al. 1996), and redox (Stone et al. 1994) properties, which makes it highly reactive with respect to sorption phenomena (Paterson et al. 1994; Tu et al.…”