Olivine annealed up to 1500 C: changes traced by polarised IR reflectance and magnetization
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| Main Authors: | , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866918435539124224 |
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| author | Smith, Daniel Narbutis, Donatas Huang, Hsin-Hui Zanon, Philipp Boschen, Michael Vongsvivut, Jitraporn Appadoo, Dominique Ng, Soon Hock Mu, Haoran Katkus, Tomas Le, Nguyen Hoai An Kapsaskis, Dan Herries, Andy I. R. Anand, Vijayakumar Ryu, Meguya Morikawa, Junko Juodkazis, Saulius |
| author_facet | Smith, Daniel Narbutis, Donatas Huang, Hsin-Hui Zanon, Philipp Boschen, Michael Vongsvivut, Jitraporn Appadoo, Dominique Ng, Soon Hock Mu, Haoran Katkus, Tomas Le, Nguyen Hoai An Kapsaskis, Dan Herries, Andy I. R. Anand, Vijayakumar Ryu, Meguya Morikawa, Junko Juodkazis, Saulius |
| contents | Spectral analysis at the infrared (IR) spectral range is introduced with assignment of synthetic red-green-blue (RGB) colours defined by adjustable wavelength and bandwidth. The RGB bands were selected at the phase-specific absorbance A or reflectance R bands of olivine and related materials, which can be formed via high temperature annealing (HTA) of natural minerals up to 1500 C. Natural olivines were collected from quarry at volcanic site in Mortlake, Victoria, Australia and spectrally characterised during IR-THz spectroscopy beamtime experiments at Australian Synchrotron. Phase changes in HTA natural olivines were traced by correlation of optical IR 4-polarisation spectroscopy, X-ray energy dispersive spectroscopy and magnetisation. After HTA, olivine samples were magnetized via precipitation of Fe-rich oxides. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_07356 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Olivine annealed up to 1500 C: changes traced by polarised IR reflectance and magnetization Smith, Daniel Narbutis, Donatas Huang, Hsin-Hui Zanon, Philipp Boschen, Michael Vongsvivut, Jitraporn Appadoo, Dominique Ng, Soon Hock Mu, Haoran Katkus, Tomas Le, Nguyen Hoai An Kapsaskis, Dan Herries, Andy I. R. Anand, Vijayakumar Ryu, Meguya Morikawa, Junko Juodkazis, Saulius Geophysics Materials Science Spectral analysis at the infrared (IR) spectral range is introduced with assignment of synthetic red-green-blue (RGB) colours defined by adjustable wavelength and bandwidth. The RGB bands were selected at the phase-specific absorbance A or reflectance R bands of olivine and related materials, which can be formed via high temperature annealing (HTA) of natural minerals up to 1500 C. Natural olivines were collected from quarry at volcanic site in Mortlake, Victoria, Australia and spectrally characterised during IR-THz spectroscopy beamtime experiments at Australian Synchrotron. Phase changes in HTA natural olivines were traced by correlation of optical IR 4-polarisation spectroscopy, X-ray energy dispersive spectroscopy and magnetisation. After HTA, olivine samples were magnetized via precipitation of Fe-rich oxides. |
| title | Olivine annealed up to 1500 C: changes traced by polarised IR reflectance and magnetization |
| topic | Geophysics Materials Science |
| url | https://arxiv.org/abs/2604.07356 |