| Reference Type | Journal (article/letter/editorial) |
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| Title | Floppy modes and the Boson peak in crystalline and amorphous silicates: an inelastic neutron scattering study |
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| Journal | Mineralogical Magazine |
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| Authors | Harris, M. J. | Author |
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| Dove, M. T. | Author |
| Parker, J. M. | Author |
| Year | 2000 (June) | Volume | 64 |
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| Issue | 3 |
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| Publisher | Mineralogical Society |
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| DOI | doi:10.1180/002646100549490Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 243182 | Long-form Identifier | mindat:1:5:243182:0 |
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| GUID | 0 |
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| Full Reference | Harris, M. J., Dove, M. T., Parker, J. M. (2000) Floppy modes and the Boson peak in crystalline and amorphous silicates: an inelastic neutron scattering study. Mineralogical Magazine, 64 (3) 435-440 doi:10.1180/002646100549490 |
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| Plain Text | Harris, M. J., Dove, M. T., Parker, J. M. (2000) Floppy modes and the Boson peak in crystalline and amorphous silicates: an inelastic neutron scattering study. Mineralogical Magazine, 64 (3) 435-440 doi:10.1180/002646100549490 |
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| Abstract/Notes | AbstractWe present the results of an inelastic neutron scattering study of a crystalline polymorph of SiO2 (α-quartz), and a number of silicate glasses (pure silica, SiO2, and three glasses in the alkali series (K,Li)2Si2O5). We demonstrate the presence of the Boson peak in the inelastic spectra of the crystalline and amorphous materials and argue that it arises simply from the dispersion characteristics of transverse acoustic modes. Furthermore, we investigate the role of the lower-energy floppy modes in the inelastic spectra, and show that they are controlled by chemical effects. |
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